com.novell.ldap.events.edir.eventdata.GeneralDSEventData Maven / Gradle / Ivy
/* **************************************************************************
* $OpenLDAP$
*
* 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.events.edir.eventdata;
import com.novell.ldap.asn1.ASN1Integer;
import com.novell.ldap.asn1.ASN1Object;
import com.novell.ldap.asn1.ASN1OctetString;
import com.novell.ldap.asn1.ASN1Sequence;
import com.novell.ldap.asn1.ASN1Tagged;
import com.novell.ldap.asn1.LBERDecoder;
import com.novell.ldap.events.edir.EventResponseData;
import java.io.ByteArrayInputStream;
import java.io.IOException;
/**
* This class represents the data for General DS Events. The event data
* has the following encoding:-
*
*
* GeneralEventData ::=
* [APPLICATION 3]SEQUENCE {
* dsTime [1] INTEGER,
* milliseconds [2] INTEGER,
* verb [3] INTEGER,
* currentProcess [4] INTEGER,
* perpetratorDN [5] LDAPDN,
* integerValues [6] SEQUENCE OF INTEGER,
* stringValues [7]SEQUENCE OF LDAPSTRING
* }Note: The Tags for Integer and
* stringValues are complex.
*
*
*
* Note: Please refer the JLDAP SDK Documentation at
*
* http://developer.novell.com/ndk/jldap.htm for details of all
* the properties.
*
*/
public class GeneralDSEventData implements EventResponseData {
private static final int EVT_TAG_GEN_DSTIME = 1;
private static final int EVT_TAG_GEN_MILLISEC = 2;
private static final int EVT_TAG_GEN_VERB = 3;
private static final int EVT_TAG_GEN_CURRPROC = 4;
private static final int EVT_TAG_GEN_PERP = 5;
private static final int EVT_TAG_GEN_INTEGERS = 6;
private static final int EVT_TAG_GEN_STRINGS = 7;
private final int dsTime;
private final int milliseconds;
private final int verb;
private final int currentProcess;
private final String perpetratorDN;
private final int[] integerValues;
private final String[] stringValues;
/**
* Default Constructor
*
* @param dsobject ASN1Object containing the encoded data as String.
*
* @throws IOException When decoding of message fails.
*/
public GeneralDSEventData(final ASN1Object dsobject)
throws IOException {
super();
byte[] bytedata = ((ASN1OctetString) dsobject).byteValue();
ByteArrayInputStream in = new ByteArrayInputStream(bytedata);
LBERDecoder decode = new LBERDecoder();
int[] length = new int[1];
dsTime =
getTaggedintValue(
(ASN1Tagged) decode.decode(in, length),
EVT_TAG_GEN_DSTIME);
milliseconds =
getTaggedintValue(
(ASN1Tagged) decode.decode(in, length),
EVT_TAG_GEN_MILLISEC);
verb =
getTaggedintValue(
(ASN1Tagged) decode.decode(in, length),
EVT_TAG_GEN_VERB);
currentProcess =
getTaggedintValue(
(ASN1Tagged) decode.decode(in, length),
EVT_TAG_GEN_CURRPROC);
perpetratorDN =
getTaggedStringValue(
(ASN1Tagged) decode.decode(in, length),
EVT_TAG_GEN_PERP);
ASN1Tagged temptaggedvalue =
((ASN1Tagged) decode.decode(in, length));
if (temptaggedvalue.getIdentifier().getTag()
== EVT_TAG_GEN_INTEGERS) {
//Integer List.
ASN1Sequence inteseq =
getTaggedSequence(temptaggedvalue, EVT_TAG_GEN_INTEGERS);
ASN1Object[] intobject = inteseq.toArray();
integerValues = new int[intobject.length];
for (int i = 0; i < intobject.length; i++) {
integerValues[i] = ((ASN1Integer) intobject[i]).intValue();
}
//second decoding for Strings.
temptaggedvalue = ((ASN1Tagged) decode.decode(in, length));
} else {
integerValues = null;
}
if ((temptaggedvalue.getIdentifier().getTag()
== EVT_TAG_GEN_STRINGS)
&& (temptaggedvalue.getIdentifier().getConstructed())) {
//String values.
ASN1Sequence inteseq =
getTaggedSequence(temptaggedvalue, EVT_TAG_GEN_STRINGS);
ASN1Object[] stringobject = inteseq.toArray();
stringValues = new String[stringobject.length];
for (int i = 0; i < stringobject.length; i++) {
stringValues[i] =
((ASN1OctetString) stringobject[i]).stringValue();
}
} else {
stringValues = null;
}
}
/**
* Returns the Current Processor id , which generated this event.
*
* @return Current Processor id as integer.
*/
public int getCurrentProcess() {
return currentProcess;
}
/**
* Returns the DS Time for this event.
*
* @return DSTime for this event.
*/
public int getDsTime() {
return dsTime;
}
/**
* Returns the array of Integer values, returned as data. The function
* returns null, if no values are returned.
*
* @return array of int.
*/
public int[] getIntegerValues() {
return integerValues;
}
/**
* Returns the Time in Milliseconds.
*
* @return Time as integer.
*/
public int getMilliSeconds() {
return milliseconds;
}
/**
* Returns the Perpetrator DN for this Event.
*
* @return PerpetratorDN as String.
*/
public String getPerpetratorDN() {
return perpetratorDN;
}
/**
* Returns the array of String values, returned as data. The function
* returns null, if no values are returned.
*
* @return array of String.
*/
public String[] getStringValues() {
return stringValues;
}
/**
* Returns the Verb associated with this event.
*
* @return Verb as integer.
*/
public int getVerb() {
return verb;
}
/**
* Extracts an integer from an ASN1 Tagged Object.
*
* @param tagvalue ASN1Tagged Object containing an integer.
* @param tagid The tagid used for tagging this object.
*
* @return value as integer.
*
* @throws IOException when the decoding fails.
*/
private int getTaggedintValue(
final ASN1Tagged tagvalue,
final int tagid)
throws IOException {
ASN1Object obj = tagvalue.taggedValue();
if (tagid != tagvalue.getIdentifier().getTag()) {
throw new IOException("Unknown Tagged Data");
}
byte[] databytes = ((ASN1OctetString) obj).byteValue();
ByteArrayInputStream in = new ByteArrayInputStream(databytes);
LBERDecoder decode = new LBERDecoder();
int length = databytes.length;
return ((Long) decode.decodeNumeric(in, length)).intValue();
}
/**
* Extracts an String from an ASN1 Tagged Object.
*
* @param tagvalue ASN1Tagged Object containing an String.
* @param tagid The tagid used for tagging this object.
*
* @return value as integer.
*
* @throws IOException when the decoding fails.
*/
private String getTaggedStringValue(
final ASN1Tagged tagvalue,
final int tagid)
throws IOException {
ASN1Object obj = tagvalue.taggedValue();
if (tagid != tagvalue.getIdentifier().getTag()) {
throw new IOException("Unknown Tagged Data");
}
byte[] databytes = ((ASN1OctetString) obj).byteValue();
ByteArrayInputStream in = new ByteArrayInputStream(databytes);
LBERDecoder decode = new LBERDecoder();
int length = databytes.length;
return (String) decode.decodeCharacterString(in, length);
}
/**
* Extracts an ASN1Sequence from an ASN1 Tagged Object.
*
* @param tagvalue ASN1Tagged Object containing an ASN1Sequence.
* @param tagid The tagid used for tagging this object.
*
* @return value as ASN1Sequence.
*
* @throws IOException when the decoding fails.
*/
private ASN1Sequence getTaggedSequence(
final ASN1Tagged tagvalue,
final int tagid)
throws IOException {
ASN1Object obj = tagvalue.taggedValue();
if (tagid != tagvalue.getIdentifier().getTag()) {
throw new IOException("Unknown Tagged Data");
}
byte[] databytes = ((ASN1OctetString) obj).byteValue();
ByteArrayInputStream in = new ByteArrayInputStream(databytes);
LBERDecoder decode = new LBERDecoder();
int length = databytes.length;
return new ASN1Sequence(decode, in, length);
}
/**
* Returns a string representation of the object.
*
* @return a string representation of the object.
*
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append("[GeneralDSEventData");
buf.append("(DSTime =" + getDsTime() + ")");
buf.append("(MilliSeconds=" + getMilliSeconds() + ")");
buf.append("(verb =" + getVerb() + ")");
buf.append("(currentProcess " + getCurrentProcess() + ")");
buf.append("(PerpetartorDN =" + getPerpetratorDN() + ")");
buf.append("(Integer Values =" + getIntegerValues() + ")");
buf.append("(String Values =" + getStringValues() + ")");
buf.append("]");
return buf.toString();
}
}