pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / analysis / standard / StandardFilter.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/standard/StandardFilter.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/standard/StandardFilter.java
deleted file mode 100644 (file)
index 7eeb87c..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/standard/StandardFilter.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package org.apache.lucene.analysis.standard;
-
-/**
- * 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 org.apache.lucene.analysis.TokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
-import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
-import org.apache.lucene.util.Version;
-
-/**
- * Normalizes tokens extracted with {@link StandardTokenizer}.
- */
-public class StandardFilter extends TokenFilter {
-  private final Version matchVersion;
-  
-  /** @deprecated Use {@link #StandardFilter(Version, TokenStream)} instead. */
-  @Deprecated
-  public StandardFilter(TokenStream in) {
-    this(Version.LUCENE_30, in);
-  }
-  
-  public StandardFilter(Version matchVersion, TokenStream in) {
-    super(in);
-    this.matchVersion = matchVersion;
-  }
-  
-  private static final String APOSTROPHE_TYPE = ClassicTokenizer.TOKEN_TYPES[ClassicTokenizer.APOSTROPHE];
-  private static final String ACRONYM_TYPE = ClassicTokenizer.TOKEN_TYPES[ClassicTokenizer.ACRONYM];
-
-  // this filters uses attribute type
-  private final TypeAttribute typeAtt = addAttribute(TypeAttribute.class);
-  private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
-  
-  @Override
-  public final boolean incrementToken() throws IOException {
-    if (matchVersion.onOrAfter(Version.LUCENE_31))
-      return input.incrementToken(); // TODO: add some niceties for the new grammar
-    else
-      return incrementTokenClassic();
-  }
-  
-  public final boolean incrementTokenClassic() throws IOException {
-    if (!input.incrementToken()) {
-      return false;
-    }
-
-    final char[] buffer = termAtt.buffer();
-    final int bufferLength = termAtt.length();
-    final String type = typeAtt.type();
-
-    if (type == APOSTROPHE_TYPE &&      // remove 's
-        bufferLength >= 2 &&
-        buffer[bufferLength-2] == '\'' &&
-        (buffer[bufferLength-1] == 's' || buffer[bufferLength-1] == 'S')) {
-      // Strip last 2 characters off
-      termAtt.setLength(bufferLength - 2);
-    } else if (type == ACRONYM_TYPE) {      // remove dots
-      int upto = 0;
-      for(int i=0;i<bufferLength;i++) {
-        char c = buffer[i];
-        if (c != '.')
-          buffer[upto++] = c;
-      }
-      termAtt.setLength(upto);
-    }
-
-    return true;
-  }
-}