diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-10-23 10:00:02 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-10-23 10:00:02 -0700 |
commit | 753a6c60f47f3ac4f270005b65e9d6481de8eb68 (patch) | |
tree | 3d0a1ae3b4d994550f6614b417b991eee3eb8911 /framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java | |
parent | c62d20eb3b4620c06d833be06f50b2600d96dd42 (diff) |
Adding maven and ant source trees
Change-Id: I0a39b9add833a31b9c3f98d193983ae2f3a5a445
Signed-off-by: Ashlee Young <ashlee@onosfw.com>
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java new file mode 100644 index 00000000..323b738c --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java @@ -0,0 +1,112 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.apache.tools.ant.taskdefs; + + +import java.io.BufferedInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.util.FileUtils; +import org.apache.tools.bzip2.CBZip2InputStream; + +/** + * Expands a file that has been compressed with the BZIP2 + * algorithm. Normally used to compress non-compressed archives such + * as TAR files. + * + * @since Ant 1.5 + * + * @ant.task category="packaging" + */ + +public class BUnzip2 extends Unpack { + + private static final int BUFFER_SIZE = 8 * 1024; + + private static final String DEFAULT_EXTENSION = ".bz2"; + + /** + * Get the default extension. + * @return the string ".bz2" + */ + protected String getDefaultExtension() { + return DEFAULT_EXTENSION; + } + + /** + * Do the unbzipping. + */ + protected void extract() { + if (source.lastModified() > dest.lastModified()) { + log("Expanding " + source.getAbsolutePath() + " to " + + dest.getAbsolutePath()); + + FileOutputStream out = null; + CBZip2InputStream zIn = null; + InputStream fis = null; + BufferedInputStream bis = null; + try { + out = new FileOutputStream(dest); + fis = srcResource.getInputStream(); + bis = new BufferedInputStream(fis); + int b = bis.read(); + if (b != 'B') { + throw new BuildException("Invalid bz2 file.", getLocation()); + } + b = bis.read(); + if (b != 'Z') { + throw new BuildException("Invalid bz2 file.", getLocation()); + } + zIn = new CBZip2InputStream(bis, true); + byte[] buffer = new byte[BUFFER_SIZE]; + int count = 0; + do { + out.write(buffer, 0, count); + count = zIn.read(buffer, 0, buffer.length); + } while (count != -1); + } catch (IOException ioe) { + String msg = "Problem expanding bzip2 " + ioe.getMessage(); + throw new BuildException(msg, ioe, getLocation()); + } finally { + FileUtils.close(bis); + FileUtils.close(fis); + FileUtils.close(out); + FileUtils.close(zIn); + } + } + } + + /** + * Whether this task can deal with non-file resources. + * + * <p>This implementation returns true only if this task is + * <gunzip>. Any subclass of this class that also wants to + * support non-file resources needs to override this method. We + * need to do so for backwards compatibility reasons since we + * can't expect subclasses to support resources.</p> + * @return true if this class supports non file resources. + * @since Ant 1.7 + */ + protected boolean supportsNonFileResources() { + return getClass().equals(BUnzip2.class); + } +} |