/*
* Copyright (c) 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.policy.mgt.core.config;
import org.w3c.dom.Document;
import org.wso2.carbon.policy.mgt.common.PolicyManagementException;
import org.wso2.carbon.policy.mgt.core.config.datasource.DataSourceConfig;
import org.wso2.carbon.policy.mgt.core.util.PolicyManagementConstants;
import org.wso2.carbon.policy.mgt.core.util.PolicyManagerUtil;
import org.wso2.carbon.utils.CarbonUtils;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import java.io.File;
/**
* Class responsible for the rss manager configuration initialization
*/
public class PolicyConfigurationManager {
private PolicyManagementConfig currentPolicyConfig;
private static PolicyConfigurationManager policyConfigurationManager;
private final String deviceMgtConfigXMLPath = CarbonUtils.getCarbonConfigDirPath() + File.separator +
PolicyManagementConstants.DEVICE_CONFIG_XML_NAME;
public static PolicyConfigurationManager getInstance() {
if (policyConfigurationManager == null) {
synchronized (PolicyConfigurationManager.class) {
if (policyConfigurationManager == null) {
policyConfigurationManager = new PolicyConfigurationManager();
}
}
}
return policyConfigurationManager;
}
public synchronized void initConfig() throws PolicyManagementException {
try {
File deviceMgtConfig = new File(deviceMgtConfigXMLPath);
Document doc = PolicyManagerUtil.convertToDocument(deviceMgtConfig);
/* Un-marshaling Device Management configuration */
JAXBContext rssContext = JAXBContext.newInstance(PolicyManagementConfig.class);
Unmarshaller unmarshaller = rssContext.createUnmarshaller();
this.currentPolicyConfig = (PolicyManagementConfig) unmarshaller.unmarshal(doc);
} catch (Exception e) {
throw new PolicyManagementException("Error occurred while initializing RSS config", e);
}
}
public PolicyManagementConfig getPolicyManagementConfig() {
return currentPolicyConfig;
}
public DataSourceConfig getDataSourceConfig() {
return currentPolicyConfig.getPolicyManagementRepository().getDataSourceConfig();
}
}