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.impl.io;
029
030import java.io.IOException;
031
032import org.apache.http.HttpResponse;
033import org.apache.http.io.SessionOutputBuffer;
034import org.apache.http.message.LineFormatter;
035
036/**
037 * HTTP response writer that serializes its output to an instance of {@link SessionOutputBuffer}.
038 *
039 * @since 4.3
040 */
041public class DefaultHttpResponseWriter extends AbstractMessageWriter<HttpResponse> {
042
043    /**
044     * Creates an instance of DefaultHttpResponseWriter.
045     *
046     * @param buffer the session output buffer.
047     * @param formatter the line formatter If {@code null}
048     *  {@link org.apache.http.message.BasicLineFormatter#INSTANCE}
049     *   will be used.
050     */
051    public DefaultHttpResponseWriter(
052            final SessionOutputBuffer buffer,
053            final LineFormatter formatter) {
054        super(buffer, formatter);
055    }
056
057    public DefaultHttpResponseWriter(final SessionOutputBuffer buffer) {
058        super(buffer, null);
059    }
060
061    @Override
062    protected void writeHeadLine(final HttpResponse message) throws IOException {
063        lineFormatter.formatStatusLine(this.lineBuf, message.getStatusLine());
064        this.sessionBuffer.writeLine(this.lineBuf);
065    }
066
067}