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/*
* Copyright 2007 Google Inc.
*
* Licensed 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 com.tonicsystems.jarjar;
import com.tonicsystems.jarjar.util.*;
import java.io.*;
import java.util.*;
public abstract class AbstractDepHandler implements DepHandler {
protected final int level;
private final Set<List<Object>> seenIt = new HashSet<List<Object>>();
protected AbstractDepHandler(int level) {
this.level = level;
}
public void handle(PathClass from, PathClass to) throws IOException {
List<Object> pair;
if (level == LEVEL_JAR) {
pair = createPair(from.getClassPath(), to.getClassPath());
} else {
pair = createPair(from.getClassName(), to.getClassName());
}
if (!seenIt.contains(pair)) {
seenIt.add(pair);
handle(pair.get(0).toString(), pair.get(1).toString());
}
}
protected abstract void handle(String from, String to) throws IOException;
public void handleStart() throws IOException {}
public void handleEnd() throws IOException {}
private static List<Object> createPair(Object o1, Object o2) {
List<Object> list = new ArrayList<Object>(2);
list.add(o1);
list.add(o2);
return list;
}
}
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