/* Generated By:JavaCC: Do not edit this line. LdapFilter.java */
package org.ant4eclipse.lib.core.ldapfilter;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Iterator;
import java.util.regex.Pattern;
/**
* <p>
* Implements a filter for LDAP strings. Usage:
* <code>new LdapFilter(map, System.in).validate()</code >
* </p>
*
* @author Gerd Wütherich (gerd@gerd-wuetherich.de)
*/
public class LdapFilter implements LdapFilterConstants {
/** the (scoped) properties **/
private Map _properties = new HashMap();
/**
* <p>
* Creates a new instance of type {@link LdapFilter}.
* </p>
*
* @param properties the (scoped) properties
* @param stream the input stream
*/
public LdapFilter(Map properties, java.io.InputStream stream)
{
this (stream);
// assert properies != null
if (properties == null)
{
throw new RuntimeException();
}
// set properties
_properties = properties;
}
public LdapFilter(Map properties, java.io.Reader stream)
{
this (stream);
// assert properies != null
if (properties == null)
{
throw new RuntimeException();
}
// set properties
_properties = properties;
}
private boolean equals(String attributeKey, String value)
{
if (!_properties.containsKey(attributeKey))
{
return false;
}
if (isPresentValue(value))
{
return true;
}
String scopedProperty = (String) _properties.get(attributeKey);
String regExpValue = value.replaceAll("\u005c\u005c*", ".*");
boolean result = Pattern.matches(regExpValue, scopedProperty);
return result;
}
private boolean approx(String attributeKey, String value) throws ParseException
{
denyWildcardValue(value);
return equals(attributeKey, value);
}
private boolean greater(String attributeKey, String value) throws ParseException
{
denyWildcardValue(value);
return true;
}
private boolean less(String attributeKey, String value) throws ParseException
{
denyWildcardValue(value);
return true;
}
private void denyWildcardValue(String value) throws ParseException
{
if (value.indexOf('*') != - 1)
{
throw new ParseException("Invalid filter definition.");
}
}
private boolean isPresentValue(String value)
{
if ("*".equals(value))
{
return true;
}
return false;
}
public static void main(String args []) throws ParseException
{
Map map = new HashMap();
map.put("papa", "gerd");
map.put("tochter1", "liena");
map.put("tochter2", "annie");
new LdapFilter(map, System.in).validate();
}
final public boolean validate() throws ParseException {
boolean value;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case BRACKET_OPEN:
value = filter();
break;
case AND:
case AND_ORG:
case OR:
case OR_ORG:
case NOT:
case NOT_ORG:
case STRING:
value = filtercomp();
break;
default:
jj_la1[0] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
jj_consume_token(0);
{if (true) return value;}
throw new Error("Missing return statement in function");
}
/**
* filter = "(" filtercomp ")"
*/
final public boolean filter() throws ParseException {
boolean value;
jj_consume_token(BRACKET_OPEN);
value = filtercomp();
jj_consume_token(BRACKET_CLOSE);
{if (true) return value;}
throw new Error("Missing return statement in function");
}
/**
* filtercomp = and / or / not / attributeValueComparison
*/
final public boolean filtercomp() throws ParseException {
boolean value;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case AND:
case AND_ORG:
value = and();
break;
case OR:
case OR_ORG:
value = or();
break;
case NOT:
case NOT_ORG:
value = not();
break;
case STRING:
value = attributeValueComparison();
break;
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if (true) return value;}
throw new Error("Missing return statement in function");
}
/**
* simple = attr filtertype value
* filtertype = equal / approx / greater / less
* equal = "="
* approx = "~="
* greater = ">="
* less = "<="
*/
final public boolean attributeValueComparison() throws ParseException {
Token attribute = null;
Token value = null;
Token operator = null;
attribute = jj_consume_token(STRING);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case EQUAL:
operator = jj_consume_token(EQUAL);
break;
case APPROX:
operator = jj_consume_token(APPROX);
break;
case GREATER:
operator = jj_consume_token(GREATER);
break;
case LESS:
operator = jj_consume_token(LESS);
break;
default:
jj_la1[2] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case STRING:
value = jj_consume_token(STRING);
break;
case WILDCARD_STRING:
value = jj_consume_token(WILDCARD_STRING);
break;
default:
jj_la1[3] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch (operator.kind)
{
case LdapFilterConstants.EQUAL :
{
{if (true) return equals(attribute.image, value.image);}
}
case LdapFilterConstants.APPROX :
{
{if (true) return approx(attribute.image, value.image);}
}
case LdapFilterConstants.GREATER :
{
{if (true) return greater(attribute.image, value.image);}
}
case LdapFilterConstants.LESS :
{
{if (true) return less(attribute.image, value.image);}
}
default :
{if (true) return false;}
}
throw new Error("Missing return statement in function");
}
/**
* not = "!" filter
*/
final public boolean not() throws ParseException {
boolean filterresult;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case NOT:
jj_consume_token(NOT);
break;
case NOT_ORG:
jj_consume_token(NOT_ORG);
break;
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
filterresult = filter();
{if (true) return !filterresult;}
throw new Error("Missing return statement in function");
}
/**
* and = "&" filterlist
*/
final public boolean and() throws ParseException {
List values;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case AND:
jj_consume_token(AND);
break;
case AND_ORG:
jj_consume_token(AND_ORG);
break;
default:
jj_la1[5] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
values = filterlist();
for (Iterator iterator = values.iterator();
iterator.hasNext();
)
{
Boolean value = (Boolean) iterator.next();
if (value.booleanValue() == false)
{
{if (true) return false;}
}
}
{if (true) return true;}
throw new Error("Missing return statement in function");
}
/**
* or = "|" filterlist
*/
final public boolean or() throws ParseException {
List values;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case OR:
jj_consume_token(OR);
break;
case OR_ORG:
jj_consume_token(OR_ORG);
break;
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
values = filterlist();
for (Iterator iterator = values.iterator();
iterator.hasNext();
)
{
if (((Boolean) iterator.next()).booleanValue())
{
{if (true) return true;}
}
}
{if (true) return false;}
throw new Error("Missing return statement in function");
}
/**
* filterlist = 1*filter
*/
final public List filterlist() throws ParseException {
List values = new LinkedList();
boolean value;
value = filter();
values.add(Boolean.valueOf(value));
label_1:
while (true) {
value = filter();
values.add(Boolean.valueOf(value));
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case BRACKET_OPEN:
;
break;
default:
jj_la1[7] = jj_gen;
break label_1;
}
}
{if (true) return values;}
throw new Error("Missing return statement in function");
}
/** Generated Token Manager. */
public LdapFilterTokenManager token_source;
SimpleCharStream jj_input_stream;
/** Current token. */
public Token token;
/** Next token. */
public Token jj_nt;
private int jj_ntk;
private int jj_gen;
final private int[] jj_la1 = new int[8];
static private int[] jj_la1_0;
static {
jj_la1_init_0();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x17f00,0x13f00,0xf0,0x30000,0x3000,0x300,0xc00,0x4000,};
}
/** Constructor with InputStream. */
public LdapFilter(java.io.InputStream stream) {
this(stream, null);
}
/** Constructor with InputStream and supplied encoding */
public LdapFilter(java.io.InputStream stream, String encoding) {
try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source = new LdapFilterTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream) {
ReInit(stream, null);
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream, String encoding) {
try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
/** Constructor. */
public LdapFilter(java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new LdapFilterTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
/** Constructor with generated Token Manager. */
public LdapFilter(LdapFilterTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(LdapFilterTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
private Token jj_consume_token(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
if (token.kind == kind) {
jj_gen++;
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
/** Get the next Token. */
final public Token getNextToken() {
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
/** Get the specific Token. */
final public Token getToken(int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk() {
if ((jj_nt=token.next) == null)
return (jj_ntk = (token.next=token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List jj_expentries = new java.util.ArrayList();
private int[] jj_expentry;
private int jj_kind = -1;
/** Generate ParseException. */
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[18];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 8; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<<j)) != 0) {
la1tokens[j] = true;
}
}
}
}
for (int i = 0; i < 18; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = (int[])jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
/** Enable tracing. */
final public void enable_tracing() {
}
/** Disable tracing. */
final public void disable_tracing() {
}
}