/*
    * 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.spdy;
  
  
  import org.jboss.netty.util.internal.StringUtil;
  
  /**
   * The default {@link SpdyHeadersFrame} implementation.
   */
  public class DefaultSpdyHeadersFrame extends DefaultSpdyHeaderBlock
          implements SpdyHeadersFrame {
  
      private int streamId;
      private boolean last;
  
      /**
       * Creates a new instance.
       *
       * @param streamId the Stream-ID of this frame
       */
      public DefaultSpdyHeadersFrame(int streamId) {
          setStreamId(streamId);
      }
  
      public int getStreamID() {
          return getStreamId();
      }
  
      public int getStreamId() {
          return streamId;
      }
  
      public void setStreamID(int streamId) {
          setStreamId(streamId);
      }
  
      public void setStreamId(int streamId) {
          if (streamId <= 0) {
              throw new IllegalArgumentException(
                      "Stream-ID must be positive: " + streamId);
          }
          this.streamId = streamId;
      }
  
      public boolean isLast() {
          return last;
      }
  
      public void setLast(boolean last) {
          this.last = last;
      }
  
      @Override
      public String toString() {
          StringBuilder buf = new StringBuilder();
          buf.append(getClass().getSimpleName());
          buf.append("(last: ");
          buf.append(isLast());
          buf.append(')');
          buf.append(StringUtil.NEWLINE);
          buf.append("--> Stream-ID = ");
          buf.append(streamId);
          buf.append(StringUtil.NEWLINE);
          buf.append("--> Headers:");
          buf.append(StringUtil.NEWLINE);
          appendHeaders(buf);
  
          // Remove the last newline.
          buf.setLength(buf.length() - StringUtil.NEWLINE.length());
          return buf.toString();
      }
  }