DiscoveryProxyComponent.java

/*
 *  Copyright (c) 2005-2008, 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.discovery.proxy;

import org.wso2.carbon.utils.ConfigurationContextService;
import org.wso2.carbon.discovery.util.ConfigHolder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.engine.AxisConfiguration;
import org.osgi.service.component.ComponentContext;

/**
 * @scr.component name="org.wso2.carbon.discovery.proxy" immediate="true"
 * @scr.reference name="configuration.context.service"
 * interface="org.wso2.carbon.utils.ConfigurationContextService" cardinality="1..1"
 * policy="dynamic" bind="setConfigurationContextService" unbind="unsetConfigurationContextService"
 */
public class DiscoveryProxyComponent {

    private static final Log log = LogFactory.getLog(DiscoveryProxyComponent.class);

    private ConfigurationContext cfgCtx;

    protected void activate(ComponentContext context) {
        if (cfgCtx != null) {
            AxisConfiguration axisConfig = cfgCtx.getAxisConfiguration();
            DiscoveryProxyObserver observer = new DiscoveryProxyObserver();
            observer.init(axisConfig);
            axisConfig.addObservers(observer);
        } else {
            log.warn("ConfigurationContext is not available. Unable to register the " +
                    "DiscoveryProxyObserver.");
        }
    }

    protected void setConfigurationContextService(ConfigurationContextService cfgCtxService) {
        if (log.isDebugEnabled()) {
            log.debug("ConfigurationContextService bound to the discovery proxy component");
        }
        cfgCtx = cfgCtxService.getServerConfigContext();
    }

    protected void unsetConfigurationContextService(ConfigurationContextService cfgCtxService) {
        if (log.isDebugEnabled()) {
            log.debug("ConfigurationContextService unbound from the discovery proxy component");
        }
        cfgCtx = null;
    }


}