| /******************************************************************************* |
| * 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; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.eclipse.birt.report.engine.api.IReportEngine; |
| import org.apache.ofbiz.base.location.FlexibleLocation; |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.widget.model.ScreenFactory; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * BIRT Factory |
| * @author chatree |
| * |
| */ |
| public class BirtFactory { |
| |
| public final static String module = BirtFactory.class.getName(); |
| |
| protected static IReportEngine engine; |
| |
| /** |
| * set report engine |
| * @param engine |
| */ |
| public static void setReportEngine(IReportEngine engine) { |
| BirtFactory.engine = engine; |
| } |
| |
| /** |
| * get report engine |
| * @return |
| */ |
| public static IReportEngine getReportEngine() { |
| return engine; |
| } |
| |
| /** |
| * get report input stream from location |
| * @param resourceName |
| * @return returns the input stream from location |
| * @throws IOException |
| * @throws SAXException |
| * @throws ParserConfigurationException |
| */ |
| public static InputStream getReportInputStreamFromLocation(String resourceName) |
| throws IOException, SAXException, ParserConfigurationException{ |
| |
| InputStream reportInputStream = null; |
| synchronized (BirtFactory.class) { |
| long startTime = System.currentTimeMillis(); |
| ClassLoader loader = Thread.currentThread().getContextClassLoader(); |
| if (loader == null) { |
| loader = ScreenFactory.class.getClassLoader(); |
| } |
| URL reportFileUrl = null; |
| reportFileUrl = FlexibleLocation.resolveLocation(resourceName, loader); |
| if (reportFileUrl == null) { |
| throw new IllegalArgumentException("Could not resolve location to URL: " + resourceName); |
| } |
| reportInputStream = reportFileUrl.openStream(); |
| double totalSeconds = (System.currentTimeMillis() - startTime)/1000.0; |
| Debug.logInfo("Got report in " + totalSeconds + "s from: " + reportFileUrl.toExternalForm(), module); |
| } |
| |
| if (reportInputStream == null) { |
| throw new IllegalArgumentException("Could not find report file with location [" + resourceName + "]"); |
| } |
| return reportInputStream; |
| } |
| } |