e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
100 lines
2.8 KiB
Java
100 lines
2.8 KiB
Java
/*
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* Copyright 2014 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.proxy;
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import static java.util.Objects.requireNonNull;
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import io.netty.util.internal.StringUtil;
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import java.net.SocketAddress;
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public final class ProxyConnectionEvent {
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private final String protocol;
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private final String authScheme;
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private final SocketAddress proxyAddress;
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private final SocketAddress destinationAddress;
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private String strVal;
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/**
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* Creates a new event that indicates a successful connection attempt to the destination address.
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*/
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public ProxyConnectionEvent(
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String protocol, String authScheme, SocketAddress proxyAddress, SocketAddress destinationAddress) {
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requireNonNull(protocol, "protocol");
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requireNonNull(authScheme, "authScheme");
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requireNonNull(proxyAddress, "proxyAddress");
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requireNonNull(destinationAddress, "destinationAddress");
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this.protocol = protocol;
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this.authScheme = authScheme;
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this.proxyAddress = proxyAddress;
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this.destinationAddress = destinationAddress;
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}
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/**
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* Returns the name of the proxy protocol in use.
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*/
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public String protocol() {
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return protocol;
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}
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/**
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* Returns the name of the authentication scheme in use.
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*/
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public String authScheme() {
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return authScheme;
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}
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/**
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* Returns the address of the proxy server.
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*/
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@SuppressWarnings("unchecked")
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public <T extends SocketAddress> T proxyAddress() {
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return (T) proxyAddress;
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}
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/**
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* Returns the address of the destination.
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*/
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@SuppressWarnings("unchecked")
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public <T extends SocketAddress> T destinationAddress() {
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return (T) destinationAddress;
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}
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@Override
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public String toString() {
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if (strVal != null) {
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return strVal;
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}
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StringBuilder buf = new StringBuilder(128)
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.append(StringUtil.simpleClassName(this))
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.append('(')
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.append(protocol)
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.append(", ")
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.append(authScheme)
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.append(", ")
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.append(proxyAddress)
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.append(" => ")
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.append(destinationAddress)
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.append(')');
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return strVal = buf.toString();
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}
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}
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