io.netty.handler.codec.spdy.SpdyStreamStatus Maven / Gradle / Ivy
/*
* 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:
*
* https://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.ObjectUtil;
/**
* The SPDY stream status code and its description.
*/
public class SpdyStreamStatus implements Comparable {
/**
* 1 Protocol Error
*/
public static final SpdyStreamStatus PROTOCOL_ERROR =
new SpdyStreamStatus(1, "PROTOCOL_ERROR");
/**
* 2 Invalid Stream
*/
public static final SpdyStreamStatus INVALID_STREAM =
new SpdyStreamStatus(2, "INVALID_STREAM");
/**
* 3 Refused Stream
*/
public static final SpdyStreamStatus REFUSED_STREAM =
new SpdyStreamStatus(3, "REFUSED_STREAM");
/**
* 4 Unsupported Version
*/
public static final SpdyStreamStatus UNSUPPORTED_VERSION =
new SpdyStreamStatus(4, "UNSUPPORTED_VERSION");
/**
* 5 Cancel
*/
public static final SpdyStreamStatus CANCEL =
new SpdyStreamStatus(5, "CANCEL");
/**
* 6 Internal Error
*/
public static final SpdyStreamStatus INTERNAL_ERROR =
new SpdyStreamStatus(6, "INTERNAL_ERROR");
/**
* 7 Flow Control Error
*/
public static final SpdyStreamStatus FLOW_CONTROL_ERROR =
new SpdyStreamStatus(7, "FLOW_CONTROL_ERROR");
/**
* 8 Stream In Use
*/
public static final SpdyStreamStatus STREAM_IN_USE =
new SpdyStreamStatus(8, "STREAM_IN_USE");
/**
* 9 Stream Already Closed
*/
public static final SpdyStreamStatus STREAM_ALREADY_CLOSED =
new SpdyStreamStatus(9, "STREAM_ALREADY_CLOSED");
/**
* 10 Invalid Credentials
*/
public static final SpdyStreamStatus INVALID_CREDENTIALS =
new SpdyStreamStatus(10, "INVALID_CREDENTIALS");
/**
* 11 Frame Too Large
*/
public static final SpdyStreamStatus FRAME_TOO_LARGE =
new SpdyStreamStatus(11, "FRAME_TOO_LARGE");
/**
* Returns the {@link SpdyStreamStatus} represented by the specified code.
* If the specified code is a defined SPDY status code, a cached instance
* will be returned. Otherwise, a new instance will be returned.
*/
public static SpdyStreamStatus valueOf(int code) {
if (code == 0) {
throw new IllegalArgumentException(
"0 is not a valid status code for a RST_STREAM");
}
switch (code) {
case 1:
return PROTOCOL_ERROR;
case 2:
return INVALID_STREAM;
case 3:
return REFUSED_STREAM;
case 4:
return UNSUPPORTED_VERSION;
case 5:
return CANCEL;
case 6:
return INTERNAL_ERROR;
case 7:
return FLOW_CONTROL_ERROR;
case 8:
return STREAM_IN_USE;
case 9:
return STREAM_ALREADY_CLOSED;
case 10:
return INVALID_CREDENTIALS;
case 11:
return FRAME_TOO_LARGE;
}
return new SpdyStreamStatus(code, "UNKNOWN (" + code + ')');
}
private final int code;
private final String statusPhrase;
/**
* Creates a new instance with the specified {@code code} and its
* {@code statusPhrase}.
*/
public SpdyStreamStatus(int code, String statusPhrase) {
if (code == 0) {
throw new IllegalArgumentException(
"0 is not a valid status code for a RST_STREAM");
}
this.statusPhrase = ObjectUtil.checkNotNull(statusPhrase, "statusPhrase");
this.code = code;
}
/**
* Returns the code of this status.
*/
public int code() {
return code;
}
/**
* Returns the status phrase of this status.
*/
public String statusPhrase() {
return statusPhrase;
}
@Override
public int hashCode() {
return code();
}
@Override
public boolean equals(Object o) {
if (!(o instanceof SpdyStreamStatus)) {
return false;
}
return code() == ((SpdyStreamStatus) o).code();
}
@Override
public String toString() {
return statusPhrase();
}
@Override
public int compareTo(SpdyStreamStatus o) {
return code() - o.code();
}
}