pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / standard / processors / AllowLeadingWildcardProcessor.java

diff --git a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/AllowLeadingWildcardProcessor.java b/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/AllowLeadingWildcardProcessor.java
deleted file mode 100644 (file)
index 32c0a90..0000000
--- a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/AllowLeadingWildcardProcessor.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package org.apache.lucene.queryParser.standard.processors;
-
-/**
- * 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.util.List;
-
-import org.apache.lucene.messages.MessageImpl;
-import org.apache.lucene.queryParser.core.QueryNodeException;
-import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
-import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
-import org.apache.lucene.queryParser.core.nodes.QueryNode;
-import org.apache.lucene.queryParser.core.processors.QueryNodeProcessorImpl;
-import org.apache.lucene.queryParser.core.util.UnescapedCharSequence;
-import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
-import org.apache.lucene.queryParser.standard.nodes.WildcardQueryNode;
-import org.apache.lucene.queryParser.standard.parser.EscapeQuerySyntaxImpl;
-
-/**
- * This processor verifies if
- * {@link ConfigurationKeys#ALLOW_LEADING_WILDCARD} is defined in the
- * {@link QueryConfigHandler}. If it is and leading wildcard is not allowed, it
- * looks for every {@link WildcardQueryNode} contained in the query node tree
- * and throws an exception if any of them has a leading wildcard ('*' or '?'). <br/>
- * 
- * @see ConfigurationKeys#ALLOW_LEADING_WILDCARD
- */
-public class AllowLeadingWildcardProcessor extends QueryNodeProcessorImpl {
-
-  public AllowLeadingWildcardProcessor() {
-    // empty constructor
-  }
-
-  @Override
-  public QueryNode process(QueryNode queryTree) throws QueryNodeException {
-    Boolean allowsLeadingWildcard = getQueryConfigHandler().get(ConfigurationKeys.ALLOW_LEADING_WILDCARD);
-
-    if (allowsLeadingWildcard != null) {
-
-      if (!allowsLeadingWildcard) {
-        return super.process(queryTree);
-      }
-
-    }
-
-    return queryTree;
-  }
-
-  @Override
-  protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException {
-
-    if (node instanceof WildcardQueryNode) {
-      WildcardQueryNode wildcardNode = (WildcardQueryNode) node;
-
-      if (wildcardNode.getText().length() > 0) {
-        
-        // Validate if the wildcard was escaped
-        if (UnescapedCharSequence.wasEscaped(wildcardNode.getText(), 0))
-          return node;
-        
-        switch (wildcardNode.getText().charAt(0)) {    
-          case '*':
-          case '?':
-            throw new QueryNodeException(new MessageImpl(
-                QueryParserMessages.LEADING_WILDCARD_NOT_ALLOWED, node
-                    .toQueryString(new EscapeQuerySyntaxImpl())));    
-        }
-      }
-
-    }
-
-    return node;
-
-  }
-
-  @Override
-  protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
-
-    return node;
-
-  }
-
-  @Override
-  protected List<QueryNode> setChildrenOrder(List<QueryNode> children)
-      throws QueryNodeException {
-
-    return children;
-
-  }
-
-}