| /******************************************************************************* |
| * 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.minilang; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.apache.ofbiz.base.location.FlexibleLocation; |
| import org.apache.ofbiz.base.util.UtilXml; |
| import org.apache.ofbiz.base.util.cache.UtilCache; |
| import org.apache.ofbiz.minilang.operation.MapProcessor; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| /** |
| * SimpleMapProcessor Mini Language |
| */ |
| public class SimpleMapProcessor { |
| |
| private static final UtilCache<String, Map<String, MapProcessor>> simpleMapProcessorsResourceCache = UtilCache.createUtilCache("minilang.SimpleMapProcessorsResource", 0, 0); |
| private static final UtilCache<URL, Map<String, MapProcessor>> simpleMapProcessorsURLCache = UtilCache.createUtilCache("minilang.SimpleMapProcessorsURL", 0, 0); |
| |
| protected static Map<String, MapProcessor> getAllProcessors(URL xmlURL) throws MiniLangException { |
| Map<String, MapProcessor> mapProcessors = new HashMap<String, MapProcessor>(); |
| // read in the file |
| Document document = null; |
| try { |
| document = UtilXml.readXmlDocument(xmlURL, true); |
| } catch (java.io.IOException e) { |
| throw new MiniLangException("Could not read XML file", e); |
| } catch (org.xml.sax.SAXException e) { |
| throw new MiniLangException("Could not parse XML file", e); |
| } catch (javax.xml.parsers.ParserConfigurationException e) { |
| throw new MiniLangException("XML parser not setup correctly", e); |
| } |
| if (document == null) { |
| throw new MiniLangException("Could not find SimpleMapProcessor XML document: " + xmlURL.toString()); |
| } |
| Element rootElement = document.getDocumentElement(); |
| for (Element simpleMapProcessorElement : UtilXml.childElementList(rootElement, "simple-map-processor")) { |
| MapProcessor processor = new MapProcessor(simpleMapProcessorElement); |
| mapProcessors.put(simpleMapProcessorElement.getAttribute("name"), processor); |
| } |
| return mapProcessors; |
| } |
| |
| protected static Map<String, MapProcessor> getProcessors(String xmlResource, String name, ClassLoader loader) throws MiniLangException { |
| Map<String, MapProcessor> simpleMapProcessors = simpleMapProcessorsResourceCache.get(xmlResource); |
| if (simpleMapProcessors == null) { |
| URL xmlURL = null; |
| try { |
| xmlURL = FlexibleLocation.resolveLocation(xmlResource, loader); |
| } catch (MalformedURLException e) { |
| throw new MiniLangException("Could not find SimpleMapProcessor XML document in resource: " + xmlResource + "; error was: " + e.toString(), e); |
| } |
| if (xmlURL == null) { |
| throw new MiniLangException("Could not find SimpleMapProcessor XML document in resource: " + xmlResource); |
| } |
| simpleMapProcessors = simpleMapProcessorsResourceCache.putIfAbsentAndGet(xmlResource, getAllProcessors(xmlURL)); |
| } |
| return simpleMapProcessors; |
| } |
| |
| protected static Map<String, MapProcessor> getProcessors(URL xmlURL, String name) throws MiniLangException { |
| Map<String, MapProcessor> simpleMapProcessors = simpleMapProcessorsURLCache.get(xmlURL); |
| if (simpleMapProcessors == null) { |
| simpleMapProcessors = simpleMapProcessorsURLCache.putIfAbsentAndGet(xmlURL, getAllProcessors(xmlURL)); |
| } |
| return simpleMapProcessors; |
| } |
| |
| public static void runSimpleMapProcessor(String xmlResource, String name, Map<String, Object> inMap, Map<String, Object> results, List<Object> messages, Locale locale) throws MiniLangException { |
| runSimpleMapProcessor(xmlResource, name, inMap, results, messages, locale, null); |
| } |
| |
| public static void runSimpleMapProcessor(String xmlResource, String name, Map<String, Object> inMap, Map<String, Object> results, List<Object> messages, Locale locale, ClassLoader loader) throws MiniLangException { |
| if (loader == null) { |
| loader = Thread.currentThread().getContextClassLoader(); |
| } |
| Map<String, MapProcessor> mapProcessors = getProcessors(xmlResource, name, loader); |
| MapProcessor processor = mapProcessors.get(name); |
| if (processor == null) { |
| throw new MiniLangException("Could not find SimpleMapProcessor named " + name + " in XML document resource: " + xmlResource); |
| } |
| if (processor != null) { |
| processor.exec(inMap, results, messages, locale, loader); |
| } |
| } |
| |
| public static void runSimpleMapProcessor(URL xmlURL, String name, Map<String, Object> inMap, Map<String, Object> results, List<Object> messages, Locale locale, ClassLoader loader) throws MiniLangException { |
| if (loader == null) |
| loader = Thread.currentThread().getContextClassLoader(); |
| Map<String, MapProcessor> mapProcessors = getProcessors(xmlURL, name); |
| MapProcessor processor = mapProcessors.get(name); |
| if (processor == null) { |
| throw new MiniLangException("Could not find SimpleMapProcessor named " + name + " in XML document: " + xmlURL.toString()); |
| } |
| if (processor != null) { |
| processor.exec(inMap, results, messages, locale, loader); |
| } |
| } |
| } |