com.novell.ldap.LDAPResponse Maven / Gradle / Ivy
/* **************************************************************************
* $OpenLDAP: pkg/jldap/com/novell/ldap/LDAPResponse.java,v 1.49 2006/08/17 08:33:34 npalani Exp $
*
* Copyright (C) 1999 - 2002 Novell, Inc. All Rights Reserved.
*
* THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND
* TREATIES. USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT
* TO VERSION 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS
* AVAILABLE AT HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE"
* IN THE TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION
* OF THIS WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP
* PUBLIC LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT
* THE PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
******************************************************************************/
package com.novell.ldap;
import java.io.IOException;
import java.net.MalformedURLException;
import com.novell.ldap.asn1.ASN1Enumerated;
import com.novell.ldap.asn1.ASN1OctetString;
import com.novell.ldap.asn1.ASN1Sequence;
import com.novell.ldap.client.Debug;
import com.novell.ldap.client.ReferralInfo;
import com.novell.ldap.rfc2251.RfcAddResponse;
import com.novell.ldap.rfc2251.RfcCompareResponse;
import com.novell.ldap.rfc2251.RfcControls;
import com.novell.ldap.rfc2251.RfcDelResponse;
import com.novell.ldap.rfc2251.RfcIntermediateResponse;
import com.novell.ldap.rfc2251.RfcLDAPDN;
import com.novell.ldap.rfc2251.RfcLDAPMessage;
import com.novell.ldap.rfc2251.RfcLDAPString;
import com.novell.ldap.rfc2251.RfcModifyDNResponse;
import com.novell.ldap.rfc2251.RfcModifyResponse;
import com.novell.ldap.rfc2251.RfcReferral;
import com.novell.ldap.rfc2251.RfcResponse;
import com.novell.ldap.rfc2251.RfcSearchResultDone;
/**
* A message received from an LDAPServer
* in response to an asynchronous request.
*
* Sample Code: Searchas.java
*
* @see LDAPConnection#search
*/
/*
* Note: Exceptions generated by the reader thread are returned
* to the application as an exception in an LDAPResponse. Thus
* if exception has a value, it is not a server response,
* but instad an exception returned to the application from the API.
*/
public class LDAPResponse extends LDAPMessage
{
private InterThreadException exception = null;
private ReferralInfo activeReferral;
/**
* This constructor was added to support default Serialization
*
*/
public LDAPResponse()
{
super();
}
/**
* Creates an LDAPResponse using an LDAPException.
* Used to wake up the user following an abandon.
* Note: The abandon doesn't have to be user initiated
* but may be the result of error conditions.
*
* Referral information is available if this connection created solely
* to follow a referral.
*
* @param ex The exception
*
* @param activeReferral The referral actually used to create the
* connection
*/
public LDAPResponse( InterThreadException ex,
ReferralInfo activeReferral)
{
exception = ex;
this.activeReferral = activeReferral;
if( Debug.LDAP_DEBUG) {
Debug.trace( Debug.messages,
"new LDAPResponse: referral " + (this.activeReferral != null) +
"\n\texception:" + ex.toString());
}
return;
}
/**
* Creates a response LDAPMessage when receiving an asynchronous
* response from a server.
*
* @param message The RfcLDAPMessage from a server.
*/
/*package*/
LDAPResponse( RfcLDAPMessage message)
{
super(message);
return;
}
/**
* Creates a SUCCESS response LDAPMessage. Typically the response
* comes from a source other than a BER encoded LDAP message,
* such as from DSML. Other values which are allowed in a response
* are set to their empty values.
*
* @param type The message type as defined in LDAPMessage.
*
* @see LDAPMessage
*/
public LDAPResponse( int type)
{
this(type, LDAPException.SUCCESS, null, null, null, null);
return;
}
/**
* Creates a response LDAPMessage from parameters. Typically the data
* comes from a source other than a BER encoded LDAP message,
* such as from DSML.
*
* @param type The message type as defined in LDAPMessage.
*
* @param resultCode The result code as defined in LDAPException.
*
* @param matchedDN The name of the lowest entry that was matched
* for some error result codes, an empty string
* or null if none.
*
* @param serverMessage A diagnostic message returned by the server,
* an empty string or null if none.
*
* @param referrals The referral URLs returned for a REFERRAL result
* code or null if none.
*
* @param controls Any controls returned by the server or
* null if none.
*
* @see LDAPMessage
* @see LDAPException
*/
public LDAPResponse( int type,
int resultCode,
String matchedDN,
String serverMessage,
String[] referrals,
LDAPControl[] controls)
{
super( new RfcLDAPMessage(
RfcResultFactory( type, resultCode, matchedDN,
serverMessage, referrals)) );
return;
}
/** Converts a LDAPControl array to an RfcControl Structure.
* @param controls array of LDAPControl
* @return RfcControls Structure representation of controls arrray.
*/
private static RfcControls RfcControlFactory(LDAPControl[] controls) {
RfcControls rfcs = new RfcControls();
if (controls != null) {
for (int i = 0; i < controls.length; i++) {
rfcs.add(controls[i].getASN1Object());
}
return rfcs;
} else
return null;
}
private static ASN1Sequence RfcResultFactory( int type,
int resultCode,
String matchedDN,
String serverMessage,
String[] referrals)
{
ASN1Sequence ret;
RfcReferral rfcreferal = null;
if (referrals != null)
{
try{
rfcreferal = new RfcReferral(referrals);
}catch(MalformedURLException e)
{
//Referals are malformed
e.printStackTrace();
}
}
if( matchedDN == null)
matchedDN = "";
if( serverMessage == null)
serverMessage = "";
switch( type) {
case SEARCH_RESULT:
ret =
new RfcSearchResultDone(
new ASN1Enumerated(resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case BIND_RESPONSE:
ret = null; // Not yet implemented
break;
case SEARCH_RESPONSE:
ret = null; // Not yet implemented, implemented as
// separate classes.
break;
case MODIFY_RESPONSE:
ret = new RfcModifyResponse( new ASN1Enumerated( resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case ADD_RESPONSE:
ret = new RfcAddResponse( new ASN1Enumerated( resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case DEL_RESPONSE:
ret = new RfcDelResponse( new ASN1Enumerated( resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case MODIFY_RDN_RESPONSE:
ret = new RfcModifyDNResponse( new ASN1Enumerated( resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case COMPARE_RESPONSE:
ret = new RfcCompareResponse( new ASN1Enumerated( resultCode),
new RfcLDAPDN( matchedDN),
new RfcLDAPString( serverMessage),
rfcreferal);
break;
case SEARCH_RESULT_REFERENCE:
ret = null; // Not yet implemented, implemented as
// LDAPSearchResultReference Object.
break;
case EXTENDED_RESPONSE:
ret = null; // Not yet implemented, implemented
//as LDAPExtendedResponse
break;
default:
throw new RuntimeException("Type " + type + " Not Supported");
}
return ret;
}
/**
* Returns any error message in the response.
*
* @return Any error message in the response.
*/
public String getErrorMessage()
{
if( exception != null) {
return exception.getLDAPErrorMessage();
}
return ((RfcResponse)message.getResponse()).getErrorMessage().stringValue();
}
/**
* Returns the partially matched DN field from the server response,
* if the response contains one.
*
* @return The partially matched DN field, if the response contains one.
*
*/
public String getMatchedDN()
{
if( exception != null) {
return exception.getMatchedDN();
}
return ((RfcResponse)message.getResponse()).getMatchedDN().stringValue();
}
/**
* Returns all referrals in a server response, if the response contains any.
*
* @return All the referrals in the server response.
*/
public String[] getReferrals()
{
String[] referrals = null;
RfcReferral ref = ((RfcResponse)message.getResponse()).getReferral();
if(ref == null) {
referrals = new String[0];
} else {
// convert RFC 2251 Referral to String[]
int size = ref.size();
referrals = new String[size];
for(int i=0; i For a list of result codes, see the LDAPException class.
*
* @return The result code.
*/
public int getResultCode()
{
if( exception != null) {
return exception.getResultCode();
}
if (((RfcResponse)message.getResponse()) instanceof RfcIntermediateResponse)
return 0;
return ((RfcResponse)message.getResponse()).getResultCode().intValue();
}
/**
* Checks the resultCode and throws the appropriate exception.
*
* @exception LDAPException A general exception which includes an error
* message and an LDAP error code.
*/
/* public */
public void chkResultCode() throws LDAPException
{
if( exception != null) {
throw exception;
} else {
if( Debug.LDAP_DEBUG) {
Debug.trace( Debug.messages, "LDAPResponse: message(" +
getMessageID() + ") result code " + getResultCode());
}
LDAPException ex = getResultException();
if( ex != null) {
throw ex;
}
return;
}
}
/**
* Checks the resultCode and generates the appropriate exception or
* null if success.
*/
/* package */
LDAPException getResultException()
{
LDAPException ex = null;
switch(getResultCode()) {
case LDAPException.SUCCESS:
case LDAPException.COMPARE_TRUE:
case LDAPException.COMPARE_FALSE:
break;
case LDAPException.REFERRAL:
// only get here if automatic referral handling is not enabled.
String[] refs = getReferrals();
if( Debug.LDAP_DEBUG ) {
Debug.trace( Debug.messages,
"LDAPResponse: Generating RfcReferral Exception");
for( int i = 0; i < refs.length; i++) {
Debug.trace( Debug.messages, "LDAPResponse: \t" + refs[i]);
}
}
ex = new LDAPReferralException(
"Automatic referral following not enabled",
LDAPException.REFERRAL, getErrorMessage());
((LDAPReferralException)ex).setReferrals( refs);
break;
default: // Everything else
ex = new LDAPException(
LDAPException.resultCodeToString( getResultCode()),
getResultCode(), getErrorMessage(), getMatchedDN());
break;
}
return ex;
}
/* Methods from LDAPMessage */
/**
* Returns any controls in the message.
*
* @see com.novell.ldap.LDAPMessage#getControls()
*/
public LDAPControl[] getControls() {
if( exception != null) {
return null;
}
return super.getControls();
}
/**
* Returns the message ID.
*
* @see com.novell.ldap.LDAPMessage#getMessageID()
*/
public int getMessageID() {
if( exception != null) {
return exception.getMessageID();
}
return super.getMessageID();
}
/**
* Returns the LDAP operation type of the message.
*
* @return The operation type of the message.
*
* @see com.novell.ldap.LDAPMessage#getType()
*/
public int getType()
{
if( exception != null) {
return exception.getReplyType();
}
return super.getType();
}
/**
* Indicates if this response is an embedded exception response
*
* @return true if contains an embedded LDAPexception
*/
/*package*/
boolean hasException()
{
return (exception != null);
}
/**
* Returns an embedded exception response
*
* @return an embedded exception if any
*/
/*package*/
LDAPException getException()
{
return exception;
}
/**
* Indicates the referral instance being followed if the
* connection created to follow referrals.
*
* @return the referral being followed
*/
/*package*/
ReferralInfo getActiveReferral()
{
return activeReferral;
}
protected void setDeserializedValues(LDAPMessage readObject, RfcControls asn1Ctrls)
throws IOException, ClassNotFoundException {
// Check if it is the correct message type
if(!(readObject instanceof LDAPResponse))
throw new ClassNotFoundException("Error occured while deserializing " +
"LDAPResponse object");
LDAPResponse tmp = (LDAPResponse)readObject;
int type = tmp.getType();
int resultCode = tmp.getResultCode();
String matchedDN = tmp.getMatchedDN();
String serverMessage = tmp.getErrorMessage();
String[] referrals = tmp.getReferrals();
tmp = null; //remove reference after getting properties
message = new RfcLDAPMessage(
LDAPResponse.RfcResultFactory( type, resultCode, matchedDN,
serverMessage, referrals));
// Garbage collect the readObject from readDSML()..
readObject = null;
}
}
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