io.netty.bootstrap.AbstractBootstrapConfig Maven / Gradle / Ivy
/*
* Copyright 2016 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.bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.util.AttributeKey;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;
import java.net.SocketAddress;
import java.util.Map;
/**
* Exposes the configuration of an {@link AbstractBootstrap}.
*/
public abstract class AbstractBootstrapConfig, C extends Channel> {
protected final B bootstrap;
protected AbstractBootstrapConfig(B bootstrap) {
this.bootstrap = ObjectUtil.checkNotNull(bootstrap, "bootstrap");
}
/**
* Returns the configured local address or {@code null} if non is configured yet.
*/
public final SocketAddress localAddress() {
return bootstrap.localAddress();
}
/**
* Returns the configured {@link ChannelFactory} or {@code null} if non is configured yet.
*/
@SuppressWarnings("deprecation")
public final ChannelFactory channelFactory() {
return bootstrap.channelFactory();
}
/**
* Returns the configured {@link ChannelHandler} or {@code null} if non is configured yet.
*/
public final ChannelHandler handler() {
return bootstrap.handler();
}
/**
* Returns a copy of the configured options.
*/
public final Map, Object> options() {
return bootstrap.options();
}
/**
* Returns a copy of the configured attributes.
*/
public final Map, Object> attrs() {
return bootstrap.attrs();
}
/**
* Returns the configured {@link EventLoopGroup} or {@code null} if non is configured yet.
*/
@SuppressWarnings("deprecation")
public final EventLoopGroup group() {
return bootstrap.group();
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder()
.append(StringUtil.simpleClassName(this))
.append('(');
EventLoopGroup group = group();
if (group != null) {
buf.append("group: ")
.append(StringUtil.simpleClassName(group))
.append(", ");
}
@SuppressWarnings("deprecation")
ChannelFactory factory = channelFactory();
if (factory != null) {
buf.append("channelFactory: ")
.append(factory)
.append(", ");
}
SocketAddress localAddress = localAddress();
if (localAddress != null) {
buf.append("localAddress: ")
.append(localAddress)
.append(", ");
}
Map, Object> options = options();
if (!options.isEmpty()) {
buf.append("options: ")
.append(options)
.append(", ");
}
Map, Object> attrs = attrs();
if (!attrs.isEmpty()) {
buf.append("attrs: ")
.append(attrs)
.append(", ");
}
ChannelHandler handler = handler();
if (handler != null) {
buf.append("handler: ")
.append(handler)
.append(", ");
}
if (buf.charAt(buf.length() - 1) == '(') {
buf.append(')');
} else {
buf.setCharAt(buf.length() - 2, ')');
buf.setLength(buf.length() - 1);
}
return buf.toString();
}
}