pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / standard / config / FieldDateResolutionFCListener.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/FieldDateResolutionFCListener.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/FieldDateResolutionFCListener.java
new file mode 100644 (file)
index 0000000..9a1151b
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/FieldDateResolutionFCListener.java
@@ -0,0 +1,67 @@
+package org.apache.lucene.queryParser.standard.config;
+
+/**
+ * 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 org.apache.lucene.document.DateTools;
+import org.apache.lucene.queryParser.core.config.FieldConfig;
+import org.apache.lucene.queryParser.core.config.FieldConfigListener;
+import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
+import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
+
+/**
+ * This listener listens for every field configuration request and assign a
+ * {@link DateResolutionAttribute} to the equivalent {@link FieldConfig} based
+ * on a defined map: fieldName -> DateTools.Resolution stored in
+ * {@link FieldDateResolutionMapAttribute} in the
+ * {@link DateResolutionAttribute}.
+ * 
+ * @see DateResolutionAttribute
+ * @see FieldDateResolutionMapAttribute
+ * @see FieldConfig
+ * @see FieldConfigListener
+ */
+public class FieldDateResolutionFCListener implements FieldConfigListener {
+
+  private static final long serialVersionUID = -5929802948798314067L;
+
+  private QueryConfigHandler config = null;
+
+  public FieldDateResolutionFCListener(QueryConfigHandler config) {
+    this.config = config;
+  }
+
+  public void buildFieldConfig(FieldConfig fieldConfig) {
+    DateTools.Resolution dateRes = null;
+
+    if (this.config.has(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP)) {
+      dateRes = this.config.get(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP).get(
+          fieldConfig.getField());
+    }
+
+    if (dateRes == null) {
+      dateRes = this.config.get(ConfigurationKeys.DATE_RESOLUTION);
+    }
+
+    fieldConfig.addAttribute(DateResolutionAttribute.class).setDateResolution(dateRes);
+    
+    // uncomment code below when deprecated query parser attributes are removed
+    // fieldConfig.set(ConfigurationKeys.DATE_RESOLUTION, dateRes);
+
+  }
+
+}