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diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPMapping.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPMapping.java
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+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPMapping.java
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+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.ldap.client;
+
+import iaik.asn1.structures.Name;
+import iaik.utils.RFC2253NameParser;
+import iaik.utils.RFC2253NameParserException;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Properties;
+
+import org.apache.log4j.Logger;
+
+/**
+ * @author <a href="mailto:thomas.knall@iaik.tugraz.at">Thomas Knall</a>
+ */
+public class LDAPMapping {
+	
+	// constants
+	public static final String PROPERTIES_KEY_ISSUER_NAME      = "issuer.name";
+	public static final String PROPERTIES_KEY_LDAP_URL         = "ldap.url";
+	public static final String PROPERTIES_KEY_SERIAL_ATTR_NAME = "serialnumber.attrname";
+	
+	private final Logger log = Logger.getLogger(getClass());
+	private static final iaik.x509.net.ldap.Handler LDAP_HANDLER;
+	
+	// fields
+	private Name issuerName;
+	private URL ldapURL;
+	private String serialNumberAttrName;
+	
+	// static initialization
+	static {
+		LDAP_HANDLER = new iaik.x509.net.ldap.Handler();
+	}
+
+	// constructors
+	protected LDAPMapping() {
+		this.setSerialNumberAttrName(LDAPClientImpl.DEFAULT_LDAP_ATTR_SERIAL_NUMBER);
+	}
+	
+	public LDAPMapping(Name issuerName, URL ldapURL) {
+		this(issuerName, ldapURL, null);
+	}
+	
+	public LDAPMapping(Name issuerName, URL ldapURL, String serialNumberAttrName) {
+		this();
+		this.setIssuerName(issuerName);
+		this.setLdapURL(ldapURL);
+		this.setSerialNumberAttrName(serialNumberAttrName);
+	}
+	
+	public LDAPMapping(String issuerNameString, String ldapURLString) throws LDAPException {
+		this(issuerNameString, ldapURLString, null);
+	}
+	
+	public LDAPMapping(String issuerNameString, String ldapURLString, String serialNumberAttrName) throws LDAPException {
+		this();
+		this.setIssuerName(issuerNameString);
+		this.setLdapURL(ldapURLString);
+		this.setSerialNumberAttrName(serialNumberAttrName);
+	}
+	
+	public LDAPMapping(Properties properties) throws LDAPException {
+		this();
+		if (properties == null) {
+			throw new NullPointerException("Properties must not be null.");
+		}
+		String in = properties.getProperty(PROPERTIES_KEY_ISSUER_NAME);
+		String sn = properties.getProperty(PROPERTIES_KEY_LDAP_URL);
+		String snan = properties.getProperty(PROPERTIES_KEY_SERIAL_ATTR_NAME);
+		if (in == null || in.length() == 0) {
+			throw new LDAPException("Property \"" + PROPERTIES_KEY_ISSUER_NAME + "\" must not be null or empty.");
+		}
+		if (sn == null || sn.length() == 0) {
+			throw new LDAPException("Property \"" + PROPERTIES_KEY_LDAP_URL + "\" must not be null or empty.");
+		}
+		this.setIssuerName(in);
+		this.setLdapURL(sn);
+		this.setSerialNumberAttrName(snan);
+	}
+	
+	// getter/setter
+	public Name getIssuerName() {
+		return this.issuerName;
+	}
+
+	public String getIssuerNameAsString() {
+		return this.issuerName.getName();
+	}
+
+	public void setIssuerName(Name issuerName) {
+		if (issuerName == null) {
+			throw new NullPointerException("Issuer name must not be null.");
+		}
+		this.issuerName = issuerName;
+	}
+
+	public void setIssuerName(String issuerNameString) throws LDAPException {
+		RFC2253NameParser parser = new RFC2253NameParser(issuerNameString.trim());
+		try {
+			this.setIssuerName(parser.parse());
+		} catch (RFC2253NameParserException e) {
+			throw new LDAPException(e);
+		}
+	}
+
+	public URL getLdapURL() {
+		return this.ldapURL;
+	}
+
+	public void setLdapURL(URL ldapURL) {
+		if (ldapURL == null) {
+			throw new NullPointerException("LDAP url must not be null.");
+		}
+		this.ldapURL = ldapURL;
+	}
+
+	public void setLdapURL(String ldapURLString) throws LDAPException {
+		try {
+			this.setLdapURL(new URL(null, ldapURLString.trim(), LDAP_HANDLER));
+		} catch (MalformedURLException e) {
+			throw new LDAPException(e);
+		}
+	}
+
+	public String getSerialNumberAttrName() {
+		return this.serialNumberAttrName;
+	}
+
+	public void setSerialNumberAttrName(String serialNumberAttrName) {
+		if (serialNumberAttrName != null && serialNumberAttrName.length() == 0) {
+			throw new IllegalArgumentException("Serial number attribute name must not be empty");
+		}
+		this.serialNumberAttrName = serialNumberAttrName != null ? serialNumberAttrName.trim() : LDAPClientImpl.DEFAULT_LDAP_ATTR_SERIAL_NUMBER;
+	}
+
+	// misc
+	public void validateData() throws LDAPException {
+		if (this.issuerName == null) {
+			throw new LDAPException("Issuer name must not be null.");
+		}
+		if (this.ldapURL == null) {
+			throw new LDAPException("LDAP url must not be null.");
+		}
+		if (serialNumberAttrName == null || serialNumberAttrName.length() == 0) {
+			throw new LDAPException("Serial number attribute name must not be null or empty");
+		}
+	}
+
+	public String toString() {
+		StringBuffer buffer = new StringBuffer();
+		buffer.append("issuerName = ").append(this.issuerName != null ? this.issuerName.getName() : null);
+		buffer.append(", ldapURL = ").append(this.ldapURL);
+		buffer.append(", serialNumberAttrName = ").append(this.serialNumberAttrName);
+		return buffer.toString();
+	}
+
+}