--- /dev/null
+package org.apache.lucene.queryParser.standard.nodes;
+
+/**
+ * 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.queryParser.core.nodes.FieldQueryNode;
+import org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax;
+
+/**
+ * A {@link WildcardQueryNode} represents wildcard query This does not apply to
+ * phrases. Examples: a*b*c Fl?w? m?ke*g
+ */
+public class WildcardQueryNode extends FieldQueryNode {
+ private static final long serialVersionUID = 0L;
+
+ /**
+ * @param field
+ * - field name
+ * @param text
+ * - value that contains one or more wild card characters (? or *)
+ * @param begin
+ * - position in the query string
+ * @param end
+ * - position in the query string
+ */
+ public WildcardQueryNode(CharSequence field, CharSequence text, int begin,
+ int end) {
+ super(field, text, begin, end);
+ }
+
+ public WildcardQueryNode(FieldQueryNode fqn) {
+ this(fqn.getField(), fqn.getText(), fqn.getBegin(), fqn.getEnd());
+ }
+
+ @Override
+ public CharSequence toQueryString(EscapeQuerySyntax escaper) {
+ if (isDefaultField(this.field)) {
+ return getTermEscaped(escaper);
+ } else {
+ return this.field + ":" + getTermEscaped(escaper);
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "<wildcard field='" + this.field + "' term='" + this.text + "'/>";
+ }
+
+ @Override
+ public WildcardQueryNode cloneTree() throws CloneNotSupportedException {
+ WildcardQueryNode clone = (WildcardQueryNode) super.cloneTree();
+
+ // nothing to do here
+
+ return clone;
+ }
+
+}