| /* |
| * 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.adapter.vinci.util; |
| |
| import org.xml.sax.Attributes; |
| |
| /** |
| * A specialization of the general <code>SaxVinciFrameBuilder</code> utility for UIMA analysis |
| * engine services. Adds two options: |
| * <ul> |
| * <li>Supress document text</li> |
| * <li>Include spanned text as character content of all annotation FSs</li> |
| * </ul> |
| * |
| * |
| */ |
| public class UimaSaxVinciFrameBuilder extends SaxVinciFrameBuilder { |
| public UimaSaxVinciFrameBuilder(boolean aSupressDocumentText, |
| boolean aIncludeSpannedTextInAnnotations, String aDocText) { |
| mSupressDocumentText = aSupressDocumentText; |
| mIncludeSpannedTextInAnnotations = aIncludeSpannedTextInAnnotations; |
| mDocText = aDocText; |
| } |
| |
| private boolean mSupressDocumentText; |
| |
| private boolean mIncludeSpannedTextInAnnotations; |
| |
| private String mDocText; |
| |
| /** |
| * Overridden to supress document content and include annotation spans. |
| * |
| * @see SaxVinciFrameBuilder#getLeafContent(String, Attibutes, StringBuffer) |
| */ |
| protected String getLeafContent(String aFrameName, Attributes aAttributes, |
| StringBuffer aContentBuf) { |
| // supress documen text if requested |
| if ("uima.tcas.Document".equals(aFrameName) |
| || "uima.tcas.DocumentAnnotation".equals(aFrameName)) { |
| if (mSupressDocumentText) |
| return ""; |
| } else if (mIncludeSpannedTextInAnnotations && aContentBuf.length() == 0 && mDocText != null) { |
| // attempt to extract text fron begin,end feature values |
| String begin = aAttributes.getValue("begin"); |
| String end = aAttributes.getValue("end"); |
| if (begin != null && end != null) { |
| try { |
| int b = Integer.parseInt(begin); |
| int e = Integer.parseInt(end); |
| return mDocText.substring(b, e); |
| } catch (Exception e) { |
| // just ignore and use default behavior |
| } |
| } |
| } |
| // default to superclass behavior |
| return super.getLeafContent(aFrameName, aAttributes, aContentBuf); |
| } |
| |
| } |