1 package org.apache.maven.plugin;
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22 import org.apache.maven.model.Plugin;
23 import org.apache.maven.plugin.descriptor.PluginDescriptor;
24 import org.codehaus.plexus.component.discovery.ComponentDiscoveryEvent;
25 import org.codehaus.plexus.component.discovery.ComponentDiscoveryListener;
26 import org.codehaus.plexus.component.repository.ComponentSetDescriptor;
27 import org.codehaus.plexus.logging.AbstractLogEnabled;
28
29 import java.util.HashMap;
30 import java.util.HashSet;
31 import java.util.Iterator;
32 import java.util.Map;
33 import java.util.Set;
34
35 public class MavenPluginCollector
36 extends AbstractLogEnabled
37 implements ComponentDiscoveryListener
38 {
39
40 private Set pluginsInProcess = new HashSet();
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42 private Map pluginDescriptors = new HashMap();
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44 private Map pluginIdsByPrefix = new HashMap();
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49 public void componentDiscovered( ComponentDiscoveryEvent event )
50 {
51 ComponentSetDescriptor componentSetDescriptor = event.getComponentSetDescriptor();
52
53 if ( componentSetDescriptor instanceof PluginDescriptor )
54 {
55 PluginDescriptor pluginDescriptor = (PluginDescriptor) componentSetDescriptor;
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58 String key = Plugin.constructKey( pluginDescriptor.getGroupId(), pluginDescriptor.getArtifactId() );
59
60 if ( !pluginsInProcess.contains( key ) )
61 {
62 pluginsInProcess.add( key );
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64 pluginDescriptors.put( key, pluginDescriptor );
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68 if ( !pluginIdsByPrefix.containsKey( pluginDescriptor.getGoalPrefix() ) )
69 {
70 pluginIdsByPrefix.put( pluginDescriptor.getGoalPrefix(), pluginDescriptor );
71 }
72 }
73 }
74 }
75
76 public PluginDescriptor getPluginDescriptor( Plugin plugin )
77 {
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81 return (PluginDescriptor) pluginDescriptors.get( plugin.getKey() );
82 }
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84 public boolean isPluginInstalled( Plugin plugin )
85 {
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87 return pluginDescriptors.containsKey( plugin.getKey() );
88 }
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90 public PluginDescriptor getPluginDescriptorForPrefix( String prefix )
91 {
92 return (PluginDescriptor) pluginIdsByPrefix.get( prefix );
93 }
94
95 public void flushPluginDescriptor( Plugin plugin )
96 {
97 pluginsInProcess.remove( plugin.getKey() );
98 pluginDescriptors.remove( plugin.getKey() );
99
100 for ( Iterator it = pluginIdsByPrefix.entrySet().iterator(); it.hasNext(); )
101 {
102 Map.Entry entry = (Map.Entry) it.next();
103
104 if ( plugin.getKey().equals( entry.getValue() ) )
105 {
106 it.remove();
107 }
108 }
109 }
110
111 }