/*
*
* Copyright (c) 2015, 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.device.mgt.core.config.license;
import org.w3c.dom.Document;
import org.wso2.carbon.device.mgt.core.DeviceManagementConstants;
import org.wso2.carbon.device.mgt.common.license.mgt.LicenseManagementException;
import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
import org.wso2.carbon.utils.CarbonUtils;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import java.io.File;
public class LicenseConfigurationManager {
private LicenseConfig licenseConfig;
private static LicenseConfigurationManager licenseConfigManager;
private static final String LICENSE_CONFIG_PATH =
CarbonUtils.getEtcCarbonConfigDirPath() + File.separator +
DeviceManagementConstants.Common.DEFAULT_LICENSE_CONFIG_XML_NAME;
public static LicenseConfigurationManager getInstance() {
if (licenseConfigManager == null) {
synchronized (LicenseConfigurationManager.class) {
if (licenseConfigManager == null) {
licenseConfigManager = new LicenseConfigurationManager();
}
}
}
return licenseConfigManager;
}
public synchronized void initConfig() throws LicenseManagementException {
try {
File licenseMgtConfig = new File(LicenseConfigurationManager.LICENSE_CONFIG_PATH);
Document doc = DeviceManagerUtil.convertToDocument(licenseMgtConfig);
/* Un-marshaling License Management configuration */
JAXBContext cdmContext = JAXBContext.newInstance(LicenseConfig.class);
Unmarshaller unmarshaller = cdmContext.createUnmarshaller();
this.licenseConfig = (LicenseConfig) unmarshaller.unmarshal(doc);
} catch (Exception e) {
/* Catches generic exception as there's no specific task to be carried out catching a particular
exception */
throw new LicenseManagementException("Error occurred while initializing License Configurations", e);
}
}
public LicenseConfig getLicenseConfig() {
return licenseConfig;
}
}