jp.go.nict.langrid.commons.rpc.RpcFaultUtil Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jp.go.nict.langrid.commons Show documentation
Common and utility library for the Service Grid Server Software and java web services.
The newest version!
/*
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) NICT Language Grid Project.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2.1 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see .
 */
package jp.go.nict.langrid.commons.rpc;

import jp.go.nict.langrid.commons.lang.ExceptionUtil;
import jp.go.nict.langrid.repackaged.net.arnx.jsonic.JSON;
import jp.go.nict.langrid.repackaged.net.arnx.jsonic.JSONException;

public class RpcFaultUtil {
	public static Exception rpcFaultToThrowable(RpcFault fault){
		String[] v = fault.getFaultString().split(":", 2);
		if(v.length == 1){
			return new RuntimeException(v[0]);
		}
		Class clazz = null;
		try {
			clazz = Class.forName(v[0]);
		} catch (ClassNotFoundException e) {
			return (Exception)new RuntimeException(json.format(fault));
		}
		try{
			Exception e = (Exception)json.parse(v[1], clazz);
			e.fillInStackTrace();
			return e;
		} catch(JSONException e){
		}
		try {
			try{
				Exception e = (Exception)clazz.getConstructor(String.class).newInstance(v[1]);
				e.fillInStackTrace();
				return e;
			} catch(Exception e){
			}
			Exception e = (Exception)clazz.newInstance();
			e.fillInStackTrace();
			return e;
		} catch (IllegalArgumentException e) {
			return (Exception)new RuntimeException(json.format(fault));
		} catch (SecurityException e) {
			return (Exception)new RuntimeException(json.format(fault));
		} catch (InstantiationException e) {
			return (Exception)new RuntimeException(json.format(fault));
		} catch (IllegalAccessException e) {
			return (Exception)new RuntimeException(json.format(fault));
		}
	}

	public static RpcFault throwableToRpcFault(String faultCode, Throwable t){
		RpcFault f = new RpcFault();
		f.setFaultCode(faultCode);
		f.setFaultString(t.getClass().getName() + ":" + json.format(t));
		f.setDetail(ExceptionUtil.getMessageWithStackTrace(t));
		return f;
	}

	private static JSON json = new JSON(){
		protected boolean ignore(Context context, java.lang.Class target, java.lang.reflect.Member member) {
			if (member.getDeclaringClass().equals(Throwable.class)) return true;
			return super.ignore(context, target, member);
		};
	};
}