package test;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.Charset;
import java.nio.charset.spi.CharsetProvider;
import java.util.Date;
import java.util.Iterator;
import java.util.ServiceLoader;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(urlPatterns = "/hello")
public class HelloServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("Execute Service");
out.println("Start
");
out.println(new Date().toString() + "
");
ServiceLoader loader = java.util.ServiceLoader
.load(java.nio.charset.spi.CharsetProvider.class);
Iterator iter = loader.iterator();
while (iter.hasNext()) {
CharsetProvider provider = iter.next();
Charset charset = provider.charsetForName("simple");
if (null != charset) {
out.println("OK: Found charset " + charset.displayName()
+ " in " + provider.toString());
} else {
out.println("Didn't find charset simple in "
+ provider.toString());
}
}
/*
* if (java.nio.charset.Charset.isSupported("simple")) {
* out.println("Supported!
"); } else {
* out.println("Not Supported!
"); }
*/
out.println("End
");
out.println("");
out.println("");
}
}