org.springframework.web.reactive.function.client.DefaultExchangeStrategiesBuilder Maven / Gradle / Ivy
/*
* Copyright 2002-2018 the original author or authors.
*
* Licensed 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 org.springframework.web.reactive.function.client;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.function.Consumer;
import org.springframework.http.codec.ClientCodecConfigurer;
import org.springframework.http.codec.HttpMessageReader;
import org.springframework.http.codec.HttpMessageWriter;
/**
* Default implementation of {@link ExchangeStrategies.Builder}.
*
* @author Arjen Poutsma
* @since 5.0
*/
final class DefaultExchangeStrategiesBuilder implements ExchangeStrategies.Builder {
final static ExchangeStrategies DEFAULT_EXCHANGE_STRATEGIES;
static {
DefaultExchangeStrategiesBuilder builder = new DefaultExchangeStrategiesBuilder();
builder.defaultConfiguration();
DEFAULT_EXCHANGE_STRATEGIES = builder.build();
}
private final ClientCodecConfigurer codecConfigurer = ClientCodecConfigurer.create();
public DefaultExchangeStrategiesBuilder() {
this.codecConfigurer.registerDefaults(false);
}
public void defaultConfiguration() {
this.codecConfigurer.registerDefaults(true);
}
@Override
public ExchangeStrategies.Builder codecs(Consumer consumer) {
consumer.accept(this.codecConfigurer);
return this;
}
@Override
public ExchangeStrategies build() {
return new DefaultExchangeStrategies(
this.codecConfigurer.getReaders(), this.codecConfigurer.getWriters());
}
private static class DefaultExchangeStrategies implements ExchangeStrategies {
private final List> readers;
private final List> writers;
public DefaultExchangeStrategies(List> readers, List> writers) {
this.readers = unmodifiableCopy(readers);
this.writers = unmodifiableCopy(writers);
}
private static List unmodifiableCopy(List list) {
return Collections.unmodifiableList(new ArrayList<>(list));
}
@Override
public List> messageReaders() {
return this.readers;
}
@Override
public List> messageWriters() {
return this.writers;
}
}
}