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    1   /*
    2    * Copyright 2012 The Netty Project
    3    *
    4    * The Netty Project licenses this file to you under the Apache License,
    5    * version 2.0 (the "License"); you may not use this file except in compliance
    6    * with the License. You may obtain a copy of the License at:
    7    *
    8    *   http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    13   * License for the specific language governing permissions and limitations
    14   * under the License.
    15   */
    16  package org.jboss.netty.handler.codec.spdy;
    17
    18
    19  import org.jboss.netty.util.internal.StringUtil;
    20
    21  /**
    22   * The default {@link SpdyHeadersFrame} implementation.
    23   */
    24  public class DefaultSpdyHeadersFrame extends DefaultSpdyHeaderBlock
    25          implements SpdyHeadersFrame {
    26
    27      private int streamId;
    28      private boolean last;
    29
    30      /**
    31       * Creates a new instance.
    32       *
    33       * @param streamId the Stream-ID of this frame
    34       */
    35      public DefaultSpdyHeadersFrame(int streamId) {
    36          super();
    37          setStreamId(streamId);
    38      }
    39
    40      public int getStreamID() {
    41          return getStreamId();
    42      }
    43
    44      public int getStreamId() {
    45          return streamId;
    46      }
    47
    48      public void setStreamID(int streamId) {
    49          setStreamId(streamId);
    50      }
    51
    52      public void setStreamId(int streamId) {
    53          if (streamId <= 0) {
    54              throw new IllegalArgumentException(
    55                      "Stream-ID must be positive: " + streamId);
    56          }
    57          this.streamId = streamId;
    58      }
    59
    60      public boolean isLast() {
    61          return last;
    62      }
    63
    64      public void setLast(boolean last) {
    65          this.last = last;
    66      }
    67
    68      @Override
    69      public String toString() {
    70          StringBuilder buf = new StringBuilder();
    71          buf.append(getClass().getSimpleName());
    72          buf.append("(last: ");
    73          buf.append(isLast());
    74          buf.append(')');
    75          buf.append(StringUtil.NEWLINE);
    76          buf.append("--> Stream-ID = ");
    77          buf.append(streamId);
    78          buf.append(StringUtil.NEWLINE);
    79          buf.append("--> Headers:");
    80          buf.append(StringUtil.NEWLINE);
    81          appendHeaders(buf);
    82
    83          // Remove the last newline.
    84          buf.setLength(buf.length() - StringUtil.NEWLINE.length());
    85          return buf.toString();
    86      }
    87  }