SynapseAppServiceComponent.java

/*
*  Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. 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.wso2.carbon.application.mgt.synapse.internal;

import org.wso2.carbon.registry.core.service.RegistryService;
import org.wso2.carbon.application.deployer.service.ApplicationManagerService;
import org.wso2.carbon.mediation.initializer.services.SynapseConfigurationService;
import org.osgi.service.component.ComponentContext;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;

/**
 * @scr.component name="application.mgt.synapse.dscomponent" immediate="true"
 * @scr.reference name="registry.service" interface="org.wso2.carbon.registry.core.service.RegistryService"
 * cardinality="1..1" policy="dynamic"  bind="setRegistryService" unbind="unsetRegistryService"
 * @scr.reference name="synapse.config.service" interface="org.wso2.carbon.mediation.initializer.services.SynapseConfigurationService"
 * cardinality="1..1" policy="dynamic" bind="setSynapseConfigurationService" unbind="unsetSynapseConfigurationService"
 * @scr.reference name="application.manager" interface="org.wso2.carbon.application.deployer.service.ApplicationManagerService"
 * cardinality="1..1" policy="dynamic" bind="setAppManager" unbind="unsetAppManager"
 */
public class SynapseAppServiceComponent {
    private static Log log = LogFactory.getLog(SynapseAppServiceComponent.class);

    private static RegistryService registryServiceInstance;
    private static SynapseConfigurationService scService;
    private static ApplicationManagerService applicationManager;

    protected void activate(ComponentContext ctxt) {
        if (log.isDebugEnabled()) {
            log.debug("Activated SynapseAppServiceComponent");
        }
    }

    protected void deactivate(ComponentContext ctxt) {
        if (log.isDebugEnabled()) {
            log.debug("Deactivated SynapseAppServiceComponent");
        }
    }

    protected void setRegistryService(RegistryService registryService) {
        registryServiceInstance = registryService;
    }

    protected void unsetRegistryService(RegistryService registryService) {
        registryServiceInstance = null;
    }

    protected void setSynapseConfigurationService(
            SynapseConfigurationService synapseConfigurationService) {
        scService = synapseConfigurationService;
    }

    protected void unsetSynapseConfigurationService(
            SynapseConfigurationService synapseConfigurationService) {
        scService = null;
    }

    protected void setAppManager(ApplicationManagerService appManager) {
        applicationManager = appManager;
    }

    protected void unsetAppManager(ApplicationManagerService appManager) {
        applicationManager = null;
    }

    public static ApplicationManagerService getAppManager() throws Exception {
        if (applicationManager == null) {
            String msg = "Before activating Synapse App management service bundle, an instance of "
                    + "ApplicationManager should be in existance";
            log.error(msg);
            throw new Exception(msg);
        }
        return applicationManager;
    }

    public static RegistryService getRegistryService() throws Exception {
        if (registryServiceInstance == null) {
            String msg = "Before activating Synapse App management service bundle, an instance of "
                    + "RegistryService should be in existance";
            log.error(msg);
            throw new Exception(msg);
        }
        return registryServiceInstance;
    }

    public static SynapseConfigurationService getScService() throws Exception {
        if (scService == null) {
            String msg = "Before activating Synapse App management service bundle, an instance of "
                    + "SynapseConfigurationService should be in existance";
            log.error(msg);
            throw new Exception(msg);
        }
        return scService;
    }
}