Author: markt
Date: Sun Aug 26 22:49:30 2012
New Revision: 1377539

URL: http://svn.apache.org/viewvc?rev=1377539&view=rev
Log:
Revert r1377511

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/JspConfig.java
    tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TldLocationsCache.java
    tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/WebXml.java
    tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
  Reverse-merged /tomcat/trunk:r1377509

Modified: tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/JspConfig.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/JspConfig.java?rev=1377539&r1=1377538&r2=1377539&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/JspConfig.java 
(original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/JspConfig.java Sun Aug 
26 22:49:30 2012
@@ -17,14 +17,14 @@
 
 package org.apache.jasper.compiler;
 
-import java.util.Collection;
 import java.util.Iterator;
 import java.util.Vector;
 
 import javax.servlet.ServletContext;
-import javax.servlet.descriptor.JspConfigDescriptor;
-import javax.servlet.descriptor.JspPropertyGroupDescriptor;
 
+import org.apache.jasper.JasperException;
+import org.apache.jasper.xmlparser.ParserUtils;
+import org.apache.jasper.xmlparser.TreeNode;
 import org.apache.juli.logging.Log;
 import org.apache.juli.logging.LogFactory;
 
@@ -59,105 +59,171 @@ public class JspConfig {
         this.ctxt = ctxt;
     }
 
-    private void processWebDotXml() {
-
-        // Very, very unlikely but just in case...
-        if (ctxt.getMajorVersion() < 2) {
-            defaultIsELIgnored = "true";
-            defaultDeferedSyntaxAllowedAsLiteral = "true";
-            return;
+    private double getVersion(TreeNode webApp) {
+        String v = webApp.findAttribute("version");
+        if (v != null) {
+            try {
+                return Double.parseDouble(v);
+            } catch (NumberFormatException e) {
+            }
         }
-        if (ctxt.getMajorVersion() == 2) {
-            if (ctxt.getMinorVersion() < 5) {
-                defaultDeferedSyntaxAllowedAsLiteral = "true";
+        return 2.3;
+    }
+
+    private void processWebDotXml() throws JasperException {
+
+        WebXml webXml = null;
+
+        try {
+            webXml = new WebXml(ctxt);
+            
+            TreeNode webApp = null;
+            if (webXml.getInputSource() != null) {
+                ParserUtils pu = new ParserUtils();
+                webApp = pu.parseXMLDocument(webXml.getSystemId(),
+                        webXml.getInputSource());
             }
-            if (ctxt.getMinorVersion() < 4) {
+
+            if (webApp == null
+                    || getVersion(webApp) < 2.4) {
                 defaultIsELIgnored = "true";
+                defaultDeferedSyntaxAllowedAsLiteral = "true";
+                return;
+            }
+            if (getVersion(webApp) < 2.5) {
+                defaultDeferedSyntaxAllowedAsLiteral = "true";
+            }
+            TreeNode jspConfig = webApp.findChild("jsp-config");
+            if (jspConfig == null) {
                 return;
             }
-        }
-
-        JspConfigDescriptor jspConfig = ctxt.getJspConfigDescriptor();
-
-        Collection<JspPropertyGroupDescriptor> jspPropertyGroups =
-                jspConfig.getJspPropertyGroups();
 
-        for (JspPropertyGroupDescriptor jspPropertyGroup : jspPropertyGroups) {
+            jspProperties = new Vector<JspPropertyGroup>();
+            Iterator<TreeNode> jspPropertyList =
+                jspConfig.findChildren("jsp-property-group");
+            while (jspPropertyList.hasNext()) {
+
+                TreeNode element = jspPropertyList.next();
+                Iterator<TreeNode> list = element.findChildren();
+
+                Vector<String> urlPatterns = new Vector<String>();
+                String pageEncoding = null;
+                String scriptingInvalid = null;
+                String elIgnored = null;
+                String isXml = null;
+                Vector<String> includePrelude = new Vector<String>();
+                Vector<String> includeCoda = new Vector<String>();
+                String deferredSyntaxAllowedAsLiteral = null;
+                String trimDirectiveWhitespaces = null;
+                String defaultContentType = null;
+                String buffer = null;
+                String errorOnUndeclaredNamespace = null;
+
+                while (list.hasNext()) {
+
+                    element = list.next();
+                    String tname = element.getName();
+
+                    if ("url-pattern".equals(tname))
+                        urlPatterns.addElement( element.getBody() );
+                    else if ("page-encoding".equals(tname))
+                        pageEncoding = element.getBody();
+                    else if ("is-xml".equals(tname))
+                        isXml = element.getBody();
+                    else if ("el-ignored".equals(tname))
+                        elIgnored = element.getBody();
+                    else if ("scripting-invalid".equals(tname))
+                        scriptingInvalid = element.getBody();
+                    else if ("include-prelude".equals(tname))
+                        includePrelude.addElement(element.getBody());
+                    else if ("include-coda".equals(tname))
+                        includeCoda.addElement(element.getBody());
+                    else if 
("deferred-syntax-allowed-as-literal".equals(tname))
+                        deferredSyntaxAllowedAsLiteral = element.getBody();
+                    else if ("trim-directive-whitespaces".equals(tname))
+                        trimDirectiveWhitespaces = element.getBody();
+                    else if ("default-content-type".equals(tname))
+                        defaultContentType = element.getBody();
+                    else if ("buffer".equals(tname))
+                        buffer = element.getBody();
+                    else if ("error-on-undeclared-namespace".equals(tname))
+                        errorOnUndeclaredNamespace = element.getBody();
+                }
 
-            Collection<String> urlPatterns = jspPropertyGroup.getUrlPatterns();
+                if (urlPatterns.size() == 0) {
+                    continue;
+                }
 
-            if (urlPatterns.size() == 0) {
-                continue;
-            }
-
-            // Add one JspPropertyGroup for each URL Pattern.  This makes
-            // the matching logic easier.
-            for (String urlPattern : urlPatterns) {
-                String path = null;
-                String extension = null;
-
-                if (urlPattern.indexOf('*') < 0) {
-                    // Exact match
-                    path = urlPattern;
-                } else {
-                    int i = urlPattern.lastIndexOf('/');
-                    String file;
-                    if (i >= 0) {
-                        path = urlPattern.substring(0,i+1);
-                        file = urlPattern.substring(i+1);
+                // Add one JspPropertyGroup for each URL Pattern.  This makes
+                // the matching logic easier.
+                for( int p = 0; p < urlPatterns.size(); p++ ) {
+                    String urlPattern = urlPatterns.elementAt( p );
+                    String path = null;
+                    String extension = null;
+
+                    if (urlPattern.indexOf('*') < 0) {
+                        // Exact match
+                        path = urlPattern;
                     } else {
-                        file = urlPattern;
-                    }
+                        int i = urlPattern.lastIndexOf('/');
+                        String file;
+                        if (i >= 0) {
+                            path = urlPattern.substring(0,i+1);
+                            file = urlPattern.substring(i+1);
+                        } else {
+                            file = urlPattern;
+                        }
 
-                    // pattern must be "*", or of the form "*.jsp"
-                    if (file.equals("*")) {
-                        extension = "*";
-                    } else if (file.startsWith("*.")) {
-                        extension = file.substring(file.indexOf('.')+1);
-                    }
+                        // pattern must be "*", or of the form "*.jsp"
+                        if (file.equals("*")) {
+                            extension = "*";
+                        } else if (file.startsWith("*.")) {
+                            extension = file.substring(file.indexOf('.')+1);
+                        }
 
-                    // The url patterns are reconstructed as the following:
-                    // path != null, extension == null:  / or /foo/bar.ext
-                    // path == null, extension != null:  *.ext
-                    // path != null, extension == "*":   /foo/*
-                    boolean isStar = "*".equals(extension);
-                    if ((path == null && (extension == null || isStar))
-                            || (path != null && !isStar)) {
-                        if (log.isWarnEnabled()) {
-                            log.warn(Localizer.getMessage(
-                                    "jsp.warning.bad.urlpattern.propertygroup",
-                                    urlPattern));
+                        // The url patterns are reconstructed as the following:
+                        // path != null, extension == null:  / or /foo/bar.ext
+                        // path == null, extension != null:  *.ext
+                        // path != null, extension == "*":   /foo/*
+                        boolean isStar = "*".equals(extension);
+                        if ((path == null && (extension == null || isStar))
+                                || (path != null && !isStar)) {
+                            if (log.isWarnEnabled()) {
+                                log.warn(Localizer.getMessage(
+                                        
"jsp.warning.bad.urlpattern.propertygroup",
+                                        urlPattern));
+                            }
+                            continue;
                         }
-                        continue;
                     }
-                }
-
-                Vector<String> includePreludes = new Vector<String>();
-                includePreludes.addAll(jspPropertyGroup.getIncludePreludes());
 
-                Vector<String> includeCodas = new Vector<String>();
-                includeCodas.addAll(jspPropertyGroup.getIncludeCodas());
+                    JspProperty property = new JspProperty(isXml,
+                            elIgnored,
+                            scriptingInvalid,
+                            pageEncoding,
+                            includePrelude,
+                            includeCoda,
+                            deferredSyntaxAllowedAsLiteral,
+                            trimDirectiveWhitespaces,
+                            defaultContentType,
+                            buffer,
+                            errorOnUndeclaredNamespace);
+                    JspPropertyGroup propertyGroup =
+                        new JspPropertyGroup(path, extension, property);
 
-                JspProperty property = new 
JspProperty(jspPropertyGroup.getIsXml(),
-                        jspPropertyGroup.getElIgnored(),
-                        jspPropertyGroup.getScriptingInvalid(),
-                        jspPropertyGroup.getPageEncoding(),
-                        includePreludes,
-                        includeCodas,
-                        jspPropertyGroup.getDeferredSyntaxAllowedAsLiteral(),
-                        jspPropertyGroup.getTrimDirectiveWhitespaces(),
-                        jspPropertyGroup.getDefaultContentType(),
-                        jspPropertyGroup.getBuffer(),
-                        jspPropertyGroup.getErrorOnUndeclaredNamespace());
-                JspPropertyGroup propertyGroup =
-                    new JspPropertyGroup(path, extension, property);
-
-                jspProperties.addElement(propertyGroup);
+                    jspProperties.addElement(propertyGroup);
+                }
+            }
+        } catch (Exception ex) {
+            throw new JasperException(ex);
+        } finally {
+            if (webXml != null) {
+                webXml.close();
             }
         }
     }
 
-    private void init() {
+    private void init() throws JasperException {
 
         if (!initialized) {
             synchronized (this) {
@@ -219,7 +285,7 @@ public class JspConfig {
      * @param uri the resource supplied.
      * @return a JspProperty indicating the best match, or some default.
      */
-    public JspProperty findJspProperty(String uri) {
+    public JspProperty findJspProperty(String uri) throws JasperException {
 
         init();
 
@@ -382,7 +448,7 @@ public class JspConfig {
      * To find out if an uri matches an url pattern in jsp config.  If so,
      * then the uri is a JSP page.  This is used primarily for jspc.
      */
-    public boolean isJspPage(String uri) {
+    public boolean isJspPage(String uri) throws JasperException {
 
         init();
         if (jspProperties == null) {

Modified: 
tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TldLocationsCache.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TldLocationsCache.java?rev=1377539&r1=1377538&r2=1377539&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TldLocationsCache.java 
(original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TldLocationsCache.java 
Sun Aug 26 22:49:30 2012
@@ -22,7 +22,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.JarURLConnection;
 import java.net.URL;
-import java.util.Collection;
 import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -30,8 +29,6 @@ import java.util.Set;
 import java.util.StringTokenizer;
 
 import javax.servlet.ServletContext;
-import javax.servlet.descriptor.JspConfigDescriptor;
-import javax.servlet.descriptor.TaglibDescriptor;
 
 import org.apache.jasper.Constants;
 import org.apache.jasper.JasperException;
@@ -154,10 +151,10 @@ public class TldLocationsCache {
      *    [0] The location
      *    [1] If the location is a jar file, this is the location of the tld.
      */
-    private final Hashtable<String, TldLocation> mappings;
+    private Hashtable<String, TldLocation> mappings;
 
     private volatile boolean initialized;
-    private final ServletContext ctxt;
+    private ServletContext ctxt;
 
     /** Constructor.
      *
@@ -276,34 +273,60 @@ public class TldLocationsCache {
     /*
      * Populates taglib map described in web.xml.
      * 
-     * This is not kept in sync with o.a.c.startup.TldConfig as a) Jasper only
-     * needs the URI to TLD mappings and b) Jasper can obtain the information
-     * from the ServletContext.
+     * This is not kept in sync with o.a.c.startup.TldConfig as the Jasper only
+     * needs the URI to TLD mappings from scan web.xml whereas TldConfig needs
+     * to scan the actual TLD files.
      */    
     private void tldScanWebXml() throws Exception {
 
-        JspConfigDescriptor jspConfig = ctxt.getJspConfigDescriptor();
-
-        Collection<TaglibDescriptor> taglibs = jspConfig.getTaglibs();
-
-        for (TaglibDescriptor taglib : taglibs) {
-
-            String tagUri = taglib.getTaglibURI();
-            String tagLoc = taglib.getTaglibLocation();
+        WebXml webXml = null;
+        try {
+            webXml = new WebXml(ctxt);
+            if (webXml.getInputSource() == null) {
+                return;
+            }
+
+            // Parse the web application deployment descriptor
+            TreeNode webtld = null;
+            webtld = new ParserUtils().parseXMLDocument(webXml.getSystemId(),
+                    webXml.getInputSource());
+
+            // Allow taglib to be an element of the root or jsp-config (JSP2.0)
+            TreeNode jspConfig = webtld.findChild("jsp-config");
+            if (jspConfig != null) {
+                webtld = jspConfig;
+            }
+            Iterator<TreeNode> taglibs = webtld.findChildren("taglib");
+            while (taglibs.hasNext()) {
+
+                // Parse the next <taglib> element
+                TreeNode taglib = taglibs.next();
+                String tagUri = null;
+                String tagLoc = null;
+                TreeNode child = taglib.findChild("taglib-uri");
+                if (child != null)
+                    tagUri = child.getBody();
+                child = taglib.findChild("taglib-location");
+                if (child != null)
+                    tagLoc = child.getBody();
 
-            // Save this location if appropriate
-            if (tagLoc == null)
-                continue;
-            if (uriType(tagLoc) == NOROOT_REL_URI)
-                tagLoc = "/WEB-INF/" + tagLoc;
-            TldLocation location;
-            if (tagLoc.endsWith(JAR_EXT)) {
-                location = new TldLocation("META-INF/taglib.tld",
-                        ctxt.getResource(tagLoc).toString());
-            } else {
-                location = new TldLocation(tagLoc);
+                // Save this location if appropriate
+                if (tagLoc == null)
+                    continue;
+                if (uriType(tagLoc) == NOROOT_REL_URI)
+                    tagLoc = "/WEB-INF/" + tagLoc;
+                TldLocation location;
+                if (tagLoc.endsWith(JAR_EXT)) {
+                    location = new TldLocation("META-INF/taglib.tld", 
ctxt.getResource(tagLoc).toString());
+                } else {
+                    location = new TldLocation(tagLoc);
+                }
+                mappings.put(tagUri, location);
+            }
+        } finally {
+            if (webXml != null) {
+                webXml.close();
             }
-            mappings.put(tagUri, location);
         }
     }
 

Modified: tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/WebXml.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/WebXml.java?rev=1377539&r1=1377538&r2=1377539&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/WebXml.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/WebXml.java Sun Aug 26 
22:49:30 2012
@@ -39,10 +39,7 @@ import org.xml.sax.InputSource;
  * annotations with the main web.xml
  * 
  * Clients *must* ensure that they call {@link #close()} to clean up 
resources. 
- *
- * @deprecated  Unused - will be removed in Tomcat 8.0.x
  */
-@Deprecated
 public class WebXml {
     private static final String FILE_PROTOCOL = "file:";
     private static final String WEB_XML = "/WEB-INF/web.xml";

Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1377539&r1=1377538&r2=1377539&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Sun Aug 26 22:49:30 2012
@@ -204,10 +204,6 @@
         <bug>53654</bug>: Support <code>file://</code> URLs for JSP
         dependencies. Patch provided by Viola Lu. (markt)
       </fix>
-      <fix>
-        <bug>53737</bug>: Access JSP configuration information from web.xml via
-        the <code>ServletContext</code> rather than re-parsing web.xml. (markt)
-      </fix>
     </changelog>
   </subsection>
   <subsection name="Cluster">



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