/**
* Copyright (c) 2011, SOCIETIES Consortium (WATERFORD INSTITUTE OF TECHNOLOGY (TSSG), HERIOT-WATT UNIVERSITY (HWU), SOLUTA.NET
* (SN), GERMAN AEROSPACE CENTRE (Deutsches Zentrum fuer Luft- und Raumfahrt e.V.) (DLR), Zavod za varnostne tehnologije
* informacijske družbe in elektronsko poslovanje (SETCCE), INSTITUTE OF COMMUNICATION AND COMPUTER SYSTEMS (ICCS), LAKE
* COMMUNICATIONS (LAKE), INTEL PERFORMANCE LEARNING SOLUTIONS LTD (INTEL), PORTUGAL TELECOM INOVAÇÃO, SA (PTIN), IBM Corp.,
* INSTITUT TELECOM (ITSUD), AMITEC DIACHYTI EFYIA PLIROFORIKI KAI EPIKINONIES ETERIA PERIORISMENIS EFTHINIS (AMITEC), TELECOM
* ITALIA S.p.a.(TI), TRIALOG (TRIALOG), Stiftelsen SINTEF (SINTEF), NEC EUROPE LTD (NEC))
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package local.test.dummy.classes;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.List;
import org.societies.api.cis.attributes.Rule.OperationType;
import org.societies.api.context.model.CtxAttributeValueType;
/**
* Describe your class here...
*
* @author John
*
*/
public class Rule {
private OperationType operation;
private String attribute;
public String getRuleAtt(){
return attribute;
}
public void setAtt(String att){
this.attribute = att;
}
public enum OperationType {
equals, greaterThan, lessThan, range, differentFrom;
static public boolean isValid(String aName) {
OperationType[] oTypes = OperationType.values();
for (OperationType oType : oTypes)
if (oType.name().equalsIgnoreCase(aName))
return true;
return false;
}
}
private List<String> values;
//Non-T4.5 components need to be able to create a rule
public Rule() {
}
public Rule(String operation, List<String> values) throws InvalidParameterException {
if(this.setOperation(operation) == false) throw new InvalidParameterException("Operation invalid");
List<String> newStrs = new ArrayList<String>(values);
if(this.setValues(newStrs) == false) throw new InvalidParameterException("Value list invalid");
}
public String getOperation() {
return operation.name();
}
public boolean setOperation(String operation) {
if (OperationType.isValid(operation)) {
this.operation = OperationType.valueOf(operation);
return true;
}
else return false;
}
public List<String> getValues() {
return values;
}
public boolean setValues(List<String> values) {
if ((!operation.equals(OperationType.range)) && (values.size() == 1)) this.values = values;
else if ((operation.equals(OperationType.range)) && (values.size() == 2)) this.values = values;
else return false;
return true;
}
public boolean checkRule(CtxAttributeValueType t, String value){
switch (t){
case STRING:
String v = value;
switch (this.operation){
case equals:
if(v.equalsIgnoreCase(this.values.get(0))) return true;
else return false;
case differentFrom:
if(!v.equalsIgnoreCase(this.values.get(0))) return true;
else return false;
case lessThan:
case greaterThan:
case range:
return false; // invalid rule TODO: print a warning
}
break; //end of String check
case INTEGER:
int i = Integer.valueOf(value);
switch (this.operation){
case equals:
if(i == (Integer.valueOf(this.values.get(0)) )) return true;
else return false;
case differentFrom:
if(i != (Integer.valueOf(this.values.get(0)) )) return true;
else return false;
case lessThan:
if(i < (Integer.valueOf(this.values.get(0)) )) return true;
else return false;
case greaterThan:
if(i > (Integer.valueOf(this.values.get(0)) )) return true;
else return false;
case range:
if((i > (Integer.valueOf(this.values.get(0)) )) && (i < (Integer.valueOf(this.values.get(1)) ))) return true;
else return false;
}
break; //end of Integer check
case DOUBLE:
case BINARY:
case EMPTY:
default:
}
return false;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((operation == null) ? 0 : operation.hashCode());
result = prime * result + ((values == null) ? 0 : values.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Rule other = (Rule) obj;
if (operation != other.operation)
return false;
if (values == null) {
if (other.values != null)
return false;
} else if (!values.equals(other.values))
return false;
return true;
}
}