Package org.apache.camel.management.mbean

Source Code of org.apache.camel.management.mbean.ManagedComponent

/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.camel.management.mbean;

import java.io.IOException;

import org.apache.camel.Component;
import org.apache.camel.ServiceStatus;
import org.apache.camel.StatefulService;
import org.apache.camel.api.management.ManagedInstance;
import org.apache.camel.api.management.ManagedResource;
import org.apache.camel.api.management.mbean.ManagedComponentMBean;
import org.apache.camel.spi.ManagementStrategy;
import org.apache.camel.util.ObjectHelper;

/**
* @version
*/
@ManagedResource(description = "Managed Component")
public class ManagedComponent implements ManagedInstance, ManagedComponentMBean {
    private final Component component;
    private final String name;

    public ManagedComponent(String name, Component component) {
        this.name = name;
        this.component = component;
    }

    public void init(ManagementStrategy strategy) {
        // do nothing
    }

    public Component getComponent() {
        return component;
    }

    public String getComponentName() {
        return name;
    }

    public String getState() {
        // must use String type to be sure remote JMX can read the attribute without requiring Camel classes.
        if (component instanceof StatefulService) {
            ServiceStatus status = ((StatefulService) component).getStatus();
            return status.name();
        }

        // assume started if not a ServiceSupport instance
        return ServiceStatus.Started.name();
    }

    public String getCamelId() {
        return component.getCamelContext().getName();
    }

    public String getCamelManagementName() {
        return component.getCamelContext().getManagementName();
    }

    public Object getInstance() {
        return component;
    }

    @Override
    public String informationJson() {
        try {
            // a component may have been given a different name, so resolve its default name by its java type
            // as we can find the component json information from the default component name
            String defaultName = component.getCamelContext().resolveComponentDefaultName(component.getClass().getName());
            String target = defaultName != null ? defaultName : name;
            return component.getCamelContext().getComponentParameterJsonSchema(target);
        } catch (IOException e) {
            throw ObjectHelper.wrapRuntimeCamelException(e);
        }
    }
}
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