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common-smartgears/src/main/java/org/gcube/smartgears/extensions/RequestExceptionBarrier.java

49 lines
1.1 KiB
Java

package org.gcube.smartgears.extensions;
import java.io.IOException;
import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.gcube.smartgears.handlers.application.request.RequestException;
import org.gcube.smartgears.utils.Utils;
/**
* A {@link Filter} that maps {@link RequestException}s onto error responses.
*
*
* @author Fabio Simeoni
*
*/
public class RequestExceptionBarrier implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException {
try {
chain.doFilter(request, response);
} catch (Throwable t) {
Utils.handleError(HttpServletRequest.class.cast(request), HttpServletResponse.class.cast(response), t);
}
}
@Override
public void destroy() {
}
}