001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.client.methods;
029
030import org.apache.http.Header;
031import org.apache.http.HttpEntity;
032import org.apache.http.HttpEntityEnclosingRequest;
033import org.apache.http.client.utils.CloneUtils;
034import org.apache.http.protocol.HTTP;
035
036/**
037 * Basic implementation of an entity enclosing HTTP request
038 * that can be modified
039 *
040 * @since 4.0
041 */
042public abstract class HttpEntityEnclosingRequestBase
043    extends HttpRequestBase implements HttpEntityEnclosingRequest {
044
045    private HttpEntity entity;
046
047    public HttpEntityEnclosingRequestBase() {
048        super();
049    }
050
051    @Override
052    public HttpEntity getEntity() {
053        return this.entity;
054    }
055
056    @Override
057    public void setEntity(final HttpEntity entity) {
058        this.entity = entity;
059    }
060
061    @Override
062    public boolean expectContinue() {
063        final Header expect = getFirstHeader(HTTP.EXPECT_DIRECTIVE);
064        return expect != null && HTTP.EXPECT_CONTINUE.equalsIgnoreCase(expect.getValue());
065    }
066
067    @Override
068    public Object clone() throws CloneNotSupportedException {
069        final HttpEntityEnclosingRequestBase clone =
070            (HttpEntityEnclosingRequestBase) super.clone();
071        if (this.entity != null) {
072            clone.entity = CloneUtils.cloneObject(this.entity);
073        }
074        return clone;
075    }
076
077}