pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / benchmark / src / java / org / apache / lucene / benchmark / byTask / feeds / TrecGov2Parser.java

diff --git a/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/TrecGov2Parser.java b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/TrecGov2Parser.java
new file mode 100755 (executable)
index 0000000..ef8371d
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+++ b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/TrecGov2Parser.java
@@ -0,0 +1,59 @@
+package org.apache.lucene.benchmark.byTask.feeds;
+
+/**
+ * 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.io.Reader;
+import java.util.Date;
+
+/**
+ * Parser for the GOV2 collection format
+ */
+public class TrecGov2Parser extends TrecDocParser {
+
+  private static final String DATE = "Date: ";
+  private static final String DATE_END = TrecContentSource.NEW_LINE;
+  
+  private static final String DOCHDR = "<DOCHDR>";
+  private static final String TERMINATING_DOCHDR = "</DOCHDR>";
+  private static final int TERMINATING_DOCHDR_LENGTH = TERMINATING_DOCHDR.length();
+
+  @Override
+  public DocData parse(DocData docData, String name, TrecContentSource trecSrc, 
+      StringBuilder docBuf, ParsePathType pathType) throws IOException, InterruptedException {
+    // Set up a (per-thread) reused Reader over the read content, reset it to re-read from docBuf
+    Reader r = trecSrc.getTrecDocReader(docBuf);
+
+    // skip some of the text, optionally set date
+    Date date = null;
+    int h1 = docBuf.indexOf(DOCHDR);
+    if (h1>=0) {
+      int h2 = docBuf.indexOf(TERMINATING_DOCHDR,h1);
+      String dateStr = extract(docBuf, DATE, DATE_END, h2, null);
+      if (dateStr != null) {
+        date = trecSrc.parseDate(dateStr);
+      }
+      r.mark(h2+TERMINATING_DOCHDR_LENGTH);
+    }
+
+    r.reset();
+    HTMLParser htmlParser = trecSrc.getHtmlParser();
+    return htmlParser.parse(docData, name, date, null, r, null);
+  }
+  
+}