/*
* 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.api.mgt.config;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;
import org.wso2.carbon.device.mgt.common.DeviceManagementException;
import org.wso2.carbon.device.mgt.core.api.mgt.APIConfig;
import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
import org.wso2.carbon.utils.CarbonUtils;
import org.xml.sax.SAXException;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import java.io.File;
import java.util.List;
/**
* This class carries all API configurations used by device management components, that need to be published within
* the underlying API-Management infrastructure.
*/
@XmlRootElement(name = "APIPublisherConfig")
public class APIPublisherConfig {
private List<APIConfig> apiConfigs;
private static APIPublisherConfig config;
private static final Log log = LogFactory.getLog(APIPublisherConfig.class);
private static final String USER_DEFINED_API_CONFIG_PATH =
CarbonUtils.getEtcCarbonConfigDirPath() + File.separator + "user-api-publisher-config.xml";
private static final String USER_DEFINED_API_CONFIG_SCHEMA_PATH =
"resources/config/schema/api-publisher-config-schema.xsd";
private static final Object LOCK = new Object();
public static APIPublisherConfig getInstance() {
if (config == null) {
synchronized (LOCK) {
try {
init();
} catch (DeviceManagementException e) {
log.error("Error occurred while initializing API Publisher Config", e);
}
}
}
return config;
}
@XmlElementWrapper(name = "APIs", required = true)
@XmlElement(name = "API", required = true)
public List<APIConfig> getApiConfigs() {
return apiConfigs;
}
@SuppressWarnings("unused")
public void setApiConfigs(List<APIConfig> apiConfigs) {
this.apiConfigs = apiConfigs;
}
private static void init() throws DeviceManagementException {
try {
File publisherConfig = new File(APIPublisherConfig.USER_DEFINED_API_CONFIG_PATH);
Document doc = DeviceManagerUtil.convertToDocument(publisherConfig);
/* Un-marshaling API publisher configuration */
JAXBContext ctx = JAXBContext.newInstance(APIPublisherConfig.class);
Unmarshaller unmarshaller = ctx.createUnmarshaller();
//unmarshaller.setSchema(getSchema());
config = (APIPublisherConfig) unmarshaller.unmarshal(doc);
} catch (JAXBException e) {
throw new DeviceManagementException("Error occurred while un-marshalling API Publisher Config", e);
}
}
private static Schema getSchema() throws DeviceManagementException {
try {
File deviceManagementSchemaConfig = new File(APIPublisherConfig.USER_DEFINED_API_CONFIG_SCHEMA_PATH);
SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
return factory.newSchema(deviceManagementSchemaConfig);
} catch (SAXException e) {
throw new DeviceManagementException("Error occurred while initializing the schema of " +
"user-api-publisher-config.xml", e);
}
}
}