forked from community/device-mgt-core
Fixing NPE thrown at server startup as a result of APIManagerConfigurationService not being available while the JAX-RS services are registered as APIs
prabathabey
10 years ago
parent
3c425ab0eb
commit
83c9ae42b5
@ -0,0 +1,169 @@
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/**
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.wso2.carbon.device.mgt.mobile.internal;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.osgi.framework.BundleContext;
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import org.osgi.framework.ServiceRegistration;
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import org.osgi.service.component.ComponentContext;
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import org.wso2.carbon.apimgt.api.APIManagementException;
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import org.wso2.carbon.apimgt.api.APIProvider;
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import org.wso2.carbon.apimgt.impl.APIManagerConfigurationService;
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import org.wso2.carbon.apimgt.impl.APIManagerFactory;
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import org.wso2.carbon.core.ServerStartupHandler;
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import org.wso2.carbon.device.mgt.common.DeviceManagementException;
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import org.wso2.carbon.device.mgt.common.spi.DeviceManagerService;
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import org.wso2.carbon.device.mgt.mobile.DataSourceListener;
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import org.wso2.carbon.device.mgt.mobile.config.APIConfig;
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import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceConfigurationManager;
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import org.wso2.carbon.device.mgt.mobile.config.MobileDeviceManagementConfig;
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import org.wso2.carbon.device.mgt.mobile.config.datasource.MobileDataSourceConfig;
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import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOFactory;
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import org.wso2.carbon.device.mgt.mobile.impl.android.AndroidDeviceManagerService;
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import org.wso2.carbon.device.mgt.mobile.impl.ios.IOSDeviceManagerService;
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import org.wso2.carbon.device.mgt.mobile.impl.windows.WindowsDeviceManagerService;
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import org.wso2.carbon.device.mgt.mobile.util.DeviceManagementAPIPublisherUtil;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @scr.component name="org.wso2.carbon.device.mgt.mobile.impl.internal.MobileDeviceManagementServiceComponent"
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* immediate="true"
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* @scr.reference name="api.manager.config.service"
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* interface="org.wso2.carbon.apimgt.impl.APIManagerConfigurationService"
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* cardinality="1..1"
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* policy="dynamic"
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* bind="setAPIManagerConfigurationService"
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* unbind="unsetAPIManagerConfigurationService"
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* <p/>
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* Adding reference to API Manager Configuration service is an unavoidable hack to get rid of NPEs thrown while
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* initializing APIMgtDAOs when trying to register APIs programmatically. APIMgtDAO needs to be proper cleaned up
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* to avoid as an ideal fix
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*/
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public class MobileDeviceManagementServiceComponent {
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private ServiceRegistration androidServiceRegRef;
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private ServiceRegistration iOSServiceRegRef;
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private ServiceRegistration windowsServiceRegRef;
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private static final Log log = LogFactory.getLog(MobileDeviceManagementServiceComponent.class);
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protected void activate(ComponentContext ctx) {
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if (log.isDebugEnabled()) {
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log.debug("Activating Mobile Device Management Service Component");
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}
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try {
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BundleContext bundleContext = ctx.getBundleContext();
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/* Initialize the datasource configuration */
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MobileDeviceConfigurationManager.getInstance().initConfig();
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MobileDeviceManagementConfig config = MobileDeviceConfigurationManager.getInstance()
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.getMobileDeviceManagementConfig();
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MobileDataSourceConfig dsConfig =
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config.getMobileDeviceMgtRepository().getMobileDataSourceConfig();
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MobileDeviceManagementDAOFactory.setMobileDataSourceConfig(dsConfig);
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androidServiceRegRef =
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bundleContext.registerService(DeviceManagerService.class.getName(),
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new AndroidDeviceManagerService(), null);
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iOSServiceRegRef =
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bundleContext.registerService(DeviceManagerService.class.getName(),
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new IOSDeviceManagerService(), null);
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windowsServiceRegRef =
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bundleContext.registerService(DeviceManagerService.class.getName(),
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new WindowsDeviceManagerService(), null);
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/* Initialize all API configurations with corresponding API Providers */
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this.initAPIConfigs();
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/* Publish all mobile device management related JAX-RS services as APIs */
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this.publishAPIs();
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if (log.isDebugEnabled()) {
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log.debug("Mobile Device Management Service Component has been successfully activated");
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}
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} catch (Throwable e) {
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log.error("Error occurred while activating Mobile Device Management Service Component");
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}
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}
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protected void deactivate(ComponentContext ctx) {
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if (log.isDebugEnabled()) {
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log.debug("De-activating Mobile Device Management Service Component");
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}
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try {
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BundleContext bundleContext = ctx.getBundleContext();
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androidServiceRegRef.unregister();
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iOSServiceRegRef.unregister();
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windowsServiceRegRef.unregister();
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/* Removing all APIs published upon start-up for mobile device management related JAX-RS
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services */
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this.removeAPIs();
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if (log.isDebugEnabled()) {
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log.debug("Mobile Device Management Service Component has been successfully de-activated");
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}
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} catch (Throwable e) {
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log.error("Error occurred while de-activating Mobile Device Management bundle", e);
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}
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}
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private void initAPIConfigs() throws DeviceManagementException {
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List<APIConfig> apiConfigs =
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MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
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getApiPublisherConfig().getAPIs();
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for (APIConfig apiConfig : apiConfigs) {
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try {
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APIProvider provider = APIManagerFactory.getInstance().getAPIProvider(apiConfig.getOwner());
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apiConfig.init(provider);
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} catch (APIManagementException e) {
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throw new DeviceManagementException("Error occurred while initializing API Config '" +
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apiConfig.getName() + "'", e);
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}
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}
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}
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private void publishAPIs() throws DeviceManagementException {
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List<APIConfig> apiConfigs =
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MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
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getApiPublisherConfig().getAPIs();
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for (APIConfig apiConfig : apiConfigs) {
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DeviceManagementAPIPublisherUtil.publishAPI(apiConfig);
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}
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}
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private void removeAPIs() throws DeviceManagementException {
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List<APIConfig> apiConfigs =
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MobileDeviceConfigurationManager.getInstance().getMobileDeviceManagementConfig().
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getApiPublisherConfig().getAPIs();
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for (APIConfig apiConfig : apiConfigs) {
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DeviceManagementAPIPublisherUtil.removeAPI(apiConfig);
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}
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}
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protected void setAPIManagerConfigurationService(APIManagerConfigurationService service) {
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//do nothing
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}
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protected void unsetAPIManagerConfigurationService(APIManagerConfigurationService service) {
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//do nothing
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}
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}
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