/**
* Get a string representation of the value of this attribute.
*
* @return A string representation of the value of this attribute.
* @preconditions
* @postconditions (result <> null)
*/
protected String getValueString() {
String valueString = "";
if (template_ == null) template_ = getAttributeArrayValue();
if (template_ == null) {
valueString = "<NULL_PTR>";
} else {
String indent = Constants.INDENT + Constants.INDENT + Constants.INDENT;
valueString += template_.toString(true, true, indent);
}
return valueString;
}
/**
* Get the attribute array value of this attribute. Null, is also possible.
*
* @return The attribute array value of this attribute or null.
* @preconditions
* @postconditions
*/
public GenericTemplate getAttributeArrayValue() {
if (template_ == null) {
if (ckAttribute_.pValue != null && ((CK_ATTRIBUTE[]) ckAttribute_.pValue).length > 0) {
CK_ATTRIBUTE[] attributesArray = (CK_ATTRIBUTE[]) ckAttribute_.pValue;
GenericTemplate template = new GenericTemplate();
for (int i = 0; i < attributesArray.length; i++) {
Long type = new Long(attributesArray[i].type);
Class implementation = (Class) Attribute.getAttributeClass(type);
Attribute attribute;
if (implementation == null) {
attribute = new Attribute(type);
attribute.setCkAttribute(attributesArray[i]);
} else {
try {
attribute = (Attribute) implementation.newInstance();
attribute.setCkAttribute(attributesArray[i]);
attribute.setPresent(true);
template.addAttribute(attribute);
} catch (Exception ex) {
System.err.println(
"Error when trying to create a "
+ implementation
+ " instance for "
+ type
+ ": "
+ ex.getMessage());
System.err.flush();
System.exit(1);
}
}
}
return template;
} else {
return null;
}
} else {
return template_;
}
}
/**
* The overriding of this method should ensure that the objects of this class work correctly in a
* hashtable.
*
* @return The hash code of this object.
* @preconditions
* @postconditions
*/
public int hashCode() {
if (template_ == null) template_ = getAttributeArrayValue();
return template_.hashCode();
}