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/*
* ============LICENSE_START==========================================
* ONAP Portal SDK
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.
*
* ============LICENSE_END============================================
*
*
*/
package org.onap.portalsdk.analytics.controller;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.portalsdk.analytics.error.RaptorException;
import org.onap.portalsdk.analytics.error.RaptorRuntimeException;
import org.onap.portalsdk.analytics.system.Globals;
import org.onap.portalsdk.analytics.util.AppConstants;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
public class Controller extends org.onap.portalsdk.analytics.RaptorObject {
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(Controller.class);
public Controller() {
}
public String processRequest(HttpServletRequest request) {
String actionKey = nvl(request.getParameter(AppConstants.RI_ACTION), "report.run");
return processRequest(actionKey, request);
} // processRequest
public String processRequest(String actionKey, HttpServletRequest request) {
Action action = null;
try {
action = Globals.getRaptorActionMapping().getAction(actionKey);
if (action == null)
throw new RaptorRuntimeException("Action not found");
} catch (RaptorException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. RaptorException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. Exception: " + e.getMessage()));
}
try {
Class[] paramTypes = new Class[2];
paramTypes[0] = Class.forName("javax.servlet.http.HttpServletRequest");
paramTypes[1] = Class.forName("java.lang.String");
Class handlerClass = Class.forName(action.getControllerClass());
Object handler = handlerClass.newInstance();
Method handlerMethod = handlerClass.getMethod(action.getControllerMethod(),
paramTypes);
Object[] paramValues = new Object[2];
paramValues[0] = request;
paramValues[1] = action.getJspName();
return (String) handlerMethod.invoke(handler, paramValues);
} catch (ClassNotFoundException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. ClassNotFoundException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest] Unable to instantiate and invoke action handler. Exception: "
+ e.getMessage()));
} catch (IllegalAccessException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. IllegalAccessException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest] Unable to instantiate and invoke action handler. Exception: "
+ e.getMessage()));
}catch (InstantiationException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. InstantiationException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest] Unable to instantiate and invoke action handler. Exception: "
+ e.getMessage()));
}catch (NoSuchMethodException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. NoSuchMethodException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest] Unable to instantiate and invoke action handler. Exception: "
+ e.getMessage()));
}catch (InvocationTargetException e) {
logger.debug(EELFLoggerDelegate.debugLogger, ("[Controller.processRequest]Invalid raptor action [" + actionKey
+ "]. InvocationTargetException: " + e.getMessage()));
return (new ErrorHandler()).processFatalError(request, new RaptorRuntimeException(
"[Controller.processRequest] Unable to instantiate and invoke action handler. Exception: "
+ e.getMessage()));
}
} // processRequest
public void handleRequest(HttpServletRequest request, HttpServletResponse response,
ServletContext servletContext) throws Exception {
String actionKey = nvl(request.getParameter(AppConstants.RI_ACTION), request.getParameter("action"));
handleRequest(actionKey, request, response, servletContext);
} // handleRequest
public void handleRequest(String actionKey, HttpServletRequest request,
HttpServletResponse response, ServletContext servletContext) throws Exception {
servletContext.getRequestDispatcher("/" + processRequest(actionKey, request)).forward(
request, response);
} // handleRequest
} // Controller
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