| /* ==================================================================== |
| 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.poi.xdgf.util; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.poi.POIXMLException; |
| import org.apache.xmlbeans.XmlObject; |
| |
| |
| public class ObjectFactory<T, X extends XmlObject> { |
| |
| Map<String, Constructor<? extends T>> _types = new HashMap<String, Constructor<? extends T>>(); |
| |
| public void put(String typeName, Class<? extends T> cls, Class<?>... varargs) throws NoSuchMethodException, SecurityException { |
| _types.put(typeName, cls.getDeclaredConstructor(varargs)); |
| } |
| |
| public T load(String name, Object... varargs) { |
| Constructor<? extends T> constructor = _types.get(name); |
| if (constructor == null) { |
| |
| @SuppressWarnings("unchecked") |
| X xmlObject = (X) varargs[0]; |
| |
| String typeName = xmlObject.schemaType().getName().getLocalPart(); |
| throw new POIXMLException("Invalid '" + typeName + "' name '" + name + "'"); |
| } |
| |
| try { |
| return constructor.newInstance(varargs); |
| } catch (InvocationTargetException e) { |
| throw new POIXMLException(e.getCause()); |
| } catch (Exception e) { |
| throw new POIXMLException(e); |
| } |
| } |
| |
| } |