Author: markt
Date: Thu Nov 14 16:26:31 2013
New Revision: 1541955
URL: http://svn.apache.org/r1541955
Log:
Use cached result of parsing TLDs rather than re-parsing.
Modified:
tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java
tomcat/trunk/java/org/apache/jasper/compiler/TldCache.java
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=1541955&r1=1541954&r2=1541955&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java
(original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/TagLibraryInfoImpl.java Thu
Nov 14 16:26:31 2013
@@ -16,22 +16,18 @@
*/
package org.apache.jasper.compiler;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
import java.io.IOException;
-import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
-import java.net.URI;
-import java.net.URISyntaxException;
import java.net.URL;
+import java.util.ArrayList;
import java.util.Collection;
-import java.util.Enumeration;
+import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
+import java.util.List;
import java.util.Map;
-import java.util.Vector;
+import java.util.Set;
import javax.servlet.jsp.tagext.FunctionInfo;
import javax.servlet.jsp.tagext.PageData;
@@ -47,11 +43,14 @@ import javax.servlet.jsp.tagext.Variable
import org.apache.jasper.JasperException;
import org.apache.jasper.JspCompilationContext;
-import org.apache.jasper.xmlparser.ParserUtils;
import org.apache.jasper.xmlparser.TreeNode;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
+import org.apache.tomcat.util.descriptor.tld.TagFileXml;
+import org.apache.tomcat.util.descriptor.tld.TagXml;
+import org.apache.tomcat.util.descriptor.tld.TaglibXml;
import org.apache.tomcat.util.descriptor.tld.TldResourcePath;
+import org.apache.tomcat.util.descriptor.tld.ValidatorXml;
import org.apache.tomcat.util.scan.Jar;
/**
@@ -108,40 +107,6 @@ class TagLibraryInfoImpl extends TagLibr
return sw.toString();
}
- // XXX FIXME
- // resolveRelativeUri and/or getResourceAsStream don't seem to properly
- // handle relative paths when dealing when home and getDocBase are set
- // the following is a workaround until these problems are resolved.
- private InputStream getResourceAsStream(String uriAsString)
- throws FileNotFoundException {
- // Is uri absolute?
- if (uriAsString.startsWith("file:")) {
- URI uri;
- try {
- uri = new URI(uriAsString);
- } catch (URISyntaxException e) {
- FileNotFoundException fnfe = new
FileNotFoundException(e.getMessage());
- fnfe.initCause(e);
- throw fnfe;
- }
- return new FileInputStream(new File(uri));
- } else {
- try {
- // see if file exists on the filesystem
- String real = ctxt.getRealPath(uriAsString);
- if (real == null) {
- return ctxt.getResourceAsStream(uriAsString);
- } else {
- return new FileInputStream(real);
- }
- } catch (FileNotFoundException ex) {
- // if file not found on filesystem, get the resource through
- // the context
- return ctxt.getResourceAsStream(uriAsString);
- }
- }
- }
-
/**
* Constructor.
*/
@@ -162,16 +127,16 @@ class TagLibraryInfoImpl extends TagLibr
tldResourcePath = generateTldResourcePath(uri, ctxt);
}
+ Jar jar;
+ try {
+ jar = tldResourcePath.getJar();
+ } catch (IOException ioe) {
+ throw new JasperException(ioe);
+ }
+ // Add the dependencies on the TLD to the referencing page
PageInfo pageInfo = ctxt.createCompiler().getPageInfo();
if (pageInfo != null) {
- Jar jar;
- try {
- jar = tldResourcePath.getJar();
- } catch (IOException ioe) {
- throw new JasperException(ioe);
- }
-
String path = tldResourcePath.getWebappPath();
// Add TLD (jar==null) / JAR (jar!=null) file to dependency list
pageInfo.addDependant(path, ctxt.getLastModified(path));
@@ -186,76 +151,38 @@ class TagLibraryInfoImpl extends TagLibr
}
}
}
- }
-
- /*
- * @param ctxt The JSP compilation context @param uri The TLD's uri @param
- * in The TLD's input stream @param jarFileUrl The JAR file containing the
- * TLD, or null if the tag library is not packaged in a JAR
- */
- private void parseTLD(String uri, InputStream in, Jar jar)
- throws JasperException {
- Vector<TagInfo> tagVector = new Vector<>();
- Vector<TagFileInfo> tagFileVector = new Vector<>();
- Hashtable<String, FunctionInfo> functionTable = new Hashtable<>();
-
- // Create an iterator over the child elements of our <taglib> element
- ParserUtils pu = new ParserUtils();
- TreeNode tld = pu.parseXMLDocument(uri, in);
-
- // Check to see if the <taglib> root element contains a 'version'
- // attribute, which was added in JSP 2.0 to replace the <jsp-version>
- // subelement
- this.jspversion = tld.findAttribute("version");
-
- // Process each child element of our <taglib> element
- Iterator<TreeNode> list = tld.findChildren();
- while (list.hasNext()) {
- TreeNode element = list.next();
- String tname = element.getName();
-
- if ("tlibversion".equals(tname) // JSP 1.1
- || "tlib-version".equals(tname)) { // JSP 1.2
- this.tlibversion = element.getBody();
- } else if ("jspversion".equals(tname)
- || "jsp-version".equals(tname)) {
- this.jspversion = element.getBody();
- } else if ("shortname".equals(tname) || "short-name".equals(tname))
- this.shortname = element.getBody();
- else if ("uri".equals(tname))
- this.urn = element.getBody();
- else if ("info".equals(tname) || "description".equals(tname))
- this.info = element.getBody();
- else if ("validator".equals(tname))
- this.tagLibraryValidator = createValidator(element);
- else if ("tag".equals(tname))
- tagVector.addElement(createTagInfo(element, jspversion));
- else if ("tag-file".equals(tname)) {
- TagFileInfo tagFileInfo = createTagFileInfo(element, jar);
- tagFileVector.addElement(tagFileInfo);
- } else if ("function".equals(tname)) { // JSP2.0
- FunctionInfo funcInfo = createFunctionInfo(element);
- String funcName = funcInfo.getName();
- if (functionTable.containsKey(funcName)) {
- err.jspError("jsp.error.tld.fn.duplicate.name", funcName,
- uri);
-
- }
- functionTable.put(funcName, funcInfo);
- } else if ("display-name".equals(tname) ||
- "small-icon".equals(tname) || "large-icon".equals(tname)
- || "listener".equals(tname)) {
- // Ignored elements
- } else if ("taglib-extension".equals(tname)) {
- // Recognized but ignored
- } else {
- if (log.isWarnEnabled()) {
- log.warn(Localizer.getMessage(
- "jsp.warning.unknown.element.in.taglib", tname));
- }
+ // Get the representation of the TLD
+ TaglibXml taglibXml =
+ ctxt.getOptions().getTldCache().getTaglibXml(tldResourcePath);
+
+ // Populate the TagLibraryInfo attributes
+ this.jspversion = taglibXml.getJspVersion();
+ this.tlibversion = taglibXml.getTlibVersion();
+ this.shortname = taglibXml.getShortName();
+ this.urn = taglibXml.getUri();
+ this.info = taglibXml.getInfo();
+
+ this.tagLibraryValidator = createValidator(taglibXml.getValidator());
+
+ List<TagInfo> tagInfos = new ArrayList<>();
+ for (TagXml tagXml : taglibXml.getTags()) {
+ tagInfos.add(createTagInfo(tagXml));
+ }
+
+ List<TagFileInfo> tagFileInfos = new ArrayList<>();
+ for (TagFileXml tagFileXml : taglibXml.getTagFiles()) {
+ tagFileInfos.add(createTagFileInfo(tagFileXml, jar));
+ }
+
+ Set<String> names = new HashSet<>();
+ List<FunctionInfo> functionInfos = taglibXml.getFunctions();
+ // TODO Move this validation to the parsing stage
+ for (FunctionInfo functionInfo : functionInfos) {
+ String name = functionInfo.getName();
+ if (!names.add(name)) {
+ err.jspError("jsp.error.tld.fn.duplicate.name", name, uri);
}
-
}
if (tlibversion == null) {
@@ -267,18 +194,9 @@ class TagLibraryInfoImpl extends TagLibr
"jsp-version", uri);
}
- this.tags = new TagInfo[tagVector.size()];
- tagVector.copyInto(this.tags);
-
- this.tagFiles = new TagFileInfo[tagFileVector.size()];
- tagFileVector.copyInto(this.tagFiles);
-
- this.functions = new FunctionInfo[functionTable.size()];
- int i = 0;
- Enumeration<FunctionInfo> enumeration = functionTable.elements();
- while (enumeration.hasMoreElements()) {
- this.functions[i++] = enumeration.nextElement();
- }
+ this.tags = tagInfos.toArray(new TagInfo[tagInfos.size()]);
+ this.tagFiles = tagFileInfos.toArray(new
TagFileInfo[tagFileInfos.size()]);
+ this.functions = functionInfos.toArray(new
FunctionInfo[functionInfos.size()]);
}
@Override
@@ -323,78 +241,9 @@ class TagLibraryInfoImpl extends TagLibr
}
}
- private TagInfo createTagInfo(TreeNode elem, String jspVersion)
- throws JasperException {
-
- String tagName = null;
- String tagClassName = null;
- String teiClassName = null;
-
- /*
- * Default body content for JSP 1.2 tag handlers (<body-content> has
- * become mandatory in JSP 2.0, because the default would be invalid
for
- * simple tag handlers)
- */
- String bodycontent = "JSP";
-
- String info = null;
- String displayName = null;
- String smallIcon = null;
- String largeIcon = null;
- boolean dynamicAttributes = false;
-
- Vector<TagAttributeInfo> attributeVector = new Vector<>();
- Vector<TagVariableInfo> variableVector = new Vector<>();
- Iterator<TreeNode> list = elem.findChildren();
- while (list.hasNext()) {
- TreeNode element = list.next();
- String tname = element.getName();
-
- if ("name".equals(tname)) {
- tagName = element.getBody();
- } else if ("tagclass".equals(tname) || "tag-class".equals(tname)) {
- tagClassName = element.getBody();
- } else if ("teiclass".equals(tname) || "tei-class".equals(tname)) {
- teiClassName = element.getBody();
- } else if ("bodycontent".equals(tname)
- || "body-content".equals(tname)) {
- bodycontent = element.getBody();
- } else if ("display-name".equals(tname)) {
- displayName = element.getBody();
- } else if ("small-icon".equals(tname)) {
- smallIcon = element.getBody();
- } else if ("large-icon".equals(tname)) {
- largeIcon = element.getBody();
- } else if ("icon".equals(tname)) {
- TreeNode icon = element.findChild("small-icon");
- if (icon != null) {
- smallIcon = icon.getBody();
- }
- icon = element.findChild("large-icon");
- if (icon != null) {
- largeIcon = icon.getBody();
- }
- } else if ("info".equals(tname) || "description".equals(tname)) {
- info = element.getBody();
- } else if ("variable".equals(tname)) {
- variableVector.addElement(createVariable(element));
- } else if ("attribute".equals(tname)) {
- attributeVector
- .addElement(createAttribute(element, jspVersion));
- } else if ("dynamic-attributes".equals(tname)) {
- dynamicAttributes = JspUtil.booleanValue(element.getBody());
- } else if ("example".equals(tname)) {
- // Ignored elements
- } else if ("tag-extension".equals(tname)) {
- // Ignored
- } else {
- if (log.isWarnEnabled()) {
- log.warn(Localizer.getMessage(
- "jsp.warning.unknown.element.in.tag", tname));
- }
- }
- }
+ private TagInfo createTagInfo(TagXml tagXml) throws JasperException {
+ String teiClassName = tagXml.getTeiClass();
TagExtraInfo tei = null;
if (teiClassName != null && !teiClassName.equals("")) {
try {
@@ -407,59 +256,31 @@ class TagLibraryInfoImpl extends TagLibr
}
}
- TagAttributeInfo[] tagAttributeInfo = new
TagAttributeInfo[attributeVector
- .size()];
- attributeVector.copyInto(tagAttributeInfo);
-
- TagVariableInfo[] tagVariableInfos = new TagVariableInfo[variableVector
- .size()];
- variableVector.copyInto(tagVariableInfos);
+ String tagName = tagXml.getName();
+ String tagClassName = tagXml.getTagClass();
+ String bodycontent = tagXml.getBodyContent();
+ String info = tagXml.getInfo();
+ String displayName = tagXml.getDisplayName();
+ String smallIcon = tagXml.getSmallIcon();
+ String largeIcon = tagXml.getLargeIcon();
+ boolean dynamicAttributes = tagXml.hasDynamicAttributes();
+ List<TagAttributeInfo> attributeInfos = tagXml.getAttributes();
+ List<TagVariableInfo> variableInfos = tagXml.getVariables();
TagInfo taginfo = new TagInfo(tagName, tagClassName, bodycontent, info,
- this, tei, tagAttributeInfo, displayName, smallIcon, largeIcon,
- tagVariableInfos, dynamicAttributes);
+ this, tei,
+ attributeInfos.toArray(new
TagAttributeInfo[attributeInfos.size()]),
+ displayName, smallIcon, largeIcon,
+ variableInfos.toArray(new
TagVariableInfo[variableInfos.size()]),
+ dynamicAttributes);
return taginfo;
}
- /*
- * Parses the tag file directives of the given TagFile and turns them into
a
- * TagInfo.
- *
- * @param elem The <tag-file> element in the TLD @param uri The location of
- * the TLD, in case the tag file is specified relative to it @param jarFile
- * The JAR file, in case the tag file is packaged in a JAR
- *
- * @return TagInfo corresponding to tag file directives
- */
- private TagFileInfo createTagFileInfo(TreeNode elem, Jar jar)
+ private TagFileInfo createTagFileInfo(TagFileXml tagFileXml, Jar jar)
throws JasperException {
- String name = null;
- String path = null;
-
- Iterator<TreeNode> list = elem.findChildren();
- while (list.hasNext()) {
- TreeNode child = list.next();
- String tname = child.getName();
- if ("name".equals(tname)) {
- name = child.getBody();
- } else if ("path".equals(tname)) {
- path = child.getBody();
- } else if ("example".equals(tname)) {
- // Ignore <example> element: Bugzilla 33538
- } else if ("tag-extension".equals(tname)) {
- // Ignore <tag-extension> element: Bugzilla 33538
- } else if ("icon".equals(tname)
- || "display-name".equals(tname)
- || "description".equals(tname)) {
- // Ignore these elements: Bugzilla 38015
- } else {
- if (log.isWarnEnabled()) {
- log.warn(Localizer.getMessage(
- "jsp.warning.unknown.element.in.tagfile", tname));
- }
- }
- }
+ String name = tagFileXml.getName();
+ String path = tagFileXml.getPath();
if (path == null) {
// path is required
@@ -622,36 +443,18 @@ class TagLibraryInfoImpl extends TagLibr
declare, scope);
}
- private TagLibraryValidator createValidator(TreeNode elem)
+ private TagLibraryValidator createValidator(ValidatorXml validatorXml)
throws JasperException {
- String validatorClass = null;
- Map<String,Object> initParams = new Hashtable<>();
+ String validatorClass = validatorXml.getValidatorClass();
- Iterator<TreeNode> list = elem.findChildren();
- while (list.hasNext()) {
- TreeNode element = list.next();
- String tname = element.getName();
- if ("validator-class".equals(tname))
- validatorClass = element.getBody();
- else if ("init-param".equals(tname)) {
- String[] initParam = createInitParam(element);
- initParams.put(initParam[0], initParam[1]);
- } else if ("description".equals(tname) || // Ignored elements
- false) {
- } else {
- if (log.isWarnEnabled()) {
- log.warn(Localizer.getMessage(
- "jsp.warning.unknown.element.in.validator",
tname));
- }
- }
- }
+ Map<String,Object> initParams = new Hashtable<>();
+ initParams.putAll(validatorXml.getInitParams());
TagLibraryValidator tlv = null;
if (validatorClass != null && !validatorClass.equals("")) {
try {
- Class<?> tlvClass = ctxt.getClassLoader()
- .loadClass(validatorClass);
+ Class<?> tlvClass =
ctxt.getClassLoader().loadClass(validatorClass);
tlv = (TagLibraryValidator) tlvClass.newInstance();
} catch (Exception e) {
err.jspError(e, "jsp.error.tlvclass.instantiation",
Modified: tomcat/trunk/java/org/apache/jasper/compiler/TldCache.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/TldCache.java?rev=1541955&r1=1541954&r2=1541955&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/TldCache.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/TldCache.java Thu Nov 14
16:26:31 2013
@@ -58,4 +58,9 @@ public class TldCache {
public TldResourcePath getTldResourcePath(String uri) {
return uriTldResourcePathMap.get(uri);
}
+
+
+ public TaglibXml getTaglibXml(TldResourcePath tldResourcePath) {
+ return tldResourcePathTaglibXmlMap.get(tldResourcePath);
+ }
}
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