1 package org.apache.maven.shared.dependency.analyzer; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.io.IOException; 23 import java.net.URL; 24 import java.util.Set; 25 import java.util.zip.ZipException; 26 27 import org.codehaus.plexus.component.annotations.Component; 28 29 /** 30 * 31 * 32 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> 33 * @version $Id: DefaultClassAnalyzer.java 1178573 2011-10-03 20:53:48Z hboutemy $ 34 */ 35 @Component( role = ClassAnalyzer.class ) 36 public class DefaultClassAnalyzer 37 implements ClassAnalyzer 38 { 39 // ClassAnalyzer methods -------------------------------------------------- 40 41 public Set<String> analyze( URL url ) 42 throws IOException 43 { 44 CollectorClassFileVisitor visitor = new CollectorClassFileVisitor(); 45 46 try 47 { 48 ClassFileVisitorUtils.accept( url, visitor ); 49 } 50 catch( ZipException e ) 51 { 52 // since the current ZipException gives no indication what jar file is corrupted 53 // we prefer to wrap another ZipException for better error visibility 54 ZipException ze = new ZipException( "Cannot process Jar entry on URL: " + url + " due to " + e.getMessage() ); 55 ze.initCause( e ); 56 throw ze; 57 } 58 59 return visitor.getClasses(); 60 } 61 }