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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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.
 */
package org.jboss.netty.handler.codec.http;

import org.jboss.netty.util.internal.StringUtil;

/**
 * The default {@link HttpResponse} implementation.
 */
public class DefaultHttpResponse extends DefaultHttpMessage implements HttpResponse {

    private HttpResponseStatus status;

    /**
     * Creates a new instance.
     *
     * @param version the HTTP version of this response
     * @param status  the status of this response
     */
    public DefaultHttpResponse(HttpVersion version, HttpResponseStatus status) {
        super(version);
        setStatus(status);
    }

    public HttpResponseStatus getStatus() {
        return status;
    }

    public void setStatus(HttpResponseStatus status) {
        if (status == null) {
            throw new NullPointerException("status");
        }
        this.status = status;
    }

    @Override
    public String toString() {
        StringBuilder buf = new StringBuilder();
        buf.append(getClass().getSimpleName());
        buf.append("(chunked: ");
        buf.append(isChunked());
        buf.append(')');
        buf.append(StringUtil.NEWLINE);
        buf.append(getProtocolVersion().getText());
        buf.append(' ');
        buf.append(getStatus().toString());
        buf.append(StringUtil.NEWLINE);
        appendHeaders(buf);

        // Remove the last newline.
        buf.setLength(buf.length() - StringUtil.NEWLINE.length());
        return buf.toString();
    }
}