001/** 
002 * Copyright (c) 2007-2008, Regents of the University of Colorado 
003 * All rights reserved.
004 * 
005 * Redistribution and use in source and binary forms, with or without
006 * modification, are permitted provided that the following conditions are met:
007 * 
008 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
009 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 
010 * Neither the name of the University of Colorado at Boulder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 
011 * 
012 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
013 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
014 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
015 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
016 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
017 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
018 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
019 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
020 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
021 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
022 * POSSIBILITY OF SUCH DAMAGE. 
023 */
024package org.cleartk.corpus.penntreebank;
025
026import java.util.ArrayList;
027import java.util.List;
028
029import org.apache.uima.cas.FeatureStructure;
030import org.apache.uima.jcas.JCas;
031import org.apache.uima.jcas.cas.FSArray;
032import org.apache.uima.jcas.cas.StringArray;
033import org.cleartk.syntax.constituent.type.TerminalTreebankNode;
034import org.cleartk.util.treebank.TopTreebankNode;
035import org.cleartk.util.treebank.TreebankNode;
036import org.apache.uima.fit.util.FSCollectionFactory;
037
038import com.google.common.annotations.Beta;
039
040/**
041 * <br>
042 * Copyright (c) 2007-2008, Regents of the University of Colorado <br>
043 * All rights reserved.
044 * 
045 * 
046 * @author Philip Ogren
047 * 
048 */
049@Beta
050public class TreebankNodeConverter {
051  public static org.cleartk.syntax.constituent.type.TopTreebankNode convert(
052      TopTreebankNode pojoNode,
053      JCas jCas,
054      boolean addToIndexes) {
055    org.cleartk.syntax.constituent.type.TopTreebankNode uimaNode = new org.cleartk.syntax.constituent.type.TopTreebankNode(
056        jCas,
057        pojoNode.getTextBegin(),
058        pojoNode.getTextEnd());
059    convert(pojoNode, jCas, uimaNode, null, addToIndexes);
060    uimaNode.setTreebankParse(pojoNode.getTreebankParse());
061    initTerminalNodes(uimaNode, jCas);
062    if (addToIndexes)
063      uimaNode.addToIndexes();
064    return uimaNode;
065  }
066
067  public static void initTerminalNodes(
068      org.cleartk.syntax.constituent.type.TopTreebankNode uimaNode,
069      JCas jCas) {
070    List<TerminalTreebankNode> terminals = new ArrayList<org.cleartk.syntax.constituent.type.TerminalTreebankNode>();
071    _initTerminalNodes(uimaNode, terminals);
072
073    for (int i = 0; i < terminals.size(); i++) {
074      TerminalTreebankNode terminal = terminals.get(i);
075      terminal.setIndex(i);
076    }
077
078    FSArray terminalsFSArray = new FSArray(jCas, terminals.size());
079    terminalsFSArray.copyFromArray(
080        terminals.toArray(new FeatureStructure[terminals.size()]),
081        0,
082        0,
083        terminals.size());
084    uimaNode.setTerminals(terminalsFSArray);
085  }
086
087  private static void _initTerminalNodes(
088      org.cleartk.syntax.constituent.type.TreebankNode node,
089      List<TerminalTreebankNode> terminals) {
090    FSArray children = node.getChildren();
091    for (int i = 0; i < children.size(); i++) {
092      org.cleartk.syntax.constituent.type.TreebankNode child = (org.cleartk.syntax.constituent.type.TreebankNode) children.get(i);
093      if (child instanceof TerminalTreebankNode) {
094        terminals.add((TerminalTreebankNode) child);
095      } else
096        _initTerminalNodes(child, terminals);
097    }
098  }
099
100  public static org.cleartk.syntax.constituent.type.TreebankNode convert(
101      TreebankNode pojoNode,
102      JCas jCas,
103      org.cleartk.syntax.constituent.type.TreebankNode uimaNode,
104      org.cleartk.syntax.constituent.type.TreebankNode parentNode,
105      boolean addToIndexes) {
106    uimaNode.setNodeType(pojoNode.getType());
107    StringArray nodeTags = (StringArray) (FSCollectionFactory.fillArrayFS(new StringArray(
108        jCas,
109        pojoNode.getTags().length), pojoNode.getTags()));
110    uimaNode.setNodeTags(nodeTags);
111    uimaNode.setNodeValue(pojoNode.getValue());
112    uimaNode.setLeaf(pojoNode.isLeaf());
113    uimaNode.setParent(parentNode);
114
115    List<org.cleartk.syntax.constituent.type.TreebankNode> uimaChildren = new ArrayList<org.cleartk.syntax.constituent.type.TreebankNode>();
116    for (TreebankNode child : pojoNode.getChildren()) {
117      org.cleartk.syntax.constituent.type.TreebankNode childNode;
118      if (child.isLeaf()) {
119        childNode = new TerminalTreebankNode(jCas, child.getTextBegin(), child.getTextEnd());
120      } else {
121        childNode = new org.cleartk.syntax.constituent.type.TreebankNode(
122            jCas,
123            child.getTextBegin(),
124            child.getTextEnd());
125      }
126      uimaChildren.add(convert(child, jCas, childNode, uimaNode, addToIndexes));
127      if (addToIndexes)
128        childNode.addToIndexes();
129    }
130    FSArray uimaChildrenFSArray = new FSArray(jCas, uimaChildren.size());
131    uimaChildrenFSArray.copyFromArray(
132        uimaChildren.toArray(new FeatureStructure[uimaChildren.size()]),
133        0,
134        0,
135        uimaChildren.size());
136    uimaNode.setChildren(uimaChildrenFSArray);
137    return uimaNode;
138  }
139}