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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 /***
36 * Empty dummy implementation of this interface method.
37 *
38 * @param node the node
39 */
40 public void visitBeforeChildren(ConfigurationNode node)
41 {
42 }
43
44 /***
45 * Empty dummy implementation of this interface method.
46 *
47 * @param node the node
48 */
49 public void visitAfterChildren(ConfigurationNode node)
50 {
51 }
52
53 /***
54 * Dummy implementation of this interface method. Returns always <b>false</b>.
55 *
56 * @return the terminate flag
57 */
58 public boolean terminate()
59 {
60 return false;
61 }
62 }