01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.commons.configuration.tree;
18:
19: /**
20: * <p>
21: * A simple adapter class that simplyfies writing custom node visitor
22: * implementations.
23: * </p>
24: * <p>
25: * This class provides dummy implementations for the methods defined in the
26: * <code>ConfigurationNodeVisitor</code> interface. Derived classes only need
27: * to override the methods they really need.
28: * </p>
29: *
30: * @author Oliver Heger
31: */
32: public class ConfigurationNodeVisitorAdapter implements
33: ConfigurationNodeVisitor {
34: /**
35: * Empty dummy implementation of this interface method.
36: *
37: * @param node the node
38: */
39: public void visitBeforeChildren(ConfigurationNode node) {
40: }
41:
42: /**
43: * Empty dummy implementation of this interface method.
44: *
45: * @param node the node
46: */
47: public void visitAfterChildren(ConfigurationNode node) {
48: }
49:
50: /**
51: * Dummy implementation of this interface method. Returns always <b>false</b>.
52: *
53: * @return the terminate flag
54: */
55: public boolean terminate() {
56: return false;
57: }
58: }
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