package org.springframework.boot.devtools.remote.server;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.http.server.ServletServerHttpResponse;
import org.springframework.util.Assert;
public class DispatcherFilter implements Filter {
private final Dispatcher dispatcher;
public DispatcherFilter(Dispatcher dispatcher) {
Assert.notNull(dispatcher, "Dispatcher must not be null");
this.dispatcher = dispatcher;
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
if (request instanceof HttpServletRequest && response instanceof HttpServletResponse) {
doFilter((HttpServletRequest) request, (HttpServletResponse) response, chain);
}
else {
chain.doFilter(request, response);
}
}
private void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
throws IOException, ServletException {
ServerHttpRequest serverRequest = new ServletServerHttpRequest(request);
ServerHttpResponse serverResponse = new ServletServerHttpResponse(response);
if (!this.dispatcher.handle(serverRequest, serverResponse)) {
chain.doFilter(request, response);
}
}
@Override
public void destroy() {
}
}