/*
* 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:
*
* http://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<B extends
AbstractBootstrap<B, C>, 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<? extends C>
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<
ChannelOption<?>,
Object>
options() {
return
bootstrap.
options();
}
/**
* Returns a copy of the configured attributes.
*/
public final
Map<
AttributeKey<?>,
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<? extends C>
factory =
channelFactory();
if (
factory != null) {
buf.
append("channelFactory: ")
.
append(
factory)
.
append(", ");
}
SocketAddress localAddress =
localAddress();
if (
localAddress != null) {
buf.
append("localAddress: ")
.
append(
localAddress)
.
append(", ");
}
Map<
ChannelOption<?>,
Object>
options =
options();
if (!
options.
isEmpty()) {
buf.
append("options: ")
.
append(
options)
.
append(", ");
}
Map<
AttributeKey<?>,
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();
}
}