From 5e1afa416ca3d38d6a9f4c77de8eec03fa11756f Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Tue, 9 Jan 2007 12:16:27 +0000
Subject: git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@25
 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

---
 .../egiz/ldap/client/LDAPClientFactoryImpl.java    | 82 ++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientFactoryImpl.java

(limited to 'src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientFactoryImpl.java')

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientFactoryImpl.java b/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientFactoryImpl.java
new file mode 100644
index 0000000..eb18802
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientFactoryImpl.java
@@ -0,0 +1,82 @@
+package at.knowcenter.wag.egov.egiz.ldap.client;
+
+import iaik.asn1.ObjectID;
+import iaik.asn1.structures.Name;
+import iaik.utils.RFC2253NameParser;
+import iaik.utils.RFC2253NameParserException;
+
+import java.util.Hashtable;
+
+import org.apache.log4j.Logger;
+
+/**
+ * @author <a href="mailto:thomas.knall@iaik.tugraz.at">Thomas Knall</a>
+ */
+public final class LDAPClientFactoryImpl extends LDAPClientFactory {
+
+	private final Logger log = Logger.getLogger(getClass());
+	
+	private Hashtable<String, LDAPClient> ldapClients;
+
+	protected LDAPClientFactoryImpl() {
+		this.ldapClients = new Hashtable<String, LDAPClient>();
+	}
+	
+	public static String rfc2253Name2Domain(Name name) {
+		Object[] values = name.getRDNValues(ObjectID.domainComponent);
+		if (values == null) {
+			return null;
+		}
+		StringBuffer buffer = new StringBuffer();
+		for (int i = values.length - 1; i >= 0; i--) {
+			buffer.append(values[i]);
+			if (i > 0) {
+				buffer.append(".");
+			}
+		}
+		return buffer.toString();
+	}
+	
+	public static String rfc2253Name2Domain(String nameString) throws RFC2253NameParserException {
+		RFC2253NameParser nameParser = new RFC2253NameParser(nameString);
+		return rfc2253Name2Domain(nameParser.parse());
+	}
+
+	private LDAPClient instantiateLDAPClient(String issuerName) throws LDAPException {
+		if (!super.hasBeenConfigured()) {
+			log.warn(super.getClass().getSimpleName() + " has not been configured yet.");
+		}
+		LDAPClient client = null;
+		LDAPMapping mapping = super.getMapping(issuerName);
+		if (mapping == null) {
+			try {
+				String alternativeURLString = rfc2253Name2Domain(issuerName);
+				if (alternativeURLString == null || alternativeURLString.length() == 0) {
+					throw new LDAPException("Neither issuer name \"" + issuerName + "\" has been registered nor domain components were provided.");
+				}
+				alternativeURLString = "ldap://" + alternativeURLString;
+				log.warn("Issuer name \"" + issuerName + "\" has not been registered; trying to instantiate client for url \"" + alternativeURLString + "\"...");
+				client = new LDAPClientImpl(alternativeURLString);
+			} catch (RFC2253NameParserException e) {
+				throw new LDAPException(e);
+			}
+		} else {
+			log.debug("Instantiating LDAP client for " + mapping + ".");
+			client = new LDAPClientImpl(mapping);
+		}
+		return client;
+	}
+	
+	public synchronized LDAPClient createClient(String issuerName) throws LDAPException {
+		if (issuerName == null || issuerName.length() == 0) {
+			throw new NullPointerException("Issuer name must not be null or empty.");
+		}
+		LDAPClient ldapClient = ldapClients.get(issuerName);
+		if (ldapClient == null) {
+			ldapClient = instantiateLDAPClient(issuerName);
+			ldapClients.put(issuerName, ldapClient);
+		}
+		return ldapClient;
+	}
+
+}
-- 
cgit v1.2.3