/**
* Handles the object invocation.
*
* @param proxy the proxy object to invoke
* @param method the method to call
* @param args the arguments to the proxy object
*/
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
String methodName = method.getName();
Class[] params = method.getParameterTypes();
// equals and hashCode are special cased
if (methodName.equals("equals") && params.length == 1 && params[0].equals(Object.class)) {
Object value = args[0];
if (value == null || !Proxy.isProxyClass(value.getClass())) return new Boolean(false);
BurlapProxy handler = (BurlapProxy) Proxy.getInvocationHandler(value);
return new Boolean(_url.equals(handler.getURL()));
} else if (methodName.equals("hashCode") && params.length == 0)
return new Integer(_url.hashCode());
else if (methodName.equals("getBurlapType"))
return proxy.getClass().getInterfaces()[0].getName();
else if (methodName.equals("getBurlapURL")) return _url.toString();
else if (methodName.equals("toString") && params.length == 0)
return "[BurlapProxy " + _url + "]";
InputStream is = null;
URLConnection conn = null;
HttpURLConnection httpConn = null;
try {
conn = _factory.openConnection(_url);
conn.setRequestProperty("Content-Type", "text/xml");
OutputStream os;
try {
os = conn.getOutputStream();
} catch (Exception e) {
throw new BurlapRuntimeException(e);
}
BurlapOutput out = _factory.getBurlapOutput(os);
if (!_factory.isOverloadEnabled()) {
} else if (args != null) methodName = methodName + "__" + args.length;
else methodName = methodName + "__0";
if (log.isLoggable(Level.FINE))
log.fine(this + " calling " + methodName + " (" + method + ")");
out.call(methodName, args);
try {
os.flush();
} catch (Exception e) {
throw new BurlapRuntimeException(e);
}
if (conn instanceof HttpURLConnection) {
httpConn = (HttpURLConnection) conn;
int code = 500;
try {
code = httpConn.getResponseCode();
} catch (Exception e) {
}
if (code != 200) {
StringBuffer sb = new StringBuffer();
int ch;
try {
is = httpConn.getInputStream();
if (is != null) {
while ((ch = is.read()) >= 0) sb.append((char) ch);
is.close();
}
is = httpConn.getErrorStream();
if (is != null) {
while ((ch = is.read()) >= 0) sb.append((char) ch);
}
} catch (FileNotFoundException e) {
throw new BurlapRuntimeException(code + ": " + String.valueOf(e));
} catch (IOException e) {
}
if (is != null) is.close();
throw new BurlapProtocolException(code + ": " + sb.toString());
}
}
is = conn.getInputStream();
AbstractBurlapInput in = _factory.getBurlapInput(is);
return in.readReply(method.getReturnType());
} catch (BurlapProtocolException e) {
throw new BurlapRuntimeException(e);
} finally {
try {
if (is != null) is.close();
} catch (IOException e) {
}
if (httpConn != null) httpConn.disconnect();
}
}
public AbstractBurlapInput getBurlapInput(InputStream is) {
AbstractBurlapInput in = new BurlapInput(is);
in.setRemoteResolver(getRemoteResolver());
return in;
}