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17 package org.apache.geronimo.kernel.repository;
18
19 import java.util.ArrayList  ;
20 import java.util.Collection ;
21 import java.util.HashMap ;
22 import java.util.Iterator ;
23 import java.util.List ;
24 import java.util.Map ;
25 import java.util.Set ;
26 import java.util.SortedSet ;
27 import java.util.TreeSet ;
28
29 import org.apache.geronimo.gbean.GBeanInfo;
30 import org.apache.geronimo.gbean.GBeanInfoBuilder;
31
32
35 public class DefaultArtifactManager implements ArtifactManager {
36 private final Map artifactsByLoader = new HashMap ();
37 private final Map artifactsByArtifact = new HashMap ();
38
39 public void loadArtifacts(Artifact loader, Set artifacts) {
40 if (!loader.isResolved()) throw new IllegalArgumentException ("loader is not a resolved artifact: " + loader);
41 for (Iterator iterator = artifacts.iterator(); iterator.hasNext();) {
42 Artifact artifact = (Artifact) iterator.next();
43 if (!artifact.isResolved()) {
44 throw new IllegalArgumentException ("artifact is not a resolved artifact: " + artifact);
45 }
46 }
47
48 synchronized (this) {
49 if (artifactsByLoader.containsKey(loader)) throw new IllegalArgumentException ("loader has already declared artifacts: "+ loader);
50 artifactsByLoader.put(loader, artifacts);
51 processArtifact(loader);
52
53 for (Iterator iterator = artifacts.iterator(); iterator.hasNext();) {
54 Artifact artifact = (Artifact) iterator.next();
55 processArtifact(artifact);
56 }
57 }
58 }
59
60 private void processArtifact(Artifact artifact) {
61 List values = (List ) artifactsByArtifact.get(artifact.getArtifactId());
62 if (values == null) {
63 values = new ArrayList ();
64 artifactsByArtifact.put(artifact.getArtifactId(), values);
65 }
66 values.add(artifact);
67 }
68
69 public synchronized void unloadAllArtifacts(Artifact loader) {
70 removeArtifact(loader);
71
72 Collection artifacts = (Collection ) artifactsByLoader.remove(loader);
73 if (artifacts == null) {
74 return;
75 }
76
77 for (Iterator iterator = artifacts.iterator(); iterator.hasNext();) {
78 Artifact artifact = (Artifact) iterator.next();
79 removeArtifact(artifact);
80 }
81 }
82
83 private void removeArtifact(Artifact artifact) {
84 List values = (List ) artifactsByArtifact.get(artifact.getArtifactId());
85 if (values != null) {
86 values.remove(artifact);
87 if (values.isEmpty()) {
88 artifactsByArtifact.remove(artifact.getArtifactId());
89 }
90 }
91 }
92
93 public SortedSet getLoadedArtifacts(Artifact query) {
94 List values = (List ) artifactsByArtifact.get(query.getArtifactId());
95 SortedSet results = new TreeSet ();
96 if (values != null) {
97 for (int i = 0; i < values.size(); i++) {
98 Artifact test = (Artifact) values.get(i);
99 if(query.matches(test)) {
100 results.add(test);
101 }
102 }
103 }
104 return results;
105 }
106
107 public static final GBeanInfo GBEAN_INFO;
108
109 static {
110 GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(DefaultArtifactManager.class, "ArtifactManager");
111 infoFactory.addInterface(ArtifactManager.class);
112 GBEAN_INFO = infoFactory.getBeanInfo();
113 }
114
115 public static GBeanInfo getGBeanInfo() {
116 return GBEAN_INFO;
117 }
118 }
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