1 /*
   2  * Copyright (c) 1997, 2012, 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 
  26 package com.sun.codemodel.internal.writer;
  27 
  28 import java.io.FilterOutputStream;
  29 import java.io.IOException;
  30 import java.io.OutputStream;
  31 import java.util.zip.ZipEntry;
  32 import java.util.zip.ZipOutputStream;
  33 
  34 import com.sun.codemodel.internal.CodeWriter;
  35 import 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  */
  43 public 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             public void close() {}
  53         };
  54     }
  55 
  56     private final ZipOutputStream zip;
  57 
  58     private final OutputStream filter;
  59 
  60     public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
  61         String name = fileName;
  62         if(!pkg.isUnnamed())    name = toDirName(pkg)+name;
  63 
  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     public void close() throws IOException {
  74         zip.close();
  75     }
  76 
  77 }