private int Load_Nodes(DataInputStream inStream) {
// need to open file and load data
int node_id;
int x_cor;
int y_cor;
// int n_nodes, n_edges, node_cnt, arrow_status;
Node n;
String line;
String item1, item2, item3, item4;
node_id = 0;
x_cor = 0;
y_cor = 0;
// n_nodes = 0;
// n_edges = 0;
// arrow_status = -1;
try {
if ((line = inStream.readLine()) != null) {
StringTokenizer Data = new StringTokenizer(line, " ");
item1 = Data.nextToken();
n_nodes = Integer.parseInt(item1);
item2 = Data.nextToken();
n_edges = Integer.parseInt(item2);
item3 = Data.nextToken();
arrow_status = Integer.parseInt(item3);
// item4 = Data.nextToken();
// type = Integer.parseInt( item4 );
// graph = new GraphClass( n_nodes, n_edges, arrow_status );
nodes = new Node[n_nodes];
edges = new Edge[n_edges];
// ???
while ((this.Node_Cnt() < n_nodes) && ((line = inStream.readLine()) != null)) {
Data = new StringTokenizer(line, " ");
item1 = Data.nextToken();
item2 = Data.nextToken();
item3 = Data.nextToken();
node_id = Integer.parseInt(item1);
x_cor = Integer.parseInt(item2);
y_cor = Integer.parseInt(item3);
n = new Node(node_id, x_cor, y_cor);
this.Add_Node(n);
}
if (n_nodes != 0) {
source_node = nodes[0];
}
}
} catch (IOException e) {
System.err.println("error in file" + e.toString());
System.exit(1);
}
return this.Node_Cnt();
}
private int Load_Edges(DataInputStream inStream, int num) {
String line;
String item1, item2, item3;
int source_node;
int dest_node;
int value;
int n_nodes, edge_cnt;
// Node nodes_array[] = new Node[num]; // Wil
Edge edge;
n_nodes = num;
Node nodes_array[];
nodes_array = new Node[n_nodes];
nodes_array = this.Node_Array(); // Wil
edge_cnt = 0;
try {
while ((line = inStream.readLine()) != null) {
StringTokenizer Data = new StringTokenizer(line, " ");
item1 = Data.nextToken();
item2 = Data.nextToken();
item3 = Data.nextToken();
source_node = Integer.parseInt(item1);
dest_node = Integer.parseInt(item2);
value = Integer.parseInt(item3);
edge = new Edge(nodes_array[source_node - 1], nodes_array[dest_node - 1], value);
this.Add_Edge(edge);
edge_cnt++;
}
// inFile.close();
} catch (IOException e) {
System.err.println("Error in accessing URL: " + e.toString());
System.exit(1);
}
return edge_cnt;
}
// --------------------------------------------------
public void run() {
String inputLine;
try {
while ((inputLine = is.readLine()) != null) {
responseArea.appendText(inputLine + "\n");
}
} catch (IOException e) {
responseArea.appendText("IO Exception" + "\n");
}
}
