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1   /*
2    * Copyright 2013 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 io.netty.handler.codec.spdy;
17  
18  /**
19   * The default {@link SpdyStreamFrame} implementation.
20   */
21  public abstract class DefaultSpdyStreamFrame implements SpdyStreamFrame {
22  
23      private int streamId;
24      private boolean last;
25  
26      /**
27       * Creates a new instance.
28       *
29       * @param streamId the Stream-ID of this frame
30       */
31      protected DefaultSpdyStreamFrame(int streamId) {
32          setStreamId(streamId);
33      }
34  
35      @Override
36      public int streamId() {
37          return streamId;
38      }
39  
40      @Override
41      public SpdyStreamFrame setStreamId(int streamId) {
42          if (streamId <= 0) {
43              throw new IllegalArgumentException(
44                      "Stream-ID must be positive: " + streamId);
45          }
46          this.streamId = streamId;
47          return this;
48      }
49  
50      @Override
51      public boolean isLast() {
52          return last;
53      }
54  
55      @Override
56      public SpdyStreamFrame setLast(boolean last) {
57          this.last = last;
58          return this;
59      }
60  }