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authorAshlee Young <ashlee@onosfw.com>2015-10-23 10:00:02 -0700
committerAshlee Young <ashlee@onosfw.com>2015-10-23 10:00:02 -0700
commit753a6c60f47f3ac4f270005b65e9d6481de8eb68 (patch)
tree3d0a1ae3b4d994550f6614b417b991eee3eb8911 /framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/BUnzip2.java
parentc62d20eb3b4620c06d833be06f50b2600d96dd42 (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')
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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
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+++ 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
+ * &lt;gunzip&gt;. 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);
+ }
+}