com.threewks.thundr.servlet.ServletHttpStatusExceptionViewResolver Maven / Gradle / Ivy

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Servlet 2.5 support for the thundr web framework

There is a newer version: 3.0.0-rc1

/*
 * This file is a component of thundr, a software library from 3wks.
 * Read more: http://3wks.github.io/thundr/
 * Copyright (C) 2015 3wks, 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.threewks.thundr.servlet;

import javax.servlet.http.HttpServletResponse;

import com.threewks.thundr.http.exception.HttpStatusException;
import com.threewks.thundr.request.Response;
import com.threewks.thundr.view.ViewResolutionException;
import com.threewks.thundr.view.exception.HttpStatusExceptionViewResolver;

public class ServletHttpStatusExceptionViewResolver extends HttpStatusExceptionViewResolver {
	@Override
	protected void sendError(Response resp, HttpStatusException viewResult) {
		HttpServletResponse rawResp = resp.getRawResponse(HttpServletResponse.class);
		if (rawResp == null) {
			super.sendError(resp, viewResult);
		} else {
			try {
				rawResp.sendError(viewResult.getStatus().getCode(), viewResult.getMessage());
			} catch (Exception e) {
				throw new ViewResolutionException(e, "Failed to send error status %d", viewResult.getStatus());
			}
		}
	}
	
	@Override
	public String toString() {
		return this.getClass().getSimpleName();
	}
}