/**
* Copyright (C) 2016 Red Hat, Inc. and/or its affiliates.
*
* 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.jboss.errai.jsinterop.demo.client.local;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import org.jboss.errai.ioc.client.container.SyncBeanDef;
import org.jboss.errai.ioc.client.container.SyncBeanManager;
import org.jboss.errai.jsinterop.demo.client.IpsumGenerator;
@ApplicationScoped
public class IpsumServiceImpl implements IpsumService {
private final Map<String, IpsumGenerator> generators = new HashMap<>();
@Inject
private SyncBeanManager bm;
@PostConstruct
private void init() {
for (final SyncBeanDef<IpsumGenerator> bean : bm.lookupBeans(IpsumGenerator.class)) {
register(bean.getInstance());
}
}
private void register(final IpsumGenerator generator) {
if (!generators.containsKey(generator.getId())) {
generators.put(generator.getId(), generator);
}
}
@Override
public Set<IpsumDescriptor> getDescriptors() {
final Set<IpsumDescriptor> descriptors = new HashSet<>();
for (final IpsumGenerator gen : generators.values()) {
descriptors.add(descriptorOf(gen));
}
return descriptors;
}
@Override
public Optional<IpsumGenerator> lookup(final IpsumDescriptor descriptor) {
return Optional.ofNullable(generators.get(descriptor.getId()));
}
private static IpsumDescriptor descriptorOf(final IpsumGenerator gen) {
return new IpsumDescriptor(gen.getId(), gen.getName(), gen.getDescription());
}
}