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/*
 * 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.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;

import org.apache.camel.CamelContext;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.api.management.ManagedResource;
import org.apache.camel.api.management.mbean.CamelOpenMBeanTypes;
import org.apache.camel.api.management.mbean.ManagedVariableRepositoryMBean;
import org.apache.camel.spi.BrowsableVariableRepository;

@ManagedResource(description = "Managed VariableRepository")
public class ManagedVariableRepository extends ManagedService implements ManagedVariableRepositoryMBean {
    private final BrowsableVariableRepository variableRepository;

    public ManagedVariableRepository(CamelContext context, BrowsableVariableRepository variableRepository) {
        super(context, variableRepository);
        this.variableRepository = variableRepository;
    }

    public BrowsableVariableRepository getVariableRepository() {
        return variableRepository;
    }

    @Override
    public String getId() {
        return variableRepository.getId();
    }

    @Override
    public int getSize() {
        return variableRepository.size();
    }

    @Override
    public void clear() {
        variableRepository.clear();
    }

    @Override
    public Set names() {
        return variableRepository.names().collect(Collectors.toSet());
    }

    @Override
    public TabularData variables() {
        try {
            final TabularData answer = new TabularDataSupport(CamelOpenMBeanTypes.camelVariablesTabularType());
            final CompositeType type = CamelOpenMBeanTypes.camelVariablesCompositeType();

            for (Map.Entry entry : variableRepository.getVariables().entrySet()) {
                String key = entry.getKey();
                String className = entry.getValue() != null ? entry.getValue().getClass().getName() : "";
                String value = entry.getValue() != null ? entry.getValue().toString() : "";
                if (value.length() > 1000) {
                    value = value.substring(0, 1000) + "...";
                }

                CompositeData data = new CompositeDataSupport(
                        type,
                        new String[] {
                                "id",
                                "key",
                                "className",
                                "value",
                        },
                        new Object[] {
                                getId(),
                                key,
                                className,
                                value
                        });
                answer.put(data);
            }

            return answer;
        } catch (Exception e) {
            throw RuntimeCamelException.wrapRuntimeCamelException(e);
        }
    }

}