/*

 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.codemodel.internal.writer;

import java.io.File;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintStream;

import java.io.Writer;

import com.sun.codemodel.internal.CodeWriter;

import com.sun.codemodel.internal.JPackage;

/**

 * Filter CodeWriter that writes a progress message to the specified

 * PrintStream.

 *

 * @author

 *      Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

 */

public class ProgressCodeWriter extends FilterCodeWriter {

    public ProgressCodeWriter( CodeWriter output, PrintStream progress ) {

        super(output);

        this.progress = progress;

        if(progress==null)

            throw new IllegalArgumentException();

    }

    private final PrintStream progress;

    public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {

        report(pkg, fileName);

        return super.openBinary(pkg,fileName);

    }

    public Writer openSource(JPackage pkg, String fileName) throws IOException {

        report(pkg, fileName);

        return super.openSource(pkg,fileName);

    }

    private void report(JPackage pkg, String fileName) {

        if(pkg.isUnnamed()) progress.println(fileName);

        else

            progress.println(

                pkg.name().replace('.',File.separatorChar)

                    +File.separatorChar+fileName);

    }

}