| /* |
| * 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) { |
| checkZipFileSetAttributesAllowed(); |
| this.encoding = enc; |
| } |
| |
| /** |
| * Get the encoding used for this ZipFileSet. |
| * @return String encoding. |
| * @since Ant 1.7 |
| */ |
| public String getEncoding() { |
| if (isReference()) { |
| AbstractFileSet ref = getRef(getProject()); |
| if (ref instanceof ZipFileSet) { |
| return ((ZipFileSet) ref).getEncoding(); |
| } else { |
| return null; |
| } |
| } |
| return encoding; |
| } |
| |
| /** |
| * Return a new archive scanner based on this one. |
| * @return a new ZipScanner with the same encoding as this one. |
| */ |
| 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(); |
| } |
| } |
| |
| /** |
| * A check attributes for zipFileSet. |
| * If there is a reference, and |
| * it is a ZipFileSet, the zip fileset attributes |
| * cannot be used. |
| */ |
| private void checkZipFileSetAttributesAllowed() { |
| if (getProject() == null |
| || (isReference() |
| && (getRefid().getReferencedObject( |
| getProject()) |
| instanceof ZipFileSet))) { |
| checkAttributesAllowed(); |
| } |
| } |
| |
| } |