The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/EntityEnclosingRequestWrapper.java@fc2d59ddac77

     1 /*

     2  * ====================================================================

     3  * Licensed to the Apache Software Foundation (ASF) under one

     4  * or more contributor license agreements.  See the NOTICE file

     5  * distributed with this work for additional information

     6  * regarding copyright ownership.  The ASF licenses this file

     7  * to you under the Apache License, Version 2.0 (the

     8  * "License"); you may not use this file except in compliance

     9  * with the License.  You may obtain a copy of the License at

    10  *

    11  *   http://www.apache.org/licenses/LICENSE-2.0

    12  *

    13  * Unless required by applicable law or agreed to in writing,

    14  * software distributed under the License is distributed on an

    15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

    16  * KIND, either express or implied.  See the License for the

    17  * specific language governing permissions and limitations

    18  * under the License.

    19  * ====================================================================

    20  *

    21  * This software consists of voluntary contributions made by many

    22  * individuals on behalf of the Apache Software Foundation.  For more

    23  * information on the Apache Software Foundation, please see

    24  * <http://www.apache.org/>.

    25  *

    26  */

    28 package ch.boye.httpclientandroidlib.impl.client;

    30 import java.io.IOException;

    31 import java.io.InputStream;

    32 import java.io.OutputStream;

    34 import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;

    35 import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;

    37 import ch.boye.httpclientandroidlib.Header;

    38 import ch.boye.httpclientandroidlib.HttpEntity;

    39 import ch.boye.httpclientandroidlib.HttpEntityEnclosingRequest;

    40 import ch.boye.httpclientandroidlib.ProtocolException;

    41 import ch.boye.httpclientandroidlib.protocol.HTTP;

    43 /**

    44  * A wrapper class for {@link HttpEntityEnclosingRequest}s that can

    45  * be used to change properties of the current request without

    46  * modifying the original object.

    47  * </p>

    48  * This class is also capable of resetting the request headers to

    49  * the state of the original request.

    50  *

    51  *

    52  * @since 4.0

    53  */

    54 @NotThreadSafe // e.g. [gs]etEntity()

    55 public class EntityEnclosingRequestWrapper extends RequestWrapper

    56     implements HttpEntityEnclosingRequest {

    58     private HttpEntity entity;

    59     private boolean consumed;

    61     public EntityEnclosingRequestWrapper(final HttpEntityEnclosingRequest request)

    62         throws ProtocolException {

    63         super(request);

    64         setEntity(request.getEntity());

    65     }

    67     public HttpEntity getEntity() {

    68         return this.entity;

    69     }

    71     public void setEntity(final HttpEntity entity) {

    72         this.entity = entity != null ? new EntityWrapper(entity) : null;

    73         this.consumed = false;

    74     }

    76     public boolean expectContinue() {

    77         Header expect = getFirstHeader(HTTP.EXPECT_DIRECTIVE);

    78         return expect != null && HTTP.EXPECT_CONTINUE.equalsIgnoreCase(expect.getValue());

    79     }

    81     @Override

    82     public boolean isRepeatable() {

    83         return this.entity == null || this.entity.isRepeatable() || !this.consumed;

    84     }

    86     class EntityWrapper extends HttpEntityWrapper {

    88         EntityWrapper(final HttpEntity entity) {

    89             super(entity);

    90         }

    92         @Deprecated

    93         @Override

    94         public void consumeContent() throws IOException {

    95             consumed = true;

    96             super.consumeContent();

    97         }

    99         @Override

   100         public InputStream getContent() throws IOException {

   101             consumed = true;

   102             return super.getContent();

   103         }

   105         @Override

   106         public void writeTo(final OutputStream outstream) throws IOException {

   107             consumed = true;

   108             super.writeTo(outstream);

   109         }

   111     }

   113 }

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