X-Git-Url: https://git.argeo.org/?p=lgpl%2Fargeo-commons.git;a=blobdiff_plain;f=org.argeo.api.acr%2Fsrc%2Forg%2Fargeo%2Fapi%2Facr%2Fldap%2FLdapNameUtils.java;fp=org.argeo.api.acr%2Fsrc%2Forg%2Fargeo%2Fapi%2Facr%2Fldap%2FLdapNameUtils.java;h=72fa65ab04869987fa746c8beef760cbc480f354;hp=0000000000000000000000000000000000000000;hb=40f2d6712d120dd62a42b7db3a6f074ce49c83d4;hpb=c7b612ca9bd7df43b0bec37c8abcae846587c978

diff --git a/org.argeo.api.acr/src/org/argeo/api/acr/ldap/LdapNameUtils.java b/org.argeo.api.acr/src/org/argeo/api/acr/ldap/LdapNameUtils.java
new file mode 100644
index 000000000..72fa65ab0
--- /dev/null
+++ b/org.argeo.api.acr/src/org/argeo/api/acr/ldap/LdapNameUtils.java
@@ -0,0 +1,69 @@
+package org.argeo.api.acr.ldap;
+
+import javax.naming.InvalidNameException;
+import javax.naming.ldap.LdapName;
+import javax.naming.ldap.Rdn;
+
+/** Utilities to simplify using {@link LdapName}. */
+public class LdapNameUtils {
+
+	public static LdapName relativeName(LdapName prefix, LdapName dn) {
+		try {
+			if (!dn.startsWith(prefix))
+				throw new IllegalArgumentException("Prefix " + prefix + " not consistent with " + dn);
+			LdapName res = (LdapName) dn.clone();
+			for (int i = 0; i < prefix.size(); i++) {
+				res.remove(0);
+			}
+			return res;
+		} catch (InvalidNameException e) {
+			throw new IllegalStateException("Cannot find realtive name", e);
+		}
+	}
+
+	public static LdapName getParent(LdapName dn) {
+		try {
+			LdapName parent = (LdapName) dn.clone();
+			parent.remove(parent.size() - 1);
+			return parent;
+		} catch (InvalidNameException e) {
+			throw new IllegalArgumentException("Cannot get parent of " + dn, e);
+		}
+	}
+
+	public static Rdn getParentRdn(LdapName dn) {
+		if (dn.size() < 2)
+			throw new IllegalArgumentException(dn + " has no parent");
+		Rdn parentRdn = dn.getRdn(dn.size() - 2);
+		return parentRdn;
+	}
+
+	public static LdapName toLdapName(String distinguishedName) {
+		try {
+			return new LdapName(distinguishedName);
+		} catch (InvalidNameException e) {
+			throw new IllegalArgumentException("Cannot parse " + distinguishedName + " as LDAP name", e);
+		}
+	}
+
+	public static Rdn getLastRdn(LdapName dn) {
+		return dn.getRdn(dn.size() - 1);
+	}
+
+	public static String getLastRdnAsString(LdapName dn) {
+		return getLastRdn(dn).toString();
+	}
+
+	public static String getLastRdnValue(String dn) {
+		return getLastRdnValue(toLdapName(dn));
+	}
+
+	public static String getLastRdnValue(LdapName dn) {
+		return getLastRdn(dn).getValue().toString();
+	}
+
+	/** singleton */
+	private LdapNameUtils() {
+
+	}
+}