private void init(Interface intf) throws IOException {
if (intf == null || intf.getNumEndpoints() != 2) throw new IllegalArgumentException();
// XXX presumably this handles the "multiple devfs claims" case; check.
intf.claim();
this.intf = intf;
try {
for (int i = 0; i < intf.getNumEndpoints(); i++) {
Endpoint ep = intf.getEndpoint(i);
if (!"bulk".equals(ep.getType())) throw new IllegalArgumentException();
if (ep.isInput()) in = ep.getInputStream();
else out = ep.getOutputStream();
}
if (in == null || out == null) throw new IllegalArgumentException();
} catch (IOException e) {
try {
close();
} catch (Exception x) {
intf = null;
}
throw e;
} catch (RuntimeException e) {
try {
close();
} catch (Exception x) {
intf = null;
}
throw e;
}
}
private static void printInterface(int indent, Interface intf) throws IOException {
indentLine(
indent,
"<"
+ intf.getInterfaceClassName()
+ " number='"
+ intf.getNumber()
+ "' alt='"
+ intf.getAlternateSetting()
+ "' endpoints='"
+ intf.getNumEndpoints()
+ "'");
indentLine(
indent + 4,
"class='"
+ intf.getInterfaceClass()
+ "' subclass='"
+ intf.getInterfaceSubClass()
+ "' protocol='"
+ intf.getInterfaceProtocol()
+ "'>");
indent += 2;
maybePrintDescriptors(indent, intf.nextDescriptor());
for (int ep = 0; ep < intf.getNumEndpoints(); ep++)
try {
printEndpoint(indent, intf.getEndpoint(ep));
} catch (IOException e) {
indentLine(indent, "<!-- CAN'T GET ENDPOINT: ");
e.printStackTrace(System.out);
indentLine(indent, "-->");
}
// FIXME: can print interface class details
indentLine(indent, "</" + intf.getInterfaceClassName() + ">");
}
