net.redpipe.engine.resteasy.DefaultExceptionMapper Maven / Gradle / Ivy

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package net.redpipe.engine.resteasy;

import java.io.PrintWriter;
import java.io.StringWriter;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

@Provider
public class DefaultExceptionMapper implements ExceptionMapper {

	@Override
	public Response toResponse(Throwable exception) {
		StringWriter writer = new StringWriter();
		PrintWriter printWriter = new PrintWriter(writer);
		exception.printStackTrace(printWriter);
		// FIXME: this should really end up in a template.
		String text = 
				""+
						" Error: "+exception.getMessage()+""+
						" Error: "+exception.getMessage()+""+
						" "+writer.toString()+
						" ";
		if(exception instanceof WebApplicationException) {
			Response ret = ((WebApplicationException) exception).getResponse();
			// FIXME: probably we don't want to ignore exception entities for exceptions not from resteasy?
			return Response.status(ret.getStatus()).entity(text).type(MediaType.TEXT_HTML).build();
		}
		return Response.status(Status.INTERNAL_SERVER_ERROR).entity(text).type(MediaType.TEXT_HTML).build();
	}

}