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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  import org.jboss.netty.util.internal.StringUtil;
    19
    20  /**
    21   * The default {@link SpdyWindowUpdateFrame} implementation.
    22   */
    23  public class DefaultSpdyWindowUpdateFrame implements SpdyWindowUpdateFrame {
    24
    25      private int streamId;
    26      private int deltaWindowSize;
    27
    28      /**
    29       * Creates a new instance.
    30       *
    31       * @param streamId        the Stream-ID of this frame
    32       * @param deltaWindowSize the Delta-Window-Size of this frame
    33       */
    34      public DefaultSpdyWindowUpdateFrame(int streamId, int deltaWindowSize) {
    35          setStreamId(streamId);
    36          setDeltaWindowSize(deltaWindowSize);
    37      }
    38
    39      public int getStreamID() {
    40          return getStreamId();
    41      }
    42
    43      public int getStreamId() {
    44          return streamId;
    45      }
    46
    47      public void setStreamID(int streamId) {
    48          setStreamId(streamId);
    49      }
    50
    51      public void setStreamId(int streamId) {
    52          if (streamId <= 0) {
    53              throw new IllegalArgumentException(
    54                      "Stream-ID must be positive: " + streamId);
    55          }
    56          this.streamId = streamId;
    57      }
    58
    59      public int getDeltaWindowSize() {
    60          return deltaWindowSize;
    61      }
    62
    63      public void setDeltaWindowSize(int deltaWindowSize) {
    64          if (deltaWindowSize <= 0) {
    65              throw new IllegalArgumentException(
    66                      "Delta-Window-Size must be positive: " +
    67                      deltaWindowSize);
    68          }
    69          this.deltaWindowSize = deltaWindowSize;
    70      }
    71
    72      @Override
    73      public String toString() {
    74          StringBuilder buf = new StringBuilder();
    75          buf.append(getClass().getSimpleName());
    76          buf.append(StringUtil.NEWLINE);
    77          buf.append("--> Stream-ID = ");
    78          buf.append(streamId);
    79          buf.append(StringUtil.NEWLINE);
    80          buf.append("--> Delta-Window-Size = ");
    81          buf.append(deltaWindowSize);
    82          return buf.toString();
    83      }
    84  }