org.wso2.carbon.client.configcontext.provider.Axis2ClientConfigContextProviderImpl.java Source code

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Here is the source code for org.wso2.carbon.client.configcontext.provider.Axis2ClientConfigContextProviderImpl.java

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/*
 *  Copyright (c) 2005-2014, 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.client.configcontext.provider;

import java.rmi.RemoteException;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;

import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.client.configcontext.provider.store.Axis2ClientConfigurationContextStore;
import org.wso2.carbon.context.CarbonContext;

public class Axis2ClientConfigContextProviderImpl implements Axis2ClientConfigContextProvider {

    private static Log log = LogFactory.getLog(Axis2ClientConfigContextProviderImpl.class);
    private static final String CONFIG_LOCATION = "repository/deployment/client";

    /**
     * Returns the Configuration Context for the specified tenant ID,
     * Create a Configuration Context if not already created, and return it. 
     * If the client Configuration Context for that tenant is available, it will return it.
     * 
     * @param tenantID
     * @return
     * @throws RemoteException
     */
    public ConfigurationContext getConfigurationContext() throws RemoteException {
        ConfigurationContext configurationContext = null;
        int tenantID = CarbonContext.getThreadLocalCarbonContext().getTenantId();

        if (Axis2ClientConfigurationContextStore.getInstance().getTenantConfigurationContextMap()
                .containsKey(tenantID)) {
            configurationContext = Axis2ClientConfigurationContextStore.getInstance()
                    .getTenantConfigurationContextMap().get(tenantID);
            log.debug("Configuration context for the Tenant: " + tenantID + " already exists.");
        } else {

            try {
                configurationContext = (ConfigurationContext) AccessController
                        .doPrivileged(new PrivilegedExceptionAction<Object>() {
                            public Object run() throws RemoteException {
                                return ConfigurationContextFactory
                                        .createConfigurationContextFromFileSystem(CONFIG_LOCATION, null);
                            }
                        });
                log.info("Created new configuration context for the Tenant: " + tenantID);
            } catch (PrivilegedActionException e) {
                throw (RemoteException) e.getException();
            }
            Axis2ClientConfigurationContextStore.getInstance().getTenantConfigurationContextMap().put(tenantID,
                    configurationContext);
        }
        return configurationContext;
    }

}