/**
* Reads the attributes from a StorableInput. FigureAttributes store the following types directly:
* Color, Boolean, String, Int. Other attribute types have to implement the Storable interface or
* they have to be wrapped by an object that implements Storable.
*
* @see Storable
* @see #write
*/
public void read(StorableInput dr) throws IOException {
String s = dr.readString();
if (!s.toLowerCase().equals("attributes")) {
throw new IOException("Attributes expected");
}
fMap = new HashMap<FigureAttributeConstant, Object>();
int size = dr.readInt();
for (int i = 0; i < size; i++) {
String key = dr.readString();
String valtype = dr.readString();
Object val = null;
if (valtype.equals("Color")) {
val = new Color(dr.readInt(), dr.readInt(), dr.readInt());
} else if (valtype.equals("Boolean")) {
val = new Boolean(dr.readString());
} else if (valtype.equals("String")) {
val = dr.readString();
} else if (valtype.equals("Int")) {
val = new Integer(dr.readInt());
} else if (valtype.equals("Storable")) {
val = dr.readStorable();
} else if (valtype.equals(Figure.POPUP_MENU)) {
// read String but don't store it
continue;
} else if (valtype.equals("UNKNOWN")) {
continue;
}
// try to get defined constant
FigureAttributeConstant attributeConstant = FigureAttributeConstant.getConstant(key);
set(attributeConstant, val);
}
}
/**
* Writes the attributes to a StorableInput. FigureAttributes store the following types directly:
* Color, Boolean, String, Int. Other attribute types have to implement the Storable interface or
* they have to be wrapped by an object that implements Storable.
*
* @see Storable
* @see #write
*/
public void write(StorableOutput dw) {
dw.writeString("attributes");
dw.writeInt(fMap.size()); // number of attributes
Iterator<FigureAttributeConstant> iter = fMap.keySet().iterator();
while (iter.hasNext()) {
FigureAttributeConstant fac = iter.next();
String attributeName = fac.getName();
Object attributeValue = fMap.get(fac);
dw.writeString(attributeName);
if (attributeValue instanceof String) {
dw.writeString("String");
dw.writeString((String) attributeValue);
} else if (attributeValue instanceof Color) {
writeColor(dw, "Color", (Color) attributeValue);
} else if (attributeValue instanceof Boolean) {
dw.writeString("Boolean");
if (((Boolean) attributeValue).booleanValue()) {
dw.writeString("TRUE");
} else {
dw.writeString("FALSE");
}
} else if (attributeValue instanceof Integer) {
dw.writeString("Int");
dw.writeInt(((Integer) attributeValue).intValue());
} else if (attributeValue instanceof Storable) {
dw.writeString("Storable");
dw.writeStorable((Storable) attributeValue);
} else if (attributeValue instanceof javax.swing.JPopupMenu) {
dw.writeString(Figure.POPUP_MENU);
} else {
System.err.println("Unknown attribute: " + attributeValue);
dw.writeString("UNKNOWN");
}
}
}