org.wso2.carbon.appmgt.impl.idp.WebAppIdPFactory.java Source code

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Here is the source code for org.wso2.carbon.appmgt.impl.idp.WebAppIdPFactory.java

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/*
 * 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.appmgt.impl.idp;

import java.lang.reflect.InvocationTargetException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.appmgt.api.AppManagementException;
import org.wso2.carbon.appmgt.impl.AppMConstants;
import org.wso2.carbon.appmgt.impl.AppManagerConfiguration;
import org.wso2.carbon.appmgt.impl.service.ServiceReferenceHolder;

public class WebAppIdPFactory {
    private static AppManagerConfiguration config;
    private static WebAppIdPFactory instance;
    private static WebAppIdPManager idpManager;

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

    private WebAppIdPFactory() {
        config = ServiceReferenceHolder.getInstance().getAPIManagerConfigurationService()
                .getAPIManagerConfiguration();
    }

    public static WebAppIdPFactory getInstance() {
        if (instance == null) {
            instance = new WebAppIdPFactory();
        }
        return instance;
    }

    public WebAppIdPManager getIdpManager() throws AppManagementException {
        if (idpManager == null) {
            String className = config.getFirstProperty(AppMConstants.SSO_CONFIGURATION_IDENTITY_PROVIDER_MANAGER);
            try {
                idpManager = (WebAppIdPManager) Class.forName(className)
                        .getConstructor(AppManagerConfiguration.class).newInstance(config);
            } catch (InstantiationException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            } catch (IllegalAccessException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            } catch (NoSuchMethodException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            } catch (SecurityException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            } catch (ClassNotFoundException e) {
                log.error(e);
                throw new AppManagementException(e.getMessage());
            }
        }
        return idpManager;
    }
}