diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/TarResource.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/TarResource.java | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/TarResource.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/TarResource.java new file mode 100644 index 00000000..62f1f267 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/TarResource.java @@ -0,0 +1,198 @@ +/* + * 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.types.resources; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.Project; +import org.apache.tools.ant.types.Resource; +import org.apache.tools.ant.util.FileUtils; +import org.apache.tools.tar.TarEntry; +import org.apache.tools.tar.TarInputStream; + +/** + * A Resource representation of an entry in a tar archive. + * @since Ant 1.7 + */ +public class TarResource extends ArchiveResource { + + private String userName = ""; + private String groupName = ""; + private int uid; + private int gid; + + /** + * Default constructor. + */ + public TarResource() { + } + + /** + * Construct a TarResource representing the specified + * entry in the specified archive. + * @param a the archive as File. + * @param e the TarEntry. + */ + public TarResource(File a, TarEntry e) { + super(a, true); + setEntry(e); + } + + /** + * Construct a TarResource representing the specified + * entry in the specified archive. + * @param a the archive as Resource. + * @param e the TarEntry. + */ + public TarResource(Resource a, TarEntry e) { + super(a, true); + setEntry(e); + } + + /** + * Return an InputStream for reading the contents of this Resource. + * @return an InputStream object. + * @throws IOException if the tar file cannot be opened, + * or the entry cannot be read. + */ + public InputStream getInputStream() throws IOException { + if (isReference()) { + return ((Resource) getCheckedRef()).getInputStream(); + } + Resource archive = getArchive(); + final TarInputStream i = new TarInputStream(archive.getInputStream()); + TarEntry te = null; + while ((te = i.getNextEntry()) != null) { + if (te.getName().equals(getName())) { + return i; + } + } + + FileUtils.close(i); + throw new BuildException("no entry " + getName() + " in " + + getArchive()); + } + + /** + * Get an OutputStream for the Resource. + * @return an OutputStream to which content can be written. + * @throws IOException if unable to provide the content of this + * Resource as a stream. + * @throws UnsupportedOperationException if OutputStreams are not + * supported for this Resource type. + */ + public OutputStream getOutputStream() throws IOException { + if (isReference()) { + return ((Resource) getCheckedRef()).getOutputStream(); + } + throw new UnsupportedOperationException( + "Use the tar task for tar output."); + } + + /** + * @return the user name for the tar entry + */ + public String getUserName() { + if (isReference()) { + return ((TarResource) getCheckedRef()).getUserName(); + } + checkEntry(); + return userName; + } + + /** + * @return the group name for the tar entry + */ + public String getGroup() { + if (isReference()) { + return ((TarResource) getCheckedRef()).getGroup(); + } + checkEntry(); + return groupName; + } + + /** + * @return the uid for the tar entry + */ + public int getUid() { + if (isReference()) { + return ((TarResource) getCheckedRef()).getUid(); + } + checkEntry(); + return uid; + } + + /** + * @return the gid for the tar entry + */ + public int getGid() { + if (isReference()) { + return ((TarResource) getCheckedRef()).getGid(); + } + checkEntry(); + return gid; + } + + /** + * fetches information from the named entry inside the archive. + */ + protected void fetchEntry() { + Resource archive = getArchive(); + TarInputStream i = null; + try { + i = new TarInputStream(archive.getInputStream()); + TarEntry te = null; + while ((te = i.getNextEntry()) != null) { + if (te.getName().equals(getName())) { + setEntry(te); + return; + } + } + } catch (IOException e) { + log(e.getMessage(), Project.MSG_DEBUG); + throw new BuildException(e); + } finally { + if (i != null) { + FileUtils.close(i); + } + } + setEntry(null); + } + + private void setEntry(TarEntry e) { + if (e == null) { + setExists(false); + return; + } + setName(e.getName()); + setExists(true); + setLastModified(e.getModTime().getTime()); + setDirectory(e.isDirectory()); + setSize(e.getSize()); + setMode(e.getMode()); + userName = e.getUserName(); + groupName = e.getGroupName(); + uid = e.getUserId(); + gid = e.getGroupId(); + } + +} |