| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.sling.scripting.jsp.jasper.compiler; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.net.JarURLConnection; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Collection; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Vector; |
| import java.util.jar.JarFile; |
| import java.util.zip.ZipEntry; |
| |
| import javax.servlet.jsp.tagext.FunctionInfo; |
| import javax.servlet.jsp.tagext.PageData; |
| import javax.servlet.jsp.tagext.TagAttributeInfo; |
| import javax.servlet.jsp.tagext.TagExtraInfo; |
| import javax.servlet.jsp.tagext.TagFileInfo; |
| import javax.servlet.jsp.tagext.TagInfo; |
| import javax.servlet.jsp.tagext.TagLibraryInfo; |
| import javax.servlet.jsp.tagext.TagLibraryValidator; |
| import javax.servlet.jsp.tagext.TagVariableInfo; |
| import javax.servlet.jsp.tagext.ValidationMessage; |
| import javax.servlet.jsp.tagext.VariableInfo; |
| |
| import org.apache.juli.logging.Log; |
| import org.apache.juli.logging.LogFactory; |
| import org.apache.sling.scripting.jsp.jasper.JasperException; |
| import org.apache.sling.scripting.jsp.jasper.JspCompilationContext; |
| import org.apache.sling.scripting.jsp.jasper.xmlparser.ParserUtils; |
| import org.apache.sling.scripting.jsp.jasper.xmlparser.TreeNode; |
| |
| /** |
| * Implementation of the TagLibraryInfo class from the JSP spec. |
| * |
| * @author Anil K. Vijendran |
| * @author Mandar Raje |
| * @author Pierre Delisle |
| * @author Kin-man Chung |
| * @author Jan Luehe |
| */ |
| class TagLibraryInfoImpl extends TagLibraryInfo implements TagConstants { |
| |
| // Logger |
| private Log log = LogFactory.getLog(TagLibraryInfoImpl.class); |
| |
| private JspCompilationContext ctxt; |
| |
| private PageInfo pi; |
| |
| private ErrorDispatcher err; |
| |
| private ParserController parserController; |
| |
| private final void print(String name, String value, PrintWriter w) { |
| if (value != null) { |
| w.print(name + " = {\n\t"); |
| w.print(value); |
| w.print("\n}\n"); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringWriter sw = new StringWriter(); |
| PrintWriter out = new PrintWriter(sw); |
| print("tlibversion", tlibversion, out); |
| print("jspversion", jspversion, out); |
| print("shortname", shortname, out); |
| print("urn", urn, out); |
| print("info", info, out); |
| print("uri", uri, out); |
| print("tagLibraryValidator", "" + tagLibraryValidator, out); |
| |
| for (int i = 0; i < tags.length; i++) |
| out.println(tags[i].toString()); |
| |
| for (int i = 0; i < tagFiles.length; i++) |
| out.println(tagFiles[i].toString()); |
| |
| for (int i = 0; i < functions.length; i++) |
| out.println(functions[i].toString()); |
| |
| 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 uri) |
| throws FileNotFoundException { |
| try { |
| // see if file exists on the filesystem first |
| String real = ctxt.getRealPath(uri); |
| if (real == null) { |
| return ctxt.getResourceAsStream(uri); |
| } else { |
| return ctxt.getRuntimeContext().getIOProvider().getInputStream(real); |
| } |
| } catch (IOException ex) { |
| // if file not found on filesystem, get the resource through |
| // the context |
| return ctxt.getResourceAsStream(uri); |
| } |
| |
| } |
| |
| /** |
| * Constructor. |
| */ |
| public TagLibraryInfoImpl(JspCompilationContext ctxt, ParserController pc, PageInfo pi, |
| String prefix, String uriIn, String[] location, ErrorDispatcher err) |
| throws JasperException { |
| super(prefix, uriIn); |
| |
| this.ctxt = ctxt; |
| this.parserController = pc; |
| this.pi = pi; |
| this.err = err; |
| InputStream in = null; |
| JarFile jarFile = null; |
| |
| if (location == null) { |
| // The URI points to the TLD itself or to a JAR file in which the |
| // TLD is stored |
| location = generateTLDLocation(uri, ctxt); |
| } |
| |
| try { |
| if (!location[0].endsWith("jar")) { |
| // Location points to TLD file |
| try { |
| in = getResourceAsStream(location[0]); |
| if (in == null) { |
| throw new FileNotFoundException(location[0]); |
| } |
| } catch (FileNotFoundException ex) { |
| err.jspError("jsp.error.file.not.found", location[0]); |
| } |
| |
| parseTLD(ctxt, location[0], in, null); |
| // Add TLD to dependency list |
| PageInfo pageInfo = ctxt.activateCompiler().getPageInfo(); |
| if (pageInfo != null) { |
| pageInfo.addDependant(location[0]); |
| } |
| } else { |
| // Tag library is packaged in JAR file |
| try { |
| URL jarFileUrl = new URL("jar:" + location[0] + "!/"); |
| JarURLConnection conn = (JarURLConnection) jarFileUrl |
| .openConnection(); |
| conn.setUseCaches(false); |
| conn.connect(); |
| jarFile = conn.getJarFile(); |
| ZipEntry jarEntry = jarFile.getEntry(location[1]); |
| in = jarFile.getInputStream(jarEntry); |
| parseTLD(ctxt, location[0], in, jarFileUrl); |
| } catch (Exception ex) { |
| err.jspError("jsp.error.tld.unable_to_read", location[0], |
| location[1], ex.toString()); |
| } |
| } |
| } finally { |
| if (in != null) { |
| try { |
| in.close(); |
| } catch (Throwable t) { |
| } |
| } |
| if (jarFile != null) { |
| try { |
| jarFile.close(); |
| } catch (Throwable t) { |
| } |
| } |
| } |
| |
| } |
| |
| @Override |
| public TagLibraryInfo[] getTagLibraryInfos() { |
| Collection coll = pi.getTaglibs(); |
| return (TagLibraryInfo[]) coll.toArray(new TagLibraryInfo[0]); |
| } |
| |
| /* |
| * @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(JspCompilationContext ctxt, String uri, |
| InputStream in, URL jarFileUrl) throws JasperException { |
| Vector tagVector = new Vector(); |
| Vector tagFileVector = new Vector(); |
| Hashtable 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 list = tld.findChildren(); |
| |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) 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, uri, |
| jarFileUrl); |
| 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) || // Ignored elements |
| "small-icon".equals(tname) || "large-icon".equals(tname) |
| || "listener".equals(tname)) { |
| ; |
| } else if ("taglib-extension".equals(tname)) { |
| // Recognized but ignored |
| } else { |
| if (log.isWarnEnabled()) { |
| log.warn(Localizer.getMessage( |
| "jsp.warning.unknown.element.in.taglib", tname)); |
| } |
| } |
| |
| } |
| |
| if (tlibversion == null) { |
| err.jspError("jsp.error.tld.mandatory.element.missing", |
| "tlib-version"); |
| } |
| if (jspversion == null) { |
| err.jspError("jsp.error.tld.mandatory.element.missing", |
| "jsp-version"); |
| } |
| |
| 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 enumeration = functionTable.elements(); |
| while (enumeration.hasMoreElements()) { |
| this.functions[i++] = (FunctionInfo) enumeration.nextElement(); |
| } |
| } |
| |
| /* |
| * @param uri The uri of the TLD @param ctxt The compilation context |
| * |
| * @return String array whose first element denotes the path to the TLD. If |
| * the path to the TLD points to a jar file, then the second element denotes |
| * the name of the TLD entry in the jar file, which is hardcoded to |
| * META-INF/taglib.tld. |
| */ |
| private String[] generateTLDLocation(String uri, JspCompilationContext ctxt) |
| throws JasperException { |
| |
| int uriType = TldLocationsCache.uriType(uri); |
| if (uriType == TldLocationsCache.ABS_URI) { |
| err.jspError("jsp.error.taglibDirective.absUriCannotBeResolved", |
| uri); |
| } else if (uriType == TldLocationsCache.NOROOT_REL_URI) { |
| uri = ctxt.resolveRelativeUri(uri); |
| } |
| |
| String[] location = new String[2]; |
| location[0] = uri; |
| if (location[0].endsWith("jar")) { |
| URL url = null; |
| try { |
| url = ctxt.getResource(location[0]); |
| } catch (Exception ex) { |
| err.jspError("jsp.error.tld.unable_to_get_jar", location[0], ex |
| .toString()); |
| } |
| if (url == null) { |
| err.jspError("jsp.error.tld.missing_jar", location[0]); |
| } |
| location[0] = url.toString(); |
| location[1] = "META-INF/taglib.tld"; |
| } |
| |
| return location; |
| } |
| |
| 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 attributeVector = new Vector(); |
| Vector variableVector = new Vector(); |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) 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)); |
| } |
| } |
| } |
| |
| TagExtraInfo tei = null; |
| if (teiClassName != null && !teiClassName.equals("")) { |
| try { |
| Class teiClass = ctxt.getClassLoader().loadClass(teiClassName); |
| tei = (TagExtraInfo) teiClass.newInstance(); |
| } catch (Exception e) { |
| err.jspError("jsp.error.teiclass.instantiation", teiClassName, |
| e); |
| } |
| } |
| |
| TagAttributeInfo[] tagAttributeInfo = new TagAttributeInfo[attributeVector |
| .size()]; |
| attributeVector.copyInto(tagAttributeInfo); |
| |
| TagVariableInfo[] tagVariableInfos = new TagVariableInfo[variableVector |
| .size()]; |
| variableVector.copyInto(tagVariableInfos); |
| |
| TagInfo taginfo = new TagInfo(tagName, tagClassName, bodycontent, info, |
| this, tei, tagAttributeInfo, displayName, smallIcon, largeIcon, |
| tagVariableInfos, 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 correspoding to tag file directives |
| */ |
| private TagFileInfo createTagFileInfo(TreeNode elem, String uri, |
| URL jarFileUrl) throws JasperException { |
| |
| String name = null; |
| String path = null; |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode child = (TreeNode) 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)); |
| } |
| } |
| } |
| |
| if (path.startsWith("/META-INF/tags")) { |
| // Tag file packaged in JAR |
| if ( jarFileUrl != null ) { |
| ctxt.setTagFileJarUrl(path, jarFileUrl); |
| } else { |
| final URL baseUrl = ctxt.getOptions().getTldLocationsCache().getTldLocationURL(uri); |
| if ( baseUrl != null ) { |
| final String baseUrlStr = baseUrl.toString(); |
| final int index = baseUrlStr.indexOf("/META-INF/"); |
| if ( index != -1 ) { |
| URL finalUrl; |
| try { |
| finalUrl = new URL(baseUrlStr.substring(0, index) + path); |
| ctxt.setTagFileUrl(path, finalUrl); |
| } catch (MalformedURLException e) { |
| // we ignore this |
| } |
| } |
| } |
| } |
| } else if (!path.startsWith("/WEB-INF/tags")) { |
| err.jspError("jsp.error.tagfile.illegalPath", path); |
| } |
| |
| TagInfo tagInfo = TagFileProcessor.parseTagFileDirectives( |
| parserController, name, path, this); |
| return new TagFileInfo(name, path, tagInfo); |
| } |
| |
| TagAttributeInfo createAttribute(TreeNode elem, String jspVersion) { |
| String name = null; |
| String type = null; |
| String expectedType = null; |
| String methodSignature = null; |
| boolean required = false, rtexprvalue = false, isFragment = false, deferredValue = false, deferredMethod = false; |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) list.next(); |
| String tname = element.getName(); |
| |
| if ("name".equals(tname)) { |
| name = element.getBody(); |
| } else if ("required".equals(tname)) { |
| String s = element.getBody(); |
| if (s != null) |
| required = JspUtil.booleanValue(s); |
| } else if ("rtexprvalue".equals(tname)) { |
| String s = element.getBody(); |
| if (s != null) |
| rtexprvalue = JspUtil.booleanValue(s); |
| } else if ("type".equals(tname)) { |
| type = element.getBody(); |
| if ("1.2".equals(jspVersion) |
| && (type.equals("Boolean") || type.equals("Byte") |
| || type.equals("Character") |
| || type.equals("Double") |
| || type.equals("Float") |
| || type.equals("Integer") |
| || type.equals("Long") || type.equals("Object") |
| || type.equals("Short") || type |
| .equals("String"))) { |
| type = "java.lang." + type; |
| } |
| } else if ("fragment".equals(tname)) { |
| String s = element.getBody(); |
| if (s != null) { |
| isFragment = JspUtil.booleanValue(s); |
| } |
| } else if ("deferred-value".equals(tname)) { |
| deferredValue = true; |
| type = "javax.el.ValueExpression"; |
| TreeNode child = element.findChild("type"); |
| if (child != null) { |
| expectedType = child.getBody(); |
| if (expectedType != null) { |
| expectedType = expectedType.trim(); |
| } |
| } else { |
| expectedType = "java.lang.Object"; |
| } |
| } else if ("deferred-method".equals(tname)) { |
| deferredMethod = true; |
| type = "javax.el.MethodExpression"; |
| TreeNode child = element.findChild("method-signature"); |
| if (child != null) { |
| methodSignature = child.getBody(); |
| if (methodSignature != null) { |
| methodSignature = methodSignature.trim(); |
| } |
| } else { |
| methodSignature = "java.lang.Object method()"; |
| } |
| } else if ("description".equals(tname) || // Ignored elements |
| false) { |
| ; |
| } else { |
| if (log.isWarnEnabled()) { |
| log.warn(Localizer.getMessage( |
| "jsp.warning.unknown.element.in.attribute", tname)); |
| } |
| } |
| } |
| |
| if (isFragment) { |
| /* |
| * According to JSP.C-3 ("TLD Schema Element Structure - tag"), |
| * 'type' and 'rtexprvalue' must not be specified if 'fragment' has |
| * been specified (this will be enforced by validating parser). |
| * Also, if 'fragment' is TRUE, 'type' is fixed at |
| * javax.servlet.jsp.tagext.JspFragment, and 'rtexprvalue' is fixed |
| * at true. See also JSP.8.5.2. |
| */ |
| type = "javax.servlet.jsp.tagext.JspFragment"; |
| rtexprvalue = true; |
| } |
| |
| if (!rtexprvalue && type == null) { |
| // According to JSP spec, for static values (those determined at |
| // translation time) the type is fixed at java.lang.String. |
| type = "java.lang.String"; |
| } |
| |
| return new TagAttributeInfo(name, required, type, rtexprvalue, |
| isFragment, null, deferredValue, deferredMethod, expectedType, |
| methodSignature); |
| } |
| |
| TagVariableInfo createVariable(TreeNode elem) { |
| String nameGiven = null; |
| String nameFromAttribute = null; |
| String className = "java.lang.String"; |
| boolean declare = true; |
| int scope = VariableInfo.NESTED; |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) list.next(); |
| String tname = element.getName(); |
| if ("name-given".equals(tname)) |
| nameGiven = element.getBody(); |
| else if ("name-from-attribute".equals(tname)) |
| nameFromAttribute = element.getBody(); |
| else if ("variable-class".equals(tname)) |
| className = element.getBody(); |
| else if ("declare".equals(tname)) { |
| String s = element.getBody(); |
| if (s != null) |
| declare = JspUtil.booleanValue(s); |
| } else if ("scope".equals(tname)) { |
| String s = element.getBody(); |
| if (s != null) { |
| if ("NESTED".equals(s)) { |
| scope = VariableInfo.NESTED; |
| } else if ("AT_BEGIN".equals(s)) { |
| scope = VariableInfo.AT_BEGIN; |
| } else if ("AT_END".equals(s)) { |
| scope = VariableInfo.AT_END; |
| } |
| } |
| } else if ("description".equals(tname) || // Ignored elements |
| false) { |
| } else { |
| if (log.isWarnEnabled()) { |
| log.warn(Localizer.getMessage( |
| "jsp.warning.unknown.element.in.variable", tname)); |
| } |
| } |
| } |
| return new TagVariableInfo(nameGiven, nameFromAttribute, className, |
| declare, scope); |
| } |
| |
| private TagLibraryValidator createValidator(TreeNode elem) |
| throws JasperException { |
| |
| String validatorClass = null; |
| Map initParams = new Hashtable(); |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) 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)); |
| } |
| } |
| } |
| |
| TagLibraryValidator tlv = null; |
| if (validatorClass != null && !validatorClass.equals("")) { |
| try { |
| Class tlvClass = ctxt.getClassLoader() |
| .loadClass(validatorClass); |
| tlv = (TagLibraryValidator) tlvClass.newInstance(); |
| } catch (Exception e) { |
| err.jspError("jsp.error.tlvclass.instantiation", |
| validatorClass, e); |
| } |
| } |
| if (tlv != null) { |
| tlv.setInitParameters(initParams); |
| } |
| return tlv; |
| } |
| |
| String[] createInitParam(TreeNode elem) { |
| String[] initParam = new String[2]; |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) list.next(); |
| String tname = element.getName(); |
| if ("param-name".equals(tname)) { |
| initParam[0] = element.getBody(); |
| } else if ("param-value".equals(tname)) { |
| initParam[1] = element.getBody(); |
| } else if ("description".equals(tname)) { |
| ; // Do nothing |
| } else { |
| if (log.isWarnEnabled()) { |
| log.warn(Localizer.getMessage( |
| "jsp.warning.unknown.element.in.initParam", tname)); |
| } |
| } |
| } |
| return initParam; |
| } |
| |
| FunctionInfo createFunctionInfo(TreeNode elem) { |
| |
| String name = null; |
| String klass = null; |
| String signature = null; |
| |
| Iterator list = elem.findChildren(); |
| while (list.hasNext()) { |
| TreeNode element = (TreeNode) list.next(); |
| String tname = element.getName(); |
| |
| if ("name".equals(tname)) { |
| name = element.getBody(); |
| } else if ("function-class".equals(tname)) { |
| klass = element.getBody(); |
| } else if ("function-signature".equals(tname)) { |
| signature = element.getBody(); |
| } else if ("display-name".equals(tname) || // Ignored elements |
| "small-icon".equals(tname) || "large-icon".equals(tname) |
| || "description".equals(tname) || "example".equals(tname)) { |
| } else { |
| if (log.isWarnEnabled()) { |
| log.warn(Localizer.getMessage( |
| "jsp.warning.unknown.element.in.function", tname)); |
| } |
| } |
| } |
| |
| return new FunctionInfo(name, klass, signature); |
| } |
| |
| // ********************************************************************* |
| // Until javax.servlet.jsp.tagext.TagLibraryInfo is fixed |
| |
| /** |
| * The instance (if any) for the TagLibraryValidator class. |
| * |
| * @return The TagLibraryValidator instance, if any. |
| */ |
| public TagLibraryValidator getTagLibraryValidator() { |
| return tagLibraryValidator; |
| } |
| |
| /** |
| * Translation-time validation of the XML document associated with the JSP |
| * page. This is a convenience method on the associated TagLibraryValidator |
| * class. |
| * |
| * @param thePage |
| * The JSP page object |
| * @return A string indicating whether the page is valid or not. |
| */ |
| public ValidationMessage[] validate(PageData thePage) { |
| TagLibraryValidator tlv = getTagLibraryValidator(); |
| if (tlv == null) |
| return null; |
| |
| String uri = getURI(); |
| if (uri.startsWith("/")) { |
| uri = URN_JSPTLD + uri; |
| } |
| |
| return tlv.validate(getPrefixString(), uri, thePage); |
| } |
| |
| protected TagLibraryValidator tagLibraryValidator; |
| } |