145 lines
4.4 KiB
Java
145 lines
4.4 KiB
Java
/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.spdy;
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import io.netty.util.internal.StringUtil;
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/**
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* The default {@link SpdySynStreamFrame} implementation.
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*/
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public class DefaultSpdySynStreamFrame extends DefaultSpdyHeadersFrame
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implements SpdySynStreamFrame {
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private int associatedStreamId;
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private byte priority;
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private boolean unidirectional;
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/**
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* Creates a new instance.
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*
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* @param streamId the Stream-ID of this frame
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* @param associatedStreamId the Associated-To-Stream-ID of this frame
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* @param priority the priority of the stream
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*/
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public DefaultSpdySynStreamFrame(int streamId, int associatedStreamId, byte priority) {
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this(streamId, associatedStreamId, priority, true);
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}
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/**
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* Creates a new instance.
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*
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* @param streamId the Stream-ID of this frame
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* @param associatedStreamId the Associated-To-Stream-ID of this frame
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* @param priority the priority of the stream
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* @param validateHeaders validate the header names and values when adding them to the {@link SpdyHeaders}
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*/
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public DefaultSpdySynStreamFrame(int streamId, int associatedStreamId, byte priority, boolean validateHeaders) {
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super(streamId, validateHeaders);
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setAssociatedStreamId(associatedStreamId);
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setPriority(priority);
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}
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@Override
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public SpdySynStreamFrame setStreamId(int streamId) {
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super.setStreamId(streamId);
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return this;
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}
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@Override
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public SpdySynStreamFrame setLast(boolean last) {
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super.setLast(last);
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return this;
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}
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@Override
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public SpdySynStreamFrame setInvalid() {
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super.setInvalid();
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return this;
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}
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@Override
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public int associatedStreamId() {
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return associatedStreamId;
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}
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@Override
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public SpdySynStreamFrame setAssociatedStreamId(int associatedStreamId) {
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if (associatedStreamId < 0) {
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throw new IllegalArgumentException(
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"Associated-To-Stream-ID cannot be negative: " +
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associatedStreamId);
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}
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this.associatedStreamId = associatedStreamId;
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return this;
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}
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@Override
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public byte priority() {
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return priority;
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}
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@Override
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public SpdySynStreamFrame setPriority(byte priority) {
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if (priority < 0 || priority > 7) {
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throw new IllegalArgumentException(
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"Priority must be between 0 and 7 inclusive: " + priority);
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}
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this.priority = priority;
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return this;
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}
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@Override
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public boolean isUnidirectional() {
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return unidirectional;
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}
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@Override
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public SpdySynStreamFrame setUnidirectional(boolean unidirectional) {
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this.unidirectional = unidirectional;
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return this;
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}
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@Override
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public String toString() {
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StringBuilder buf = new StringBuilder()
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.append(StringUtil.simpleClassName(this))
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.append("(last: ")
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.append(isLast())
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.append("; unidirectional: ")
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.append(isUnidirectional())
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.append(')')
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.append(StringUtil.NEWLINE)
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.append("--> Stream-ID = ")
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.append(streamId())
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.append(StringUtil.NEWLINE);
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if (associatedStreamId != 0) {
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buf.append("--> Associated-To-Stream-ID = ")
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.append(associatedStreamId())
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.append(StringUtil.NEWLINE);
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}
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buf.append("--> Priority = ")
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.append(priority())
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.append(StringUtil.NEWLINE)
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.append("--> Headers:")
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.append(StringUtil.NEWLINE);
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appendHeaders(buf);
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// Remove the last newline.
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buf.setLength(buf.length() - StringUtil.NEWLINE.length());
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return buf.toString();
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}
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}
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