michael@0: /*
michael@0:  * ====================================================================
michael@0:  * Licensed to the Apache Software Foundation (ASF) under one
michael@0:  * or more contributor license agreements.  See the NOTICE file
michael@0:  * distributed with this work for additional information
michael@0:  * regarding copyright ownership.  The ASF licenses this file
michael@0:  * to you under the Apache License, Version 2.0 (the
michael@0:  * "License"); you may not use this file except in compliance
michael@0:  * with the License.  You may obtain a copy of the License at
michael@0:  *
michael@0:  *   http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing,
michael@0:  * software distributed under the License is distributed on an
michael@0:  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0:  * KIND, either express or implied.  See the License for the
michael@0:  * specific language governing permissions and limitations
michael@0:  * under the License.
michael@0:  * ====================================================================
michael@0:  *
michael@0:  * This software consists of voluntary contributions made by many
michael@0:  * individuals on behalf of the Apache Software Foundation.  For more
michael@0:  * information on the Apache Software Foundation, please see
michael@0:  * <http://www.apache.org/>.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: package ch.boye.httpclientandroidlib.impl.client;
michael@0: 
michael@0: import java.io.IOException;
michael@0: import java.io.InputStream;
michael@0: import java.io.OutputStream;
michael@0: 
michael@0: import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
michael@0: import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;
michael@0: 
michael@0: import ch.boye.httpclientandroidlib.Header;
michael@0: import ch.boye.httpclientandroidlib.HttpEntity;
michael@0: import ch.boye.httpclientandroidlib.HttpEntityEnclosingRequest;
michael@0: import ch.boye.httpclientandroidlib.ProtocolException;
michael@0: import ch.boye.httpclientandroidlib.protocol.HTTP;
michael@0: 
michael@0: /**
michael@0:  * A wrapper class for {@link HttpEntityEnclosingRequest}s that can
michael@0:  * be used to change properties of the current request without
michael@0:  * modifying the original object.
michael@0:  * </p>
michael@0:  * This class is also capable of resetting the request headers to
michael@0:  * the state of the original request.
michael@0:  *
michael@0:  *
michael@0:  * @since 4.0
michael@0:  */
michael@0: @NotThreadSafe // e.g. [gs]etEntity()
michael@0: public class EntityEnclosingRequestWrapper extends RequestWrapper
michael@0:     implements HttpEntityEnclosingRequest {
michael@0: 
michael@0:     private HttpEntity entity;
michael@0:     private boolean consumed;
michael@0: 
michael@0:     public EntityEnclosingRequestWrapper(final HttpEntityEnclosingRequest request)
michael@0:         throws ProtocolException {
michael@0:         super(request);
michael@0:         setEntity(request.getEntity());
michael@0:     }
michael@0: 
michael@0:     public HttpEntity getEntity() {
michael@0:         return this.entity;
michael@0:     }
michael@0: 
michael@0:     public void setEntity(final HttpEntity entity) {
michael@0:         this.entity = entity != null ? new EntityWrapper(entity) : null;
michael@0:         this.consumed = false;
michael@0:     }
michael@0: 
michael@0:     public boolean expectContinue() {
michael@0:         Header expect = getFirstHeader(HTTP.EXPECT_DIRECTIVE);
michael@0:         return expect != null && HTTP.EXPECT_CONTINUE.equalsIgnoreCase(expect.getValue());
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isRepeatable() {
michael@0:         return this.entity == null || this.entity.isRepeatable() || !this.consumed;
michael@0:     }
michael@0: 
michael@0:     class EntityWrapper extends HttpEntityWrapper {
michael@0: 
michael@0:         EntityWrapper(final HttpEntity entity) {
michael@0:             super(entity);
michael@0:         }
michael@0: 
michael@0:         @Deprecated
michael@0:         @Override
michael@0:         public void consumeContent() throws IOException {
michael@0:             consumed = true;
michael@0:             super.consumeContent();
michael@0:         }
michael@0: 
michael@0:         @Override
michael@0:         public InputStream getContent() throws IOException {
michael@0:             consumed = true;
michael@0:             return super.getContent();
michael@0:         }
michael@0: 
michael@0:         @Override
michael@0:         public void writeTo(final OutputStream outstream) throws IOException {
michael@0:             consumed = true;
michael@0:             super.writeTo(outstream);
michael@0:         }
michael@0: 
michael@0:     }
michael@0: 
michael@0: }