/*
* 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 java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Map;
import java.util.zip.ZipException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.resources.FileResource;
import org.apache.tools.ant.types.resources.ZipResource;
import org.apache.tools.ant.types.resources.FileProvider;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
/**
* Scans zip archives for resources.
*/
public class ZipScanner extends ArchiveScanner {
/**
* Fills the file and directory maps with resources read from the
* archive.
*
* @param src the archive to scan.
* @param encoding encoding used to encode file names inside the archive.
* @param fileEntries Map (name to resource) of non-directory
* resources found inside the archive.
* @param matchFileEntries Map (name to resource) of non-directory
* resources found inside the archive that matched all include
* patterns and didn't match any exclude patterns.
* @param dirEntries Map (name to resource) of directory
* resources found inside the archive.
* @param matchDirEntries Map (name to resource) of directory
* resources found inside the archive that matched all include
* patterns and didn't match any exclude patterns.
*/
protected void fillMapsFromArchive(Resource src, String encoding,
Map fileEntries, Map matchFileEntries,
Map dirEntries, Map matchDirEntries) {
ZipEntry entry = null;
ZipFile zf = null;
File srcFile = null;
FileProvider fp = (FileProvider) src.as(FileProvider.class);
if (fp != null) {
srcFile = fp.getFile();
} else {
throw new BuildException("Only file provider resources are supported");
}
try {
try {
zf = new ZipFile(srcFile, encoding);
} catch (ZipException ex) {
throw new BuildException("Problem reading " + srcFile, ex);
} catch (IOException ex) {
throw new BuildException("Problem opening " + srcFile, ex);
}
Enumeration e = zf.getEntries();
while (e.hasMoreElements()) {
entry = (ZipEntry) e.nextElement();
Resource r = new ZipResource(srcFile, encoding, entry);
String name = entry.getName();
if (entry.isDirectory()) {
name = trimSeparator(name);
dirEntries.put(name, r);
if (match(name)) {
matchDirEntries.put(name, r);
}
} else {
fileEntries.put(name, r);
if (match(name)) {
matchFileEntries.put(name, r);
}
}
}
} finally {
ZipFile.closeQuietly(zf);
}
}
}