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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 java.io.IOException;
import java.util.Map;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.resources.TarResource;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.tar.TarInputStream;
/**
* Scans tar archives for resources.
*/
public class TarScanner 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<String, Resource> fileEntries, Map<String, Resource> matchFileEntries,
Map<String, Resource> dirEntries, Map<String, Resource> matchDirEntries) {
TarEntry entry = null;
TarInputStream ti = null;
try {
try {
ti = new TarInputStream(src.getInputStream(), encoding);
} catch (IOException ex) {
throw new BuildException("problem opening " + srcFile, ex);
}
while ((entry = ti.getNextEntry()) != null) {
Resource r = new TarResource(src, 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);
}
}
}
} catch (IOException ex) {
throw new BuildException("problem reading " + srcFile, ex);
} finally {
FileUtils.close(ti);
}
}
}
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