1 /*
2 * JBoss, the OpenSource J2EE webOS
3 *
4 * Distributable under LGPL license.
5 * See terms of license at gnu.org.
6 */
7 package javax.management;
8
9 import java.io.Serializable;
10
11 /**
12 * A Final Substring Query Expression.<p>
13 *
14 * Returns true when an attribute value ends with the string expression.
15 *
16 * <p><b>20020317 Adrian Brock:</b>
17 * <ul>
18 * <li>Make queries thread safe
19 * </ul>
20 *
21 * @author <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
22 * @version $Revision: 1.2 $
23 */
24 /*package*/ class FinalSubStringQueryExp
25 extends QueryExpSupport
26 {
27 // Constants ---------------------------------------------------
28
29 // Attributes --------------------------------------------------
30
31 /**
32 * The attribute to test
33 */
34 AttributeValueExp attr;
35
36 /**
37 * The string to test
38 */
39 StringValueExp string;
40
41 // Static ------------------------------------------------------
42
43 // Constructors ------------------------------------------------
44
45 /**
46 * Construct a new Final Substring query expression
47 *
48 * @param attr the attribute to test
49 * @param string the string to test
50 */
51 public FinalSubStringQueryExp(AttributeValueExp attr, StringValueExp string)
52 {
53 this.attr = attr;
54 this.string = string;
55 }
56
57 // Public ------------------------------------------------------
58
59 // QueryExp implementation -------------------------------------
60
61 public boolean apply(ObjectName name)
62 throws BadStringOperationException,
63 BadBinaryOpValueExpException,
64 BadAttributeValueExpException,
65 InvalidApplicationException
66 {
67 ValueExp calcAttr = attr.apply(name);
68 ValueExp calcString = string.apply(name);
69 if (calcAttr instanceof StringValueExp)
70 {
71 return ((StringValueExp)calcAttr).toString().endsWith(
72 ((StringValueExp)calcString).toString());
73 }
74 // REVIEW: correct?
75 return false;
76 }
77
78 // Object overrides --------------------------------------------
79
80 public String toString()
81 {
82 return new String("(" + attr.toString() + " finalSubString " +
83 string.toString() + ")");
84 }
85
86 // Protected ---------------------------------------------------
87
88 // Private -----------------------------------------------------
89
90 // Inner classes -----------------------------------------------
91 }
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