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1
50 package org.apache.excalibur.configuration;
51
52 import java.util.Hashtable  ;
53
54 import javax.naming.Binding ;
55 import javax.naming.Context ;
56 import javax.naming.Name ;
57 import javax.naming.NameParser ;
58 import javax.naming.NamingEnumeration ;
59 import javax.naming.NamingException ;
60 import javax.naming.directory.Attribute ;
61 import javax.naming.directory.Attributes ;
62 import javax.naming.directory.DirContext ;
63 import javax.naming.directory.InitialDirContext ;
64
65 import org.apache.avalon.framework.configuration.Configuration;
66 import org.apache.avalon.framework.configuration.DefaultConfiguration;
67
68
74 public class NamingConfigurationBuilder
75 {
76 private final boolean m_enableNamespaces;
77
78
81 public NamingConfigurationBuilder()
82 {
83 this( false );
84 }
85
86
93 public NamingConfigurationBuilder( final boolean enableNamespaces )
94 {
95 m_enableNamespaces = enableNamespaces;
96 }
97
98
101 public Configuration build( final String uri ) throws NamingException
102 {
103 final Hashtable env = new Hashtable ();
104 env.put( Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory" );
105 env.put( Context.SECURITY_AUTHENTICATION, "none" );
106 env.put( Context.PROVIDER_URL, uri );
107
108 final DirContext context = new InitialDirContext ( env );
109
110 return build( context );
111 }
112
113
116 public Configuration build( final Context context ) throws NamingException
117 {
118 final DefaultConfiguration configuration;
119
120 final String absoluteName = context.getNameInNamespace();
121 final NameParser parser = context.getNameParser( absoluteName );
122 final Name parsedName = parser.parse( absoluteName );
123
124 String name = absoluteName;
125 String prefix = "";
126 final int position = parsedName.size();
128 if( position > 0 )
129 {
130 name = parsedName.get( position - 1 );
131 }
132
133 if( context instanceof DirContext )
134 {
135 final Attributes attrs = ( (DirContext )context ).getAttributes( "" );
137
138 final NamingEnumeration attributes = attrs.getAll();
139 while( attributes.hasMore() )
140 {
141 final Attribute attribute = (Attribute )attributes.next();
142 final String id = attribute.getID();
143 if( name.startsWith( id ) )
144 {
145 name = (String )attribute.get();
146 if( m_enableNamespaces ) prefix = id;
147 attrs.remove( id );
148 break;
149 }
150 }
151
152 configuration = new DefaultConfiguration( name, null, "", prefix );
153 copyAttributes( attrs, configuration );
154 }
155 else
156 configuration = new DefaultConfiguration( name, null, "", prefix );
157
158 final NamingEnumeration bindings = context.listBindings( "" );
159 while( bindings.hasMore() )
160 {
161 final Binding binding = (Binding )bindings.next();
162 final Object object = binding.getObject();
163
164 if( ( object instanceof Number ) ||
165 ( object instanceof String ) )
166 {
167 configuration.setValue( object.toString() );
168 }
169
170 if( object instanceof Context )
171 {
172 final Context child = (Context )object;
173 configuration.addChild( build( child ) );
174 }
175 }
176
177 return configuration;
178 }
179
180 private void copyAttributes( final Attributes attrs, final DefaultConfiguration configuration ) throws NamingException
181 {
182 final NamingEnumeration attributes = attrs.getAll();
183 while( attributes.hasMore() )
184 {
185 final Attribute attribute = (Attribute )attributes.next();
186 final String attrName = attribute.getID();
187 final Object attrValue = attribute.get();
188 configuration.setAttribute( attrName, attrValue.toString() );
189 }
190 }
191 }
192 |
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