| /* |
| * 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.weex.bridge; |
| |
| import android.text.TextUtils; |
| |
| import java.util.HashMap; |
| import java.util.Stack; |
| |
| /** |
| * HashMap for Weex |
| */ |
| public class WXHashMap<K, V> extends HashMap<K, V> { |
| |
| private static final long serialVersionUID = 4294272345728974369L; |
| |
| private Stack<String> instancesStack = new Stack<String>(); |
| private String mTag; |
| |
| @Override |
| public V put(K key, V value) { |
| if (key != null && key.toString() != null) { |
| if (instancesStack.contains(key)) { |
| instancesStack.remove(key); |
| } |
| instancesStack.push(key.toString()); |
| } |
| return super.put(key, value); |
| } |
| |
| @Override |
| public V remove(Object key) { |
| return super.remove(key); |
| } |
| |
| public V removeFromMapAndStack(Object key) { |
| instancesStack.remove(key); |
| return super.remove(key); |
| } |
| |
| /** |
| * Get instance Id of the top of the stack |
| * |
| * @return |
| */ |
| public String getStackTopInstanceId() { |
| return instancesStack.isEmpty() ? "" : instancesStack.pop(); |
| } |
| |
| /** |
| * Move instanceId to the top of the stack |
| * |
| * @param id |
| */ |
| public void setStackTopInstance(String id) { |
| if (!TextUtils.isEmpty(id)) { |
| instancesStack.remove(id); |
| instancesStack.push(id); |
| } |
| } |
| |
| public Stack<String> getInstanceStack() { |
| return instancesStack; |
| } |
| |
| public String getTag() { |
| return mTag; |
| } |
| |
| public void setTag(String tag) { |
| this.mTag = tag; |
| } |
| |
| } |