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/*
* 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;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
/**
* A ZipFileSet is a FileSet with extra attributes useful in the context of
* Zip/Jar tasks.
*
* A ZipFileSet extends FileSets with the ability to extract a subset of the
* entries of a Zip file for inclusion in another Zip file. It also includes
* a prefix attribute which is prepended to each entry in the output Zip file.
*
* Since ant 1.6 ZipFileSet can be defined with an id and referenced in packaging tasks
*
*/
public class ZipFileSet extends ArchiveFileSet {
private String encoding = null;
/** Constructor for ZipFileSet */
public ZipFileSet() {
super();
}
/**
* Constructor using a fileset arguement.
* @param fileset the fileset to use
*/
protected ZipFileSet(FileSet fileset) {
super(fileset);
}
/**
* Constructor using a zipfileset arguement.
* @param fileset the zipfileset to use
*/
protected ZipFileSet(ZipFileSet fileset) {
super(fileset);
encoding = fileset.encoding;
}
/**
* Set the encoding used for this ZipFileSet.
* @param enc encoding as String.
* @since Ant 1.7
*/
public void setEncoding(String enc) {
this.encoding = enc;
}
/**
* Get the encoding used for this ZipFileSet.
* @return String encoding.
* @since Ant 1.7
*/
public String getEncoding() {
return encoding;
}
protected ArchiveScanner newArchiveScanner() {
ZipScanner zs = new ZipScanner();
zs.setEncoding(encoding);
return zs;
}
/**
* A ZipFileset accepts another ZipFileSet or a FileSet as reference
* FileSets are often used by the war task for the lib attribute
* @param p the project to use
* @return the abstract fileset instance
*/
protected AbstractFileSet getRef(Project p) {
dieOnCircularReference(p);
Object o = getRefid().getReferencedObject(p);
if (o instanceof ZipFileSet) {
return (AbstractFileSet) o;
} else if (o instanceof FileSet) {
ZipFileSet zfs = new ZipFileSet((FileSet) o);
configureFileSet(zfs);
return zfs;
} else {
String msg = getRefid().getRefId() + " doesn\'t denote a zipfileset or a fileset";
throw new BuildException(msg);
}
}
/**
* Return a ZipFileSet that has the same properties
* as this one.
* @return the cloned zipFileSet
*/
public Object clone() {
if (isReference()) {
return ((ZipFileSet) getRef(getProject())).clone();
} else {
return super.clone();
}
}
}
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