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1
17
18 package org.apache.geronimo.gbean;
19
20 import java.io.Serializable  ;
21 import java.util.Collections ;
22 import java.util.Iterator ;
23 import java.util.LinkedHashSet ;
24 import java.util.Set ;
25
26
29 public class ReferencePatterns implements Serializable {
30 private static final long serialVersionUID = 1888371271299507818L;
31
32 private final Set patterns;
33 private final AbstractName abstractName;
34
35 public ReferencePatterns(Set patterns) {
36 this.patterns = new LinkedHashSet ();
37 for (Iterator iterator = patterns.iterator(); iterator.hasNext();) {
38 Object pattern = iterator.next();
39 if (pattern instanceof AbstractName) {
40 AbstractName name = (AbstractName) pattern;
41 this.patterns.add(new AbstractNameQuery(name));
42 } else if (pattern instanceof AbstractNameQuery) {
43 AbstractNameQuery nameQuery = (AbstractNameQuery) pattern;
44 this.patterns.add(nameQuery);
45 } else {
46 throw new IllegalArgumentException ("Unknown pattern type: " + pattern);
47 }
48 }
49 this.abstractName = null;
50 }
51
52 public ReferencePatterns(AbstractNameQuery abstractNameQuery) {
53 this.patterns = Collections.singleton(abstractNameQuery);
54 this.abstractName = null;
55 }
56
57 public ReferencePatterns(AbstractName abstractName) {
58 if (abstractName == null) {
59 throw new IllegalArgumentException ("parameter abstractName is null");
60 }
61 this.abstractName = abstractName;
62 this.patterns = null;
63 }
64
65 public Set getPatterns() {
66 if (patterns == null) {
67 throw new IllegalStateException ("This is resolved to: " + abstractName);
68 }
69 return patterns;
70 }
71
72 public AbstractName getAbstractName() {
73 if (abstractName == null) {
74 throw new IllegalStateException ("This is not resolved with patterns: " + patterns);
75 }
76 return abstractName;
77 }
78
79 public boolean isResolved() {
80 return abstractName != null;
81 }
82
83 public String toString() {
84 if (abstractName != null) {
85 return abstractName.toString();
86 } else {
87 return patterns.toString();
88 }
89 }
90
91 public boolean equals(Object other) {
92 if (other instanceof ReferencePatterns) {
93 ReferencePatterns otherRefPat = (ReferencePatterns) other;
94 if (abstractName != null) {
95 return abstractName.equals(otherRefPat.abstractName);
96 }
97 return patterns.equals(otherRefPat.patterns);
98 }
99 return false;
100 }
101
102 public int hashCode() {
103 if (abstractName != null) {
104 return abstractName.hashCode();
105 }
106 return patterns.hashCode();
107 }
108 }
109
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