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From ma...@apache.org
Subject svn commit: r731651 - in /tomcat/trunk/java/org/apache/jasper/compiler: ImplicitTagLibraryInfo.java JspUtil.java ParserController.java TagFileProcessor.java TagLibraryInfoImpl.java
Date Mon, 05 Jan 2009 19:20:11 GMT
Author: markt
Date: Mon Jan  5 11:20:11 2009
New Revision: 731651

URL: http://svn.apache.org/viewvc?rev=731651&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=46471
Use the URL of the JAR as well as the path within the JAR to identify a tag file to keep tag
file definitions unique.

Modified:
    tomcat/trunk/java/org/apache/jasper/compiler/ImplicitTagLibraryInfo.java
    tomcat/trunk/java/org/apache/jasper/compiler/JspUtil.java
    tomcat/trunk/java/org/apache/jasper/compiler/ParserController.java
    tomcat/trunk/java/org/apache/jasper/compiler/TagFileProcessor.java
    tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java

Modified: tomcat/trunk/java/org/apache/jasper/compiler/ImplicitTagLibraryInfo.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/ImplicitTagLibraryInfo.java?rev=731651&r1=731650&r2=731651&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/ImplicitTagLibraryInfo.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/ImplicitTagLibraryInfo.java Mon Jan  5 11:20:11
2009
@@ -194,6 +194,7 @@
                 tagInfo = TagFileProcessor.parseTagFileDirectives(pc,
                         shortName,
                         path,
+                        pc.getJspCompilationContext().getTagFileJarUrl(path),
                         this);
             } catch (JasperException je) {
                 throw new RuntimeException(je.toString(), je);

Modified: tomcat/trunk/java/org/apache/jasper/compiler/JspUtil.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/JspUtil.java?rev=731651&r1=731650&r2=731651&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/JspUtil.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/JspUtil.java Mon Jan  5 11:20:11 2009
@@ -26,7 +26,6 @@
 import java.util.jar.JarFile;
 import java.util.zip.ZipEntry;
 
-import org.apache.jasper.Constants;
 import org.apache.jasper.JasperException;
 import org.apache.jasper.JspCompilationContext;
 import org.xml.sax.Attributes;
@@ -818,9 +817,31 @@
      * 
      * @return Fully-qualified class name of the tag handler corresponding to
      *         the given tag file path
+     * 
+     * @deprecated Use {@link #getTagHandlerClassName(String, String,
+     *             ErrorDispatcher)
+     *             See https://issues.apache.org/bugzilla/show_bug.cgi?id=46471
      */
     public static String getTagHandlerClassName(String path, ErrorDispatcher err)
             throws JasperException {
+        return getTagHandlerClassName(path, null, err);
+    }
+    
+    /**
+     * Gets the fully-qualified class name of the tag handler corresponding to
+     * the given tag file path.
+     * 
+     * @param path
+     *            Tag file path
+     * @param err
+     *            Error dispatcher
+     * 
+     * @return Fully-qualified class name of the tag handler corresponding to
+     *         the given tag file path
+     */
+    public static String getTagHandlerClassName(String path, String urn,
+            ErrorDispatcher err) throws JasperException {
+
 
         String className = null;
         int begin = 0;
@@ -848,7 +869,7 @@
         } else {
             index = path.indexOf(META_INF_TAGS);
             if (index != -1) {
-                className = "org.apache.jsp.tag.meta.";
+                className = getClassNameBase(urn);
                 begin = index + META_INF_TAGS.length();
             } else {
                 err.jspError("jsp.error.tagfile.illegalPath", path);
@@ -860,6 +881,15 @@
         return className;
     }
 
+    private static String getClassNameBase(String urn) {
+        StringBuffer base = new StringBuffer("org.apache.jsp.tag.meta.");
+        if (urn != null) {
+            base.append(makeJavaPackage(urn));
+            base.append('.');
+        }
+        return base.toString();
+    }
+
     /**
      * Converts the given path to a Java package or fully-qualified class name
      * 

Modified: tomcat/trunk/java/org/apache/jasper/compiler/ParserController.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/ParserController.java?rev=731651&r1=731650&r2=731651&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/ParserController.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/ParserController.java Mon Jan  5 11:20:11
2009
@@ -144,15 +144,31 @@
      * This is invoked by the compiler 
      *
      * @param inFileName The name of the tag file to be parsed.
+     * @deprecated Use {@link #parseTagFileDirectives(String, URL)}
+     *             See https://issues.apache.org/bugzilla/show_bug.cgi?id=46471
      */
     public Node.Nodes parseTagFileDirectives(String inFileName)
     throws FileNotFoundException, JasperException, IOException {
+        return parseTagFileDirectives(
+                inFileName, ctxt.getTagFileJarUrl(inFileName));
+    }
+
+    /**
+     * Extracts tag file directive information from the given tag file.
+     *
+     * This is invoked by the compiler 
+     *
+     * @param inFileName    The name of the tag file to be parsed.
+     * @param tagFileJarUrl The location of the tag file.
+     */
+    public Node.Nodes parseTagFileDirectives(String inFileName,
+            URL tagFileJarUrl)
+            throws FileNotFoundException, JasperException, IOException {
         boolean isTagFileSave = isTagFile;
         boolean directiveOnlySave = directiveOnly;
         isTagFile = true;
         directiveOnly = true;
-        Node.Nodes page = doParse(inFileName, null,
-                ctxt.getTagFileJarUrl(inFileName));
+        Node.Nodes page = doParse(inFileName, null, tagFileJarUrl);
         directiveOnly = directiveOnlySave;
         isTagFile = isTagFileSave;
         return page;

Modified: tomcat/trunk/java/org/apache/jasper/compiler/TagFileProcessor.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/TagFileProcessor.java?rev=731651&r1=731650&r2=731651&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/TagFileProcessor.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/TagFileProcessor.java Mon Jan  5 11:20:11
2009
@@ -19,6 +19,8 @@
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.Iterator;
 import java.util.Vector;
@@ -380,7 +382,8 @@
                 bodycontent = TagInfo.BODY_CONTENT_SCRIPTLESS;
             }
 
-            String tagClassName = JspUtil.getTagHandlerClassName(path, err);
+            String tagClassName = JspUtil.getTagHandlerClassName(
+                    path, tagLibInfo.getReliableURN(), err);
 
             TagVariableInfo[] tagVariableInfos = new TagVariableInfo[variableVector
                     .size()];
@@ -502,16 +505,46 @@
      * @param tagLibInfo
      *            the TagLibraryInfo object associated with this TagInfo
      * @return a TagInfo object assembled from the directives in the tag file.
+     * @deprecated Use {@link TagFileProcessor#parseTagFileDirectives(
+     *                  ParserController, String, String, URL, TagLibraryInfo)}
+     *             See https://issues.apache.org/bugzilla/show_bug.cgi?id=46471
      */
     public static TagInfo parseTagFileDirectives(ParserController pc,
             String name, String path, TagLibraryInfo tagLibInfo)
             throws JasperException {
+        return parseTagFileDirectives(pc, name, path,
+                pc.getJspCompilationContext().getTagFileJarUrl(path),
+                tagLibInfo);
+    }
+    
+    /**
+     * Parses the tag file, and collects information on the directives included
+     * in it. The method is used to obtain the info on the tag file, when the
+     * handler that it represents is referenced. The tag file is not compiled
+     * here.
+     * 
+     * @param pc
+     *            the current ParserController used in this compilation
+     * @param name
+     *            the tag name as specified in the TLD
+     * @param tagfile
+     *            the path for the tagfile
+     * @param tagFileJarUrl
+     *            the url for the Jar containign the tag file 
+     * @param tagLibInfo
+     *            the TagLibraryInfo object associated with this TagInfo
+     * @return a TagInfo object assembled from the directives in the tag file.
+     */
+    public static TagInfo parseTagFileDirectives(ParserController pc,
+            String name, String path, URL tagFileJarUrl, TagLibraryInfo tagLibInfo)
+            throws JasperException {
+
 
         ErrorDispatcher err = pc.getCompiler().getErrorDispatcher();
 
         Node.Nodes page = null;
         try {
-            page = pc.parseTagFileDirectives(path);
+            page = pc.parseTagFileDirectives(path, tagFileJarUrl);
         } catch (FileNotFoundException e) {
             err.jspError("jsp.error.file.not.found", path);
         } catch (IOException e) {
@@ -532,16 +565,33 @@
     private Class<?> loadTagFile(Compiler compiler, String tagFilePath,
             TagInfo tagInfo, PageInfo parentPageInfo) throws JasperException {
 
+        URL tagFileJarUrl = null;
+        if (tagFilePath.startsWith("/META-INF/")) {
+            try { 
+                tagFileJarUrl = new URL("jar:" +
+                        compiler.getCompilationContext().getTldLocation(
+                        tagInfo.getTagLibrary().getURI())[0] + "!/");
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+            }
+        }
+        String tagFileJarPath;
+        if (tagFileJarUrl == null) {
+            tagFileJarPath = "";
+        } else {
+            tagFileJarPath = tagFileJarUrl.toString();
+        }
+
         JspCompilationContext ctxt = compiler.getCompilationContext();
         JspRuntimeContext rctxt = ctxt.getRuntimeContext();
-        JspServletWrapper wrapper = rctxt.getWrapper(tagFilePath);
+        JspServletWrapper wrapper = rctxt.getWrapper(tagFileJarPath + tagFilePath);
 
         synchronized (rctxt) {
             if (wrapper == null) {
                 wrapper = new JspServletWrapper(ctxt.getServletContext(), ctxt
                         .getOptions(), tagFilePath, tagInfo, ctxt
-                        .getRuntimeContext(), ctxt.getTagFileJarUrl(tagFilePath));
-                rctxt.addWrapper(tagFilePath, wrapper);
+                        .getRuntimeContext(), tagFileJarUrl);
+                rctxt.addWrapper(tagFileJarPath + tagFilePath, wrapper);
 
                 // Use same classloader and classpath for compiling tag files
                 wrapper.getJspEngineContext().setClassLoader(

Modified: tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java?rev=731651&r1=731650&r2=731651&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java Mon Jan  5 11:20:11
2009
@@ -478,13 +478,16 @@
 
         if (path.startsWith("/META-INF/tags")) {
             // Tag file packaged in JAR
+            // See https://issues.apache.org/bugzilla/show_bug.cgi?id=46471
+            // This needs to be removed once all the broken code that depends on
+            // it has been removed
             ctxt.setTagFileJarUrl(path, jarFileUrl);
         } else if (!path.startsWith("/WEB-INF/tags")) {
             err.jspError("jsp.error.tagfile.illegalPath", path);
         }
 
         TagInfo tagInfo = TagFileProcessor.parseTagFileDirectives(
-                parserController, name, path, this);
+                parserController, name, path, jarFileUrl, this);
         return new TagFileInfo(name, path, tagInfo);
     }
 
@@ -686,7 +689,7 @@
             } else if ("param-value".equals(tname)) {
                 initParam[1] = element.getBody();
             } else if ("description".equals(tname)) {
-                ; // Do nothing
+                 // Do nothing
             } else {
                 if (log.isWarnEnabled()) {
                     log.warn(Localizer.getMessage(



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