io.netty.handler.codec.spdy.SpdySessionStatus 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 session status code and its description.
*/
public class SpdySessionStatus implements Comparable {
/**
* 0 OK
*/
public static final SpdySessionStatus OK =
new SpdySessionStatus(0, "OK");
/**
* 1 Protocol Error
*/
public static final SpdySessionStatus PROTOCOL_ERROR =
new SpdySessionStatus(1, "PROTOCOL_ERROR");
/**
* 2 Internal Error
*/
public static final SpdySessionStatus INTERNAL_ERROR =
new SpdySessionStatus(2, "INTERNAL_ERROR");
/**
* Returns the {@link SpdySessionStatus} 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 SpdySessionStatus valueOf(int code) {
switch (code) {
case 0:
return OK;
case 1:
return PROTOCOL_ERROR;
case 2:
return INTERNAL_ERROR;
}
return new SpdySessionStatus(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 SpdySessionStatus(int code, String statusPhrase) {
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 SpdySessionStatus)) {
return false;
}
return code() == ((SpdySessionStatus) o).code();
}
@Override
public String toString() {
return statusPhrase();
}
@Override
public int compareTo(SpdySessionStatus o) {
return code() - o.code();
}
}