1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 package org.apache.ldap.server.schema.bootstrap;
18
19
20 import java.util.HashMap;
21 import java.util.Iterator;
22 import java.util.Map;
23
24 import javax.naming.NamingException;
25
26 import org.apache.ldap.common.schema.AttributeType;
27 import org.apache.ldap.server.schema.AttributeTypeRegistry;
28 import org.apache.ldap.server.schema.AttributeTypeRegistryMonitor;
29 import org.apache.ldap.server.schema.AttributeTypeRegistryMonitorAdapter;
30 import org.apache.ldap.server.schema.OidRegistry;
31
32
33 /***
34 * A plain old java object implementation of an AttributeTypeRegistry.
35 *
36 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
37 * @version $Rev: 264732 $
38 */
39 public class BootstrapAttributeTypeRegistry implements AttributeTypeRegistry
40 {
41 /*** maps an OID to an AttributeType */
42 private final Map byOid;
43 /*** maps an OID to a schema name*/
44 private final Map oidToSchema;
45 /*** the registry used to resolve names to OIDs */
46 private final OidRegistry oidRegistry;
47 /*** monitor notified via callback events */
48 private AttributeTypeRegistryMonitor monitor;
49
50
51
52
53
54
55
56 /***
57 * Creates an empty BootstrapAttributeTypeRegistry.
58 */
59 public BootstrapAttributeTypeRegistry( OidRegistry oidRegistry )
60 {
61 this.byOid = new HashMap();
62 this.oidToSchema = new HashMap();
63 this.oidRegistry = oidRegistry;
64 this.monitor = new AttributeTypeRegistryMonitorAdapter();
65 }
66
67
68 /***
69 * Sets the monitor that is to be notified via callback events.
70 *
71 * @param monitor the new monitor to notify of notable events
72 */
73 public void setMonitor( AttributeTypeRegistryMonitor monitor )
74 {
75 this.monitor = monitor;
76 }
77
78
79
80
81
82
83
84 public void register( String schema, AttributeType attributeType ) throws NamingException
85 {
86 if ( byOid.containsKey( attributeType.getOid() ) )
87 {
88 NamingException e = new NamingException( "attributeType w/ OID " +
89 attributeType.getOid() + " has already been registered!" );
90 monitor.registerFailed( attributeType, e );
91 throw e;
92 }
93
94 String[] names = attributeType.getNames();
95 for ( int ii = 0; ii < names.length; ii++ )
96 {
97 oidRegistry.register( names[ii], attributeType.getOid() );
98 }
99
100 oidToSchema.put( attributeType.getOid(), schema );
101 byOid.put( attributeType.getOid(), attributeType );
102 monitor.registered( attributeType );
103 }
104
105
106 public AttributeType lookup( String id ) throws NamingException
107 {
108 id = oidRegistry.getOid( id );
109
110 if ( ! byOid.containsKey( id ) )
111 {
112 NamingException e = new NamingException( "attributeType w/ OID "
113 + id + " not registered!" );
114 monitor.lookupFailed( id, e );
115 throw e;
116 }
117
118 AttributeType attributeType = ( AttributeType ) byOid.get( id );
119 monitor.lookedUp( attributeType );
120 return attributeType;
121 }
122
123
124 public boolean hasAttributeType( String id )
125 {
126 if ( oidRegistry.hasOid( id ) )
127 {
128 try
129 {
130 return byOid.containsKey( oidRegistry.getOid( id ) );
131 }
132 catch ( NamingException e )
133 {
134 return false;
135 }
136 }
137
138 return false;
139 }
140
141
142 public String getSchemaName( String id ) throws NamingException
143 {
144 id = oidRegistry.getOid( id );
145 if ( oidToSchema.containsKey( id ) )
146 {
147 return ( String ) oidToSchema.get( id );
148 }
149
150 throw new NamingException( "OID " + id + " not found in oid to " +
151 "schema name map!" );
152 }
153
154
155 public Iterator list()
156 {
157 return byOid.values().iterator();
158 }
159 }