[14627] | 1 | /*
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| 2 | * Copyright 2001-2002,2004 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 |
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| 18 | package org.apache.tools.ant.taskdefs;
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| 19 |
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| 20 |
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| 21 | import java.io.BufferedOutputStream;
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| 22 | import java.io.FileOutputStream;
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| 23 | import java.io.IOException;
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| 24 | import org.apache.tools.ant.BuildException;
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| 25 | import org.apache.tools.bzip2.CBZip2OutputStream;
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| 26 |
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| 27 | /**
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| 28 | * Compresses a file with the BZIP2 algorithm. Normally used to compress
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| 29 | * non-compressed archives such as TAR files.
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| 30 | *
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| 31 | *
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| 32 | * @since Ant 1.5
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| 33 | *
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| 34 | * @ant.task category="packaging"
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| 35 | */
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| 36 |
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| 37 | public class BZip2 extends Pack {
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| 38 | protected void pack() {
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| 39 | CBZip2OutputStream zOut = null;
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| 40 | try {
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| 41 | BufferedOutputStream bos =
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| 42 | new BufferedOutputStream(new FileOutputStream(zipFile));
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| 43 | bos.write('B');
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| 44 | bos.write('Z');
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| 45 | zOut = new CBZip2OutputStream(bos);
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| 46 | zipFile(source, zOut);
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| 47 | } catch (IOException ioe) {
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| 48 | String msg = "Problem creating bzip2 " + ioe.getMessage();
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| 49 | throw new BuildException(msg, ioe, getLocation());
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| 50 | } finally {
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| 51 | if (zOut != null) {
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| 52 | try {
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| 53 | // close up
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| 54 | zOut.close();
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| 55 | } catch (IOException e) {
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| 56 | //ignore
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| 57 | }
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| 58 | }
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| 59 | }
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| 60 | }
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| 61 | }
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