| /* |
| * 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 opennlp.tools.util.featuregen; |
| |
| import java.util.Map; |
| |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| import opennlp.tools.util.InvalidFormatException; |
| |
| /** |
| * @see WindowFeatureGenerator |
| */ |
| public class WindowFeatureGeneratorFactory |
| extends GeneratorFactory.AbstractXmlFeatureGeneratorFactory |
| implements GeneratorFactory.XmlFeatureGeneratorFactory { |
| |
| public WindowFeatureGeneratorFactory() { |
| super(); |
| } |
| |
| @Deprecated // TODO: (OPENNLP-1174) just remove when back-compat is no longer needed |
| public AdaptiveFeatureGenerator create(Element generatorElement, |
| FeatureGeneratorResourceProvider resourceManager) throws InvalidFormatException { |
| |
| Element nestedGeneratorElement = null; |
| |
| NodeList kids = generatorElement.getChildNodes(); |
| |
| for (int i = 0; i < kids.getLength(); i++) { |
| Node childNode = kids.item(i); |
| |
| if (childNode instanceof Element) { |
| nestedGeneratorElement = (Element) childNode; |
| break; |
| } |
| } |
| |
| if (nestedGeneratorElement == null) { |
| throw new InvalidFormatException("window feature generator must contain" + |
| " an aggregator element"); |
| } |
| |
| AdaptiveFeatureGenerator nestedGenerator = |
| GeneratorFactory.createGenerator(nestedGeneratorElement, resourceManager); |
| |
| String prevLengthString = generatorElement.getAttribute("prevLength"); |
| |
| int prevLength; |
| |
| try { |
| prevLength = Integer.parseInt(prevLengthString); |
| } catch (NumberFormatException e) { |
| throw new InvalidFormatException("prevLength attribute '" + prevLengthString |
| + "' is not a number!", e); |
| } |
| |
| String nextLengthString = generatorElement.getAttribute("nextLength"); |
| |
| int nextLength; |
| |
| try { |
| nextLength = Integer.parseInt(nextLengthString); |
| } catch (NumberFormatException e) { |
| throw new InvalidFormatException("nextLength attribute '" + nextLengthString |
| + "' is not a number!", e); |
| } |
| |
| return new WindowFeatureGenerator(nestedGenerator, prevLength, nextLength); |
| } |
| |
| @Deprecated // TODO: (OPENNLP-1174) just remove when back-compat is no longer needed |
| static void register(Map<String, GeneratorFactory.XmlFeatureGeneratorFactory> factoryMap) { |
| factoryMap.put("window", new WindowFeatureGeneratorFactory()); |
| } |
| |
| @Override |
| public AdaptiveFeatureGenerator create() throws InvalidFormatException { |
| AdaptiveFeatureGenerator generator = (AdaptiveFeatureGenerator)args.get("generator#0"); |
| if (generator == null) { |
| throw new InvalidFormatException("window feature generator must contain" + |
| " an aggregator element"); |
| } |
| return new WindowFeatureGenerator(generator, |
| getInt("prevLength"), getInt("nextLength")); |
| } |
| } |