/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
package org.apache.cocoon.components.language.programming.java;
import net.sf.pizzacompiler.compiler.ClassReader;
import net.sf.pizzacompiler.compiler.FileCompilerOutput;
import net.sf.pizzacompiler.compiler.FileSourceReader;
import net.sf.pizzacompiler.compiler.Main;
import org.apache.cocoon.util.ClassUtils;
import org.apache.log.Hierarchy;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
/**
* This class wraps the Pizza Java Compiler.
*
* @author <a href="mailto:vgritsenko@apache.org">Vadim Gritsenko</a>
* @version CVS $Id: Pizza.java,v 1.1 2004/03/10 12:58:07 stephan Exp $
*/
public class Pizza extends Javac {
public final static String PIZZA_CLASS = "net.sf.pizzacompiler.compiler.Main";
public Pizza() {
super(true);
try {
ClassUtils.loadClass(PIZZA_CLASS);
} catch (ClassNotFoundException e) {
Hierarchy.getDefaultHierarchy().getLoggerFor("cocoon").error("No Pizza Java compiler found in your classpath. Make sure you added 'pizza.jar'", e);
throw new RuntimeException("No Pizza Java compiler found in your classpath. Make sure you added 'pizza.jar'");
}
net.sf.pizzacompiler.compiler.Main.init();
}
/**
* Compile a source file yielding a loadable class file.
*
* @exception IOException
*/
public boolean compile() throws IOException {
ByteArrayOutputStream err = new ByteArrayOutputStream();
Main.init();
Main.setClassReader(new ClassReader(this.classpath, null));
Main.argument("-java");
Main.argument("-O");
Main.argument("-nowarn");
Main.compile(new String[]{file},
new FileSourceReader(),
new FileCompilerOutput(new File(destDir)),
new PrintStream(err));
this.errors = new ByteArrayInputStream(err.toByteArray());
return err.size() == 0;
}
public String toString() {
return "Pizza Java Compiler";
}
}