| /* |
| * Copyright (C) 2011 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.android.i18n.phonenumbers.geocoding; |
| |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.SortedMap; |
| |
| /** |
| * Default area code map storage strategy that is used for data not containing description |
| * duplications. It is mainly intended to avoid the overhead of the string table management when it |
| * is actually unnecessary (i.e no string duplication). |
| * |
| * @author Shaopeng Jia |
| */ |
| class DefaultMapStorage extends AreaCodeMapStorageStrategy { |
| |
| public DefaultMapStorage() {} |
| |
| private int[] phoneNumberPrefixes; |
| private String[] descriptions; |
| |
| @Override |
| public boolean isFlyweight() { |
| return false; |
| } |
| |
| @Override |
| public int getPrefix(int index) { |
| return phoneNumberPrefixes[index]; |
| } |
| |
| @Override |
| public String getDescription(int index) { |
| return descriptions[index]; |
| } |
| |
| @Override |
| public void readFromSortedMap(SortedMap<Integer, String> sortedAreaCodeMap) { |
| numOfEntries = sortedAreaCodeMap.size(); |
| phoneNumberPrefixes = new int[numOfEntries]; |
| descriptions = new String[numOfEntries]; |
| int index = 0; |
| for (int prefix : sortedAreaCodeMap.keySet()) { |
| phoneNumberPrefixes[index++] = prefix; |
| possibleLengths.add((int) Math.log10(prefix) + 1); |
| } |
| sortedAreaCodeMap.values().toArray(descriptions); |
| } |
| |
| @Override |
| public void readExternal(ObjectInput objectInput) throws IOException { |
| numOfEntries = objectInput.readInt(); |
| if (phoneNumberPrefixes == null || phoneNumberPrefixes.length < numOfEntries) { |
| phoneNumberPrefixes = new int[numOfEntries]; |
| } |
| if (descriptions == null || descriptions.length < numOfEntries) { |
| descriptions = new String[numOfEntries]; |
| } |
| for (int i = 0; i < numOfEntries; i++) { |
| phoneNumberPrefixes[i] = objectInput.readInt(); |
| descriptions[i] = objectInput.readUTF(); |
| } |
| int sizeOfLengths = objectInput.readInt(); |
| possibleLengths.clear(); |
| for (int i = 0; i < sizeOfLengths; i++) { |
| possibleLengths.add(objectInput.readInt()); |
| } |
| } |
| |
| @Override |
| public void writeExternal(ObjectOutput objectOutput) throws IOException { |
| objectOutput.writeInt(numOfEntries); |
| for (int i = 0; i < numOfEntries; i++) { |
| objectOutput.writeInt(phoneNumberPrefixes[i]); |
| objectOutput.writeUTF(descriptions[i]); |
| } |
| int sizeOfLengths = possibleLengths.size(); |
| objectOutput.writeInt(sizeOfLengths); |
| for (Integer length : possibleLengths) { |
| objectOutput.writeInt(length); |
| } |
| } |
| } |