/*

 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. 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.  Oracle designates this

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

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.codemodel.internal.writer;

import java.io.FilterOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintStream;

import com.sun.codemodel.internal.CodeWriter;

import com.sun.codemodel.internal.JPackage;

/**

 * Output all source files into a single stream with a little

 * formatting header in front of each file.

 *

 * This is primarily for human consumption of the generated source

 * code, such as to debug/test CodeModel or to quickly inspect the result.

 *

 * @author

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

 */

public class SingleStreamCodeWriter extends CodeWriter {

    private final PrintStream out;

    /**

     * @param os

     *      This stream will be closed at the end of the code generation.

     */

    public SingleStreamCodeWriter( OutputStream os ) {

        out = new PrintStream(os);

    }

    @Override

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

        final String name = pkg != null && pkg.name().length() > 0

                ? pkg.name() + '.' + fileName : fileName;

        out.println(

            "-----------------------------------" + name +

            "-----------------------------------");

        return new FilterOutputStream(out) {

            @Override

            public void close() {

                // don't let this stream close

            }

        };

    }

    @Override

    public void close() throws IOException {

        out.close();

    }

}