1/*
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.codemodel.internal.writer;
27
28import java.io.FilterOutputStream;
29import java.io.IOException;
30import java.io.OutputStream;
31import java.util.zip.ZipEntry;
32import java.util.zip.ZipOutputStream;
33
34import com.sun.codemodel.internal.CodeWriter;
35import com.sun.codemodel.internal.JPackage;
36
37/**
38 * Writes all the files into a zip file.
39 *
40 * @author
41 *      Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
42 */
43public class ZipCodeWriter extends CodeWriter {
44    /**
45     * @param target
46     *      Zip file will be written to this stream.
47     */
48    public ZipCodeWriter( OutputStream target ) {
49        zip = new ZipOutputStream(target);
50        // nullify the close method.
51        filter = new FilterOutputStream(zip){
52            @Override
53            public void close() {}
54        };
55    }
56
57    private final ZipOutputStream zip;
58
59    private final OutputStream filter;
60
61    @Override
62    public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
63        final String name = pkg == null || pkg.isUnnamed() ? fileName : toDirName(pkg)+fileName;
64        zip.putNextEntry(new ZipEntry(name));
65        return filter;
66    }
67
68    /** Converts a package name to the directory name. */
69    private static String toDirName( JPackage pkg ) {
70        return pkg.name().replace('.','/')+'/';
71    }
72
73    @Override
74    public void close() throws IOException {
75        zip.close();
76    }
77
78}
79