/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.io;
import proguard.classfile.*;
import proguard.classfile.io.ProgramClassWriter;
import proguard.classfile.util.SimplifiedVisitor;
import proguard.classfile.visitor.ClassVisitor;
import java.io.*;
/**
* This ClassVisitor writes out the ProgramClass objects that it visits to the
* given DataEntry, modified to have the correct name.
*
* @author Eric Lafortune
*/
public class DataEntryClassWriter
extends SimplifiedVisitor
implements ClassVisitor
{
private final DataEntryWriter dataEntryWriter;
private final DataEntry templateDataEntry;
/**
* Creates a new DataEntryClassWriter for writing to the given
* DataEntryWriter, based on the given template DataEntry.
*/
public DataEntryClassWriter(DataEntryWriter dataEntryWriter,
DataEntry templateDataEntry)
{
this.dataEntryWriter = dataEntryWriter;
this.templateDataEntry = templateDataEntry;
}
// Implementations for ClassVisitor.
public void visitProgramClass(ProgramClass programClass)
{
// Rename the data entry if necessary.
String actualClassName = programClass.getName();
DataEntry actualDataEntry =
new RenamedDataEntry(templateDataEntry,
actualClassName + ClassConstants.CLASS_FILE_EXTENSION);
try
{
// Get the output entry corresponding to this input entry.
OutputStream outputStream = dataEntryWriter.getOutputStream(actualDataEntry);
if (outputStream != null)
{
// Write the class to the output entry.
DataOutputStream classOutputStream = new DataOutputStream(outputStream);
new ProgramClassWriter(classOutputStream).visitProgramClass(programClass);
classOutputStream.flush();
}
}
catch (IOException e)
{
throw new RuntimeException("Can't write program class ["+actualClassName+"] to ["+actualDataEntry+"] ("+e.getMessage()+")", e);
}
}
}