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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/BasicHttpContext.java $
      3  * $Revision: 654882 $
      4  * $Date: 2008-05-09 09:58:59 -0700 (Fri, 09 May 2008) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 
     32 package org.apache.http.protocol;
     33 
     34 import java.util.HashMap;
     35 import java.util.Map;
     36 
     37 /**
     38  * Default implementation of the {@link HttpContext HttpContext}.
     39  *
     40  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
     41  *
     42  * @version $Revision: 654882 $
     43  *
     44  * @since 4.0
     45  *
     46  * @deprecated Please use {@link java.net.URL#openConnection} instead.
     47  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
     48  *     for further details.
     49  */
     50 @Deprecated
     51 public class BasicHttpContext implements HttpContext {
     52 
     53     private final HttpContext parentContext;
     54     private Map map = null;
     55 
     56     public BasicHttpContext() {
     57         this(null);
     58     }
     59 
     60     public BasicHttpContext(final HttpContext parentContext) {
     61         super();
     62         this.parentContext = parentContext;
     63     }
     64 
     65     public Object getAttribute(final String id) {
     66         if (id == null) {
     67             throw new IllegalArgumentException("Id may not be null");
     68         }
     69         Object obj = null;
     70         if (this.map != null) {
     71             obj = this.map.get(id);
     72         }
     73         if (obj == null && this.parentContext != null) {
     74             obj = this.parentContext.getAttribute(id);
     75         }
     76         return obj;
     77     }
     78 
     79     public void setAttribute(final String id, final Object obj) {
     80         if (id == null) {
     81             throw new IllegalArgumentException("Id may not be null");
     82         }
     83         if (this.map == null) {
     84             this.map = new HashMap();
     85         }
     86         this.map.put(id, obj);
     87     }
     88 
     89     public Object removeAttribute(final String id) {
     90         if (id == null) {
     91             throw new IllegalArgumentException("Id may not be null");
     92         }
     93         if (this.map != null) {
     94             return this.map.remove(id);
     95         } else {
     96             return null;
     97         }
     98     }
     99 
    100 }
    101