org.testifyproject.netty.handler.codec.ProtocolDetectionResult Maven / Gradle / Ivy
/*
* Copyright 2015 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 org.testifyproject.testifyprojectpliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org.testifyproject/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 org.testifyproject.testifyproject.netty.handler.codec;
import static org.testifyproject.testifyproject.netty.util.internal.ObjectUtil.checkNotNull;
/**
* Result of org.testifyproject.testifyprojecttecting a protocol.
*
* @param the type of the protocol
*/
public final class ProtocolDetectionResult {
@SuppressWarnings({ "rawtypes", "unchecked" })
private static final ProtocolDetectionResult NEEDS_MORE_DATE =
new ProtocolDetectionResult(ProtocolDetectionState.NEEDS_MORE_DATA, null);
@SuppressWarnings({ "rawtypes", "unchecked" })
private static final ProtocolDetectionResult INVALID =
new ProtocolDetectionResult(ProtocolDetectionState.INVALID, null);
private final ProtocolDetectionState state;
private final T result;
/**
* Returns a {@link ProtocolDetectionResult} that signals that more data is needed to org.testifyproject.testifyprojecttect the protocol.
*/
@SuppressWarnings("unchecked")
public static ProtocolDetectionResult needsMoreData() {
return NEEDS_MORE_DATE;
}
/**
* Returns a {@link ProtocolDetectionResult} that signals the data was invalid for the protocol.
*/
@SuppressWarnings("unchecked")
public static ProtocolDetectionResult invalid() {
return INVALID;
}
/**
* Returns a {@link ProtocolDetectionResult} which holds the org.testifyproject.testifyprojecttected protocol.
*/
@SuppressWarnings("unchecked")
public static ProtocolDetectionResult org.testifyproject.testifyprojecttected(T protocol) {
return new ProtocolDetectionResult(ProtocolDetectionState.DETECTED, checkNotNull(protocol, "protocol"));
}
private ProtocolDetectionResult(ProtocolDetectionState state, T result) {
this.state = state;
this.result = result;
}
/**
* Return the {@link ProtocolDetectionState}. If the state is {@link ProtocolDetectionState#DETECTED} you
* can retrieve the protocol via {@link #org.testifyproject.testifyprojecttectedProtocol()}.
*/
public ProtocolDetectionState state() {
return state;
}
/**
* Returns the protocol if {@link #state()} returns {@link ProtocolDetectionState#DETECTED}, otherwise {@code null}.
*/
public T org.testifyproject.testifyprojecttectedProtocol() {
return result;
}
}