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      1 /*
      2  * Copyright (C) 2008 Esmertec AG.
      3  * Copyright (C) 2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.util;
     19 
     20 import com.android.mms.LogTag;
     21 
     22 import java.util.HashMap;
     23 
     24 import android.util.Log;
     25 
     26 public class SendingProgressTokenManager {
     27     private static final String TAG = LogTag.TAG;
     28     private static final boolean DEBUG = false;
     29     private static final boolean LOCAL_LOGV = false;
     30     private static final HashMap<Object, Long> TOKEN_POOL;
     31 
     32     public static final long NO_TOKEN = -1L;
     33 
     34     static {
     35         TOKEN_POOL = new HashMap<Object, Long>();
     36     }
     37 
     38     synchronized public static long get(Object key) {
     39         Long token = TOKEN_POOL.get(key);
     40         if (LOCAL_LOGV) {
     41             Log.v(TAG, "TokenManager.get(" + key + ") -> " + token);
     42         }
     43         return token != null ? token : NO_TOKEN;
     44     }
     45 
     46     synchronized public static void put(Object key, long token) {
     47         if (LOCAL_LOGV) {
     48             Log.v(TAG, "TokenManager.put(" + key + ", " + token + ")");
     49         }
     50         TOKEN_POOL.put(key, token);
     51     }
     52 
     53     synchronized public static void remove(Object key) {
     54         if (LOCAL_LOGV) {
     55             Log.v(TAG, "TokenManager.remove(" + key + ")");
     56         }
     57         TOKEN_POOL.remove(key);
     58     }
     59 }
     60