| /* |
| * 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.uima.ruta.textruler.extension; |
| |
| import java.io.File; |
| import java.io.FilenameFilter; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.uima.analysis_engine.AnalysisEngine; |
| import org.apache.uima.analysis_engine.AnalysisEngineDescription; |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.ruta.textruler.TextRulerPlugin; |
| import org.apache.uima.ruta.textruler.core.GlobalCASSource; |
| import org.apache.uima.ruta.textruler.core.TextRulerToolkit; |
| import org.eclipse.core.runtime.Path; |
| |
| /** |
| * This "algorithm" gets executed right before the real algorithms get started. It preprocesses the |
| * input XMI files with the given Ruta preprocessing file and stores the results in a temporary |
| * folder. Those new XMI files are then passed as input documents to the MLAlgorithms. |
| * |
| */ |
| public class TextRulerPreprocessor { |
| |
| public String run(String inFolder, String tmFile, String tmpDir, String[] currentSlotNames, |
| TextRulerPreprocessorDelegate delegate) { |
| return run(inFolder, "input", tmFile, tmpDir, currentSlotNames, delegate); |
| } |
| |
| public String run(String inFolder, String docType, String tmFile, String tmpDir, |
| String[] currentSlotNames, TextRulerPreprocessorDelegate delegate) { |
| if(StringUtils.isBlank(inFolder)) { |
| return inFolder; |
| } |
| |
| AnalysisEngineDescription analysisEngineDescription = TextRulerToolkit |
| .getAnalysisEngineDescription(TextRulerToolkit |
| .getEngineDescriptorFromTMSourceFile(new Path(tmFile))); |
| // we want to reuse these cases, so extend the type system in case a boundary-based learner is |
| // called |
| TextRulerToolkit.addBoundaryTypes(analysisEngineDescription, currentSlotNames); |
| AnalysisEngine ae = TextRulerToolkit.loadAnalysisEngine(analysisEngineDescription); |
| |
| // preprocess input XMIs |
| File inputFolder = new File(inFolder); |
| File outputFolder = new File(tmpDir + docType); |
| File[] files = inputFolder.listFiles(new FilenameFilter() { |
| public boolean accept(File dir, String name) { |
| return (name.endsWith(".xmi")); |
| } |
| }); |
| |
| try { |
| outputFolder.mkdir(); |
| } catch (Exception e) { |
| TextRulerPlugin.error(e); |
| return null; |
| } |
| |
| CAS cas = null; |
| for (File file : files) { |
| if (delegate != null && delegate.shouldAbort()) { |
| TextRulerToolkit.log("[PREPROCESSOR] ABORT"); |
| break; |
| } |
| TextRulerToolkit.log("Load INPUT XMI file: " + file.getName()); |
| if (delegate != null) |
| delegate.preprocessorStatusUpdate(this, |
| "Loading input XMI file (" + docType + "): " + file.getName()); |
| cas = TextRulerToolkit.readCASfromXMIFile(file, ae, cas); |
| System.out.print("Processing..."); |
| try { |
| ae.process(cas); |
| TextRulerToolkit.log(" OK"); |
| TextRulerToolkit.writeCAStoXMIFile(cas, outputFolder + "/processed_" + file.getName()); |
| } catch (Exception e) { |
| TextRulerPlugin.error(e); |
| TextRulerToolkit.log(" ERROR!"); |
| } |
| cas.reset(); |
| if (delegate != null) |
| delegate.preprocessorStatusUpdate(this, "Done"); |
| } |
| if (cas != null) { |
| cas.reset(); |
| GlobalCASSource.releaseCAS(cas); |
| } |
| return tmpDir + docType; |
| } |
| |
| } |