1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tools.layoutlib.java; 18 19 import com.android.tools.layoutlib.create.ReplaceMethodCallsAdapter; 20 21 import java.util.Iterator; 22 import java.util.LinkedHashMap; 23 import java.util.Map; 24 import java.util.Map.Entry; 25 26 /** 27 * Provides alternate implementation to java.util.LinkedHashMap#eldest(), which is present as a 28 * non-public method in the Android VM, but not present on the host VM. This is injected in the 29 * layoutlib using {@link ReplaceMethodCallsAdapter}. 30 */ 31 public class LinkedHashMap_Delegate { eldest(LinkedHashMap<K,V> map)32 public static <K,V> Map.Entry<K,V> eldest(LinkedHashMap<K,V> map) { 33 Iterator<Entry<K, V>> iterator = map.entrySet().iterator(); 34 return iterator.hasNext() ? iterator.next() : null; 35 } 36 } 37