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package com.c2kernel.lookup.ldap;
import java.util.ArrayList;
import java.util.Enumeration;
import com.c2kernel.common.ObjectCannotBeUpdated;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.property.Property;
import com.c2kernel.utils.Logger;
import com.novell.ldap.LDAPAttribute;
import com.novell.ldap.LDAPEntry;
/**************************************************************************
*
* $Revision: 1.3 $
* $Date: 2006/03/03 13:52:21 $
*
* Copyright (C) 2003 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
public class LDAPPropertyManager {
/**
*
*/
protected final LDAPLookup ldap;
protected final LDAPAuthManager auth;
public LDAPPropertyManager(LDAPLookup ldap, LDAPAuthManager auth) {
super();
this.ldap = ldap;
this.auth = auth;
}
/**
* @param thisItem - EntityPath of the subject entity
* @return
* @throws ObjectNotFoundException
*/
public boolean hasProperties(ItemPath thisItem) throws ObjectNotFoundException {
LDAPEntry entityEntry = LDAPLookupUtils.getEntry(auth.getAuthObject(), ldap.getFullDN(thisItem));
return entityEntry.getAttribute("cristalprop") != null;
}
/**
* @param thisItem - EntityPath of the subject entity
* @return array of Property
* @throws ObjectNotFoundException
*/
public String[] getPropertyNames(ItemPath thisItem) throws ObjectNotFoundException {
LDAPEntry entityEntry = LDAPLookupUtils.getEntry(auth.getAuthObject(), ldap.getFullDN(thisItem));
ArrayList<String> propbag = new ArrayList<String>();
LDAPAttribute props = entityEntry.getAttribute("cristalprop");
for (Enumeration<?> e = props.getStringValues(); e.hasMoreElements();) {
String thisProp = (String)e.nextElement();
String thisName = thisProp.substring(0, thisProp.indexOf(':'));
if (thisName.startsWith("!") && thisName.length()>1) thisName = thisName.substring(1);
propbag.add(thisName);
}
String[] retArr = new String[props.size()];
return propbag.toArray(retArr);
}
/**
* @param thisItem - EntityPath of the subject entity
* @param propName - the name of the property to retrieve
* @return The Property object
* @throws ObjectNotFoundException
*/
public Property getProperty(ItemPath thisItem, String name) throws ObjectNotFoundException {
LDAPEntry entityEntry = LDAPLookupUtils.getEntry(auth.getAuthObject(), ldap.getFullDN(thisItem));
return getProperty(entityEntry, name);
}
/**
* @param thisItem - EntityPath of the subject entity
* @param name - the property name to delete
* @throws ObjectNotFoundException
* @throws ObjectCannotBeUpdated
*/
public void deleteProperty(ItemPath thisItem, String name) throws ObjectNotFoundException, ObjectCannotBeUpdated {
LDAPEntry entityEntry = LDAPLookupUtils.getEntry(auth.getAuthObject(), ldap.getFullDN(thisItem));
Property prop = getProperty(entityEntry, name);
Logger.msg(6, "LDAPLookupUtils.deleteProperty("+name+") - Deleting property");
LDAPLookupUtils.removeAttributeValue(auth.getAuthObject(), entityEntry, "cristalprop", getPropertyAttrValue(prop));
}
private static String getPropertyAttrValue(Property prop) {
return (prop.isMutable()?"":"!")+prop.getName()+":"+prop.getValue();
}
/**
* @param thisItem - EntityPath of the subject entity
* @param prop - the property to store
* @throws ObjectNotFoundException
* @throws ObjectCannotBeUpdated
*/
public void setProperty(ItemPath thisItem, Property prop) throws ObjectNotFoundException, ObjectCannotBeUpdated {
LDAPEntry entityEntry = LDAPLookupUtils.getEntry(auth.getAuthObject(), ldap.getFullDN(thisItem));
try {
Property oldProp = getProperty(entityEntry, prop.getName());
Logger.msg(6, "LDAPLookupUtils.setProperty("+prop.getName()+") - Removing old value '"+oldProp.getValue()+"'");
LDAPLookupUtils.removeAttributeValue(auth.getAuthObject(), entityEntry, "cristalprop", getPropertyAttrValue(oldProp));
} catch (ObjectNotFoundException ex) {
Logger.msg(6, "LDAPLookupUtils.setProperty("+prop.getName()+") - creating new property.");
}
Logger.msg(6, "LDAPLookupUtils.setProperty("+prop.getName()+") - setting to '"+prop.getValue()+"'");
LDAPLookupUtils.addAttributeValue(auth.getAuthObject(), entityEntry, "cristalprop", getPropertyAttrValue(prop));
}
public static Property getProperty(LDAPEntry myEntry, String propName) throws ObjectNotFoundException {
// delete existing props
LDAPAttribute props = myEntry.getAttribute("cristalprop");
if (props == null)
throw new ObjectNotFoundException("Property "+propName+" does not exist");
String propPrefix = propName+":";
String roPropPrefix = "!"+propPrefix;
String val = null, name = null; boolean mutable = false;
for (Enumeration<?> e = props.getStringValues(); name==null && e.hasMoreElements();) {
String attrVal = (String)e.nextElement();
if (attrVal.toLowerCase().startsWith(propPrefix.toLowerCase())) {
name = attrVal.substring(0, propPrefix.length()-1);
val = attrVal.substring(propPrefix.length());
mutable = true; break;
}
if (attrVal.toLowerCase().startsWith(roPropPrefix.toLowerCase())) {
name = attrVal.substring(1, roPropPrefix.length()-1);
val = attrVal.substring(roPropPrefix.length());
mutable = false; break;
}
}
if (name == null)
throw new ObjectNotFoundException("Property "+propName+" does not exist");
Logger.msg(6, "Loaded "+(mutable?"":"Non-")+"Mutable Property: "+name+"="+val);
return new Property(name, val, mutable);
}
}
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