| /* |
| * 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; |
| } |
| } |