jvanzyl 02/03/11 11:52:47 Added: src/java/org/apache/maven ProjectResolver.java Log: Tool that will look at a JAR file and determine what projects the JAR is dependent on. Will be used in conjunction with project descriptor generation. Revision Changes Path 1.1 jakarta-turbine-maven/src/java/org/apache/maven/ProjectResolver.java Index: ProjectResolver.java =================================================================== package org.apache.maven; /* ==================================================================== * 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 "Apache" and "Apache Software Foundation" and * "Apache Maven" 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", * "Apache Maven", 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/>. */ import java.io.File; import java.io.InputStream; import java.util.Iterator; import java.util.List; import java.util.LinkedList; import java.util.jar.JarFile; import java.util.jar.JarEntry; import java.util.Map; import java.util.StringTokenizer; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.apache.maven.util.JarUtil; import org.apache.maven.importscrubber.ClassParserWrapper; import org.apache.maven.importscrubber.TreeMapListener; public class ProjectResolver { private File file; private TreeMapListener treeMapListener; private List packageReferences; private List packageExcludes; public ProjectResolver() { packageReferences = new LinkedList(); packageExcludes = new LinkedList(); } public void setPackageExcludes(String packageExcludesList) { StringTokenizer st = new StringTokenizer(packageExcludesList,","); while (st.hasMoreTokens()) { String packageExclude = st.nextToken(); packageExcludes.add(packageExclude); } } public void setFile(File file) { System.out.println("setting file: " + file); this.file = file; } public List getPackageReferences() { return packageReferences; } public void resolveDependencies() { JarFile jarFile = null; treeMapListener = null; try { jarFile = new JarFile(file); treeMapListener = new TreeMapListener(); List classEntries = JarUtil.getClassEntries(jarFile); for (Iterator i = classEntries.iterator(); i.hasNext();) { JarEntry jarEntry = (JarEntry) i.next(); InputStream classInputStream = jarFile.getInputStream(jarEntry); ClassParserWrapper.parse(classInputStream, treeMapListener); } jarFile.close(); Map map = treeMapListener.getTreeMap(); for (Iterator i = map.keySet().iterator(); i.hasNext();) { String classReference = (String) i.next(); // Don't care about internal classes or classes // that don't belong to a real package. if (classReference.indexOf("$") < 0) { boolean includePackage = true; for (Iterator j = packageExcludes.iterator(); j.hasNext();) { String packageExclude = (String) j.next(); if (classReference.startsWith(packageExclude)) { includePackage = false; break; } } if (includePackage) { packageReferences.add(map.get(classReference)); } } } } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { BytecodeDependencyResolver bdr = new BytecodeDependencyResolver(); bdr.setFile(new File(args[0])); bdr.setPackageExcludes(args[1]); bdr.resolveDependencies(); List packageReferences = bdr.getPackageReferences(); for (Iterator i = packageReferences.iterator(); i.hasNext();) { System.out.println(i.next()); } } }
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