Refactor hugly.

demo/XidynDemo.java

@@ -6,9 +6,9 @@ import org.apache.log4j.Level;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import fr.devinsy.xidyn.SimpleTagData;
+import fr.devinsy.xidyn.data.SimpleTagData;
-import fr.devinsy.xidyn.StringPresenter;
+import fr.devinsy.xidyn.data.TagDataManager;
-import fr.devinsy.xidyn.TagDataManager;
+import fr.devinsy.xidyn.presenters.StringPresenter;
 
 /**
  *

src/fr/devinsy/xidyn/DomPresenter.java

@@ -1,126 +0,0 @@
-package fr.devinsy.xidyn;
-
-import java.io.StringWriter;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Document;
-
-/**
- *
- */
-public class DomPresenter extends Presenter
-{
-	static final public char INDEX_SEPARATOR = '_';
-
-	static private Logger logger = LoggerFactory.getLogger(DomPresenter.class);
-	protected Document doc;
-
-	/**
-	 *
-	 */
-	public DomPresenter()
-	{
-		this.doc = null;
-	}
-
-	/**
-	 *
-	 */
-	public DomPresenter(final Document doc)
-	{
-		setSource(doc);
-	}
-
-	/**
-	 *
-	 */
-	public Document getDOM()
-	{
-		Document result;
-
-		result = this.doc;
-
-		//
-		return (result);
-	}
-
-	/**
-	 *
-	 */
-	public StringBuffer dynamize(final TagDataListById datas) throws Exception
-	{
-		StringBuffer result;
-
-		if (this.doc == null)
-		{
-			String errorMessage = "source not defined";
-			logger.error(errorMessage);
-			result = null;
-			throw new Exception(errorMessage);
-		}
-		else
-		{
-			// Build the web page.
-			StringWriter htmlCode = new StringWriter();
-			Presenter.dynamize(htmlCode, this.doc, datas);
-			result = new StringBuffer(htmlCode.toString());
-		}
-
-		//
-		return (result);
-	}
-
-	/**
-	 *
-	 */
-	public StringBuffer dynamize(final TagDataManager datas) throws Exception
-	{
-		return (dynamize(datas.getIdsDataById()));
-	}
-
-	/**
-	 *
-	 */
-	public void setDOM(final Document doc)
-	{
-		this.doc = doc;
-	}
-
-	/*
-	 *
-	 */
-	public void setSource(final Document doc)
-	{
-		this.doc = doc;
-		addMetaTag(this.doc, "generator", "XID 0.0");
-	}
-
-	/**
-	 *
-	 */
-	public Object getSource()
-	{
-		Object result;
-
-		result = this.doc;
-
-		//
-		return (result);
-	}
-
-	/**
-	 * Xid a file with data.
-	 */
-	static public StringBuffer dynamize(final Document doc, final TagDataListById datas) throws Exception
-	{
-		StringBuffer result;
-
-		StringWriter htmlCode = new StringWriter();
-		Presenter.process(htmlCode, doc, datas);
-		result = htmlCode.getBuffer();
-
-		//
-		return (result);
-	}
-}

src/fr/devinsy/xidyn/data/SimpleTagData.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 import java.io.Serializable;
 

src/fr/devinsy/xidyn/data/TagAttributes.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 import java.util.HashMap;
 

src/fr/devinsy/xidyn/data/TagData.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 /*
  * Xid uses three class to describe data:

src/fr/devinsy/xidyn/data/TagDataListById.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 import java.util.HashMap;
 

src/fr/devinsy/xidyn/data/TagDataListByIndex.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 import java.util.Vector;
 

src/fr/devinsy/xidyn/data/TagDataManager.java

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.data;
 
 /*
  *

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

@@ -1,9 +1,10 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.StringWriter;
 import java.io.Writer;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -24,22 +25,140 @@ import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 import org.xml.sax.SAXException;
 
+import fr.devinsy.xidyn.data.SimpleTagData;
+import fr.devinsy.xidyn.data.TagAttributes;
+import fr.devinsy.xidyn.data.TagData;
+import fr.devinsy.xidyn.data.TagDataListById;
+import fr.devinsy.xidyn.data.TagDataListByIndex;
+import fr.devinsy.xidyn.data.TagDataManager;
+
 /**
  *
  */
-public class Presenter
+public class DomPresenter extends Presenter
 {
-	static private Logger logger = LoggerFactory.getLogger(Presenter.class);
 	static final public char INDEX_SEPARATOR = '_';
+	static private Logger logger = LoggerFactory.getLogger(DomPresenter.class);
+	protected Document doc;
 
 	/**
 	 *
 	 */
-	static protected void addMetaTag(final Document doc, final String name, final String content)
+	public DomPresenter()
+	{
+		this.doc = null;
+	}
+
+	/**
+	 *
+	 */
+	public DomPresenter(final Document doc)
+	{
+		setSource(doc);
+	}
+
+	/**
+	 *
+	 */
+	@Override
+	public StringBuffer dynamize(final TagDataListById datas) throws Exception
+	{
+		StringBuffer result;
+
+		if (this.doc == null)
+		{
+			String errorMessage = "source not defined";
+			logger.error(errorMessage);
+			result = null;
+			throw new Exception(errorMessage);
+		}
+		else
+		{
+			// Build the web page.
+			StringWriter htmlCode = new StringWriter();
+			DomPresenter.dynamize(htmlCode, this.doc, datas);
+			result = new StringBuffer(htmlCode.toString());
+		}
+
+		//
+		return (result);
+	}
+
+	/**
+	 *
+	 */
+	@Override
+	public StringBuffer dynamize(final TagDataManager datas) throws Exception
+	{
+		return (dynamize(datas.getIdsDataById()));
+	}
+
+	/**
+	 *
+	 */
+	public Document getDOM()
+	{
+		Document result;
+
+		result = this.doc;
+
+		//
+		return (result);
+	}
+
+	/**
+	 *
+	 */
+	@Override
+	public Object getSource()
+	{
+		Object result;
+
+		result = this.doc;
+
+		//
+		return (result);
+	}
+
+	/**
+	 * 
+	 */
+	@Override
+	public boolean isOutdated()
+	{
+		boolean result;
+
+		result = false;
+
+		//
+		return result;
+	}
+
+	/**
+	 *
+	 */
+	public void setDOM(final Document doc)
+	{
+		this.doc = doc;
+	}
+
+	/**
+	 *
+	 */
+	public void setSource(final Document doc)
+	{
+		this.doc = doc;
+		DomPresenter.addMetaTag(this.doc, "generator", "XIDYN 1.0.0");
+	}
+
+	/**
+	 *
+	 */
+	static public void addMetaTag(final Document doc, final String name, final String content)
 	{
 		// Find head tag.
 
-		Node headNode = Presenter.findHeadNode(doc);
+		Node headNode = findHeadNode(doc);
 
 		Node metaNode = doc.createElement("meta");
 
@@ -57,7 +176,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected Document buildTree(final InputStream source) throws Exception
+	static public Document buildDom(final InputStream source) throws Exception
 	{
 		Document result;
 
@@ -131,80 +250,39 @@ public class Presenter
 		return (result);
 	}
 
+	/**
+	 * Xidyn a file with data.
+	 */
+	static public StringBuffer dynamize(final Document doc, final TagDataListById datas) throws Exception
+	{
+		StringBuffer result;
+
+		StringWriter htmlCode = new StringWriter();
+		DomPresenter.dynamize(htmlCode, doc, datas);
+		result = htmlCode.getBuffer();
+
+		//
+		return (result);
+	}
+
 	/**
 	 * Dynamize a file with data.
 	 */
 	static public void dynamize(final Writer result, final Document doc, final TagDataListById data) throws Exception
 	{
-		Presenter.process(result, doc, data);
+		process(result, doc, data);
-	}
-
-	/**
-	 * Good estimation of the target length able to optimize performance.
-	 */
-	static int estimatedTargetLength(final long sourceLength)
-	{
-		int result;
-
-		if (sourceLength < 1000)
-		{
-			result = (int) (sourceLength * 5);
-		}
-		else if (sourceLength < 50000)
-		{
-			result = (int) (sourceLength * 2);
-		}
-		else if (sourceLength < 800000)
-		{
-			result = (100000);
-		}
-		else
-		{
-			result = (int) (sourceLength + 30000);
-		}
-
-		//
-		return (result);
-	}
-
-	/**
-	 *
-	 */
-	static public String extractBodyContent(final StringBuffer data)
-	{
-		String result = null;
-
-		// Extract the body content.
-		String dataLowerCase = data.toString().toLowerCase();
-
-		int startBody = dataLowerCase.indexOf("<body>");
-		int endBody = dataLowerCase.indexOf("</body>");
-
-		// Note: as failed search is improbable, no care about complexity
-		// in failed search case.
-		if ((startBody == -1) || (endBody == -1))
-		{
-			result = null;
-		}
-		else
-		{
-			result = data.substring(startBody + 6, endBody).trim();
-		}
-
-		//
-		return (result);
 	}
 
 	/**
 	 * Define in Presenter cause <object> needs this possibility.
 	 */
-	static protected Document fileToTree(final String fileName) throws Exception
+	static public Document fileToDom(final String fileName) throws Exception
 	{
 		Document result;
 
 		try
 		{
-			result = buildTree(new FileInputStream(new File(fileName)));
+			result = buildDom(new FileInputStream(new File(fileName)));
 		}
 		catch (IOException exception)
 		{
@@ -225,7 +303,7 @@ public class Presenter
 	 *            Document node.
 	 * @return The head tag node
 	 */
-	static protected Node findHeadNode(final Node node)
+	private static Node findHeadNode(final Node node)
 	{
 		Node headNode = null;
 
@@ -274,7 +352,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static public String getClassAttributeValue(final Node node)
+	private static String getClassAttributeValue(final Node node)
 	{
 		String result;
 
@@ -306,10 +384,9 @@ public class Presenter
 	 * 
 	 * @param node
 	 */
-	static protected String getElementText(final Node node)
+	static private String getElementText(final Node node)
 	{
 		String result;
-		result = ""; // Grrrr, Java ...
 
 		NodeList children = node.getChildNodes();
 		if ((children == null) || (children.getLength() == 0))
@@ -319,6 +396,7 @@ public class Presenter
 		else
 		{
 			boolean ended = false;
+			result = ""; // Grrrr, Java ...
 			int childCounter = 0;
 			int childCount = children.getLength();
 			while (!ended)
@@ -333,9 +411,8 @@ public class Presenter
 					Node child = children.item(childCounter);
 					if (child.getNodeType() == Node.TEXT_NODE)
 					{
-						result = newLinesToSpaces(child.getNodeValue()); // STU
+						// STU (+=, newLines...)
-																			// (+=,
+						result = newLinesToSpaces(child.getNodeValue());
-																			// newLines...)
 						ended = true;
 					}
 					else
@@ -353,7 +430,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static public TagAttributes mergeAttributes(final TagAttributes target, final TagAttributes source)
+	static private TagAttributes mergeAttributes(final TagAttributes target, final TagAttributes source)
 	{
 		TagAttributes result;
 
@@ -399,13 +476,13 @@ public class Presenter
 
 	/**
 	 * Converts New Line characters to spaces. This is used when for example the
-	 * text in a div tag goes over serveral lines.
+	 * text in a div tag goes over several lines.
 	 * 
 	 * @param text
 	 *            String
 	 * @return String
 	 */
-	static protected String newLinesToSpaces(final String text)
+	static private String newLinesToSpaces(final String text)
 	{
 		StringBuffer result = new StringBuffer(text);
 
@@ -424,16 +501,16 @@ public class Presenter
 	/**
 	 * 
 	 */
-	static protected void process(final Writer result, final Node node, final TagDataListById datas) throws Exception
+	private static void process(final Writer result, final Node node, final TagDataListById datas) throws Exception
 	{
-		Presenter.process(result, node, datas, "");
+		DomPresenter.process(result, node, datas, "");
 	}
 
 	/**
 	 * Recursive method that processes a node and any child nodes.
 	 * 
 	 */
-	static protected void process(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+	static private void process(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
 	{
 		logger.debug("process - started");
 		String TRANSITIONAL_DTD = "xhtml1-transitional.dtd";
@@ -471,7 +548,7 @@ public class Presenter
 							// Log.write(Log.TRACE,"systemId = " + systemId);
 						}
 
-						Presenter.process(result, ((Document) node).getDocumentElement(), datas, suffix);
+						DomPresenter.process(result, ((Document) node).getDocumentElement(), datas, suffix);
 
 						break;
 					}
@@ -485,11 +562,11 @@ public class Presenter
 
 						if (idAttr != null)
 						{
-							Presenter.processElementWithId(result, node, attrs, idAttr, datas, suffix);
+							DomPresenter.processElementWithId(result, node, attrs, idAttr, datas, suffix);
 						}
 						else
 						{
-							Presenter.processElementBasically(result, node, datas, suffix);
+							DomPresenter.processElementBasically(result, node, datas, suffix);
 						}
 
 						break;
@@ -522,7 +599,7 @@ public class Presenter
 					case Node.TEXT_NODE:
 					{
 						logger.debug("case Node.TEXTE_NODE");
-						result.append(restoreEntities(new StringBuffer(node.getNodeValue())));
+						result.append(Presenter.restoreEntities(new StringBuffer(node.getNodeValue())));
 						break;
 					}
 
@@ -554,7 +631,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected StringBuffer processAttributes(final NamedNodeMap attrs)
+	static private StringBuffer processAttributes(final NamedNodeMap attrs)
 	{
 		StringBuffer result;
 
@@ -567,7 +644,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes)
+	static private StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes)
 	{
 		StringBuffer result;
 
@@ -580,7 +657,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes, final String suffix)
+	static private StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes, final String suffix)
 	{
 		StringBuffer result;
 
@@ -630,7 +707,7 @@ public class Presenter
 
 			if ((attribute.getKey().equals("id")) && (suffix.length() != 0))
 			{
-				result.append(" " + attribute.getKey() + "=\"" + attribute.getValue() + Presenter.INDEX_SEPARATOR + suffix + "\"");
+				result.append(" " + attribute.getKey() + "=\"" + attribute.getValue() + INDEX_SEPARATOR + suffix + "\"");
 			}
 			else
 			{
@@ -645,7 +722,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes, final TagAttributes namedDataAttributes, final String suffix)
+	static private StringBuffer processAttributes(final NamedNodeMap attrs, final TagAttributes dataAttributes, final TagAttributes namedDataAttributes, final String suffix)
 	{
 		StringBuffer result;
 
@@ -658,7 +735,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected void processChildren(final Writer result, final Node node, final TagDataListById datas) throws Exception
+	static private void processChildren(final Writer result, final Node node, final TagDataListById datas) throws Exception
 	{
 		processChildren(result, node, datas, "");
 	}
@@ -666,7 +743,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static protected void processChildren(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+	private static void processChildren(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
 	{
 		// Get the iteration strategy.
 		SimpleTagData.IterationStrategy strategy;
@@ -795,9 +872,9 @@ public class Presenter
 	}
 
 	/**
-	 *
+	 * TODO remove?
 	 */
-	static void processElementBasically(final Writer result, final Node node, final TagDataListById datas) throws Exception
+	private static void processElementBasically(final Writer result, final Node node, final TagDataListById datas) throws Exception
 	{
 		processElementBasically(result, node, datas, "");
 	}
@@ -805,7 +882,7 @@ public class Presenter
 	/**
 	 *
 	 */
-	static void processElementBasically(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
+	private static void processElementBasically(final Writer result, final Node node, final TagDataListById datas, final String suffix) throws Exception
 	{
 		logger.debug("processElementBasically - started [{}]", node.getNodeName());
 
@@ -848,7 +925,7 @@ public class Presenter
 	 * @param idAttr
 	 *            The ID.
 	 */
-	static protected void processElementWithId(final Writer result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas) throws Exception
+	static private void processElementWithId(final Writer result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas) throws Exception
 
 	{
 		processElementWithId(result, node, attrs, idAttr, datas, "");
@@ -865,7 +942,7 @@ public class Presenter
 	 * @param idAttr
 	 *            The ID.
 	 */
-	static protected void processElementWithId(final Writer result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas, final String suffix) throws Exception
+	static private void processElementWithId(final Writer result, final Node node, final NamedNodeMap attrs, final Node idAttr, final TagDataListById datas, final String suffix) throws Exception
 	{
 		String tag = node.getNodeName();
 
@@ -878,7 +955,7 @@ public class Presenter
 
 		if (dataCore == null)
 		{
-			Presenter.processElementBasically(result, node, datas, suffix);
+			DomPresenter.processElementBasically(result, node, datas, suffix);
 		}
 		else if (dataCore instanceof SimpleTagData)
 		{
@@ -972,7 +1049,7 @@ public class Presenter
 					// Manage a Hashmap.
 					TagDataListById data = (TagDataListById) tags.elementAt(nLine);
 
-					Presenter.processElementWithId(result, node, attrs, idAttr, data, Integer.toString(nLine));
+					DomPresenter.processElementWithId(result, node, attrs, idAttr, data, Integer.toString(nLine));
 					result.append('\n');
 				}
 			}
@@ -985,61 +1062,4 @@ public class Presenter
 		//
 		logger.debug("Exit");
 	}
-
-	/**
-	 * Any ampersand lt;, ampersand gt; and ampersand amp; sequences in text
-	 * nodes get read in as symbols. This method converts them back to entities.
-	 * 
-	 * @param s
-	 *            String that is to have the entities restored..
-	 * @return The processed string.
-	 */
-	static public String restoreEntities(final StringBuffer s)
-	{
-		String result;
-
-		if (s == null)
-		{
-			result = null;
-		}
-		else
-		{
-			StringBuffer str = new StringBuffer();
-
-			int len = (s != null) ? s.length() : 0;
-			for (int i = 0; i < len; i++)
-			{
-				char ch = s.charAt(i);
-				switch (ch)
-				{
-					case '<':
-					{
-						str.append("&lt;");
-						break;
-					}
-
-					case '>':
-					{
-						str.append("&gt;");
-						break;
-					}
-
-					case '&':
-					{
-						str.append("&amp;");
-						break;
-					}
-
-					default:
-					{
-						str.append(ch);
-					}
-				}
-			}
-			result = str.toString();
-		}
-
-		//
-		return (result);// import javax.xml.parsers.*;
-	}
 }

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

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -9,12 +9,15 @@ import java.net.URI;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.data.TagDataListById;
+import fr.devinsy.xidyn.data.TagDataManager;
+
 /**
  *
  */
 public class FilePresenter extends DomPresenter
 {
-	static private Logger logger = LoggerFactory.getLogger(FilePresenter.class);
+	static Logger logger = LoggerFactory.getLogger(FilePresenter.class);
 
 	private String sourceFilePathname;
 	private long sourceFileTime;
@@ -75,11 +78,11 @@ public class FilePresenter extends DomPresenter
 		else if ((this.doc == null) || (this.sourceFileTime != source.lastModified()))
 		{
 			this.sourceFileTime = source.lastModified();
-			this.doc = Presenter.fileToTree(this.sourceFilePathname);
+			this.doc = DomPresenter.fileToDom(this.sourceFilePathname);
 			this.doctype = getDoctype(this.sourceFilePathname);
 			if (this.doc != null)
 			{
-				Presenter.addMetaTag(doc, "generator", "XID 0.0");
+				DomPresenter.addMetaTag(doc, "generator", "XID 0.0");
 			}
 		}
 
@@ -88,7 +91,7 @@ public class FilePresenter extends DomPresenter
 		htmlCode.write(doctype);
 		htmlCode.write('\n');
 
-		Presenter.dynamize(htmlCode, doc, datas);
+		DomPresenter.dynamize(htmlCode, doc, datas);
 		result = htmlCode.getBuffer();
 
 		//
@@ -118,6 +121,21 @@ public class FilePresenter extends DomPresenter
 		return (result);
 	}
 
+	/**
+	 * 
+	 */
+	@Override
+	public boolean isOutdated()
+	{
+		boolean result;
+
+		// TODO
+		result = false;
+
+		//
+		return result;
+	}
+
 	/**
 	 *
 	 */

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

@@ -4,7 +4,7 @@
  *  as published by the Free Software Foundation version 2 or any later version.
  */
 
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.util.Vector;
 

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

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

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

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.util.Vector;
 

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

@@ -0,0 +1,151 @@
+package fr.devinsy.xidyn.presenters;
+
+import fr.devinsy.xidyn.data.TagDataListById;
+import fr.devinsy.xidyn.data.TagDataManager;
+
+/**
+ *
+ */
+public abstract class Presenter<E>
+{
+	/**
+	 * 
+	 * @param datas
+	 * @return
+	 * @throws Exception
+	 */
+	public abstract StringBuffer dynamize(final TagDataListById datas) throws Exception;
+
+	/**
+	 * 
+	 * @param datas
+	 * @return
+	 * @throws Exception
+	 */
+	public abstract StringBuffer dynamize(final TagDataManager datas) throws Exception;
+
+	/**
+	 * 
+	 * @return
+	 */
+	public abstract Object getSource();
+
+	/**
+	 * 
+	 * @return
+	 */
+	public abstract boolean isOutdated();
+
+	/**
+	 * Good estimation of the target length able to optimize performance.
+	 */
+	public static int estimatedTargetLength(final long sourceLength)
+	{
+		int result;
+
+		if (sourceLength < 1000)
+		{
+			result = (int) (sourceLength * 5);
+		}
+		else if (sourceLength < 50000)
+		{
+			result = (int) (sourceLength * 2);
+		}
+		else if (sourceLength < 800000)
+		{
+			result = (100000);
+		}
+		else
+		{
+			result = (int) (sourceLength + 30000);
+		}
+
+		//
+		return (result);
+	}
+
+	/**
+	 *
+	 */
+	static public String extractBodyContent(final StringBuffer data)
+	{
+		String result = null;
+
+		// Extract the body content.
+		String dataLowerCase = data.toString().toLowerCase();
+
+		int startBody = dataLowerCase.indexOf("<body>");
+		int endBody = dataLowerCase.indexOf("</body>");
+
+		// Note: as failed search is improbable, no care about complexity
+		// in failed search case.
+		if ((startBody == -1) || (endBody == -1))
+		{
+			result = null;
+		}
+		else
+		{
+			result = data.substring(startBody + 6, endBody).trim();
+		}
+
+		//
+		return (result);
+	}
+
+	/**
+	 * Any ampersand lt;, ampersand gt; and ampersand amp; sequences in text
+	 * nodes get read in as symbols. This method converts them back to entities.
+	 * 
+	 * @param source
+	 *            String that is to have the entities restored..
+	 * @return The processed string.
+	 */
+	static public String restoreEntities(final StringBuffer source)
+	{
+		String result;
+
+		if (source == null)
+		{
+			result = null;
+		}
+		else
+		{
+			StringBuffer buffer = new StringBuffer(source.length() * 2);
+
+			int len = (source != null) ? source.length() : 0;
+			for (int index = 0; index < len; index++)
+			{
+				char letter = source.charAt(index);
+				switch (letter)
+				{
+					case '<':
+					{
+						buffer.append("&lt;");
+						break;
+					}
+
+					case '>':
+					{
+						buffer.append("&gt;");
+						break;
+					}
+
+					case '&':
+					{
+						buffer.append("&amp;");
+						break;
+					}
+
+					default:
+					{
+						buffer.append(letter);
+					}
+				}
+			}
+			result = buffer.toString();
+		}
+
+		//
+		return (result);
+	}
+}

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

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.io.ByteArrayInputStream;
 import java.io.StringWriter;
@@ -6,6 +6,9 @@ import java.io.StringWriter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.data.TagDataListById;
+import fr.devinsy.xidyn.data.TagDataManager;
+
 /**
  *
  */
@@ -62,7 +65,7 @@ public class StringPresenter extends DomPresenter
 			// StringBufferInputStream is deprecated so we use another solution.
 			// (see
 			// http://www.developpez.net/forums/archive/index.php/t-14101.html).
-			doc = buildTree(new ByteArrayInputStream(htmlSource.getBytes()));
+			doc = DomPresenter.buildDom(new ByteArrayInputStream(htmlSource.getBytes()));
 		}
 
 		StringWriter htmlCode = new StringWriter(Presenter.estimatedTargetLength(this.html.length()));
@@ -70,7 +73,7 @@ public class StringPresenter extends DomPresenter
 		{
 			htmlCode.write(this.html.substring(0, this.html.indexOf('>')));
 		}
-		Presenter.dynamize(htmlCode, doc, datas);
+		DomPresenter.dynamize(htmlCode, doc, datas);
 		StringBuffer htmlTarget = htmlCode.getBuffer();
 
 		if (htmlTarget == null)

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

@@ -1,4 +1,4 @@
-package fr.devinsy.xidyn;
+package fr.devinsy.xidyn.presenters;
 
 import java.io.BufferedReader;
 import java.io.FileReader;
@@ -10,6 +10,9 @@ import java.net.URL;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import fr.devinsy.xidyn.data.TagDataListById;
+import fr.devinsy.xidyn.data.TagDataManager;
+
 /**
  *
  */
@@ -94,11 +97,11 @@ public class URLPresenter extends DomPresenter
 			if ((this.doc == null) || (this.sourceFileTime != lastModified))
 			{
 				this.sourceFileTime = lastModified;
-				this.doc = Presenter.buildTree(this.sourceURL.openStream());
+				this.doc = DomPresenter.buildDom(this.sourceURL.openStream());
 				this.doctype = "<!DOCTYPE HTML>"; // TODO Made generic.
 				if (this.doc != null)
 				{
-					Presenter.addMetaTag(doc, "generator", "XID 0.0");
+					DomPresenter.addMetaTag(doc, "generator", "XID 0.0");
 				}
 			}
 
@@ -107,7 +110,7 @@ public class URLPresenter extends DomPresenter
 			htmlCode.write(doctype);
 			htmlCode.write('\n');
 
-			Presenter.dynamize(htmlCode, doc, datas);
+			DomPresenter.dynamize(htmlCode, doc, datas);
 			result = htmlCode.getBuffer();
 		}
 

test/XidynTest.java

@@ -6,9 +6,9 @@ import org.apache.log4j.Level;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import fr.devinsy.xidyn.SimpleTagData;
+import fr.devinsy.xidyn.data.SimpleTagData;
-import fr.devinsy.xidyn.StringPresenter;
+import fr.devinsy.xidyn.data.TagDataManager;
-import fr.devinsy.xidyn.TagDataManager;
+import fr.devinsy.xidyn.presenters.StringPresenter;
 
 /**
  *