org.codehaus.mojo.animal_sniffer.SignatureMerger Maven / Gradle / Ivy
package org.codehaus.mojo.animal_sniffer;
/*
* The MIT License
*
* Copyright (c) 2008 Kohsuke Kawaguchi and codehaus.org.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.codehaus.mojo.animal_sniffer.logging.Logger;
/**
* Merges signature files.
*
* @author Stephen Connolly
*/
public class SignatureMerger
{
private final Map classes = new HashMap();
private final Logger logger;
public static void main( String[] args )
throws Exception
{
// TODO add command arg parsing
// new SignatureMerger( new FileInputStream( "signature" ), ignoredPackages,
// new PrintWriterLogger( System.out ) ).process( new File( "target/classes" ) );
}
public SignatureMerger( InputStream[] in, OutputStream out, Logger logger )
throws IOException
{
this.logger = logger;
for ( InputStream i : in )
{
try
{
ObjectInputStream ois = new ObjectInputStream( new GZIPInputStream( i ) );
while ( true )
{
Clazz c = (Clazz) ois.readObject();
if ( c == null )
{
return; // finished
}
Clazz cur = classes.get( c.getName() );
if ( cur == null )
{
classes.put( c.getName(), c );
}
else
{
classes.put( c.getName(), new Clazz( c, cur ) );
}
}
}
catch ( ClassNotFoundException e )
{
throw new NoClassDefFoundError( e.getMessage() );
}
}
ObjectOutputStream oos = new ObjectOutputStream( new GZIPOutputStream( out ) );
for ( Map.Entry entry : classes.entrySet() )
{
logger.info( entry.getKey() );
oos.writeObject( entry.getValue() );
}
oos.writeObject( null ); // EOF marker
oos.close();
}
}