/*
* Copyright 2015-2016 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.cloud.stream.endpoint;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.actuate.endpoint.AbstractEndpoint;
import org.springframework.boot.actuate.endpoint.Endpoint;
import org.springframework.cloud.stream.binding.Bindable;
import org.springframework.cloud.stream.config.BindingProperties;
import org.springframework.cloud.stream.config.BindingServiceProperties;
/**
* An {@link Endpoint} that has the binding information on all the {@link Bindable}
* message channels.
*
* @author Dave Syer
* @author Ilayaperumal Gopinathan
*/
public class ChannelsEndpoint extends AbstractEndpoint<Map<String, Object>> {
private List<Bindable> adapters;
private BindingServiceProperties properties;
public ChannelsEndpoint(List<Bindable> adapters, BindingServiceProperties properties) {
super("channels");
this.adapters = adapters;
this.properties = properties;
}
@Override
public Map<String, Object> invoke() {
ChannelsMetaData map = new ChannelsMetaData();
Map<String, BindingProperties> inputs = map.getInputs();
Map<String, BindingProperties> outputs = map.getOutputs();
for (Bindable factory : this.adapters) {
for (String name : factory.getInputs()) {
inputs.put(name, this.properties.getBindingProperties(name));
}
for (String name : factory.getOutputs()) {
outputs.put(name, this.properties.getBindingProperties(name));
}
}
return new ObjectMapper().convertValue(map, new TypeReference<Map<String, Object>>() {
});
}
@JsonInclude(Include.NON_DEFAULT)
public static class ChannelsMetaData {
private Map<String, BindingProperties> inputs = new LinkedHashMap<>();
private Map<String, BindingProperties> outputs = new LinkedHashMap<>();
public Map<String, BindingProperties> getInputs() {
return this.inputs;
}
public Map<String, BindingProperties> getOutputs() {
return this.outputs;
}
}
}