Introduced XidynException usage. Fixed Factory get.

src/fr/devinsy/xidyn/pages/Page.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016,2017 Christian Pierre MOMON
+ * Copyright (C) 2016-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -24,6 +24,7 @@ import java.util.Locale;
 
 import org.w3c.dom.Document;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 import fr.devinsy.xidyn.presenters.DomPresenter;
 import fr.devinsy.xidyn.presenters.FilePresenter;
@@ -148,10 +149,10 @@ public class Page extends TagDataManager
      * Dynamize.
      * 
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -174,10 +175,10 @@ public class Page extends TagDataManager
      * Dynamize to string.
      * 
      * @return the string
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public String dynamizeToString() throws Exception
+    public String dynamizeToString() throws XidynException
     {
         String result;
 
@@ -203,10 +204,10 @@ public class Page extends TagDataManager
      *            the id
      * @param source
      *            the source
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public void include(final String id, final Page source) throws Exception
+    public void include(final String id, final Page source) throws XidynException
     {
         if ((id != null) && (source != null))
         {
@@ -251,10 +252,10 @@ public class Page extends TagDataManager
      *            the id
      * @param source
      *            the source
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public void includePage(final String id, final CharSequence source) throws Exception
+    public void includePage(final String id, final CharSequence source) throws XidynException
     {
         if ((id != null) && (source != null))
         {
@@ -271,10 +272,10 @@ public class Page extends TagDataManager
      *            the id
      * @param source
      *            the source
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public void includePage(final String id, final Document source) throws Exception
+    public void includePage(final String id, final Document source) throws XidynException
     {
         if ((id != null) && (source != null))
         {
@@ -291,10 +292,10 @@ public class Page extends TagDataManager
      *            the id
      * @param source
      *            the source
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public void includePage(final String id, final File source) throws Exception
+    public void includePage(final String id, final File source) throws XidynException
     {
         if ((id != null) && (source != null))
         {
@@ -311,10 +312,10 @@ public class Page extends TagDataManager
      *            the id
      * @param source
      *            the source
-     * @throws Exception
+     * @throws throws
-     *             the exception
+     *             XidynException the exception
      */
-    public void includePage(final String id, final URL source) throws Exception
+    public void includePage(final String id, final URL source) throws XidynException
     {
         if ((id != null) && (source != null))
         {
@@ -350,10 +351,10 @@ public class Page extends TagDataManager
      * Last version.
      * 
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer lastVersion() throws Exception
+    public StringBuffer lastVersion() throws XidynException
     {
         StringBuffer result;
 

src/fr/devinsy/xidyn/pages/PageFactory.java

@@ -22,6 +22,8 @@ import java.io.File;
 import java.net.URL;
 import java.util.Locale;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 
 import fr.devinsy.strings.StringsUtils;
@@ -35,6 +37,8 @@ import fr.devinsy.xidyn.utils.cache.Cache;
  */
 public class PageFactory
 {
+    private static Logger logger = LoggerFactory.getLogger(PageFactory.class);
+
     /**
      * http://thecodersbreakfast.net/index.php?post/2008/02/25/26-de-la-bonne-
      * implementation-du-singleton-en-java
@@ -183,7 +187,7 @@ public class PageFactory
     {
         Page result;
 
-        String key = StringsUtils.toStringSeparatedBy(keys, "-").toString();
+        String key = StringsUtils.toStringSeparatedBy(keys, "-");
 
         result = this.cache.get(key);
         if (result == null)
@@ -209,12 +213,12 @@ public class PageFactory
     {
         Page result;
 
-        String key = StringsUtils.toStringSeparatedBy(keys, "-").toString();
+        String key = StringsUtils.toStringSeparatedBy(keys, "-");
 
         result = this.cache.get(key);
         if (result == null)
         {
-            result = get(source);
+            result = create(source);
             this.cache.put(key, result);
         }
 
@@ -235,12 +239,12 @@ public class PageFactory
     {
         Page result;
 
-        String key = StringsUtils.toStringSeparatedBy(keys, "-").toString();
+        String key = StringsUtils.toStringSeparatedBy(keys, "-");
 
         result = this.cache.get(key);
         if (result == null)
         {
-            result = get(source);
+            result = create(source);
             this.cache.put(key, result);
         }
 
@@ -261,12 +265,12 @@ public class PageFactory
     {
         Page result;
 
-        String key = StringsUtils.toStringSeparatedBy(keys, "-").toString();
+        String key = StringsUtils.toStringSeparatedBy(keys, "-");
 
         result = this.cache.get(key);
         if (result == null)
         {
-            result = get(source);
+            result = create(source);
             this.cache.put(key, result);
         }
 

src/fr/devinsy/xidyn/presenters/DomPresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -24,6 +24,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 import fr.devinsy.xidyn.utils.XidynUtils;
 
@@ -33,6 +34,7 @@ import fr.devinsy.xidyn.utils.XidynUtils;
 public class DomPresenter implements Presenter
 {
     private static Logger logger = LoggerFactory.getLogger(DomPresenter.class);
+
     private Document dom;
     private boolean isOutdated;
     private StringBuffer defaultHtmlTarget;
@@ -61,7 +63,7 @@ public class DomPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -81,7 +83,7 @@ public class DomPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager data) throws Exception
+    public StringBuffer dynamize(final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -94,7 +96,7 @@ public class DomPresenter implements Presenter
             String errorMessage = "source not defined";
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage);
+            throw new XidynException(errorMessage);
         }
         else
         {
@@ -163,7 +165,7 @@ public class DomPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         boolean result;
 
@@ -202,7 +204,7 @@ public class DomPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#update()
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
     {
 
     }

src/fr/devinsy/xidyn/presenters/DomPresenterCore.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -18,6 +18,7 @@
  */
 package fr.devinsy.xidyn.presenters;
 
+import java.io.IOException;
 import java.io.StringWriter;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -32,6 +33,7 @@ import org.w3c.dom.NamedNodeMap;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.SimpleTagData;
 import fr.devinsy.xidyn.data.TagAttributes;
 import fr.devinsy.xidyn.data.TagData;
@@ -59,13 +61,20 @@ public class DomPresenterCore
      *            the doc
      * @param data
      *            the data
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static void dynamize(final Appendable result, final Document doc, final TagDataListById data) throws Exception
+    public static void dynamize(final Appendable result, final Document doc, final TagDataListById data) throws XidynException
+    {
+        try
         {
             process(result, doc, data);
         }
+        catch (IOException exception)
+        {
+            throw new XidynException("IO Error detected: " + exception.getMessage(), exception);
+        }
+    }
 
     /**
      * Dynamize a doc with data.
@@ -76,10 +85,10 @@ public class DomPresenterCore
      *            the doc
      * @param data
      *            the data
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static void dynamize(final Appendable result, final Document doc, final TagDataManager data) throws Exception
+    public static void dynamize(final Appendable result, final Document doc, final TagDataManager data) throws XidynException
     {
         dynamize(result, doc, data.getIdsDataById());
     }
@@ -92,10 +101,10 @@ public class DomPresenterCore
      * @param data
      *            the data
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final Document doc, final TagDataListById data) throws Exception
+    public static StringBuffer dynamize(final Document doc, final TagDataListById data) throws XidynException
     {
         StringBuffer result;
 
@@ -115,10 +124,10 @@ public class DomPresenterCore
      * @param data
      *            the data
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final Document doc, final TagDataManager data) throws Exception
+    public static StringBuffer dynamize(final Document doc, final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -298,10 +307,10 @@ public class DomPresenterCore
      *            the node
      * @param data
      *            the data
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void process(final Appendable result, final Node node, final TagDataListById data) throws Exception
+    private static void process(final Appendable result, final Node node, final TagDataListById data) throws IOException
     {
         process(result, node, data, "");
     }
@@ -317,10 +326,10 @@ public class DomPresenterCore
      *            the datas
      * @param suffix
      *            the suffix
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void process(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+    private static void process(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws IOException
     {
         logger.debug("process - started");
         String TRANSITIONAL_DTD = "xhtml1-transitional.dtd";
@@ -579,10 +588,10 @@ public class DomPresenterCore
      *            the node
      * @param datas
      *            the datas
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processChildren(final Appendable result, final Node node, final TagDataListById datas) throws Exception
+    private static void processChildren(final Appendable result, final Node node, final TagDataListById datas) throws IOException
     {
         processChildren(result, node, datas, "");
     }
@@ -598,10 +607,10 @@ public class DomPresenterCore
      *            the datas
      * @param suffix
      *            the suffix
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processChildren(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+    private static void processChildren(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws IOException
     {
         // Get the iteration strategy.
         SimpleTagData.IterationStrategy strategy;
@@ -738,10 +747,10 @@ public class DomPresenterCore
      *            the node
      * @param datas
      *            the datas
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processElementBasically(final Appendable result, final Node node, final TagDataListById datas) throws Exception
+    private static void processElementBasically(final Appendable result, final Node node, final TagDataListById datas) throws IOException
     {
         processElementBasically(result, node, datas, "");
     }
@@ -757,10 +766,10 @@ public class DomPresenterCore
      *            the datas
      * @param suffix
      *            the suffix
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processElementBasically(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+    private static void processElementBasically(final Appendable result, final Node node, final TagDataListById datas, final String suffix) throws IOException
     {
         logger.debug("processElementBasically - started [{}]", node.getNodeName());
 
@@ -806,10 +815,10 @@ public class DomPresenterCore
      *            The ID.
      * @param datas
      *            the datas
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processElementWithId(final Appendable result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas) throws Exception
+    private static void processElementWithId(final Appendable result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas) throws IOException
     {
         processElementWithId(result, node, attrs, idAttr, datas, "");
     }
@@ -830,10 +839,10 @@ public class DomPresenterCore
      *            the datas
      * @param suffix
      *            the suffix
-     * @throws Exception
+     * @throws IOException
      *             the exception
      */
-    private static void processElementWithId(final Appendable result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas, final String suffix) throws Exception
+    private static void processElementWithId(final Appendable result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas, final String suffix) throws IOException
     {
         String tag = node.getNodeName();
 

src/fr/devinsy/xidyn/presenters/FilePresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -19,12 +19,14 @@
 package fr.devinsy.xidyn.presenters;
 
 import java.io.File;
+import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 import fr.devinsy.xidyn.utils.XidynUtils;
 
@@ -73,7 +75,7 @@ public class FilePresenter extends StringPresenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -93,7 +95,7 @@ public class FilePresenter extends StringPresenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager data) throws Exception
+    public StringBuffer dynamize(final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -163,7 +165,7 @@ public class FilePresenter extends StringPresenter
      * {@inheritDoc}
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         boolean result;
 
@@ -246,14 +248,13 @@ public class FilePresenter extends StringPresenter
         setSource(file);
     }
 
-    /**
+    /* (non-Javadoc)
-     * Update.
+     * @see fr.devinsy.xidyn.presenters.StringPresenter#update()
-     * 
-     * @throws Exception
-     *             the exception
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
+    {
+        try
         {
             //
             if (this.source == null)
@@ -266,7 +267,7 @@ public class FilePresenter extends StringPresenter
             {
                 String errorMessage = "source file defined but not found (" + this.sourceFilePathname + ")";
                 logger.error(errorMessage);
-            throw new Exception(errorMessage);
+                throw new XidynException(errorMessage);
             }
             else
             {
@@ -278,4 +279,9 @@ public class FilePresenter extends StringPresenter
                 }
             }
         }
+        catch (IOException exception)
+        {
+            throw new XidynException(exception);
+        }
+    }
 }

src/fr/devinsy/xidyn/presenters/FilePresenters.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 

src/fr/devinsy/xidyn/presenters/FilePresentersProxy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -21,6 +21,8 @@ package fr.devinsy.xidyn.presenters;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.XidynException;
+
 /**
  * The Class FilePresentersProxy.
  */
@@ -34,10 +36,10 @@ public class FilePresentersProxy
     /**
      * Instantiates a new file presenters proxy.
      * 
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    protected FilePresentersProxy() throws Exception
+    protected FilePresentersProxy() throws XidynException
     {
         this.presenters = new FilePresenters();
     }
@@ -48,10 +50,10 @@ public class FilePresentersProxy
      * @param source
      *            the source
      * @return the by source
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public FilePresenter getBySource(final String source) throws Exception
+    public FilePresenter getBySource(final String source) throws XidynException
     {
         FilePresenter result;
 
@@ -77,10 +79,10 @@ public class FilePresentersProxy
      * Instance.
      * 
      * @return the file presenters proxy
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static FilePresentersProxy instance() throws Exception
+    public static FilePresentersProxy instance() throws XidynException
     {
         FilePresentersProxy result;
 

src/fr/devinsy/xidyn/presenters/GenericPresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -23,6 +23,7 @@ import java.net.URL;
 
 import org.w3c.dom.Document;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 
 /**
@@ -110,7 +111,7 @@ public class GenericPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#dynamize()
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -124,7 +125,7 @@ public class GenericPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#dynamize(fr.devinsy.xidyn.data.TagDataManager)
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager datas) throws Exception
+    public StringBuffer dynamize(final TagDataManager datas) throws XidynException
     {
         StringBuffer result;
 
@@ -166,7 +167,7 @@ public class GenericPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#isOutdated()
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         boolean result;
 
@@ -254,10 +255,10 @@ public class GenericPresenter implements Presenter
      * @param language
      *            the language
      * @return the string
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public String toString(final String language) throws Exception
+    public String toString(final String language) throws XidynException
     {
         String result;
 
@@ -271,7 +272,7 @@ public class GenericPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#update()
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
     {
         this.presenter.update();
     }

src/fr/devinsy/xidyn/presenters/Presenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -18,6 +18,7 @@
  */
 package fr.devinsy.xidyn.presenters;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 
 /**
@@ -32,15 +33,14 @@ import fr.devinsy.xidyn.data.TagDataManager;
  */
 public interface Presenter
 {
-
     /**
      * Dynamize.
      * 
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize() throws Exception;
+    public StringBuffer dynamize() throws XidynException;
 
     /**
      * Dynamize.
@@ -48,10 +48,10 @@ public interface Presenter
      * @param datas
      *            the datas
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize(final TagDataManager datas) throws Exception;
+    public StringBuffer dynamize(final TagDataManager datas) throws XidynException;
 
     /**
      * Gets the source.
@@ -71,16 +71,16 @@ public interface Presenter
      * Checks if is outdated.
      * 
      * @return true, if is outdated
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public boolean isOutdated() throws Exception;
+    public boolean isOutdated() throws XidynException;
 
     /**
      * Update.
      * 
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public void update() throws Exception;
+    public void update() throws XidynException;
 }

src/fr/devinsy/xidyn/presenters/PresenterFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -35,6 +35,8 @@ import fr.devinsy.xidyn.utils.cache.Cache;
  */
 public class PresenterFactory
 {
+    private static Logger logger = LoggerFactory.getLogger(PresenterFactory.class);
+
     /**
      * http://thecodersbreakfast.net/index.php?post/2008/02/25/26-de-la-bonne-
      * implementation-du-singleton-en-java
@@ -44,8 +46,6 @@ public class PresenterFactory
         private final static PresenterFactory INSTANCE = new PresenterFactory();
     }
 
-    private static Logger logger = LoggerFactory.getLogger(PresenterFactory.class);
-
     private Cache<Presenter> cache;
 
     /**

src/fr/devinsy/xidyn/presenters/PresenterUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -24,6 +24,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataListById;
 import fr.devinsy.xidyn.data.TagDataManager;
 
@@ -49,10 +50,10 @@ public class PresenterUtils
      * @param data
      *            the data
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final Document doc, final TagDataListById data) throws Exception
+    public static StringBuffer dynamize(final Document doc, final TagDataListById data) throws XidynException
     {
         StringBuffer result;
 
@@ -70,10 +71,10 @@ public class PresenterUtils
      * @param data
      *            the data
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final Document doc, final TagDataManager data) throws Exception
+    public static StringBuffer dynamize(final Document doc, final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -89,10 +90,10 @@ public class PresenterUtils
      * @param source
      *            the source
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final File source) throws Exception
+    public static StringBuffer dynamize(final File source) throws XidynException
     {
         StringBuffer result;
 
@@ -112,10 +113,10 @@ public class PresenterUtils
      * @param datas
      *            the datas
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final File source, final TagDataManager datas) throws Exception
+    public static StringBuffer dynamize(final File source, final TagDataManager datas) throws XidynException
     {
         StringBuffer result;
 
@@ -128,18 +129,17 @@ public class PresenterUtils
     }
 
     /**
-     * Dynamize a string with HTML in, or with file path name in, or with URL
+     * Dynamize a string with HTML in, or with file path name in, or with URL in.
-     * in.
      * 
      * @param source
      *            the source
      * @param datas
      *            the datas
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static StringBuffer dynamize(final String source, final TagDataManager datas) throws Exception
+    public static StringBuffer dynamize(final String source, final TagDataManager datas) throws XidynException
     {
         StringBuffer result;
 

src/fr/devinsy/xidyn/presenters/StringPresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -24,6 +24,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 import fr.devinsy.xidyn.utils.XidynUtils;
 
@@ -61,7 +62,7 @@ public class StringPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -75,7 +76,7 @@ public class StringPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager data) throws Exception
+    public StringBuffer dynamize(final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -89,7 +90,7 @@ public class StringPresenter implements Presenter
                 String errorMessage = "source not defined";
                 logger.error(errorMessage);
                 result = null;
-                throw new Exception(errorMessage);
+                throw new XidynException(errorMessage);
             }
             else
             {
@@ -200,7 +201,7 @@ public class StringPresenter implements Presenter
      * {@inheritDoc}
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         boolean result;
 
@@ -234,7 +235,7 @@ public class StringPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#update()
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
     {
         // Nothing to do.
     }

src/fr/devinsy/xidyn/presenters/TranslatorPresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -23,6 +23,7 @@ import java.util.Locale;
 import java.util.Map;
 
 import fr.devinsy.util.FileTools;
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 
 /**
@@ -58,7 +59,7 @@ public class TranslatorPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#dynamize()
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -82,10 +83,10 @@ public class TranslatorPresenter implements Presenter
      * @param locale
      *            the locale
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize(final Locale locale) throws Exception
+    public StringBuffer dynamize(final Locale locale) throws XidynException
     {
         StringBuffer result;
 
@@ -113,10 +114,10 @@ public class TranslatorPresenter implements Presenter
      * @param language
      *            the language
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize(final String language) throws Exception
+    public StringBuffer dynamize(final String language) throws XidynException
     {
         StringBuffer result;
 
@@ -130,7 +131,7 @@ public class TranslatorPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#dynamize(fr.devinsy.xidyn.data.TagDataManager)
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager datas) throws Exception
+    public StringBuffer dynamize(final TagDataManager datas) throws XidynException
     {
         StringBuffer result;
 
@@ -156,10 +157,10 @@ public class TranslatorPresenter implements Presenter
      * @param locale
      *            the locale
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize(final TagDataManager datas, final Locale locale) throws Exception
+    public StringBuffer dynamize(final TagDataManager datas, final Locale locale) throws XidynException
     {
         StringBuffer result;
 
@@ -189,10 +190,10 @@ public class TranslatorPresenter implements Presenter
      * @param language
      *            the language
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer dynamize(final TagDataManager datas, final String language) throws Exception
+    public StringBuffer dynamize(final TagDataManager datas, final String language) throws XidynException
     {
         StringBuffer result;
 
@@ -208,10 +209,10 @@ public class TranslatorPresenter implements Presenter
      * @param locale
      *            the locale
      * @return the presenter
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public Presenter getPresenter(final Locale locale) throws Exception
+    public Presenter getPresenter(final Locale locale) throws XidynException
     {
         Presenter result;
 
@@ -239,10 +240,10 @@ public class TranslatorPresenter implements Presenter
      * @param language
      *            the language
      * @return the presenter
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public Presenter getPresenter(final String language) throws Exception
+    public Presenter getPresenter(final String language) throws XidynException
     {
         Presenter result;
 
@@ -264,7 +265,7 @@ public class TranslatorPresenter implements Presenter
                 }
                 else
                 {
-                    throw new Exception("Undefined default language file.");
+                    throw new XidynException("Undefined default language file.");
                 }
             }
             else
@@ -335,7 +336,7 @@ public class TranslatorPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#isOutdated()
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         return false;
     }
@@ -346,10 +347,10 @@ public class TranslatorPresenter implements Presenter
      * @param locale
      *            the locale
      * @return the string
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public String toString(final Locale locale) throws Exception
+    public String toString(final Locale locale) throws XidynException
     {
         String result;
 
@@ -377,10 +378,10 @@ public class TranslatorPresenter implements Presenter
      * @param language
      *            the language
      * @return the string
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public String toString(final String language) throws Exception
+    public String toString(final String language) throws XidynException
     {
         String result;
 
@@ -402,7 +403,7 @@ public class TranslatorPresenter implements Presenter
      * @see fr.devinsy.xidyn.presenters.Presenter#update()
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
     {
     }
 }

src/fr/devinsy/xidyn/presenters/URLPresenter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -25,6 +25,7 @@ import java.net.URL;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.XidynException;
 import fr.devinsy.xidyn.data.TagDataManager;
 import fr.devinsy.xidyn.utils.XidynUtils;
 
@@ -76,11 +77,11 @@ public class URLPresenter extends StringPresenter
      * No need to be synchronized.
      * 
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
     @Override
-    public StringBuffer dynamize() throws Exception
+    public StringBuffer dynamize() throws XidynException
     {
         StringBuffer result;
 
@@ -100,11 +101,11 @@ public class URLPresenter extends StringPresenter
      * @param data
      *            the data
      * @return the string buffer
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
     @Override
-    public StringBuffer dynamize(final TagDataManager data) throws Exception
+    public StringBuffer dynamize(final TagDataManager data) throws XidynException
     {
         StringBuffer result;
 
@@ -204,11 +205,12 @@ public class URLPresenter extends StringPresenter
      * @throws IOException
      */
     @Override
-    public boolean isOutdated() throws Exception
+    public boolean isOutdated() throws XidynException
     {
         boolean result;
 
-        //
+        try
+        {
             if (super.isOutdated())
             {
                 result = true;
@@ -221,6 +223,11 @@ public class URLPresenter extends StringPresenter
             {
                 result = false;
             }
+        }
+        catch (IOException exception)
+        {
+            throw new XidynException(exception);
+        }
 
         //
         return result;
@@ -332,11 +339,11 @@ public class URLPresenter extends StringPresenter
     /**
      * No need to be synchronized.
      * 
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
     @Override
-    public void update() throws Exception
+    public void update() throws XidynException
     {
         //
         if (this.source == null)
@@ -367,7 +374,7 @@ public class URLPresenter extends StringPresenter
                  */
                 String errorMessage = "source file defined but not readable (" + this.source.toString() + ")";
                 logger.error(errorMessage);
-                throw new Exception(errorMessage);
+                throw new XidynException(errorMessage);
             }
         }
     }

src/fr/devinsy/xidyn/utils/XidynUtils.java

@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -43,6 +43,8 @@ import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
+import fr.devinsy.xidyn.XidynException;
+
 /**
  * The Class XidynUtils.
  */
@@ -89,10 +91,10 @@ public class XidynUtils
      * @param source
      *            the source
      * @return the document
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static Document buildDom(final InputStream source) throws Exception
+    public static Document buildDom(final InputStream source) throws XidynException
     {
         Document result;
 
@@ -129,7 +131,8 @@ public class XidynUtils
             if (errorHandler.hasError())
             {
                 // Most time, error is (with StringPresenter):
-                // "Error at line 1 : Document root element "html", must match DOCTYPE root "null".
+                // "Error at line 1 : Document root element "html", must match DOCTYPE root
+                // "null".
                 // Error at line 1 : Document is invalid: no grammar found.
                 // We ignore it. STU
                 logger.debug(errorHandler.toString());
@@ -140,21 +143,21 @@ public class XidynUtils
             String errorMessage = "Parser configuration exception: " + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
         catch (SAXException exception)
         {
             String errorMessage = "Error during SAX parsing: " + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
         catch (IOException exception)
         {
             String errorMessage = "IOError during parsing." + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
 
         //
@@ -167,10 +170,10 @@ public class XidynUtils
      * @param source
      *            the source
      * @return the document
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static Document buildDom(final String source) throws Exception
+    public static Document buildDom(final String source) throws XidynException
     {
         Document result;
 
@@ -207,7 +210,8 @@ public class XidynUtils
             if (errorHandler.hasError())
             {
                 // Most time, error is (with StringPresenter):
-                // "Error at line 1 : Document root element "html", must match DOCTYPE root "null".
+                // "Error at line 1 : Document root element "html", must match DOCTYPE root
+                // "null".
                 // Error at line 1 : Document is invalid: no grammar found.
                 // We ignore it. STU
                 logger.debug(errorHandler.toString());
@@ -218,21 +222,21 @@ public class XidynUtils
             String errorMessage = "Parser configuration exception: " + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
         catch (SAXException exception)
         {
             String errorMessage = "Error during SAX parsing: " + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
         catch (IOException exception)
         {
             String errorMessage = "IOError during parsing." + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
 
         //
@@ -311,12 +315,11 @@ public class XidynUtils
     /**
      * This method extracts the string before the <i>html</i> tag.
      * 
-     * A possible way is to use pattern searching for
+     * A possible way is to use pattern searching for <i>$(.*)&lt;html&gt;.*^</i>.
-     * <i>$(.*)&lt;html&gt;.*^</i>. But if there is no <i>html</i> tag, all the
+     * But if there is no <i>html</i> tag, all the source is read for nothing.
-     * source is read for nothing.
      * 
-     * A best way is to analyze each &lt; while it is a XML tag or a DOCTYPE tag
+     * A best way is to analyze each &lt; while it is a XML tag or a DOCTYPE tag or
-     * or the &lt;HTML&gt; tag.
+     * the &lt;HTML&gt; tag.
      * 
      * Uses cases:
      * 
@@ -327,8 +330,8 @@ public class XidynUtils
      * 
      * @param source
      *            the source
-     * @return the string before the <i>html</i> tag or null if no <i>html</i>
+     * @return the string before the <i>html</i> tag or null if no <i>html</i> tag
-     *         tag found. So, "" if there is a <i>html</i> tag without doctype.
+     *         found. So, "" if there is a <i>html</i> tag without doctype.
      */
     public static String extractDoctype(final String source)
     {
@@ -397,7 +400,7 @@ public class XidynUtils
      * @param source
      *            the source
      * @return the document
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
     public static Document fileToDom(final File source) throws Exception
@@ -711,8 +714,8 @@ public class XidynUtils
     }
 
     /**
-     * Any ampersand lt;, ampersand gt; and ampersand amp; sequences in text
+     * Any ampersand lt;, ampersand gt; and ampersand amp; sequences in text nodes
-     * nodes get read in as symbols. This method converts them back to entities.
+     * get read in as symbols. This method converts them back to entities.
      * 
      * @param source
      *            String that is to have the entities restored..
@@ -773,10 +776,10 @@ public class XidynUtils
      * @param source
      *            the source
      * @return the document
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public static Document urlToDom(final URL source) throws Exception
+    public static Document urlToDom(final URL source) throws XidynException
     {
         Document result;
 
@@ -789,7 +792,7 @@ public class XidynUtils
             String errorMessage = "IOError during parsing." + exception.getMessage();
             logger.error(errorMessage);
             result = null;
-            throw new Exception(errorMessage, exception);
+            throw new XidynException(errorMessage, exception);
         }
 
         //

src/fr/devinsy/xidyn/views/CharterView.java

@@ -20,6 +20,8 @@ package fr.devinsy.xidyn.views;
 
 import java.util.Locale;
 
+import fr.devinsy.xidyn.XidynException;
+
 /**
  * The Interface CharterView.
  */
@@ -35,10 +37,10 @@ public interface CharterView extends View
      * @param content
      *            the content
      * @return the html
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer getHtml(final Long userId, final Locale language, final CharSequence content) throws Exception;
+    public StringBuffer getHtml(final Long userId, final Locale language, final CharSequence content) throws XidynException;
 }
 
 // ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/xidyn/views/View.java

@@ -18,6 +18,8 @@
  */
 package fr.devinsy.xidyn.views;
 
+import fr.devinsy.xidyn.XidynException;
+
 /**
  * The Interface View.
  */
@@ -27,10 +29,10 @@ public interface View
      * Gets the html.
      * 
      * @return the html
-     * @throws Exception
+     * @throws XidynException
      *             the exception
      */
-    public StringBuffer getHtml() throws Exception;
+    public StringBuffer getHtml() throws XidynException;
 
 }
 

src/fr/devinsy/xidyn/views/ViewCache.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * 
+ * This file is part of Xidyn.
+ * 
+ * Xidyn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Xidyn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Xidyn.  If not, see <http://www.gnu.org/licenses/>
+ */
+package fr.devinsy.xidyn.views;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import fr.devinsy.xidyn.XidynException;
+
+/**
+ * The Class ViewCache.
+ */
+public class ViewCache
+{
+    private Map<String, ViewCacheItem> cache;
+
+    /**
+     * Instantiates a new view cache.
+     */
+    public ViewCache()
+    {
+        this.cache = new HashMap<String, ViewCacheItem>();
+    }
+
+    /**
+     * Gets the HT ml.
+     * 
+     * @param key
+     *            the key
+     * @return the HT ml
+     * @throws XidynException
+     *             the exception
+     */
+    public String getHTMl(final String key) throws XidynException
+    {
+        String result;
+
+        ViewCacheItem item = this.cache.get(key);
+        if (item == null)
+        {
+            result = null;
+        }
+        else
+        {
+            if (item.isDeprecated())
+            {
+                item.update();
+            }
+
+            result = item.view().getHtml().toString();
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the view.
+     * 
+     * @param key
+     *            the key
+     * @return the view
+     */
+    public View getView(final String key)
+    {
+        View result;
+
+        ViewCacheItem item = this.cache.get(key);
+        if (item == null)
+        {
+            result = null;
+        }
+        else
+        {
+            result = item.view();
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Checks if is empty.
+     * 
+     * @return true, if is empty
+     */
+    public boolean isEmpty()
+    {
+        boolean result;
+
+        result = this.cache.isEmpty();
+
+        //
+        return result;
+    }
+
+    /**
+     * Purge.
+     */
+    public void purge()
+    {
+        for (ViewCacheItem item : this.cache.values())
+        {
+
+        }
+    }
+
+    /**
+     * Put.
+     * 
+     * @param view
+     *            the view
+     * @param key
+     *            the key
+     * @return the string
+     */
+    public String put(final View view, final String key)
+    {
+        String result;
+
+        ViewCacheItem item = new ViewCacheItem(view);
+        this.cache.put(key, item);
+
+        //
+        result = item.html().toString();
+
+        //
+        return result;
+    }
+}
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/xidyn/views/ViewCacheItem.java

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * 
+ * This file is part of Xidyn.
+ * 
+ * Xidyn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Xidyn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Xidyn.  If not, see <http://www.gnu.org/licenses/>
+ */
+package fr.devinsy.xidyn.views;
+
+import java.util.Date;
+
+/**
+ * The Class ViewCacheItem.
+ */
+public class ViewCacheItem
+{
+    private View view;
+    private long creationDate;
+    private long editionDate;
+    private long lastUseDate;
+    private StringBuffer html;
+
+    /**
+     * Instantiates a new view cache item.
+     * 
+     * @param source
+     *            the source
+     */
+    public ViewCacheItem(final View source)
+    {
+        this.view = source;
+        this.creationDate = time();
+        update();
+        this.editionDate = this.creationDate;
+        this.lastUseDate = this.creationDate;
+    }
+
+    /**
+     * Creation date.
+     * 
+     * @return the long
+     */
+    public long creationDate()
+    {
+        long result;
+
+        result = this.creationDate;
+
+        //
+        return result;
+    }
+
+    /**
+     * Edition date.
+     * 
+     * @return the long
+     */
+    public long editionDate()
+    {
+        long result;
+
+        result = this.editionDate;
+
+        //
+        return result;
+    }
+
+    /**
+     * Html.
+     * 
+     * @return the string buffer
+     */
+    public StringBuffer html()
+    {
+        return this.html;
+    }
+
+    /**
+     * Checks if is deprecated.
+     * 
+     * @return true, if is deprecated
+     */
+    public boolean isDeprecated()
+    {
+        boolean result;
+
+        if ((this.view == null) || (this.html == null))
+        {
+            result = true;
+        }
+        else
+        {
+            // TODO
+            // result = this.view.isOutdated();
+            result = false;
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Last use date.
+     * 
+     * @return the long
+     */
+    public long lastUseDate()
+    {
+        long result;
+
+        result = this.lastUseDate;
+
+        //
+        return result;
+    }
+
+    /**
+     * Last use time.
+     * 
+     * @return the long
+     */
+    public long lastUseTime()
+    {
+        return this.lastUseDate;
+    }
+
+    /**
+     * Update.
+     */
+    public void update()
+    {
+        this.editionDate = time();
+        this.lastUseDate = this.editionDate;
+        // TODO
+        // this.html = this.view.getHtml();
+    }
+
+    /**
+     * View.
+     * 
+     * @return the view
+     */
+    public View view()
+    {
+        return this.view;
+    }
+
+    /**
+     * Time.
+     * 
+     * @return the long
+     */
+    public static long time()
+    {
+        long result;
+
+        result = new Date().getTime();
+
+        //
+        return result;
+    }
+}
+
+// ////////////////////////////////////////////////////////////////////////

src/fr/devinsy/xidyn/views/ViewProxy.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * 
+ * This file is part of Xidyn.
+ * 
+ * Xidyn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Xidyn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Xidyn.  If not, see <http://www.gnu.org/licenses/>
+ */
+package fr.devinsy.xidyn.views;
+
+import java.io.Serializable;
+
+/**
+ * The Class ViewProxy.
+ */
+public class ViewProxy implements Serializable
+{
+    /**
+	 * 
+	 */
+    private static class Holder
+    {
+        private final static ViewProxy INSTANCE = new ViewProxy();
+    }
+
+    private static final long serialVersionUID = -5517300613792689510L;
+
+    /**
+     * Instance.
+     * 
+     * @return the view proxy
+     */
+    public ViewProxy instance()
+    {
+        return Holder.INSTANCE;
+    }
+
+    /**
+     * http://thecodersbreakfast.net/index.php?post/2008/02/25/26-de-la-bonne-
+     * implementation-du-singleton-en-java
+     * 
+     * @return the object
+     */
+    private Object readResolve()
+    {
+        return Holder.INSTANCE;
+    }
+}
+
+// ////////////////////////////////////////////////////////////////////////

test/fr/devinsy/xidyn/pages/PageFactoryTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016,2017 Christian Pierre MOMON
+ * Copyright (C) 2016-2018 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -37,7 +37,7 @@ public class PageFactoryTest
     public void before()
     {
         BasicConfigurator.configure();
-        Logger.getRootLogger().setLevel(Level.ERROR);
+        Logger.getRootLogger().setLevel(Level.INFO);
     }
 
     /**