diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/ZipResource.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/ZipResource.java | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/ZipResource.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/ZipResource.java new file mode 100644 index 00000000..37fc98ec --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/ZipResource.java @@ -0,0 +1,226 @@ +/* + * 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.FilterInputStream; +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.Reference; +import org.apache.tools.ant.types.Resource; +import org.apache.tools.ant.types.ResourceCollection; +import org.apache.tools.ant.util.FileUtils; +import org.apache.tools.zip.ZipEntry; +import org.apache.tools.zip.ZipExtraField; +import org.apache.tools.zip.ZipFile; + +/** + * A Resource representation of an entry in a zipfile. + * @since Ant 1.7 + */ +public class ZipResource extends ArchiveResource { + + private String encoding; + private ZipExtraField[] extras; + private int method; + + /** + * Default constructor. + */ + public ZipResource() { + } + + /** + * Construct a ZipResource representing the specified + * entry in the specified zipfile. + * @param z the zipfile as File. + * @param enc the encoding used for filenames. + * @param e the ZipEntry. + */ + public ZipResource(File z, String enc, ZipEntry e) { + super(z, true); + setEncoding(enc); + setEntry(e); + } + + /** + * Set the zipfile that holds this ZipResource. + * @param z the zipfile as a File. + */ + public void setZipfile(File z) { + setArchive(z); + } + + /** + * Get the zipfile that holds this ZipResource. + * @return the zipfile as a File. + */ + public File getZipfile() { + FileProvider fp = getArchive().as(FileProvider.class); + return fp.getFile(); + } + + /** + * Sets the archive that holds this as a single element Resource + * collection. + * @param a the archive as a single element Resource collection. + */ + public void addConfigured(ResourceCollection a) { + super.addConfigured(a); + if (!a.isFilesystemOnly()) { + throw new BuildException("only filesystem resources are supported"); + } + } + + /** + * Set the encoding to use with the zipfile. + * @param enc the String encoding. + */ + public void setEncoding(String enc) { + checkAttributesAllowed(); + encoding = enc; + } + + /** + * Get the encoding to use with the zipfile. + * @return String encoding. + */ + public String getEncoding() { + return isReference() + ? ((ZipResource) getCheckedRef()).getEncoding() : encoding; + } + + /** + * Overrides the super version. + * @param r the Reference to set. + */ + public void setRefid(Reference r) { + if (encoding != null) { + throw tooManyAttributes(); + } + super.setRefid(r); + } + + /** + * Return an InputStream for reading the contents of this Resource. + * @return an InputStream object. + * @throws IOException if the zip file cannot be opened, + * or the entry cannot be read. + */ + public InputStream getInputStream() throws IOException { + if (isReference()) { + return ((Resource) getCheckedRef()).getInputStream(); + } + final ZipFile z = new ZipFile(getZipfile(), getEncoding()); + ZipEntry ze = z.getEntry(getName()); + if (ze == null) { + z.close(); + throw new BuildException("no entry " + getName() + " in " + + getArchive()); + } + return new FilterInputStream(z.getInputStream(ze)) { + public void close() throws IOException { + FileUtils.close(in); + z.close(); + } + protected void finalize() throws Throwable { + try { + close(); + } finally { + super.finalize(); + } + } + }; + } + + /** + * 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 zip task for zip output."); + } + + /** + * Retrieves extra fields. + * @return an array of the extra fields + * @since Ant 1.8.0 + */ + public ZipExtraField[] getExtraFields() { + if (isReference()) { + return ((ZipResource) getCheckedRef()).getExtraFields(); + } + checkEntry(); + if (extras == null) { + return new ZipExtraField[0]; + } + return extras; + } + + /** + * The compression method that has been used. + * @since Ant 1.8.0 + */ + public int getMethod() { + return method; + } + + /** + * fetches information from the named entry inside the archive. + */ + protected void fetchEntry() { + ZipFile z = null; + try { + z = new ZipFile(getZipfile(), getEncoding()); + setEntry(z.getEntry(getName())); + } catch (IOException e) { + log(e.getMessage(), Project.MSG_DEBUG); + throw new BuildException(e); + } finally { + ZipFile.closeQuietly(z); + } + } + + private void setEntry(ZipEntry e) { + if (e == null) { + setExists(false); + return; + } + setName(e.getName()); + setExists(true); + setLastModified(e.getTime()); + setDirectory(e.isDirectory()); + setSize(e.getSize()); + setMode(e.getUnixMode()); + extras = e.getExtraFields(true); + method = e.getMethod(); + } + +} |