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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.ofbiz.webapp.view;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jimm.datavision.Report;
import jimm.datavision.UserCancellationException;
import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.webapp.control.ContextFilter;
import org.ofbiz.entity.Delegator;
import org.ofbiz.entity.jdbc.ConnectionFactory;
/**
* Handles DataVision type view rendering
*/
public class DataVisionViewHandler extends AbstractViewHandler {
public static final String module = DataVisionViewHandler.class.getName();
protected ServletContext context;
public void init(ServletContext context) throws ViewHandlerException {
this.context = context;
}
public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
// some containers call filters on EVERY request, even forwarded ones,
// so let it know that it came from the control servlet
if (request == null) {
throw new ViewHandlerException("The HttpServletRequest object was null, how did that happen?");
}
if (UtilValidate.isEmpty(page)) {
throw new ViewHandlerException("View page was null or empty, but must be specified");
}
if (UtilValidate.isEmpty(info)) {
throw new ViewHandlerException("View fnfo string was null or empty, but must be used to specify an Entity that is mapped to the Entity Engine datasource that the report will use.");
}
// tell the ContextFilter we are forwarding
request.setAttribute(ContextFilter.FORWARDED_FROM_SERVLET, Boolean.TRUE);
Delegator delegator = (Delegator) request.getAttribute("delegator");
if (delegator == null) {
throw new ViewHandlerException("The delegator object was null, how did that happen?");
}
try {
String datasourceName = delegator.getEntityHelperName(info);
Report report = new Report();
report.setDatabaseConnection(ConnectionFactory.getConnection(datasourceName));
/* NOTE: this is the old code that is no londer needed because of the new setDatabaseConnection method
report.setDatabasePassword(""); // password can be bogus because we are using an OFBiz connection...
Debug.logInfo("before creating database", module);
DataVisionDatabase dvDb = new DataVisionDatabase(datasourceName, report);
report.setDatabase(dvDb);
*/
Debug.logInfo("before reading file", module);
report.read(new File(context.getRealPath(page))); // Must be after password
/* NO support for param file yet... need to pull in page params or something
if (there_are_params_in_report) {
// This must come after reading the report file
report.setParameterXMLFile(param_xml_file_name);
} */
Debug.logInfo("before set layout engine", module);
report.setLayoutEngine(new jimm.datavision.layout.HTMLLE(response.getWriter()));
Debug.logInfo("before run report", module);
report.runReport(); // Run the report in this thread
Debug.logInfo("after run report, end", module);
} catch (UserCancellationException e) {
throw new ViewHandlerException("User cancelled report", e);
} catch (FileNotFoundException e) {
throw new ViewHandlerException("Report file not found [" + page + "]", e);
//} catch (ClassNotFoundException e) {
// throw new ViewHandlerException("Class not found in report", e);
} catch (IOException ie) {
throw new ViewHandlerException("IO Error in region", ie);
} catch (java.sql.SQLException e) {
throw new ViewHandlerException("Database error while running report", e);
} catch (Exception e) {
throw new ViewHandlerException("Error in report", e);
// } catch (ServletException se) {
// throw new ViewHandlerException("Error in region", se.getRootCause());
}
}
}