1 files changed, 143 insertions, 0 deletions
diff --git a/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/create/InitialContextCreatorHelper.java b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/create/InitialContextCreatorHelper.java
new file mode 100644
index 0000000000..0be0975082
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+++ b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/create/InitialContextCreatorHelper.java
@@ -0,0 +1,143 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
+package org.apache.tuscany.das.ldap.create;
+
+import javax.naming.NamingException;
+import javax.naming.directory.Attributes;
+import javax.naming.ldap.LdapContext;
+
+import org.apache.tuscany.das.ldap.schema.constants.AttributeTypeConstants;
+import org.apache.tuscany.das.ldap.schema.constants.ObjectClassConstants;
+import org.apache.tuscany.das.ldap.schema.constants.SchemaObjectClassConstants;
+
+/**
+ * The Class InitialContextCreatorHelper.
+ */
+public class InitialContextCreatorHelper
+implements
+ObjectClassConstants,
+SchemaObjectClassConstants, 
+AttributeTypeConstants
+{
+
+    /**
+     * Creates the sub context if it does not already exist.
+     * 
+     * @param ldapContext the ldap context
+     * @param subContextRDN the sub context
+     * @param attributes the attributes
+     * 
+     * @return the ldap context
+     * 
+     * @throws NamingException the naming exception
+     */
+    public static LdapContext createSubContext(
+        LdapContext ldapContext, 
+        String subContextRDN,
+        Attributes attributes) 
+    throws NamingException
+    {
+        try
+        {
+            ldapContext = 
+                ( LdapContext ) 
+                ldapContext.
+                lookup( subContextRDN );
+        }
+        catch ( NamingException e )
+        {
+            if (attributes == null)
+            {
+                ldapContext = 
+                    ( LdapContext )
+                    ldapContext.
+                    createSubcontext( subContextRDN );                
+            }
+            else
+            {
+                ldapContext = 
+                    ( LdapContext ) 
+                    ldapContext.
+                    createSubcontext( 
+                        subContextRDN, 
+                        attributes );
+            }
+        }
+        return ldapContext;
+    }
+
+    /**
+     * Creates the authority context.  Authority 
+     * means the Authority component of a URL.  
+     * For example if the authority is "example.com",
+     * then the authority context will be "cn=example, cn=com".
+     * 
+     * @param ldapContext the ldap context
+     * @param authorityTokens the authority tokens
+     * 
+     * @return the ldap context
+     * 
+     * @throws NamingException the naming exception
+     * 
+     */
+    public static LdapContext createAuthorityContext(
+    		LdapContext ldapContext, 
+        String[] authorityTokens) 
+    throws NamingException
+    {
+        for (int i = authorityTokens.length-1; i >= (0); i--)
+        {
+            String subContext = CN+ "=" + authorityTokens[i];
+            ldapContext = (LdapContext) createSubContext( 
+            		ldapContext, 
+            		subContext, null );
+        }
+        return ldapContext;
+    }
+    
+    /**
+     * Creates the path context.
+     * Path means the path component of a URL.  
+     * For example if the authority is "example.com/users/accounts",
+     * then the path context will be "cn=accounts, cn=users".  The full
+     * model namespaced context will be "cn=accounts, cn=users, cn=example, cn=com"
+     * 
+     * @param authorityContext the ldap context
+     * @param pathTokens the path tokens
+     * 
+     * @return the ldap context
+     * 
+     * @throws NamingException the naming exception
+     */
+    public static LdapContext createPathContext(
+        LdapContext authorityContext, 
+        String[] pathTokens) 
+    throws NamingException
+    {
+        for (int i = 1; i < (pathTokens.length); i++)
+        {
+            String subContext = CN + "=" + pathTokens[i];
+            authorityContext = (LdapContext) createSubContext( 
+            		authorityContext, 
+            		subContext, null );
+        }
+        return authorityContext;
+    }
+}