| /* |
| * 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.tika; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.apache.tika.config.TikaConfig; |
| import org.apache.tika.exception.TikaException; |
| import org.apache.tika.metadata.Metadata; |
| import org.apache.tika.parser.AutoDetectParser; |
| import org.apache.tika.parser.Parser; |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.cas.CASException; |
| import org.apache.uima.jcas.JCas; |
| import org.apache.uima.jcas.cas.FSArray; |
| |
| |
| public class TIKAWrapper { |
| |
| // configuration for TIKA - can be created by specifying a custom resource |
| private TikaConfig config = null; |
| |
| public TIKAWrapper()throws TikaException{ |
| config = TikaConfig.getDefaultConfig(); |
| } |
| |
| public TIKAWrapper(String configLocation) throws TikaException{ |
| if (configLocation!=null) |
| try { |
| config = new TikaConfig(configLocation); |
| } catch (Exception e) {} |
| if (config==null) |
| config = TikaConfig.getDefaultConfig(); |
| } |
| |
| |
| public void populateCASfromURL(CAS cas, URL uri, String language) throws CASException{ |
| populateCASfromURL(cas, uri, null, language); |
| } |
| |
| public void populateCASfromURL(CAS cas, URL url, String mime, String language) throws CASException{ |
| |
| InputStream originalStream=null; |
| try { |
| originalStream = new BufferedInputStream( |
| url.openStream()); |
| } catch (IOException e1) { |
| new CASException(e1); |
| } |
| |
| // use custom parser or rely on autodetect |
| Parser parser = config.getParser(); |
| |
| // it that does not work |
| if (parser == null) {parser = new AutoDetectParser(config);} |
| |
| Metadata md = new Metadata(); |
| MarkupHandler handler = new MarkupHandler(); |
| |
| try { |
| parser.parse(originalStream,handler , md); |
| } |
| catch (Exception e){ |
| // if we have a problem just dump the message and continue |
| // getLogger().log(Level.WARNING,"Problem converting file : "+URI+"\t"+e.getMessage()); |
| // cas.setDocumentText(""); return; |
| throw new CASException(e); |
| } |
| finally { |
| // set language if it was explicitly specified as a configuration |
| // parameter |
| if (language != null) { |
| cas.setDocumentLanguage(language); |
| } |
| try { |
| originalStream.close(); |
| } catch (IOException e) { |
| } |
| } |
| |
| // add text and markup to CAS |
| handler.populateCAS(cas); |
| |
| JCas jcas = cas.getJCas(); |
| |
| SourceDocumentAnnotation docAnnotation = new SourceDocumentAnnotation(jcas); |
| |
| // now iterate on the metadata found by Tika and add them to the info |
| if (docAnnotation.getFeatures()==null){ |
| docAnnotation.setFeatures((FSArray) cas |
| .createArrayFS(md.size()+1)) ; |
| } |
| int i=0; |
| for (;i<md.size();i++){ |
| String name = md.names()[i]; |
| String value = md.get(name); |
| FeatureValue fv = new FeatureValue(cas.getJCas()); |
| fv.setName(name); |
| fv.setValue(value); |
| // getLogger().log(Level.FINER,URI+"\t"+name+"\t"+value); |
| docAnnotation.setFeatures(i,fv); |
| } |
| |
| FeatureValue fv = new FeatureValue(jcas); |
| fv.setName("url"); |
| fv.setValue(url.toString()); |
| docAnnotation.setFeatures(i,fv); |
| |
| docAnnotation.addToIndexes(); |
| } |
| } |