| /******************************************************************************* |
| * 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.apache.ofbiz.birt.webapp.view; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.sql.SQLException; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.base.util.GeneralException; |
| import org.apache.ofbiz.base.util.UtilGenerics; |
| import org.apache.ofbiz.base.util.UtilHttp; |
| import org.apache.ofbiz.base.util.UtilProperties; |
| import org.apache.ofbiz.base.util.UtilValidate; |
| import org.apache.ofbiz.birt.BirtFactory; |
| import org.apache.ofbiz.birt.BirtWorker; |
| import org.apache.ofbiz.birt.flexible.BirtUtil; |
| import org.apache.ofbiz.entity.Delegator; |
| import org.apache.ofbiz.entity.GenericEntityException; |
| import org.apache.ofbiz.entity.util.EntityUtilProperties; |
| import org.apache.ofbiz.webapp.view.ViewHandler; |
| import org.apache.ofbiz.webapp.view.ViewHandlerException; |
| import org.eclipse.birt.core.exception.BirtException; |
| import org.eclipse.birt.report.engine.api.IReportEngine; |
| import org.eclipse.birt.report.engine.api.IReportRunnable; |
| import org.xml.sax.SAXException; |
| |
| public class BirtViewHandler implements ViewHandler { |
| |
| public static final String module = BirtViewHandler.class.getName(); |
| public static final String resource_error = "BirtErrorUiLabels"; |
| |
| protected ServletContext servletContext = null; |
| |
| private String name = "birt"; |
| |
| public void init(ServletContext context) throws ViewHandlerException { |
| this.servletContext = context; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public void render(String name, String page, String info, |
| String contentType, String encoding, HttpServletRequest request, |
| HttpServletResponse response) throws ViewHandlerException { |
| |
| try { |
| IReportEngine engine = org.apache.ofbiz.birt.BirtFactory.getReportEngine(); |
| // open report design |
| IReportRunnable design = null; |
| |
| // add dynamic parameter for page |
| if (UtilValidate.isEmpty(page) || page.equals("ExecuteFlexibleReport")) { |
| page = (String) request.getParameter("rptDesignFile"); |
| } |
| if (UtilValidate.isEmpty(page)) { |
| Locale locale = (Locale) request.getLocale(); |
| throw new ViewHandlerException(UtilProperties.getMessage(resource_error, "BirtErrorNotPublishedReport", locale)); |
| } |
| if (page.startsWith("component://")) { |
| InputStream reportInputStream = BirtFactory.getReportInputStreamFromLocation(page); |
| design = engine.openReportDesign(reportInputStream); |
| } else { |
| design = engine.openReportDesign(page); |
| } |
| |
| Map<String, Object> appContext = UtilGenerics.cast(engine.getConfig().getAppContext()); |
| BirtWorker.setWebContextObjects(appContext, request, response); |
| |
| Map<String, Object> context = new HashMap<String, Object>(); |
| // set parameters from request |
| Map<String, Object> parameters = UtilGenerics.cast(request.getAttribute(BirtWorker.getBirtParameters())); |
| if (parameters != null) { |
| context.put(BirtWorker.getBirtParameters(), parameters); |
| } else { |
| context.put(BirtWorker.getBirtParameters(), UtilHttp.getParameterMap(request)); |
| } |
| // set locale from request |
| Locale locale = (Locale) request.getAttribute(BirtWorker.getBirtLocale()); |
| if (locale == null) { |
| locale = UtilHttp.getLocale(request); |
| } |
| |
| // set override content type |
| String overrideContentType = (String) request.getParameter(BirtWorker.getBirtContentType()); |
| if (UtilValidate.isNotEmpty(overrideContentType)) { |
| contentType = overrideContentType; |
| } |
| |
| // set output file name to get also file extension |
| String outputFileName = (String) request.getParameter(BirtWorker.getBirtOutputFileName()); |
| if (UtilValidate.isNotEmpty(outputFileName)) { |
| outputFileName = BirtUtil.encodeReportName(outputFileName); |
| String format = BirtUtil.getMimeTypeFileExtension(contentType); |
| if (! outputFileName.endsWith(format)) { |
| outputFileName = outputFileName.concat(format); |
| } |
| outputFileName = UtilHttp.canonicalizeParameter(outputFileName); |
| response.setHeader("Content-Disposition", "attachment; filename=" + outputFileName); |
| } |
| |
| // checking consistency between Birt content type and response content type |
| if (! contentType.equals(response.getContentType())) { |
| response.setContentType(contentType); |
| } |
| |
| context.put(BirtWorker.getBirtLocale(), locale); |
| Delegator delegator = (Delegator) request.getAttribute("delegator"); |
| String birtImageDirectory = EntityUtilProperties.getPropertyValue("birt", "birt.html.image.directory", delegator); |
| context.put(BirtWorker.getBirtImageDirectory(), birtImageDirectory); |
| BirtWorker.exportReport(design, context, contentType, response.getOutputStream()); |
| } catch (BirtException e) { |
| throw new ViewHandlerException("Birt Error create engine: " + e.toString(), e); |
| } catch (IOException e) { |
| throw new ViewHandlerException("Error in the response writer/output stream: " + e.toString(), e); |
| } catch (SQLException e) { |
| throw new ViewHandlerException("get connection error: " + e.toString(), e); |
| } catch (GenericEntityException e) { |
| throw new ViewHandlerException("generic entity error: " + e.toString(), e); |
| } catch (GeneralException e) { |
| throw new ViewHandlerException("general error: " + e.toString(), e); |
| } catch (SAXException se) { |
| String errMsg = "Error SAX rendering " + page + " view handler: " + se.toString(); |
| Debug.logError(se, errMsg, module); |
| throw new ViewHandlerException(errMsg, se); |
| } catch (ParserConfigurationException pe) { |
| String errMsg = "Error parser rendering " + page + " view handler: " + pe.toString(); |
| Debug.logError(pe, errMsg, module); |
| throw new ViewHandlerException(errMsg, pe); |
| } |
| } |
| } |