pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / analysis / WhitespaceAnalyzer.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/analysis/WhitespaceAnalyzer.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/analysis/WhitespaceAnalyzer.java
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+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/analysis/WhitespaceAnalyzer.java
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+package org.apache.lucene.analysis;
+
+/**
+ * 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.Reader;
+
+import org.apache.lucene.util.Version;
+
+/**
+ * An Analyzer that uses {@link WhitespaceTokenizer}.
+ * <p>
+ * <a name="version">You must specify the required {@link Version} compatibility
+ * when creating {@link CharTokenizer}:
+ * <ul>
+ * <li>As of 3.1, {@link WhitespaceTokenizer} uses an int based API to normalize and
+ * detect token codepoints. See {@link CharTokenizer#isTokenChar(int)} and
+ * {@link CharTokenizer#normalize(int)} for details.</li>
+ * </ul>
+ * <p>
+ **/
+public final class WhitespaceAnalyzer extends ReusableAnalyzerBase {
+  
+  private final Version matchVersion;
+  
+  /**
+   * Creates a new {@link WhitespaceAnalyzer}
+   * @param matchVersion Lucene version to match See {@link <a href="#version">above</a>}
+   */
+  public WhitespaceAnalyzer(Version matchVersion) {
+    this.matchVersion = matchVersion;
+  }
+  
+  /**
+   * Creates a new {@link WhitespaceAnalyzer}
+   * @deprecated use {@link #WhitespaceAnalyzer(Version)} instead 
+   */
+  @Deprecated
+  public WhitespaceAnalyzer() {
+    this(Version.LUCENE_30);
+  }
+  
+  @Override
+  protected TokenStreamComponents createComponents(final String fieldName,
+      final Reader reader) {
+    return new TokenStreamComponents(new WhitespaceTokenizer(matchVersion, reader));
+  }
+}