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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmscore.dbs;
import java.util.*;
import java.math.*;
import netscape.ldap.*;
import com.netscape.certsrv.base.*;
import com.netscape.certsrv.dbs.*;
/**
* A class represents ann attribute mapper that maps
* a Java BigInteger object into LDAP attribute,
* and vice versa.
*
* @author thomask
* @version $Revision$, $Date$
*/
public class BigIntegerMapper implements IDBAttrMapper {
private String mLdapName = null;
private Vector v = new Vector();
/**
* Constructs BigInteger mapper.
*/
public BigIntegerMapper(String ldapName) {
mLdapName = ldapName;
v.addElement(mLdapName);
}
/**
* Returns a list of supported ldap attribute names.
*/
public Enumeration getSupportedLDAPAttributeNames() {
return v.elements();
}
/**
* Maps object into ldap attribute set.
*/
public void mapObjectToLDAPAttributeSet(IDBObj parent,
String name, Object obj, LDAPAttributeSet attrs)
throws EBaseException {
attrs.add(new LDAPAttribute(mLdapName,
BigIntegerToDB((BigInteger) obj)));
}
/**
* Maps LDAP attributes into object, and put the object
* into 'parent'.
*/
public void mapLDAPAttributeSetToObject(LDAPAttributeSet attrs,
String name, IDBObj parent) throws EBaseException {
LDAPAttribute attr = attrs.getAttribute(mLdapName);
if (attr == null)
return;
parent.set(name, BigIntegerFromDB(
(String) attr.getStringValues().nextElement()));
}
/**
* Maps search filters into LDAP search filter.
*/
public String mapSearchFilter(String name, String op,
String value) throws EBaseException {
String v = null;
try {
if (value.startsWith("0x") || value.startsWith("0X")) {
v = BigIntegerToDB(new
BigInteger(value.substring(2), 16));
} else {
v = BigIntegerToDB(new BigInteger(value));
}
} catch (NumberFormatException e) {
v = value;
}
return mLdapName + op + v;
}
public static String BigIntegerToDB(BigInteger i) {
int len = i.toString().length();
String ret = null;
if (len < 10) {
ret = "0" + Integer.toString(len) + i.toString();
} else {
ret = Integer.toString(len) + i.toString();
}
return ret;
}
public static BigInteger BigIntegerFromDB(String i) {
String s = i.substring(2);
// possibly check length
return new BigInteger(s);
}
}
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