org.apache.maven.shared.dependency.analyzer.DefaultClassAnalyzer Maven / Gradle / Ivy
package org.apache.maven.shared.dependency.analyzer;
/*
* 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.
*/
import java.io.IOException;
import java.net.URL;
import java.util.Set;
import java.util.zip.ZipException;
import org.codehaus.plexus.component.annotations.Component;
/**
*
*
* @author Mark Hobson
* @version $Id$
*/
@Component( role = ClassAnalyzer.class )
public class DefaultClassAnalyzer
implements ClassAnalyzer
{
// ClassAnalyzer methods --------------------------------------------------
public Set analyze( URL url )
throws IOException
{
CollectorClassFileVisitor visitor = new CollectorClassFileVisitor();
try
{
ClassFileVisitorUtils.accept( url, visitor );
}
catch ( ZipException e )
{
// since the current ZipException gives no indication what jar file is corrupted
// we prefer to wrap another ZipException for better error visibility
ZipException ze =
new ZipException( "Cannot process Jar entry on URL: " + url + " due to " + e.getMessage() );
ze.initCause( e );
throw ze;
}
return visitor.getClasses();
}
}