edu.usu.sdl.opencatalog.web.extension.OpenCatalogExceptionHandler.java Source code

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Here is the source code for edu.usu.sdl.opencatalog.web.extension.OpenCatalogExceptionHandler.java

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/*
 * Copyright 2014 Space Dynamics Laboratory - Utah State University Research Foundation.
 *
 * 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 edu.usu.sdl.opencatalog.web.extension;

import com.fasterxml.jackson.databind.ObjectMapper;
import edu.usu.sdl.opencatalog.exception.OpenCatalogRuntimeException;
import edu.usu.sdl.opencatalog.web.viewmodel.SystemErrorModel;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.MediaType;
import net.sourceforge.stripes.action.ActionBean;
import net.sourceforge.stripes.action.Resolution;
import net.sourceforge.stripes.action.StreamingResolution;
import net.sourceforge.stripes.controller.StripesConstants;
import net.sourceforge.stripes.exception.DefaultExceptionHandler;

/**
 *  Translate Errors into something the front-end can handle
 * @author dshurtleff
 */
public class OpenCatalogExceptionHandler extends DefaultExceptionHandler {
    private final SystemErrorModel systemErrorModel = new SystemErrorModel();

    public Resolution handleOpenCatalogException(OpenCatalogRuntimeException error, HttpServletRequest request,
            HttpServletResponse response) {
        systemErrorModel.setPotentialResolution(error.getPotentialResolution());
        return handleAll(error, request, response);
    }

    public Resolution handleAll(Throwable error, HttpServletRequest request, HttpServletResponse response) {
        ActionBean action = (ActionBean) request.getAttribute(StripesConstants.REQ_ATTR_ACTION_BEAN);

        //TODO: Generate Error Ticket
        // Capture all request information, stacktraces, user info
        if (action != null) {

        }

        //Strip and senstive info (See Checklist Q: 410)

        systemErrorModel.setMessage(error.getLocalizedMessage());

        final ObjectMapper objectMapper = new ObjectMapper();
        return new StreamingResolution(MediaType.APPLICATION_JSON) {

            @Override
            protected void stream(HttpServletResponse response) throws Exception {
                objectMapper.writeValue(response.getOutputStream(), systemErrorModel);
            }
        };
    }

}