pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / highlighter / src / java / org / apache / lucene / search / highlight / TokenStreamFromTermPositionVector.java

diff --git a/lucene-java-3.4.0/lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/TokenStreamFromTermPositionVector.java b/lucene-java-3.4.0/lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/TokenStreamFromTermPositionVector.java
deleted file mode 100644 (file)
index 64f46dd..0000000
--- a/lucene-java-3.4.0/lucene/contrib/highlighter/src/java/org/apache/lucene/search/highlight/TokenStreamFromTermPositionVector.java
+++ /dev/null
@@ -1,111 +0,0 @@
-package org.apache.lucene.search.highlight;
-
-/**
- * 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.
- */
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.Iterator;
-import java.util.List;
-
-import org.apache.lucene.analysis.Token;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
-import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
-import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
-import org.apache.lucene.index.TermPositionVector;
-import org.apache.lucene.index.TermVectorOffsetInfo;
-import org.apache.lucene.util.CollectionUtil;
-
-public final class TokenStreamFromTermPositionVector extends TokenStream {
-
-  private final List<Token> positionedTokens = new ArrayList<Token>();
-
-  private Iterator<Token> tokensAtCurrentPosition;
-
-  private CharTermAttribute termAttribute;
-
-  private PositionIncrementAttribute positionIncrementAttribute;
-
-  private OffsetAttribute offsetAttribute;
-
-  /**
-   * Constructor.
-   * 
-   * @param termPositionVector TermPositionVector that contains the data for
-   *        creating the TokenStream. Must have positions and offsets.
-   */
-  public TokenStreamFromTermPositionVector(
-      final TermPositionVector termPositionVector) {
-    termAttribute = addAttribute(CharTermAttribute.class);
-    positionIncrementAttribute = addAttribute(PositionIncrementAttribute.class);
-    offsetAttribute = addAttribute(OffsetAttribute.class);
-    final String[] terms = termPositionVector.getTerms();
-    for (int i = 0; i < terms.length; i++) {
-      final TermVectorOffsetInfo[] offsets = termPositionVector.getOffsets(i);
-      final int[] termPositions = termPositionVector.getTermPositions(i);
-      for (int j = 0; j < termPositions.length; j++) {
-        Token token;
-        if (offsets != null) {
-          token = new Token(terms[i].toCharArray(), 0, terms[i].length(),
-              offsets[j].getStartOffset(), offsets[j].getEndOffset());
-        } else {
-          token = new Token();
-          token.setEmpty().append(terms[i]);
-        }
-        // Yes - this is the position, not the increment! This is for
-        // sorting. This value
-        // will be corrected before use.
-        token.setPositionIncrement(termPositions[j]);
-        this.positionedTokens.add(token);
-      }
-    }
-    CollectionUtil.mergeSort(this.positionedTokens, tokenComparator);
-    int lastPosition = -1;
-    for (final Token token : this.positionedTokens) {
-      int thisPosition = token.getPositionIncrement();
-      token.setPositionIncrement(thisPosition - lastPosition);
-      lastPosition = thisPosition;
-    }
-    this.tokensAtCurrentPosition = this.positionedTokens.iterator();
-  }
-
-  private static final Comparator<Token> tokenComparator = new Comparator<Token>() {
-    public int compare(final Token o1, final Token o2) {
-      return o1.getPositionIncrement() - o2.getPositionIncrement();
-    }
-  };
-  
-  @Override
-  public boolean incrementToken() throws IOException {
-    if (this.tokensAtCurrentPosition.hasNext()) {
-      final Token next = this.tokensAtCurrentPosition.next();
-      clearAttributes();
-      termAttribute.setEmpty().append(next);
-      positionIncrementAttribute.setPositionIncrement(next
-          .getPositionIncrement());
-      offsetAttribute.setOffset(next.startOffset(), next.endOffset());
-      return true;
-    }
-    return false;
-  }
-
-  @Override
-  public void reset() throws IOException {
-    this.tokensAtCurrentPosition = this.positionedTokens.iterator();
-  }
-}