diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java deleted file mode 100644 index 158cba93..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java +++ /dev/null @@ -1,390 +0,0 @@ -/* - * 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.tools.ant.taskdefs.optional.ejb; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.IOException; -import java.io.InputStream; -import java.net.URL; -import java.util.Hashtable; - -import org.apache.tools.ant.Project; -import org.apache.tools.ant.Task; -import org.xml.sax.AttributeList; -import org.xml.sax.InputSource; -import org.xml.sax.SAXException; - -/** - * Inner class used by EjbJar to facilitate the parsing of deployment - * descriptors and the capture of appropriate information. Extends - * HandlerBase so it only implements the methods needed. During parsing - * creates a hashtable consisting of entries mapping the name it should be - * inserted into an EJB jar as to a File representing the file on disk. This - * list can then be accessed through the getFiles() method. - */ -public class DescriptorHandler extends org.xml.sax.HandlerBase { - private static final int DEFAULT_HASH_TABLE_SIZE = 10; - private static final int STATE_LOOKING_EJBJAR = 1; - private static final int STATE_IN_EJBJAR = 2; - private static final int STATE_IN_BEANS = 3; - private static final int STATE_IN_SESSION = 4; - private static final int STATE_IN_ENTITY = 5; - private static final int STATE_IN_MESSAGE = 6; - - private Task owningTask; - - private String publicId = null; - - /** - * Bunch of constants used for storing entries in a hashtable, and for - * constructing the filenames of various parts of the ejb jar. - */ - private static final String EJB_REF = "ejb-ref"; - private static final String EJB_LOCAL_REF = "ejb-local-ref"; - private static final String HOME_INTERFACE = "home"; - private static final String REMOTE_INTERFACE = "remote"; - private static final String LOCAL_HOME_INTERFACE = "local-home"; - private static final String LOCAL_INTERFACE = "local"; - private static final String BEAN_CLASS = "ejb-class"; - private static final String PK_CLASS = "prim-key-class"; - private static final String EJB_NAME = "ejb-name"; - private static final String EJB_JAR = "ejb-jar"; - private static final String ENTERPRISE_BEANS = "enterprise-beans"; - private static final String ENTITY_BEAN = "entity"; - private static final String SESSION_BEAN = "session"; - private static final String MESSAGE_BEAN = "message-driven"; - - /** - * The state of the parsing - */ - private int parseState = STATE_LOOKING_EJBJAR; - - // CheckStyle:VisibilityModifier OFF - bc - /** - * Instance variable used to store the name of the current element being - * processed by the SAX parser. Accessed by the SAX parser call-back methods - * startElement() and endElement(). - */ - protected String currentElement = null; - - /** - * The text of the current element - */ - protected String currentText = null; - - /** - * Instance variable that stores the names of the files as they will be - * put into the jar file, mapped to File objects Accessed by the SAX - * parser call-back method characters(). - */ - protected Hashtable ejbFiles = null; - - /** - * Instance variable that stores the value found in the <ejb-name> element - */ - protected String ejbName = null; - - private Hashtable fileDTDs = new Hashtable(); - - private Hashtable resourceDTDs = new Hashtable(); - - private boolean inEJBRef = false; - - private Hashtable urlDTDs = new Hashtable(); - // CheckStyle:VisibilityModifier OFF - bc - - /** - * The directory containing the bean classes and interfaces. This is - * used for performing dependency file lookups. - */ - private File srcDir; - - /** - * Constructor for DescriptorHandler. - * @param task the task that owns this descriptor - * @param srcDir the source directory - */ - public DescriptorHandler(Task task, File srcDir) { - this.owningTask = task; - this.srcDir = srcDir; - } - - /** - * Register a dtd with a location. - * The location is one of a filename, a resource name in the classpath, or - * a URL. - * @param publicId the public identity of the dtd - * @param location the location of the dtd - */ - public void registerDTD(String publicId, String location) { - if (location == null) { - return; - } - - File fileDTD = new File(location); - if (!fileDTD.exists()) { - // resolve relative to project basedir - fileDTD = owningTask.getProject().resolveFile(location); - } - - if (fileDTD.exists()) { - if (publicId != null) { - fileDTDs.put(publicId, fileDTD); - owningTask.log("Mapped publicId " + publicId + " to file " - + fileDTD, Project.MSG_VERBOSE); - } - return; - } - - if (getClass().getResource(location) != null) { - if (publicId != null) { - resourceDTDs.put(publicId, location); - owningTask.log("Mapped publicId " + publicId + " to resource " - + location, Project.MSG_VERBOSE); - } - } - - try { - if (publicId != null) { - URL urldtd = new URL(location); - urlDTDs.put(publicId, urldtd); - } - } catch (java.net.MalformedURLException e) { - //ignored - } - - } - - /** - * Resolve the entity. - * @see org.xml.sax.EntityResolver#resolveEntity(String, String). - * @param publicId The public identifier, or <code>null</code> - * if none is available. - * @param systemId The system identifier provided in the XML - * document. Will not be <code>null</code>. - * @return an inputsource for this identifier - * @throws SAXException if there is a problem. - */ - public InputSource resolveEntity(String publicId, String systemId) - throws SAXException { - this.publicId = publicId; - - File dtdFile = (File) fileDTDs.get(publicId); - if (dtdFile != null) { - try { - owningTask.log("Resolved " + publicId + " to local file " - + dtdFile, Project.MSG_VERBOSE); - return new InputSource(new FileInputStream(dtdFile)); - } catch (FileNotFoundException ex) { - // ignore - } - } - - String dtdResourceName = (String) resourceDTDs.get(publicId); - if (dtdResourceName != null) { - InputStream is = this.getClass().getResourceAsStream(dtdResourceName); - if (is != null) { - owningTask.log("Resolved " + publicId + " to local resource " - + dtdResourceName, Project.MSG_VERBOSE); - return new InputSource(is); - } - } - - URL dtdUrl = (URL) urlDTDs.get(publicId); - if (dtdUrl != null) { - try { - InputStream is = dtdUrl.openStream(); - owningTask.log("Resolved " + publicId + " to url " - + dtdUrl, Project.MSG_VERBOSE); - return new InputSource(is); - } catch (IOException ioe) { - //ignore - } - } - - owningTask.log("Could not resolve ( publicId: " + publicId - + ", systemId: " + systemId + ") to a local entity", Project.MSG_INFO); - - return null; - } - - /** - * Getter method that returns the set of files to include in the EJB jar. - * @return the map of files - */ - public Hashtable getFiles() { - return (ejbFiles == null) ? new Hashtable() : ejbFiles; - } - - /** - * Get the publicId of the DTD - * @return the public id - */ - public String getPublicId() { - return publicId; - } - - /** - * Getter method that returns the value of the <ejb-name> element. - * @return the ejb name - */ - public String getEjbName() { - return ejbName; - } - - /** - * SAX parser call-back method that is used to initialize the values of some - * instance variables to ensure safe operation. - * @throws SAXException on error - */ - public void startDocument() throws SAXException { - this.ejbFiles = new Hashtable(DEFAULT_HASH_TABLE_SIZE, 1); - this.currentElement = null; - inEJBRef = false; - } - - - /** - * SAX parser call-back method that is invoked when a new element is entered - * into. Used to store the context (attribute name) in the currentAttribute - * instance variable. - * @param name The name of the element being entered. - * @param attrs Attributes associated to the element. - * @throws SAXException on error - */ - public void startElement(String name, AttributeList attrs) - throws SAXException { - this.currentElement = name; - currentText = ""; - if (name.equals(EJB_REF) || name.equals(EJB_LOCAL_REF)) { - inEJBRef = true; - } else if (parseState == STATE_LOOKING_EJBJAR && name.equals(EJB_JAR)) { - parseState = STATE_IN_EJBJAR; - } else if (parseState == STATE_IN_EJBJAR && name.equals(ENTERPRISE_BEANS)) { - parseState = STATE_IN_BEANS; - } else if (parseState == STATE_IN_BEANS && name.equals(SESSION_BEAN)) { - parseState = STATE_IN_SESSION; - } else if (parseState == STATE_IN_BEANS && name.equals(ENTITY_BEAN)) { - parseState = STATE_IN_ENTITY; - } else if (parseState == STATE_IN_BEANS && name.equals(MESSAGE_BEAN)) { - parseState = STATE_IN_MESSAGE; - } - } - - - /** - * SAX parser call-back method that is invoked when an element is exited. - * Used to blank out (set to the empty string, not nullify) the name of - * the currentAttribute. A better method would be to use a stack as an - * instance variable, however since we are only interested in leaf-node - * data this is a simpler and workable solution. - * @param name The name of the attribute being exited. Ignored - * in this implementation. - * @throws SAXException on error - */ - public void endElement(String name) throws SAXException { - processElement(); - currentText = ""; - this.currentElement = ""; - if (name.equals(EJB_REF) || name.equals(EJB_LOCAL_REF)) { - inEJBRef = false; - } else if (parseState == STATE_IN_ENTITY && name.equals(ENTITY_BEAN)) { - parseState = STATE_IN_BEANS; - } else if (parseState == STATE_IN_SESSION && name.equals(SESSION_BEAN)) { - parseState = STATE_IN_BEANS; - } else if (parseState == STATE_IN_MESSAGE && name.equals(MESSAGE_BEAN)) { - parseState = STATE_IN_BEANS; - } else if (parseState == STATE_IN_BEANS && name.equals(ENTERPRISE_BEANS)) { - parseState = STATE_IN_EJBJAR; - } else if (parseState == STATE_IN_EJBJAR && name.equals(EJB_JAR)) { - parseState = STATE_LOOKING_EJBJAR; - } - } - - /** - * SAX parser call-back method invoked whenever characters are located within - * an element. currentAttribute (modified by startElement and endElement) - * tells us whether we are in an interesting element (one of the up to four - * classes of an EJB). If so then converts the classname from the format - * org.apache.tools.ant.Parser to the convention for storing such a class, - * org/apache/tools/ant/Parser.class. This is then resolved into a file - * object under the srcdir which is stored in a Hashtable. - * @param ch A character array containing all the characters in - * the element, and maybe others that should be ignored. - * @param start An integer marking the position in the char - * array to start reading from. - * @param length An integer representing an offset into the - * char array where the current data terminates. - * @throws SAXException on error - */ - public void characters(char[] ch, int start, int length) - throws SAXException { - - currentText += new String(ch, start, length); - } - - - /** - * Called when an endelement is seen. - * This may be overridden in derived classes. - * This updates the ejbfiles if the element is an interface or a bean class. - * This updates the ejbname if the element is an ejb name. - */ - protected void processElement() { - if (inEJBRef - || (parseState != STATE_IN_ENTITY - && parseState != STATE_IN_SESSION - && parseState != STATE_IN_MESSAGE)) { - return; - } - - if (currentElement.equals(HOME_INTERFACE) - || currentElement.equals(REMOTE_INTERFACE) - || currentElement.equals(LOCAL_INTERFACE) - || currentElement.equals(LOCAL_HOME_INTERFACE) - || currentElement.equals(BEAN_CLASS) - || currentElement.equals(PK_CLASS)) { - - // Get the filename into a String object - File classFile = null; - String className = currentText.trim(); - - // If it's a primitive wrapper then we shouldn't try and put - // it into the jar, so ignore it. - if (!className.startsWith("java.") - && !className.startsWith("javax.")) { - // Translate periods into path separators, add .class to the - // name, create the File object and add it to the Hashtable. - className = className.replace('.', File.separatorChar); - className += ".class"; - classFile = new File(srcDir, className); - ejbFiles.put(className, classFile); - } - } - - // Get the value of the <ejb-name> tag. Only the first occurrence. - if (currentElement.equals(EJB_NAME)) { - if (ejbName == null) { - ejbName = currentText.trim(); - } - } - } -} |