/**
* Restore a Drawing from a file with a given name.
*
* @param fileName of the file in which the Drawing has been saved
* @return restored Drawing
*/
public Drawing restore(String fileName) throws IOException {
if (!hasCorrectFileExtension(fileName)) {
return null;
} else {
FileInputStream stream = new FileInputStream(fileName);
StorableInput input = new StorableInput(stream);
return (Drawing) input.readStorable();
}
}
public void read(StorableInput dr) throws IOException {
super.read(dr);
Connector start = (Connector) dr.readStorable();
if (start != null) {
connectStart(start);
}
Connector end = (Connector) dr.readStorable();
if (end != null) {
connectEnd(end);
}
if ((start != null) && (end != null)) {
updateConnection();
}
}
private void readFromStorableInput(String filename) {
try {
URL url = new URL(getCodeBase(), filename);
InputStream stream = url.openStream();
StorableInput input = new StorableInput(stream);
fDrawing.release();
fDrawing = (Drawing) input.readStorable();
view().setDrawing(fDrawing);
} catch (IOException e) {
initDrawing();
showStatus("Error:" + e);
}
}
/** Reads the contained figures from StorableInput. */
public void read(StorableInput dr) throws IOException {
super.read(dr);
int size = dr.readInt();
fFigures = new Vector(size);
for (int i = 0; i < size; i++) add((Figure) dr.readStorable());
}
public void read(StorableInput dr) throws IOException {
super.read(dr);
fRelativeX = dr.readDouble();
fRelativeY = dr.readDouble();
}
/**
* 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 Hashtable();
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;
}
fMap.put(key, val);
}
}
public static Color readColor(StorableInput dr) throws IOException {
return new Color(dr.readInt(), dr.readInt(), dr.readInt());
}
public void read(StorableInput dr) throws IOException {
super.read(dr);
fDisplayBox = new Rectangle(dr.readInt(), dr.readInt(), dr.readInt(), dr.readInt());
fArcWidth = dr.readInt();
fArcHeight = dr.readInt();
}
/** Reads the arrow tip from a StorableInput. */
public void read(StorableInput dr) throws IOException {
super.read(dr);
fLocator = (Locator) dr.readStorable();
}
/** Reads the arrow tip from a StorableInput. */
public void read(StorableInput dr) throws IOException {
setAngle(dr.readDouble());
setOuterRadius(dr.readDouble());
setInnerRadius(dr.readDouble());
super.read(dr);
}
