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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/message/BasicHttpResponse.java $
      3  * $Revision: 573864 $
      4  * $Date: 2007-09-08 08:53:25 -0700 (Sat, 08 Sep 2007) $
      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.message;
     33 
     34 import java.util.Locale;
     35 
     36 import org.apache.http.HttpEntity;
     37 import org.apache.http.HttpResponse;
     38 import org.apache.http.ProtocolVersion;
     39 import org.apache.http.StatusLine;
     40 import org.apache.http.ReasonPhraseCatalog;
     41 
     42 
     43 /**
     44  * Basic implementation of an HTTP response that can be modified.
     45  * This implementation makes sure that there always is a status line.
     46  *
     47  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
     48  *
     49  * @version $Revision: 573864 $
     50  *
     51  * @since 4.0
     52  *
     53  * @deprecated Please use {@link java.net.URL#openConnection} instead.
     54  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
     55  *     for further details.
     56  */
     57 @Deprecated
     58 public class BasicHttpResponse extends AbstractHttpMessage
     59     implements HttpResponse {
     60 
     61     private StatusLine          statusline;
     62     private HttpEntity          entity;
     63     private ReasonPhraseCatalog reasonCatalog;
     64     private Locale              locale;
     65 
     66 
     67     /**
     68      * Creates a new response.
     69      * This is the constructor to which all others map.
     70      *
     71      * @param statusline        the status line
     72      * @param catalog           the reason phrase catalog, or
     73      *                          <code>null</code> to disable automatic
     74      *                          reason phrase lookup
     75      * @param locale            the locale for looking up reason phrases, or
     76      *                          <code>null</code> for the system locale
     77      */
     78     public BasicHttpResponse(final StatusLine statusline,
     79                              final ReasonPhraseCatalog catalog,
     80                              final Locale locale) {
     81         super();
     82         if (statusline == null) {
     83             throw new IllegalArgumentException("Status line may not be null.");
     84         }
     85         this.statusline    = statusline;
     86         this.reasonCatalog = catalog;
     87         this.locale        = (locale != null) ? locale : Locale.getDefault();
     88     }
     89 
     90     /**
     91      * Creates a response from a status line.
     92      * The response will not have a reason phrase catalog and
     93      * use the system default locale.
     94      *
     95      * @param statusline        the status line
     96      */
     97     public BasicHttpResponse(final StatusLine statusline) {
     98         this(statusline, null, null);
     99     }
    100 
    101     /**
    102      * Creates a response from elements of a status line.
    103      * The response will not have a reason phrase catalog and
    104      * use the system default locale.
    105      *
    106      * @param ver       the protocol version of the response
    107      * @param code      the status code of the response
    108      * @param reason    the reason phrase to the status code, or
    109      *                  <code>null</code>
    110      */
    111     public BasicHttpResponse(final ProtocolVersion ver,
    112                              final int code,
    113                              final String reason) {
    114         this(new BasicStatusLine(ver, code, reason), null, null);
    115     }
    116 
    117 
    118     // non-javadoc, see interface HttpMessage
    119     public ProtocolVersion getProtocolVersion() {
    120         return this.statusline.getProtocolVersion();
    121     }
    122 
    123     // non-javadoc, see interface HttpResponse
    124     public StatusLine getStatusLine() {
    125         return this.statusline;
    126     }
    127 
    128     // non-javadoc, see interface HttpResponse
    129     public HttpEntity getEntity() {
    130         return this.entity;
    131     }
    132 
    133     // non-javadoc, see interface HttpResponse
    134     public Locale getLocale() {
    135         return this.locale;
    136     }
    137 
    138     // non-javadoc, see interface HttpResponse
    139     public void setStatusLine(final StatusLine statusline) {
    140         if (statusline == null) {
    141             throw new IllegalArgumentException("Status line may not be null");
    142         }
    143         this.statusline = statusline;
    144     }
    145 
    146     // non-javadoc, see interface HttpResponse
    147     public void setStatusLine(final ProtocolVersion ver, final int code) {
    148         // arguments checked in BasicStatusLine constructor
    149         this.statusline = new BasicStatusLine(ver, code, getReason(code));
    150     }
    151 
    152     // non-javadoc, see interface HttpResponse
    153     public void setStatusLine(final ProtocolVersion ver, final int code,
    154                               final String reason) {
    155         // arguments checked in BasicStatusLine constructor
    156         this.statusline = new BasicStatusLine(ver, code, reason);
    157     }
    158 
    159     // non-javadoc, see interface HttpResponse
    160     public void setStatusCode(int code) {
    161         // argument checked in BasicStatusLine constructor
    162         ProtocolVersion ver = this.statusline.getProtocolVersion();
    163         this.statusline = new BasicStatusLine(ver, code, getReason(code));
    164     }
    165 
    166     // non-javadoc, see interface HttpResponse
    167     public void setReasonPhrase(String reason) {
    168 
    169         if ((reason != null) && ((reason.indexOf('\n') >= 0) ||
    170                                  (reason.indexOf('\r') >= 0))
    171             ) {
    172             throw new IllegalArgumentException("Line break in reason phrase.");
    173         }
    174         this.statusline = new BasicStatusLine(this.statusline.getProtocolVersion(),
    175                                               this.statusline.getStatusCode(),
    176                                               reason);
    177     }
    178 
    179     // non-javadoc, see interface HttpResponse
    180     public void setEntity(final HttpEntity entity) {
    181         this.entity = entity;
    182     }
    183 
    184     // non-javadoc, see interface HttpResponse
    185     public void setLocale(Locale loc) {
    186         if (loc == null) {
    187             throw new IllegalArgumentException("Locale may not be null.");
    188         }
    189         this.locale = loc;
    190         final int code = this.statusline.getStatusCode();
    191         this.statusline = new BasicStatusLine
    192             (this.statusline.getProtocolVersion(), code, getReason(code));
    193     }
    194 
    195     /**
    196      * Looks up a reason phrase.
    197      * This method evaluates the currently set catalog and locale.
    198      * It also handles a missing catalog.
    199      *
    200      * @param code      the status code for which to look up the reason
    201      *
    202      * @return  the reason phrase, or <code>null</code> if there is none
    203      */
    204     protected String getReason(int code) {
    205         return (this.reasonCatalog == null) ?
    206             null : this.reasonCatalog.getReason(code, this.locale);
    207     }
    208 
    209 }
    210