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/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 * .
 *
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package org.apache.http.impl.client;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.ProtocolException;
import org.apache.http.annotation.NotThreadSafe;
import org.apache.http.entity.HttpEntityWrapper;
import org.apache.http.protocol.HTTP;

/**
 * A wrapper class for {@link HttpEntityEnclosingRequest}s that can
 * be used to change properties of the current request without
 * modifying the original object.
 * 

* This class is also capable of resetting the request headers to * the state of the original request. * * @since 4.0 * * @deprecated (4.3) do not use. */ @Deprecated @NotThreadSafe // e.g. [gs]etEntity() public class EntityEnclosingRequestWrapper extends RequestWrapper implements HttpEntityEnclosingRequest { private HttpEntity entity; private boolean consumed; public EntityEnclosingRequestWrapper(final HttpEntityEnclosingRequest request) throws ProtocolException { super(request); setEntity(request.getEntity()); } public HttpEntity getEntity() { return this.entity; } public void setEntity(final HttpEntity entity) { this.entity = entity != null ? new EntityWrapper(entity) : null; this.consumed = false; } public boolean expectContinue() { final Header expect = getFirstHeader(HTTP.EXPECT_DIRECTIVE); return expect != null && HTTP.EXPECT_CONTINUE.equalsIgnoreCase(expect.getValue()); } @Override public boolean isRepeatable() { return this.entity == null || this.entity.isRepeatable() || !this.consumed; } class EntityWrapper extends HttpEntityWrapper { EntityWrapper(final HttpEntity entity) { super(entity); } @Override public void consumeContent() throws IOException { consumed = true; super.consumeContent(); } @Override public InputStream getContent() throws IOException { consumed = true; return super.getContent(); } @Override public void writeTo(final OutputStream outstream) throws IOException { consumed = true; super.writeTo(outstream); } } }




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