com.adaptris.core.management.config.ConfigManagerImpl.java Source code

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Here is the source code for com.adaptris.core.management.config.ConfigManagerImpl.java

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/*
 * Copyright 2015 Adaptris Ltd.
 * 
 * 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 com.adaptris.core.management.config;

import static org.apache.commons.lang.StringUtils.isEmpty;

import java.lang.reflect.Constructor;

import javax.management.MalformedObjectNameException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.adaptris.core.CoreException;
import com.adaptris.core.management.AdapterConfigManager;
import com.adaptris.core.management.BootstrapProperties;
import com.adaptris.core.runtime.AdapterRegistry;
import com.adaptris.core.runtime.AdapterRegistryMBean;
import com.adaptris.core.util.ExceptionHelper;

/**
 * Basic implemetation of {@link AdapterConfigManager}, which sets the BootstrapProperties.
 *
 * @author gcsiki
 *
 */
abstract class ConfigManagerImpl implements AdapterConfigManager {

    protected transient Logger log = LoggerFactory.getLogger(getClass());

    protected BootstrapProperties bootstrapProperties;
    private transient AdapterRegistryMBean adapterRegistry;

    @Override
    public void configure(BootstrapProperties bootstrapProperties) throws Exception {
        this.bootstrapProperties = bootstrapProperties;
    }

    public synchronized AdapterRegistryMBean getAdapterRegistry()
            throws MalformedObjectNameException, CoreException {
        if (adapterRegistry == null) {
            adapterRegistry = createAdapterRegistry();
            adapterRegistry.registerMBean();
        }
        return adapterRegistry;
    }

    private AdapterRegistryMBean createAdapterRegistry() throws CoreException, MalformedObjectNameException {
        AdapterRegistryMBean result = null;
        if (!isEmpty(System.getProperty(ADAPTER_REGISTRY_IMPL))) {
            result = createCustomRegistry();
        } else {
            result = new AdapterRegistry(bootstrapProperties);
        }
        return result;
    }

    private AdapterRegistryMBean createCustomRegistry() throws CoreException {
        AdapterRegistryMBean result = null;
        String classname = System.getProperty(ADAPTER_REGISTRY_IMPL);
        Class[] paramTypes = { BootstrapProperties.class };
        Object[] args = { bootstrapProperties };

        Class clazz;
        try {
            clazz = Class.forName(classname);
            Constructor cnst = clazz.getDeclaredConstructor(paramTypes);
            result = (AdapterRegistryMBean) cnst.newInstance(args);
        } catch (Exception e) {
            ExceptionHelper.rethrowCoreException(e);
        }
        return result;
    }

}