use of fr.lirmm.graphik.dlgp2.parser.Token in project graal by graphik-team.
the class DlgpParseException method createMsg.
private static final String createMsg(fr.lirmm.graphik.dlgp2.parser.ParseException e) {
Token tok = e.currentToken;
if (e.currentToken != null) {
String extract = "";
do {
if (tok.kind == 0) {
extract += e.tokenImage[0];
break;
}
extract += add_escapes(tok.image);
tok = tok.next;
} while (tok != null);
return "a parse exception occured on \"" + extract + "\"";
} else {
return e.getMessage();
}
}
use of fr.lirmm.graphik.dlgp2.parser.Token in project syncope by apache.
the class AbstractAnyDAO method getWhereClause.
/**
* Generate one where clause for each different attribute schema into the derived schema expression provided.
*
* @param expression derived schema expression
* @param value derived attribute value
* @param attrUtils USER / GROUP
* @return where clauses to use to build the query
*/
private Set<String> getWhereClause(final String expression, final String value) {
Parser parser = new Parser(new StringReader(expression));
// Schema names
List<String> identifiers = new ArrayList<>();
// Literals
List<String> literals = new ArrayList<>();
// Get schema names and literals
for (Token token = parser.getNextToken(); token != null && StringUtils.isNotBlank(token.toString()); token = parser.getNextToken()) {
if (token.kind == ParserConstants.STRING_LITERAL) {
literals.add(token.toString().substring(1, token.toString().length() - 1));
}
if (token.kind == ParserConstants.IDENTIFIER) {
identifiers.add(token.toString());
}
}
// Sort literals in order to process later literals included into others
Collections.sort(literals, (final String t, final String t1) -> {
if (t == null && t1 == null) {
return 0;
} else if (t != null && t1 == null) {
return -1;
} else if (t == null && t1 != null) {
return 1;
} else if (t.length() == t1.length()) {
return 0;
} else if (t.length() > t1.length()) {
return -1;
} else {
return 1;
}
});
// Split value on provided literals
List<String> attrValues = split(value, literals);
if (attrValues.size() != identifiers.size()) {
LOG.error("Ambiguous JEXL expression resolution: literals and values have different size");
return Collections.emptySet();
}
// clauses to be used with INTERSECTed queries
Set<String> clauses = new HashSet<>();
// builder to build the clauses
StringBuilder bld = new StringBuilder();
// Contains used identifiers in order to avoid replications
Set<String> used = new HashSet<>();
// Create several clauses: one for eanch identifiers
for (int i = 0; i < identifiers.size(); i++) {
if (!used.contains(identifiers.get(i))) {
// verify schema existence and get schema type
PlainSchema schema = plainSchemaDAO().find(identifiers.get(i));
if (schema == null) {
LOG.error("Invalid schema '{}', ignoring", identifiers.get(i));
} else {
// clear builder
bld.delete(0, bld.length());
bld.append("(");
// set schema name
bld.append("s.id = '").append(identifiers.get(i)).append("'");
bld.append(" AND ");
bld.append("s.id = a.schema_id").append(" AND ");
bld.append("a.id = v.attribute_id");
bld.append(" AND ");
// use a value clause different for eanch different schema type
switch(schema.getType()) {
case Boolean:
bld.append("v.booleanValue = '").append(attrValues.get(i)).append("'");
break;
case Long:
bld.append("v.longValue = ").append(attrValues.get(i));
break;
case Double:
bld.append("v.doubleValue = ").append(attrValues.get(i));
break;
case Date:
bld.append("v.dateValue = '").append(attrValues.get(i)).append("'");
break;
default:
bld.append("v.stringValue = '").append(attrValues.get(i)).append("'");
}
bld.append(")");
used.add(identifiers.get(i));
clauses.add(bld.toString());
}
}
}
LOG.debug("Generated where clauses {}", clauses);
return clauses;
}
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