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package com.oracle.hk2.devtest.isolation.web.iso2;
import java.io.IOException;
import java.io.PrintWriter;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.glassfish.hk2.api.ServiceLocator;
/**
* Simple returns the name of the HABITAT property
*
* @author jwells
*/
public class Iso2Servlet extends HttpServlet {
/**
* For serialization
*/
private static final long serialVersionUID = -9177540431267005946L;
private static final String HABITAT_ATTRIBUTE = "org.glassfish.servlet.habitat";
private static final String JNDI_APP_LOOKUP = "java:app/hk2/ServiceLocator";
private static final String SERVLET_CONTEXT_LOCATOR = "ServletContextLocator=";
private static final String JNDI_APP_LOCATOR = "JndiAppLocator=";
private String getJndiAppLocatorName() {
try {
Context context = new InitialContext();
ServiceLocator retVal = (ServiceLocator) context.lookup(JNDI_APP_LOOKUP);
return retVal.getName();
}
catch (NamingException ne) {
return null;
}
}
/**
* Just prints out the value of the ServiceLocator getName
*/
@Override
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
ServletContext context = getServletContext();
ServiceLocator locator = (ServiceLocator) context.getAttribute(HABITAT_ATTRIBUTE);
String reply1 = SERVLET_CONTEXT_LOCATOR + ((locator == null) ? "null" : locator.getName());
String jndiAppLocatorName = getJndiAppLocatorName();
String reply2 = JNDI_APP_LOCATOR + ((jndiAppLocatorName == null) ? "null" : jndiAppLocatorName);
response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.println("<html>");
writer.println("<head>");
writer.println("<title>Iso2 WebApp</title>");
writer.println("</head>");
writer.println("<body>");
writer.println(reply1);
writer.println(reply2);
writer.println("</body>");
writer.println("</html>");
}
}