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Fixing NPE thrown at server startup as a result of APIManagerConfigurationService not being available while the JAX-RS services are registered as APIs

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revert-dabc3590
prabathabey 10 years ago
parent 3c425ab0eb
commit 83c9ae42b5
2 changed files with 169 additions and 1 deletions
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1
components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/pom.xml
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@ -52,7 +52,6 @@
<Bundle-Name>${project.artifactId}</Bundle-Name>
<Bundle-Version>${project.version}</Bundle-Version>
<Bundle-Description>Device Management Mobile Impl Bundle</Bundle-Description>
<Bundle-Activator>org.wso2.carbon.device.mgt.mobile.internal.MobileDeviceManagementBundleActivator</Bundle-Activator>
<Private-Package>org.wso2.carbon.device.mgt.mobile.internal</Private-Package>
<Import-Package>
org.osgi.framework,

169
components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/internal/MobileDeviceManagementServiceComponent.java
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@ -0,0 +1,169 @@
/**
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed 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.mobile.internal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.apimgt.api.APIManagementException;
import org.wso2.carbon.apimgt.api.APIProvider;
import org.wso2.carbon.apimgt.impl.APIManagerConfigurationService;
import org.wso2.carbon.apimgt.impl.APIManagerFactory;
import org.wso2.carbon.core.ServerStartupHandler;
import org.wso2.carbon.device.mgt.common.DeviceManagementException;
import org.wso2.carbon.device.mgt.common.spi.DeviceManagerService;
import org.wso2.carbon.device.mgt.mobile.DataSourceListener;
import org.wso2.carbon.device.mgt.mobile.config.APIConfig;
import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceConfigurationManager;
import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceManagementConfig;
import org.wso2.carbon.device.mgt.mobile.config.datasource.MobileDataSourceConfig;
import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOFactory;
import org.wso2.carbon.device.mgt.mobile.impl.android.AndroidDeviceManagerService;
import org.wso2.carbon.device.mgt.mobile.impl.ios.IOSDeviceManagerService;
import org.wso2.carbon.device.mgt.mobile.impl.windows.WindowsDeviceManagerService;
import org.wso2.carbon.device.mgt.mobile.util.DeviceManagementAPIPublisherUtil;
import java.util.ArrayList;
import java.util.List;
/**
* @scr.component name="org.wso2.carbon.device.mgt.mobile.impl.internal.MobileDeviceManagementServiceComponent"
* immediate="true"
* @scr.reference name="api.manager.config.service"
* interface="org.wso2.carbon.apimgt.impl.APIManagerConfigurationService"
* cardinality="1..1"
* policy="dynamic"
* bind="setAPIManagerConfigurationService"
* unbind="unsetAPIManagerConfigurationService"
* <p/>
* Adding reference to API Manager Configuration service is an unavoidable hack to get rid of NPEs thrown while
* initializing APIMgtDAOs when trying to register APIs programmatically. APIMgtDAO needs to be proper cleaned up
* to avoid as an ideal fix
*/
public class MobileDeviceManagementServiceComponent {
private ServiceRegistration androidServiceRegRef;
private ServiceRegistration iOSServiceRegRef;
private ServiceRegistration windowsServiceRegRef;
private static final Log log = LogFactory.getLog(MobileDeviceManagementServiceComponent.class);
protected void activate(ComponentContext ctx) {
if (log.isDebugEnabled()) {
log.debug("Activating Mobile Device Management Service Component");
}
try {
BundleContext bundleContext = ctx.getBundleContext();
/* Initialize the datasource configuration */
MobileDeviceConfigurationManager.getInstance().initConfig();
MobileDeviceManagementConfig config = MobileDeviceConfigurationManager.getInstance()
.getMobileDeviceManagementConfig();
MobileDataSourceConfig dsConfig =
config.getMobileDeviceMgtRepository().getMobileDataSourceConfig();
MobileDeviceManagementDAOFactory.setMobileDataSourceConfig(dsConfig);
androidServiceRegRef =
bundleContext.registerService(DeviceManagerService.class.getName(),
new AndroidDeviceManagerService(), null);
iOSServiceRegRef =
bundleContext.registerService(DeviceManagerService.class.getName(),
new IOSDeviceManagerService(), null);
windowsServiceRegRef =
bundleContext.registerService(DeviceManagerService.class.getName(),
new WindowsDeviceManagerService(), null);
/* Initialize all API configurations with corresponding API Providers */
this.initAPIConfigs();
/* Publish all mobile device management related JAX-RS services as APIs */
this.publishAPIs();
if (log.isDebugEnabled()) {
log.debug("Mobile Device Management Service Component has been successfully activated");
}
} catch (Throwable e) {
log.error("Error occurred while activating Mobile Device Management Service Component");
}
}
protected void deactivate(ComponentContext ctx) {
if (log.isDebugEnabled()) {
log.debug("De-activating Mobile Device Management Service Component");
}
try {
BundleContext bundleContext = ctx.getBundleContext();
androidServiceRegRef.unregister();
iOSServiceRegRef.unregister();
windowsServiceRegRef.unregister();
/* Removing all APIs published upon start-up for mobile device management related JAX-RS
services */
this.removeAPIs();
if (log.isDebugEnabled()) {
log.debug("Mobile Device Management Service Component has been successfully de-activated");
}
} catch (Throwable e) {
log.error("Error occurred while de-activating Mobile Device Management bundle", e);
}
}
private void initAPIConfigs() throws DeviceManagementException {
List<APIConfig> apiConfigs =
MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
getApiPublisherConfig().getAPIs();
for (APIConfig apiConfig : apiConfigs) {
try {
APIProvider provider = APIManagerFactory.getInstance().getAPIProvider(apiConfig.getOwner());
apiConfig.init(provider);
} catch (APIManagementException e) {
throw new DeviceManagementException("Error occurred while initializing API Config '" +
apiConfig.getName() + "'", e);
}
}
}
private void publishAPIs() throws DeviceManagementException {
List<APIConfig> apiConfigs =
MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
getApiPublisherConfig().getAPIs();
for (APIConfig apiConfig : apiConfigs) {
DeviceManagementAPIPublisherUtil.publishAPI(apiConfig);
}
}
private void removeAPIs() throws DeviceManagementException {
List<APIConfig> apiConfigs =
MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
getApiPublisherConfig().getAPIs();
for (APIConfig apiConfig : apiConfigs) {
DeviceManagementAPIPublisherUtil.removeAPI(apiConfig);
}
}
protected void setAPIManagerConfigurationService(APIManagerConfigurationService service) {
//do nothing
}
protected void unsetAPIManagerConfigurationService(APIManagerConfigurationService service) {
//do nothing
}
}
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