protected void set(String path, Object value) {
if (path == null) {
if (type == Type.String && value instanceof String) {
stringValue = (String) value;
} else if (type == Type.Integer && value instanceof Integer) {
integerValue = (Integer) value;
} else if (type == Type.Double && value instanceof Double) {
doubleValue = (Double) value;
} else if (type == Type.Record && value instanceof InformationState) {
recordValue = (InformationState) value;
} else if (type == Type.List && value instanceof List) {
listValue = (List) value;
}
} else {
if (type == Type.Record) {
if (path != null) {
recordValue.set(path, value);
}
} else if (type == Type.List) {
if (path != null) {
listValue.set(path, value);
}
}
}
}
/**
* Prints this Item as a textual representation, with the given String put before every line.
*
* @param pre - the String to put in front of each line
*/
public void print(String pre) {
if (type == Type.String) System.out.println(stringValue);
if (type == Type.Integer) System.out.println(integerValue);
if (type == Type.Double) System.out.println(doubleValue);
if (type == Type.Record) {
System.out.println("Record\r\n" + pre + "[");
recordValue.print(pre + " ");
System.out.println(pre + "]");
}
if (type == Type.List) {
System.out.println(" List");
listValue.print(pre);
}
}
/**
* Retrieves the value of the give path. If the path is NULL, or if the type of this Item is a
* String, Integer, or Double it will return the value of this Item. If the path is not NULL (and
* the type is a Record or a List), it will pass the path to the Record/List, and return the
* resulting Item.
*
* @param path - the substructure-path of the item you want
* @return the wanted Item
*/
public Item getValueOfPath(String path) {
if (type == Type.String) return this;
if (type == Type.Integer) return this;
if (type == Type.Double) return this;
if (type == Type.Record) {
if (path == null) {
return this;
} else {
return recordValue.getValueOfPath(path);
}
}
if (type == Type.List) {
if (path == null) {
return this;
} else {
return listValue.getValueOfPath(path);
}
}
return null;
}