//* Licensed Materials - Property of *
//* IBM *
//* *
//* eu.abc4trust.pabce.1.34 *
//* *
//* (C) Copyright IBM Corp. 2014. All Rights Reserved. *
//* US Government Users Restricted Rights - Use, duplication or *
//* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. *
//* *
//* This file is licensed under the Apache License, Version 2.0 (the *
//* "License"); you may not use this file except in compliance with *
//* the License. You may obtain a copy of the License at: *
//* http://www.apache.org/licenses/LICENSE-2.0 *
//* Unless required by applicable law or agreed to in writing, *
//* software distributed under the License is distributed on an *
//* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
//* KIND, either express or implied. See the License for the *
//* specific language governing permissions and limitations *
//* under the License. *
//*/**/****************************************************************
package eu.abc4trust.util.attributeTypes;
import java.net.URI;
import java.util.List;
import java.util.StringTokenizer;
import eu.abc4trust.util.Constants;
import eu.abc4trust.util.Constants.OperationType;
public class MyAttributeValueFactory {
public static MyAttributeValue parseValue(URI dataType, Object attributeValue, /*Nullable*/ EnumAllowedValues av) {
StringTokenizer st = new StringTokenizer(dataType.toString(), ":");
String type = "";
while(st.hasMoreTokens()) {
// ignore namespace
type = st.nextToken();
}
if (type.equals(Constants.STRING_TYPE)) {
return new MyAttributeValueString(attributeValue, av);
} else if (type.equals(Constants.BOOLEAN_TYPE)) {
return new MyAttributeValueBoolean(attributeValue, av);
} else if (type.equals(Constants.INTEGER_TYPE) || type.equals("int") || type.equals("long")) {
return new MyAttributeValueInteger(attributeValue, av);
} else if (type.equals(Constants.DATE_TYPE)) {
return new MyAttributeValueDate(attributeValue, av);
} else if (type.equals(Constants.TIME_TYPE)) {
return new MyAttributeValueTime(attributeValue, av);
} else if (type.equals(Constants.DATETIME_TYPE)) {
return new MyAttributeValueDateTime(attributeValue, av);
} else if (type.equals(Constants.URI_TYPE)) {
return new MyAttributeValueUri(attributeValue, av);
} else {
throw new RuntimeException("Cannot parse attribute data type: '" + type + "'");
}
}
public static OperationType operationTypeOfFunction(URI functionAsUri) {
String function = functionAsUri.toString();
if (function.equals("urn:oasis:names:tc:xacml:1.0:function:string-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:boolean-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:time-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:anyURI-equal")) {
return OperationType.EQUAL;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-greater-than")) {
return OperationType.GREATER;
} else if (function
.equals("urn:oasis:names:tc:xacml:1.0:function:integer-greater-than-or-equal")) {
return OperationType.GREATEREQ;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-less-than")) {
return OperationType.LESS;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-less-than-or-equal")) {
return OperationType.LESSEQ;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-greater-than")) {
return OperationType.GREATER;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-greater-than-or-equal")) {
return OperationType.GREATEREQ;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-less-than")) {
return OperationType.LESS;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-less-than-or-equal")) {
return OperationType.LESSEQ;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than")) {
return OperationType.GREATER;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than-or-equal")) {
return OperationType.GREATEREQ;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than")) {
return OperationType.LESS;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than-or-equal")) {
return OperationType.LESSEQ;
} else if (function.equals("urn:abc4trust:1.0:function:string-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:boolean-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:integer-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:date-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:time-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:dateTime-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:anyURI-not-equal")) {
return OperationType.NOTEQUAL;
} else if (function.equals("urn:abc4trust:1.0:function:string-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:boolean-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:integer-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:date-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:time-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:dateTime-equal-oneof")) {
return OperationType.EQUALONEOF;
} else if (function.equals("urn:abc4trust:1.0:function:anyURI-equal-oneof")) {
return OperationType.EQUALONEOF;
} else {
throw new RuntimeException("Cannot parse function name: '" + function + "'");
}
}
public static String returnTypeOfFunction(URI functionAsUri) {
String function = functionAsUri.toString();
if (function.equals("urn:oasis:names:tc:xacml:1.0:function:string-equal")) {
return Constants.STRING_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:boolean-equal")) {
return Constants.BOOLEAN_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-equal")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-equal")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:time-equal")) {
return Constants.TIME_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-equal")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:anyURI-equal")) {
return Constants.URI_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-greater-than")) {
return Constants.INTEGER_TYPE;
} else if (function
.equals("urn:oasis:names:tc:xacml:1.0:function:integer-greater-than-or-equal")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-less-than")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:integer-less-than-or-equal")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-greater-than")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-greater-than-or-equal")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-less-than")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:date-less-than-or-equal")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-greater-than-or-equal")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:oasis:names:tc:xacml:1.0:function:dateTime-less-than-or-equal")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:string-not-equal")) {
return Constants.STRING_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:boolean-not-equal")) {
return Constants.BOOLEAN_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:integer-not-equal")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:date-not-equal")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:time-not-equal")) {
return Constants.TIME_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:dateTime-not-equal")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:anyURI-not-equal")) {
return Constants.URI_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:string-equal-oneof")) {
return Constants.STRING_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:boolean-equal-oneof")) {
return Constants.BOOLEAN_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:integer-equal-oneof")) {
return Constants.INTEGER_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:date-equal-oneof")) {
return Constants.DATE_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:time-equal-oneof")) {
return Constants.TIME_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:dateTime-equal-oneof")) {
return Constants.DATETIME_TYPE;
} else if (function.equals("urn:abc4trust:1.0:function:anyURI-equal-oneof")) {
return Constants.URI_TYPE;
} else {
throw new RuntimeException("Cannot parse function name: '" + function + "'");
}
}
public static MyAttributeValue parseValueFromFunction(URI function, Object param) {
String returnType = "";
returnType = returnTypeOfFunction(function);
return parseValue(URI.create(returnType), param, null);
}
public static boolean evaulateFunction(URI function, List<MyAttributeValue> arguments) {
String returnType = returnTypeOfFunction(function);
if(!checkTypes(arguments, returnType)) {
throw new RuntimeException("Incorrect type of arguments, when evaluating function: '"
+ function + "'");
}
OperationType op = operationTypeOfFunction(function);
if (!isArgumentNumberCorrect(op, arguments.size())) {
throw new RuntimeException("Incorrect number of arguments when evaluating function: '"
+ function + "'");
}
switch (op) {
case EQUAL:
return arguments.get(0).isCompatibleAndEquals(arguments.get(1));
case NOTEQUAL:
return arguments.get(0).isCompatibleAndNotEquals(arguments.get(1));
case EQUALONEOF: {
MyAttributeValue first = arguments.get(0);
for (int i = 1; i < arguments.size(); ++i) {
if (first.isCompatibleAndEquals(arguments.get(i))) {
return true;
}
}
return false;
}
case LESS:
return arguments.get(0).isCompatibleAndLess(arguments.get(1));
case LESSEQ:
return arguments.get(0).isCompatibleAndLessOrEqual(arguments.get(1));
case GREATER:
return arguments.get(1).isCompatibleAndLess(arguments.get(0));
case GREATEREQ:
return arguments.get(1).isCompatibleAndLessOrEqual(arguments.get(0));
default:
throw new RuntimeException("Problem with evaluating function: '" + function + "'");
}
}
private static boolean checkTypes(List<MyAttributeValue> arguments, String returnType) {
Class<?> expectedClass = getClassOfType(returnType);
for(MyAttributeValue argument:arguments) {
if ( ! expectedClass.isInstance(argument)) {
return false;
}
}
return true;
}
private static Class<?> getClassOfType(String type) {
if (type.equals(Constants.STRING_TYPE)) {
return MyAttributeValueString.class;
} else if (type.equals(Constants.BOOLEAN_TYPE)) {
return MyAttributeValueBoolean.class;
} else if (type.equals(Constants.INTEGER_TYPE)) {
return MyAttributeValueInteger.class;
} else if (type.equals(Constants.DATE_TYPE)) {
return MyAttributeValueDate.class;
} else if (type.equals(Constants.TIME_TYPE)) {
return MyAttributeValueTime.class;
} else if (type.equals(Constants.DATETIME_TYPE)) {
return MyAttributeValueDateTime.class;
} else if (type.equals(Constants.URI_TYPE)) {
return MyAttributeValueUri.class;
} else {
throw new RuntimeException("Cannot parse attribute data type: '" + type + "'");
}
}
private static boolean isArgumentNumberCorrect(OperationType op, int size) {
switch (op) {
case EQUAL:
return (size == 2);
case NOTEQUAL:
return (size == 2);
case EQUALONEOF:
return (size >= 2);
case LESS:
return (size == 2);
case LESSEQ:
return (size == 2);
case GREATER:
return (size == 2);
case GREATEREQ:
return (size == 2);
default:
throw new RuntimeException("Problem with evaluating operation: '" + op + "'");
}
}
}