io.micronaut.runtime.context.CompositeMessageSource Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original 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 io.micronaut.runtime.context;
import io.micronaut.context.AbstractMessageSource;
import io.micronaut.context.MessageSource;
import io.micronaut.context.annotation.Primary;
import io.micronaut.core.order.OrderUtil;
import io.micronaut.core.util.ArgumentUtils;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
import java.util.Collection;
import java.util.Collections;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* Composite message source that is the primary message source.
*
* @author graemerocher
* @since 1.2
*/
@Primary
public final class CompositeMessageSource extends AbstractMessageSource {
private final Collection messageSources;
/**
* The other messages sources.
*
* @param messageSources The message sources.
*/
public CompositeMessageSource(@Nullable Collection messageSources) {
if (messageSources != null) {
this.messageSources = OrderUtil.sort(messageSources.stream()).collect(Collectors.toList());
} else {
this.messageSources = Collections.emptyList();
}
}
@NonNull
@Override
public Optional getRawMessage(@NonNull String code, @NonNull MessageContext context) {
ArgumentUtils.requireNonNull("code", code);
ArgumentUtils.requireNonNull("context", context);
for (MessageSource messageSource : messageSources) {
final Optional message = messageSource.getRawMessage(code, context);
if (message.isPresent()) {
return message;
}
}
return Optional.empty();
}
}