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Fixed dispatching rule.

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This commit is contained in:
Christian P. MOMON 2012-09-17 14:35:49 +02:00
parent 896b9c8578
commit 94d55f65d2
1 changed files with 420 additions and 435 deletions
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src/fr/devinsy/kiss4web/SimpleServletDispatcher.java
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@ -1,12 +1,11 @@
/** /**
* @author Christian Momon, June 2008. * @author Christian Momon, June 2008. This file is free software under the
* This file is free software under the terms of the GNU Library General Public License * terms of the GNU Library General Public License as published by the
* as published by the Free Software Foundation version 2 or any later version. * Free Software Foundation version 2 or any later version.
*/ */
package fr.devinsy.kiss4web; package fr.devinsy.kiss4web;
import java.io.File; import java.io.File;
import java.io.FileInputStream; import java.io.FileInputStream;
import java.io.IOException; import java.io.IOException;
@ -22,28 +21,151 @@ import javax.servlet.http.HttpServletResponse;
import fr.devinsy.util.StringList; import fr.devinsy.util.StringList;
/** /**
* *
*/ */
public class SimpleServletDispatcher extends HttpServlet public class SimpleServletDispatcher extends HttpServlet
{ {
private static final long serialVersionUID = -3471226305721330069L; private static final long serialVersionUID = -3471226305721330069L;
static protected org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger (ServletDispatcher.class); static protected org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(ServletDispatcher.class);
static final protected Pattern SHORT_REWRITED_URL_CLASS = Pattern.compile("^([^-]+)-.+\\.xhtml$"); static final protected Pattern SHORT_REWRITED_URL_CLASS = Pattern.compile("^([^-]+)-.+\\.xhtml$");
static final protected Pattern SHORT_REWRITED_URL_PARAMETERS = Pattern.compile("^[^-]+-(.+)\\.xhtml$"); static final protected Pattern SHORT_REWRITED_URL_PARAMETERS = Pattern.compile("^[^-]+-(.+)\\.xhtml$");
static final protected Pattern LONG_REWRITED_URL_CLASS = Pattern.compile("^([^-]+)-/.*$"); static final protected Pattern LONG_REWRITED_URL_CLASS = Pattern.compile("^([^-]+)-/.*$");
//static final protected Pattern LONG_REWRITED_URL_PARAMETERS = Pattern.compile("^.+-/(.)+*$"); // static final protected Pattern LONG_REWRITED_URL_PARAMETERS =
// Pattern.compile("^.+-/(.)+*$");
static final protected Pattern REWRITE_PARAMETER = Pattern.compile("[^%\\w\\d]"); static final protected Pattern REWRITE_PARAMETER = Pattern.compile("[^%\\w\\d]");
protected String webclassesRootPath; protected String webclassesRootPath;
/**
* "Code can be shortest, speedest and memory smallest, but not the three in same time, only two"
* , unknow citation.
*
* Note: characters array avalaible here
* http://fr.wikipedia.org/wiki/Table_des_caract
* %C3%A8res_Unicode_%280000-0FFF%29
*/
static protected char NONE = (char) 0;
static protected int[] rewritingParameterMapping = {
/* 00 */NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
/* 10 */NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
/* 20 */'-', NONE, NONE, '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-',
/* 30 */'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '-', '-', '-', '-', '-',
/* 40 */'\u0040', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
/* 50 */'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '-', '-', '-', '-', '-',
/* 60 */'-', '\u0061', '\u0062', '\u0063', '\u0064', '\u0065', '\u0066', '\u0067', '\u0068', '\u0069', '\u006A', '\u006B', '\u006C', '\u006D', '\u006E',
'\u006F',
/* 70 */'\u0070', '\u0071', '\u0072', '\u0073', '\u0074', '\u0075', '\u0076', '\u0077', '\u0078', '\u0079', '\u007A', '\u007B', '\u007C', '\u007D',
'-', '-',
/* 80 */NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
/* 90 */NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
/* A0 */'\u00A0', '\u00A1', '\u00A2', '\u00A3', '\u00A4', '\u00A5', '\u00A6', '\u00A7', '\u00A8', '\u00A9', '\u00AA', '\u00AB', '\u00AC', '\u00AD',
'\u00AE', '\u00AF',
/* B0 */'-', '\u00B1', '\u00B2', '\u00B3', '\u00B4', '\u00B5', '\u00B6', '\u00B7', '\u00B8', '\u00B9', '\u00BA', '\u00BB', '\u00BC', '\u00BD',
'\u00BE', '\u00BF',
/* C0 */'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i',
/* D0 */'\u00D0', '\u00D1', 'o', 'o', 'o', 'o', 'o', 'o', '\u00D8', 'u', 'u', 'u', 'u', 'y', '\u00DE', '\u00DF',
/* E0 */'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i',
/* F0 */'o', 'n', 'o', 'o', 'o', 'o', 'o', '\u00F7', '-', 'u', 'u', 'u', 'u', 'y', '-', 'y' };
/** /**
* *
*/ */
public void init () throws ServletException @Override
public void doGet(final HttpServletRequest request, final HttpServletResponse response) throws IOException, ServletException
{
doIt(request, response);
}
/**
*
*
*/
public void doIt(final HttpServletRequest request, final HttpServletResponse response) throws IOException, ServletException
{
logger.info("==================================================");
logger.info("getContextPath=[" + request.getContextPath() + "]");
logger.info("getPathInfo=[" + request.getPathInfo() + "]");
logger.info("getPathTranslated=[" + request.getPathTranslated() + "]");
logger.info("getQueryString=[" + request.getQueryString() + "]");
logger.info("getRequestURI=[" + request.getRequestURI() + "]");
logger.info("getRequestURL=[" + request.getRequestURL() + "]");
logger.info("getServletPath=[" + request.getServletPath() + "]");
//
/*
* In past, possibility to use the servlet path was enable. It is too
* complexe, not kiss mind. String path; if (request.getPathInfo() ==
* null) { // web.xml url-pattern= *.xhtml path =
* request.getServletPath(); } else { // web.xml url-pattern = /* path =
* request.getPathInfo(); }
*/
// String path = request.getRequestURI();
String path = request.getPathInfo();
if ((!path.endsWith("/")) && (!path.endsWith(".xhtml")) && (!path.contains("-/")))
{
// path = getServletContext().getRealPath("/") +
// request.getRequestURI();
path = getServletContext().getRealPath("/") + request.getPathInfo();
returnInlineFile(response, new File(path), getServletContext().getMimeType(path));
logger.info("File returned directly [" + path + "] with mimetype [" + getServletContext().getMimeType(path) + "].");
}
else
{
String className = pathInfoToClassName(path, this.webclassesRootPath);
logger.info("className=[" + className + "]");
HttpServlet servlet = instanciateServlet(className);
// servlet.getServletContext().setAttribute(arg0, arg1);
if (servlet == null)
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><head></head><body>");
out.println("Unknow page.");
out.println("</body></html>");
out.close();
}
else if (isAuthorized(request, response))
{
servlet.init(this.getServletConfig());
servlet.service(request, response);
}
else
{
/*
* TODO // response.setContentType ("text/html"); PrintWriter
* out = response.getWriter();
*
* out.println ("<html><head></head><body>"); out.println
* ("Not authorized page."); out.println ("</body></html>");
*/
}
}
}
/**
*
*/
@Override
public void doPost(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException
{
doIt(request, response);
}
/**
*
*/
@Override
public void init() throws ServletException
{ {
super.init(); super.init();
this.webclassesRootPath = getInitParameter("webClassesRootPath"); this.webclassesRootPath = getInitParameter("webClassesRootPath");
@ -55,7 +177,7 @@ public class SimpleServletDispatcher extends HttpServlet
try try
{ {
System.out.println("Log configuration found (" + logFilepathname + "), will use it."); System.out.println("Log configuration found (" + logFilepathname + "), will use it.");
org.apache.log4j.PropertyConfigurator.configure (getServletContext().getRealPath("/") + logFilepathname); org.apache.log4j.PropertyConfigurator.configure(getServletContext().getRealPath("/") + logFilepathname);
} }
catch (Exception exception) catch (Exception exception)
{ {
@ -68,18 +190,91 @@ public class SimpleServletDispatcher extends HttpServlet
} }
} }
/**
*
*/
public boolean isAuthorized(final HttpServletRequest request, final HttpServletResponse response)
{
boolean result;
result = true;
//
return (result);
}
/**
*
*/
static public HttpServlet instanciateServlet(final String className)
{
HttpServlet result;
Class<HttpServlet> servletClass = null;
try
{
servletClass = (Class<HttpServlet>) Class.forName(className);
}
catch (java.lang.ClassNotFoundException exception)
{
result = null;
}
logger.info("class=" + servletClass);
if (servletClass == null)
{
result = null;
logger.error("Unknow page: (" + className + ")");
}
else
{
try
{
result = servletClass.newInstance();
}
catch (java.lang.InstantiationException exception)
{
logger.error("Can't instanciate servlet (" + className + ")");
result = null;
}
catch (java.lang.IllegalAccessException exception)
{
logger.error("(2) Can't instanciate servlet (" + className + ")");
result = null;
}
}
//
return (result);
}
/**
* Extract values from a path. Example: "/article-/123/doors/open.xhtml" =>
* "123", "doors" and "open".
*/
static public String[] longRewritedUrlParameters(final String path)
{
String[] result;
result = path.substring(path.indexOf("-/") + 2).split("/");
//
return (result);
}
/** /**
* Convert a path in a class name, using easy conventions. * Convert a path in a class name, using easy conventions.
* *
* "/" => "Index_xhtml" * "/" => "Index_xhtml" "/good/" => "good.Good_xhtml" "/good/morning.xhtml"
* "/good/" => "good.Good_xhtml" * => "good.Morning_xhtml" "/good/morning_girl.xhtml" =>
* "/good/morning.xhtml" => "good.Morning_xhtml" * "good.Morning_girl_xhtml" "/good/morning-123.xhtml" =>
* "/good/morning_girl.xhtml" => "good.Morning_girl_xhtml" * "good.Morning_xhtml" ('123' is detected as a parameter, it will be
* "/good/morning-123.xhtml" => "good.Morning_xhtml" ('123' is detected as a parameter, it will be decoded in the class called later). * decoded in the class called later). "/good/morning-/12/toto.jpg" =>
* "/good/morning-/12/toto.jpg" => "good.Morning" ('12' and 'toto.jpg" are detected as a parameter, they will be decoded in the class called later). * "good.Morning" ('12' and 'toto.jpg" are detected as a parameter, they
* will be decoded in the class called later).
*/ */
static public String pathInfoToClassName (String pathInfo) static public String pathInfoToClassName(final String pathInfo)
{ {
String result; String result;
@ -89,7 +284,7 @@ public class SimpleServletDispatcher extends HttpServlet
} }
else else
{ {
if ( pathInfo.equals ("/")) if (pathInfo.equals("/"))
{ {
result = "Index_xhtml"; result = "Index_xhtml";
} }
@ -103,31 +298,33 @@ public class SimpleServletDispatcher extends HttpServlet
String[] tokens = pathInfo.substring(0, keywordIndex).split("/"); String[] tokens = pathInfo.substring(0, keywordIndex).split("/");
StringList name = new StringList(); StringList name = new StringList();
// Note: as pathInfo starts always with a '/', the first good token index is 1. // Note: as pathInfo starts always with a '/', the first
for (int tokenCounter = 1; tokenCounter < tokens.length - 1; tokenCounter++) // good token index is 1.
for (int tokenCounter = 1; tokenCounter < (tokens.length - 1); tokenCounter++)
{ {
name.append (tokens[tokenCounter]); name.append(tokens[tokenCounter]);
name.append ('.'); name.append('.');
} }
String lastToken = tokens[tokens.length - 1]; String lastToken = tokens[tokens.length - 1];
name.append (lastToken.substring(0, 1).toUpperCase()).append (lastToken.substring(1).replace('.', '_')); name.append(lastToken.substring(0, 1).toUpperCase()).append(lastToken.substring(1).replace('.', '_'));
result = name.toString (); result = name.toString();
} }
else else
{ {
String[] tokens = pathInfo.split ("/"); String[] tokens = pathInfo.split("/");
StringList name = new StringList(); StringList name = new StringList();
// Note: as pathInfo starts always with a '/', the first good token index is 1. // Note: as pathInfo starts always with a '/', the first
for (int tokenCounter = 1; tokenCounter < tokens.length - 1; tokenCounter++) // good token index is 1.
for (int tokenCounter = 1; tokenCounter < (tokens.length - 1); tokenCounter++)
{ {
name.append (tokens[tokenCounter]); name.append(tokens[tokenCounter]);
name.append ('.'); name.append('.');
} }
String lastToken = tokens[tokens.length - 1]; String lastToken = tokens[tokens.length - 1];
if (pathInfo.endsWith ("/")) if (pathInfo.endsWith("/"))
{ {
name.append(lastToken).append(".").append(lastToken.substring(0, 1).toUpperCase()).append(lastToken.substring(1)).append("_xhtml"); name.append(lastToken).append(".").append(lastToken.substring(0, 1).toUpperCase()).append(lastToken.substring(1)).append("_xhtml");
} }
@ -137,30 +334,30 @@ public class SimpleServletDispatcher extends HttpServlet
if (matcher.matches()) if (matcher.matches())
{ {
// Short rewrited URL case. // Short rewrited URL case.
//logger.debug("group 1=[" + matcher.group(1) + "]"); // logger.debug("group 1=[" + matcher.group(1) +
// "]");
lastToken = matcher.group(1) + ".xhtml"; lastToken = matcher.group(1) + ".xhtml";
} }
name.append (lastToken.substring(0, 1).toUpperCase()).append (lastToken.substring(1).replace('.', '_')); name.append(lastToken.substring(0, 1).toUpperCase()).append(lastToken.substring(1).replace('.', '_'));
} }
result = name.toString (); result = name.toString();
logger.debug ("==>[" + tokens[tokens.length - 1] + "]"); logger.debug("==>[" + tokens[tokens.length - 1] + "]");
} }
} }
} }
logger.info ("[" + pathInfo + "] => [" + result + "]"); logger.info("[" + pathInfo + "] => [" + result + "]");
// //
return (result); return (result);
} }
/** /**
* *
*/ */
static public String pathInfoToClassName (String pathInfo, String prefix) static public String pathInfoToClassName(final String pathInfo, final String prefix)
{ {
String result; String result;
@ -183,90 +380,18 @@ public class SimpleServletDispatcher extends HttpServlet
return (result); return (result);
} }
/** /**
* *
*/ */
static public HttpServlet instanciateServlet (String className) static public void returnAttachmentFile(final HttpServletResponse response, final File file, final String mimeType) throws IOException
{
HttpServlet result;
Class<HttpServlet> servletClass = null;
try
{
servletClass = (Class<HttpServlet>) Class.forName (className);
}
catch (java.lang.ClassNotFoundException exception)
{
result = null;
}
logger.info ("class=" + servletClass);
if (servletClass == null)
{
result = null;
logger.error ("Unknow page: (" + className + ")");
}
else
{
try
{
result = servletClass.newInstance ();
}
catch (java.lang.InstantiationException exception)
{
logger.error ("Can't instanciate servlet (" + className + ")");
result = null;
}
catch (java.lang.IllegalAccessException exception)
{
logger.error ("(2) Can't instanciate servlet (" + className + ")");
result = null;
}
}
//
return (result);
}
/**
*
*/
public boolean isAuthorized(HttpServletRequest request, HttpServletResponse response)
{
boolean result;
result = true;
//
return(result);
}
/**
*
*/
static public void returnInlineFile(HttpServletResponse response, File file, String mimeType) throws IOException
{
returnFile(response, file, mimeType, false);
}
/**
*
*/
static public void returnAttachmentFile(HttpServletResponse response, File file, String mimeType) throws IOException
{ {
returnFile(response, file, mimeType, true); returnFile(response, file, mimeType, true);
} }
/** /**
* *
*/ */
static public void returnFile(HttpServletResponse response, File file, String mimeType, boolean isAttachment) throws IOException static public void returnFile(final HttpServletResponse response, final File file, final String mimeType, final boolean isAttachment) throws IOException
{ {
if ((file == null) || (!file.exists())) if ((file == null) || (!file.exists()))
@ -276,23 +401,25 @@ public class SimpleServletDispatcher extends HttpServlet
else else
{ {
/* /*
response.setContentType("application/" + extension); * response.setContentType("application/" + extension);
response.setContentLength((int) data.length); * response.setContentLength((int) data.length);
response.setHeader("Content-Disposition","attachment; filename=\"" + filename + "\""); * response.setHeader("Content-Disposition"
response.flushBuffer(); * ,"attachment; filename=\"" + filename + "\"");
* response.flushBuffer();
*/ */
response.reset(); response.reset();
response.setContentType(mimeType); response.setContentType(mimeType);
response.setContentLength((int) file.length()); response.setContentLength((int) file.length());
response.setHeader("Content-Disposition","inline; filename=\"" + file.getName()+ "\""); response.setHeader("Content-Disposition", "inline; filename=\"" + file.getName() + "\"");
response.flushBuffer(); response.flushBuffer();
ServletOutputStream out = response.getOutputStream(); ServletOutputStream out = response.getOutputStream();
FileInputStream in = null; FileInputStream in = null;
try // Only for the in. try
// Only for the in.
{ {
byte[] buffer = new byte[64*1024]; byte[] buffer = new byte[64 * 1024];
in = new FileInputStream(file); in = new FileInputStream(file);
boolean ended = false; boolean ended = false;
@ -326,114 +453,64 @@ public class SimpleServletDispatcher extends HttpServlet
} }
} }
/**
*
*/
static public void returnInlineFile(final HttpServletResponse response, final File file, final String mimeType) throws IOException
{
returnFile(response, file, mimeType, false);
}
/** /**
*
* *
*/ */
public void doIt (HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException static public String[] rewritedUrlParameters(final HttpServletRequest request)
{ {
logger.info ("=================================================="); String[] result;
logger.info ("getContextPath=[" + request.getContextPath () + "]");
logger.info ("getPathInfo=[" + request.getPathInfo () + "]");
logger.info ("getPathTranslated=[" + request.getPathTranslated () + "]");
logger.info ("getQueryString=[" + request.getQueryString () + "]");
logger.info ("getRequestURI=[" + request.getRequestURI () + "]");
logger.info ("getRequestURL=[" + request.getRequestURL () + "]");
logger.info ("getServletPath=[" + request.getServletPath () + "]");
result = longRewritedUrlParameters(request.getRequestURI());
// //
/* In past, possibility to use the servlet path was enable. It is too complexe, not kiss mind. return (result);
String path;
if (request.getPathInfo() == null)
{
// web.xml url-pattern= *.xhtml
path = request.getServletPath();
} }
else
{
// web.xml url-pattern = /*
path = request.getPathInfo();
}
*/
String path = request.getRequestURI();
if ((!path.endsWith("/")) && (!path.endsWith(".xhtml")) && (!path.contains("-/")))
{
path = getServletContext ().getRealPath("/") + request.getRequestURI();
returnInlineFile(response, new File(path), getServletContext().getMimeType(path));
logger.info("File returned directly [" + path + "] with mimetype [" + getServletContext().getMimeType(path) + "].");
}
else
{
String className = pathInfoToClassName (path, this.webclassesRootPath);
logger.info ("className=[" + className + "]");
HttpServlet servlet = instanciateServlet (className);
//servlet.getServletContext().setAttribute(arg0, arg1);
if (servlet == null)
{
response.setContentType ("text/html");
PrintWriter out = response.getWriter();
out.println ("<html><head></head><body>");
out.println ("Unknow page.");
out.println ("</body></html>");
out.close();
}
else if (isAuthorized(request, response))
{
servlet.init(this.getServletConfig());
servlet.service(request, response);
}
else
{
/*
* TODO
//
response.setContentType ("text/html");
PrintWriter out = response.getWriter();
out.println ("<html><head></head><body>");
out.println ("Not authorized page.");
out.println ("</body></html>");
*/
}
}
}
/** /**
* "Code can be shortest, speedest and memory smallest, but not the three in same time, only two", unknow citation. * This method gives a way for a long rewriting URL format. Long as in REST.
*
* Sometimes, URL has to be rewrited because we need to put parameter in the
* page name.
*
* Example: "/good/give_file?id=123&filename=foo.jpg" =>
* rewriteShorturl("/good/give_file", "123", "foo.jpg"); =>
* "/good/give_file-/123/foo.jpg"
*
* Note: "-/" is used to indicate the start of parameters.
* *
* Note: characters array avalaible here http://fr.wikipedia.org/wiki/Table_des_caract%C3%A8res_Unicode_%280000-0FFF%29
*/ */
static protected char NONE = (char) 0; static public String rewriteLongUrl(final String uri, final String... parameters)
static protected int[] rewritingParameterMapping =
{ {
/* 00 */ NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , String result;
/* 10 */ NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE ,
/* 20 */ '-' , NONE , NONE , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' , '-' ,
/* 30 */ '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , '8' , '9' , '-' , '-' , '-' , '-' , '-' , '-' ,
/* 40 */ '\u0040', 'a' , 'b' , 'c' , 'd' , 'e' , 'f' , 'g' , 'h' , 'i' , 'j' , 'k' , 'l' , 'm' , 'n' , 'o' ,
/* 50 */ 'p' , 'q' , 'r' , 's' , 't' , 'u' , 'v' , 'w' , 'x' , 'y' , 'z' , '-' , '-' , '-' , '-' , '-' ,
/* 60 */ '-' , '\u0061', '\u0062', '\u0063', '\u0064', '\u0065', '\u0066', '\u0067', '\u0068', '\u0069', '\u006A', '\u006B', '\u006C', '\u006D', '\u006E', '\u006F',
/* 70 */ '\u0070', '\u0071', '\u0072', '\u0073', '\u0074', '\u0075', '\u0076', '\u0077', '\u0078', '\u0079', '\u007A', '\u007B', '\u007C', '\u007D', '-' , '-' ,
/* 80 */ NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE ,
/* 90 */ NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE , NONE ,
/* A0 */ '\u00A0', '\u00A1', '\u00A2', '\u00A3', '\u00A4', '\u00A5', '\u00A6', '\u00A7', '\u00A8', '\u00A9', '\u00AA', '\u00AB', '\u00AC', '\u00AD', '\u00AE', '\u00AF',
/* B0 */ '-' , '\u00B1', '\u00B2', '\u00B3', '\u00B4', '\u00B5', '\u00B6', '\u00B7', '\u00B8', '\u00B9', '\u00BA', '\u00BB', '\u00BC', '\u00BD', '\u00BE', '\u00BF',
/* C0 */ 'a' , 'a' , 'a' , 'a' , 'a' , 'a' , 'a' , 'c' , 'e' , 'e' , 'e' , 'e' , 'i' , 'i' , 'i' , 'i' ,
/* D0 */ '\u00D0', '\u00D1', 'o' , 'o' , 'o' , 'o' , 'o' , 'o' , '\u00D8', 'u' , 'u' , 'u' , 'u' , 'y' , '\u00DE', '\u00DF',
/* E0 */ 'a' , 'a' , 'a' , 'a' , 'a' , 'a' , 'a' , 'c' , 'e' , 'e' , 'e' , 'e' , 'i' , 'i' , 'i' , 'i' ,
/* F0 */ 'o' , 'n' , 'o' , 'o' , 'o' , 'o' , 'o' , '\u00F7', '-' , 'u' , 'u' , 'u' , 'u' , 'y' , '-' , 'y'
};
StringList string = new StringList();
string.append(uri).append("-");
if ((parameters == null) || (parameters.length == 0))
{
string.append("/");
}
else
{
for (String parameter : parameters)
{
string.append("/").append(parameter);
}
}
result = string.toString();
//
return (result);
}
/** /**
* *
@ -441,7 +518,7 @@ public class SimpleServletDispatcher extends HttpServlet
* @param parameter * @param parameter
* @return * @return
*/ */
static String rewriteParameter (String parameter) static String rewriteParameter(final String parameter)
{ {
String result; String result;
@ -450,7 +527,8 @@ public class SimpleServletDispatcher extends HttpServlet
char previousCar = NONE; char previousCar = NONE;
for (int charIndex = 0; charIndex < parameter.length(); charIndex++) for (int charIndex = 0; charIndex < parameter.length(); charIndex++)
{ {
//logger.info("" + charIndex + " " + parameter.charAt(charIndex) + " " + (char) tab[parameter.charAt(charIndex)]); // logger.info("" + charIndex + " " + parameter.charAt(charIndex) +
// " " + (char) tab[parameter.charAt(charIndex)]);
char car = (char) rewritingParameterMapping[parameter.charAt(charIndex)]; char car = (char) rewritingParameterMapping[parameter.charAt(charIndex)];
if (car != NONE) if (car != NONE)
{ {
@ -473,18 +551,17 @@ public class SimpleServletDispatcher extends HttpServlet
return (result); return (result);
} }
/** /**
* This method gives a way for a short rewriting URL format. * This method gives a way for a short rewriting URL format.
* *
* Sometimes, URL has to be rewrited because we need to put parameter in the page name. * Sometimes, URL has to be rewrited because we need to put parameter in the
* page name.
* *
* Example: * Example: "/good/article.xhtm?id=123&class=today&title=story's about me"
* "/good/article.xhtm?id=123&class=today&title=story's about me"
* => rewriteShorturl("/good/article", "xhtml", "123", "Story's aboute me"); * => rewriteShorturl("/good/article", "xhtml", "123", "Story's aboute me");
* => "/good/article-123-today-story-s-about-me.xhtml" * => "/good/article-123-today-story-s-about-me.xhtml"
*/ */
static public String rewriteShortUrl(String uri, String extension, String... parameters) static public String rewriteShortUrl(final String uri, final String extension, final String... parameters)
{ {
String result; String result;
@ -494,8 +571,9 @@ public class SimpleServletDispatcher extends HttpServlet
for (String parameter : parameters) for (String parameter : parameters)
{ {
// Not use of String.replaceAll() method in goal to optimize Pattern compile action. // Not use of String.replaceAll() method in goal to optimize Pattern
//string.append("-").append(REWRITE_PARAMETER.matcher(parameter.toLowerCase()).replaceAll("-")); // compile action.
// string.append("-").append(REWRITE_PARAMETER.matcher(parameter.toLowerCase()).replaceAll("-"));
string.append("-").append(rewriteParameter(parameter)); string.append("-").append(rewriteParameter(parameter));
} }
@ -507,16 +585,61 @@ public class SimpleServletDispatcher extends HttpServlet
result = string.toString(); result = string.toString();
// //
return(result); return (result);
} }
/**
*
*/
static public String shortRewritedUrlParameter(final HttpServletRequest request)
{
String result;
result = shortRewritedUrlParameter(request.getRequestURI());
//
return (result);
}
/** /**
* Extract value from a path. * Return value of the first parameter.
* Example:
* "/article-123.xhtml" => "123".
*/ */
static public String[] shortRewritedUrlParameters(String path) static public String shortRewritedUrlParameter(final String path)
{
String result;
String[] results = shortRewritedUrlParameters(path);
if ((results == null) || (results.length == 0))
{
result = null;
}
else
{
result = results[0];
}
//
return (result);
}
/**
*
*/
static public String[] shortRewritedUrlParameters(final HttpServletRequest request)
{
String[] result;
result = shortRewritedUrlParameters(request.getRequestURI());
//
return (result);
}
/**
* Extract value from a path. Example: "/article-123.xhtml" => "123".
*/
static public String[] shortRewritedUrlParameters(final String path)
{ {
String[] result; String[] result;
@ -538,144 +661,6 @@ public class SimpleServletDispatcher extends HttpServlet
} }
// //
return(result); return (result);
}
/**
*
*/
static public String[] shortRewritedUrlParameters(HttpServletRequest request)
{
String[] result;
result = shortRewritedUrlParameters(request.getRequestURI());
//
return(result);
}
/**
* Return value of the first parameter.
*/
static public String shortRewritedUrlParameter(String path)
{
String result;
String[] results = shortRewritedUrlParameters(path);
if ((results == null) || (results.length == 0))
{
result = null;
}
else
{
result = results[0];
}
//
return(result);
}
/**
*
*/
static public String shortRewritedUrlParameter(HttpServletRequest request)
{
String result;
result = shortRewritedUrlParameter(request.getRequestURI());
//
return(result);
}
/**
* This method gives a way for a long rewriting URL format. Long as in REST.
*
* Sometimes, URL has to be rewrited because we need to put parameter in the page name.
*
* Example:
* "/good/give_file?id=123&filename=foo.jpg"
* => rewriteShorturl("/good/give_file", "123", "foo.jpg");
* => "/good/give_file-/123/foo.jpg"
*
* Note: "-/" is used to indicate the start of parameters.
*
*/
static public String rewriteLongUrl(String uri, String... parameters)
{
String result;
StringList string = new StringList();
string.append(uri).append("-");
if ((parameters == null) || (parameters.length == 0))
{
string.append("/");
}
else
{
for (String parameter : parameters)
{
string.append("/").append(parameter);
}
}
result = string.toString();
//
return(result);
}
/**
* Extract values from a path.
* Example:
* "/article-/123/doors/open.xhtml" => "123", "doors" and "open".
*/
static public String[] longRewritedUrlParameters(String path)
{
String[] result;
result = path.substring(path.indexOf("-/") + 2).split("/");
//
return(result);
}
/**
*
*/
static public String[] rewritedUrlParameters(HttpServletRequest request)
{
String[] result;
result = longRewritedUrlParameters(request.getRequestURI());
//
return(result);
}
/**
*
*/
public void doGet (HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
doIt (request, response);
}
/**
*
*/
public void doPost (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doIt (request, response);
} }
} }