dims 02/04/02 12:23:07 Modified: java build.xml Added: java/src/org/apache/axis/utils/bytecode Serp.java Log: Initial check-in for SERP (http://serp.sourceforge.net/) a followon and possible replacement for TechTrader Bytecode Toolkit. (Compiles clean but am having problems when running "all-tests") Revision Changes Path 1.128 +5 -0 xml-axis/java/build.xml Index: build.xml =================================================================== RCS file: /home/cvs/xml-axis/java/build.xml,v retrieving revision 1.127 retrieving revision 1.128 diff -u -r1.127 -r1.128 --- build.xml 2 Apr 2002 19:07:16 -0000 1.127 +++ build.xml 2 Apr 2002 20:23:07 -0000 1.128 @@ -151,6 +151,10 @@ classname="com.techtrader.modules.tools.bytecode.BCClass" classpathref="classpath"/> + <available property="serp.present" + classname="serp.bytecode.Project" + classpathref="classpath"/> + <available property="activation.present" classname="javax.activation.DataHandler" classpathref="classpath"/> @@ -238,6 +242,7 @@ <exclude name="**/org/apache/axis/server/JNDIAxisServerFactory.java" unless="servlet.present"/> <exclude name="**/org/apache/axis/security/servlet/*" unless="servlet.present"/> <exclude name="**/org/apache/axis/utils/bytecode/TechTrader*" unless="tt-bytecode.present"/> + <exclude name="**/org/apache/axis/utils/bytecode/Serp*" unless="serp.present"/> <exclude name="**/javax/xml/soap/*.java" unless="attachments.present"/> <exclude name="**/javax/xml/rpc/handler/soap/*.java" unless="attachments.present"/> <exclude name="**/*TestSuite.java" unless="junit.present"/> 1.1 xml-axis/java/src/org/apache/axis/utils/bytecode/Serp.java Index: Serp.java =================================================================== /* * The Apache Software License, Version 1.1 * * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Axis" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.axis.utils.bytecode; import serp.bytecode.BCClass; import serp.bytecode.BCMethod; import serp.bytecode.Project; import serp.bytecode.Code; import serp.bytecode.LocalVariableTable; import serp.bytecode.LocalVariable; import java.lang.reflect.Method; import java.util.Vector; import java.util.Hashtable; import java.io.IOException; /** * This class implements an Extractor using "Serp" * from <a href="http://serp.sourceforge.net/";></a> which is * a follow up to the TechTrader Bytecode Toolkit. * * NOTE: Currently this is just a place holder. * (Does not work!!! but compiles clean!!!) * * @author <a href="mailto:[EMAIL PROTECTED]";>Davanum Srinivas</a> * @version $Revision: 1.1 $ $Date: 2002/04/02 20:23:07 $ */ public class Serp implements Extractor { /** * Cache of tt-bytecode BCClass objects which correspond to particular * Java classes. * * !!! NOTE : AT PRESENT WE DO NOT CLEAN UP THIS CACHE. */ private static Hashtable ttClassCache = new Hashtable(); /** * Get Parameter Names using tt-bytecode * * @param method the Java method we're interested in * @return list of names or null */ public String[] getParameterNamesFromDebugInfo(Method method) { Class c = method.getDeclaringClass(); int numParams = method.getParameterTypes().length; Vector temp = new Vector(); // Don't worry about it if there are no params. if (numParams == 0) return null; // Try to obtain a tt-bytecode class object BCClass bclass = (BCClass)ttClassCache.get(c); Project project = new Project(); if(bclass == null) { bclass = project.loadClass(c); ttClassCache.put(c, bclass); } // Obtain the exact method we're interested in. BCMethod bmeth = bclass.getDeclaredMethod(method.getName(), method.getParameterTypes()); if (bmeth == null) return null; // Get the Code object, which contains the local variable table. Code code = bmeth.getCode(true); if (code == null) return null; LocalVariableTable table = code.getLocalVariableTable(true); if (table == null) return null; // OK, found it. Now scan through the local variables and record // the names in the right indices. LocalVariable [] vars = table.getLocalVariables(); String [] argNames = new String[numParams + 1]; argNames[0] = null; // don't know return name // NOTE: we scan through all the variables here, because I have been // told that jikes sometimes produces unpredictable ordering of the // local variable table. for (int j = 0; j < vars.length; j++) { LocalVariable var = vars[j]; if (! var.getName().equals("this")) { if(temp.size() < var.getTypeIndex() + 1) temp.setSize(var.getTypeIndex() + 1); temp.setElementAt(var.getName(), var.getTypeIndex()); } } int k = 0; for (int j = 0; j < temp.size(); j++) { if (temp.elementAt(j) != null) { k++; argNames[k] = (String)temp.elementAt(j); if(k + 1 == argNames.length) break; } } return argNames; } }
