import com.google.gwt.logging.shared.RemoteLoggingService; //导入依赖的package包/类
public <T extends Throwable> String encode(T throwable) throws SerializationException {
    SerializationStreamFactory streamFactory = GWT.create(RemoteLoggingService.class);
    SerializationStreamWriter streamWriter = streamFactory.createStreamWriter();
    streamWriter.writeObject(throwable);
    String serializedObj = streamWriter.toString();
    HuffmanEncoder encoder = new HuffmanEncoder();
    HashMap<Character,String> map =  new HashMap<Character,String>();

    SerializationStreamFactory compressedFactory = GWT.create(Compressed.class);
    streamWriter = compressedFactory.createStreamWriter();
    streamWriter.writeObject(map);
    streamWriter.writeObject(serializedObj);
    byte[] data = encoder.encode(serializedObj, map);

    String encoded = Base64.encode(data);
    return encoded;
}
 

import com.google.gwt.logging.shared.RemoteLoggingService; //导入依赖的package包/类
public static Handler makeRemoteLogHandler(String remoteLoggingPath) {
    RemoteLoggingServiceAsync service = GWT.create(RemoteLoggingService.class);
    ((ServiceDefTarget) service).setServiceEntryPoint(remoteLoggingPath);
    Handler handler = GWT.create(XLoggerRemoteHandler.class);
    if (handler instanceof XLoggerRemoteHandler) {
        ((XLoggerRemoteHandler) handler).setService(service);
    }
    return handler;
}