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Java example source code file (DefaultSpdyWindowUpdateFrame.java)

This example Java source code file (DefaultSpdyWindowUpdateFrame.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

defaultspdywindowupdateframe, delta-window-size, illegalargumentexception, override, spdywindowupdateframe, stream-id, string, stringbuilder

The DefaultSpdyWindowUpdateFrame.java Java example source code

/*
 * Copyright 2013 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 io.netty.handler.codec.spdy;

import io.netty.util.internal.StringUtil;

/**
 * The default {@link SpdyWindowUpdateFrame} implementation.
 */
public class DefaultSpdyWindowUpdateFrame implements SpdyWindowUpdateFrame {

    private int streamId;
    private int deltaWindowSize;

    /**
     * Creates a new instance.
     *
     * @param streamId        the Stream-ID of this frame
     * @param deltaWindowSize the Delta-Window-Size of this frame
     */
    public DefaultSpdyWindowUpdateFrame(int streamId, int deltaWindowSize) {
        setStreamId(streamId);
        setDeltaWindowSize(deltaWindowSize);
    }

    @Override
    public int streamId() {
        return streamId;
    }

    @Override
    public SpdyWindowUpdateFrame setStreamId(int streamId) {
        if (streamId < 0) {
            throw new IllegalArgumentException(
                    "Stream-ID cannot be negative: " + streamId);
        }
        this.streamId = streamId;
        return this;
    }

    @Override
    public int deltaWindowSize() {
        return deltaWindowSize;
    }

    @Override
    public SpdyWindowUpdateFrame setDeltaWindowSize(int deltaWindowSize) {
        if (deltaWindowSize <= 0) {
            throw new IllegalArgumentException(
                    "Delta-Window-Size must be positive: " +
                    deltaWindowSize);
        }
        this.deltaWindowSize = deltaWindowSize;
        return this;
    }

    @Override
    public String toString() {
        return new StringBuilder()
            .append(StringUtil.simpleClassName(this))
            .append(StringUtil.NEWLINE)
            .append("--> Stream-ID = ")
            .append(streamId())
            .append(StringUtil.NEWLINE)
            .append("--> Delta-Window-Size = ")
            .append(deltaWindowSize())
            .toString();
    }
}

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