Java tutorial
/* * Copyright (c) 2016, 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.governance.taxonomy.ui.clients; import org.apache.axis2.AxisFault; import org.apache.axis2.client.Options; import org.apache.axis2.client.ServiceClient; import org.apache.axis2.context.ConfigurationContext; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.CarbonConstants; import org.wso2.carbon.governance.taxonomy.stub.TaxonomyServicesRegistryExceptionException; import org.wso2.carbon.governance.taxonomy.stub.TaxonomyServicesStub; import org.wso2.carbon.governance.taxonomy.stub.TaxonomyServicesTaxonomyExceptionException; import org.wso2.carbon.registry.core.exceptions.RegistryException; import org.wso2.carbon.ui.CarbonUIUtil; import java.rmi.RemoteException; import javax.servlet.ServletConfig; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; /** * This class will handle all jsp method callings. And this will send all function calls to OSGI service through * taxonomy stub */ public class TaxonomyManagementClient { private static final Log log = LogFactory.getLog(TaxonomyManagementClient.class); private TaxonomyServicesStub stub; public TaxonomyManagementClient(String cookie, ServletConfig config, HttpSession session) throws TaxonomyServicesRegistryExceptionException { String endpointURL; String backendServerURL = CarbonUIUtil.getServerURL(config.getServletContext(), session); ConfigurationContext configContext = (ConfigurationContext) config.getServletContext() .getAttribute(CarbonConstants.CONFIGURATION_CONTEXT); endpointURL = backendServerURL + "TaxonomyServices"; try { stub = new TaxonomyServicesStub(configContext, endpointURL); ServiceClient client = stub._getServiceClient(); Options option = client.getOptions(); option.setManageSession(true); option.setProperty(org.apache.axis2.transport.http.HTTPConstants.COOKIE_STRING, cookie); } catch (AxisFault axisFault) { String msg = "Failed to initiate taxonomy service client. " + axisFault.getMessage(); throw new TaxonomyServicesRegistryExceptionException(msg, axisFault); } } /** * This method will call addTaxonomy method in taxonomy OSGI service * * @param request User request * @return boolean * @throws RemoteException * @throws TaxonomyServicesRegistryExceptionException */ public boolean newTaxonomy(HttpServletRequest request) throws RemoteException, TaxonomyServicesRegistryExceptionException { return stub.addTaxonomy(request.getParameter("payload")); } /** * This method will return content of the taxonomy file * * @param request user request which contains taxonomy file name * @return String content * @throws RemoteException * @throws TaxonomyServicesRegistryExceptionException */ public String getTaxonomy(HttpServletRequest request) throws RemoteException, TaxonomyServicesRegistryExceptionException { return stub.getTaxonomy(request.getParameter("taxonomyName")); } /** * This method will call updateTaxonomy method in taxonomy OSGI service * * @param request user request * @return boolean * @throws RemoteException * @throws TaxonomyServicesRegistryExceptionException */ public boolean updateTaxonomy(HttpServletRequest request) throws RemoteException, TaxonomyServicesRegistryExceptionException { return stub.updateTaxonomy(request.getParameter("taxonomyName"), request.getParameter("payload")); } /** * This method will call deleteTaxonomy method in taxonomy OSGI service * * @param request user request * @return boolean * @throws RemoteException * @throws TaxonomyServicesRegistryExceptionException */ public boolean deleteTaxonomy(HttpServletRequest request) throws RemoteException, TaxonomyServicesRegistryExceptionException { return stub.deleteTaxonomy(request.getParameter("taxonomyName")); } /** * This method will return array of taxonomies which in the registry for a specific tenant * * @param request user request * @return String array of taxonomy files * @throws RemoteException * @throws TaxonomyServicesRegistryExceptionException */ public String[] getTaxonomyList(HttpServletRequest request) throws RemoteException, TaxonomyServicesRegistryExceptionException { return stub.getTaxonomyList(); } }