Example usage for javax.servlet.http HttpServletResponse getWriter

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse getWriter.

Prototype

public PrintWriter getWriter() throws IOException;

Source Link

Document

Returns a PrintWriter object that can send character text to the client.

Usage

From source file:SiteSelector.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    int siteIndex = Math.abs(random.nextInt()) % sites.size();
    String site = sites.elementAt(siteIndex);

    res.setStatus(res.SC_MOVED_TEMPORARILY);
    res.setHeader("Location", site);
}

From source file:com.indoqa.osgi.embedded.sample.webapp.SampleServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    PrintWriter writer = resp.getWriter();

    DateServiceProvider dateServiceProvider = this.applicationContext.getBean(DateServiceProvider.class);
    if (dateServiceProvider == null) {
        writer.write("\nCouldn't find bean of type " + DateService.class.getName());
    } else {/*from www.  ja  v  a  2  s.c  om*/
        DateService[] dateServices = dateServiceProvider.getDateServices();
        writer.write("\nFound " + dateServices.length + " date service instance(s).");

        for (DateService eachDateService : dateServices) {
            writer.write("\n* DateService output: " + eachDateService.getDate());
        }
    }
}

From source file:org.cloudfoundry.samples.handson.ex4.EnvVariablesController.java

/**
 * Use the out variable to dump the contents of the environment variables.
 * //from w  w  w .j a v  a  2  s  .c  o  m
 * Notice how CloudFoundry instructs the app about services it provides
 * inside variables named {@code VCAP_something}.
 */
@RequestMapping("/ex4")
public void dump(HttpServletResponse response) throws Exception {
    @SuppressWarnings("unused")
    PrintWriter out = response.getWriter();

    Map<String, String> env = System.getenv();
    for (Entry<String, String> envi : env.entrySet()) {
        out.write(envi.getKey() + " => " + envi.getValue() + "\n");
    }

    // ...
}

From source file:com.xqdev.jam.MLJAM.java

private static void sendServerProblemResponse(HttpServletResponse res, String s) throws IOException {
    // Commenting out the status code because we want the client to eval the error() call
    //res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    res.setContentType("x-marklogic/xquery; charset=UTF-8");
    if (s != null && s.length() > 4096) { // Cap super long errors
        s = s.substring(0, 2048) + " ...[trimmed]... " + s.substring(s.length() - 2048);
    }/* w  w  w.j  ava  2s  . co  m*/
    Writer writer = res.getWriter();
    writer.write("error('" + escapeSingleQuotes(s) + "')");
    writer.flush();
}

From source file:AuthenticationSnoop.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    out.println("<HTML><BODY>");

    out.println("<H1>This is a password protected resource</H1>");
    out.println("<PRE>");
    out.println("User Name: " + req.getRemoteUser());
    String name = (req.getUserPrincipal() == null) ? null : req.getUserPrincipal().getName();
    out.println("Principal Name: " + name);
    out.println("Authentication Type: " + req.getAuthType());
    out.println("Is a Manager: " + req.isUserInRole("manager"));
    out.println("</PRE>");
    out.println("</BODY></HTML>");
}

From source file:localdomain.localhost.JclDemoServlet.java

protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    PrintWriter writer = resp.getWriter();

    writer.println("<html>");
    writer.println("<head><title>Jakarta Commons Logging Demo Servlet</title></head>");
    writer.println("<body><h1>Jakarta Commons Logging Demo Servlet</h1>");
    writer.println("<h2>JCL messages</h2>");
    writer.println(// w  w w  .j  av  a  2  s .co m
            "<p>Output TRACE, DEBUG, INFO, WARN, ERROR, FATAL messages to commons-logging logger " + logger);
    logger.trace("Trace message");
    logger.debug("Debug message");
    logger.info("Info message");
    logger.warn("Warn message");
    logger.error("Error message");
    logger.fatal("Fatal message");
    writer.println("</body></html>");

}

From source file:MyServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();

    out.println("Request Headers:");
    out.println();/*ww  w  .  j av  a  2  s . c o m*/
    Enumeration names = req.getHeaderNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        Enumeration values = req.getHeaders(name); // support multiple values
        if (values != null) {
            while (values.hasMoreElements()) {
                String value = (String) values.nextElement();
                out.println(name + ": " + value);
            }
        }
    }
}

From source file:MyServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();

    count++;/* w w  w  .j a  va2s.c om*/
    out.println("Since loading, this servlet instance has been accessed " + count + " times.");

    // Keep track of the instance count by putting a reference to this
    // instance in a Hashtable. Duplicate entries are ignored.
    // The size() method returns the number of unique instances stored.
    instances.put(this, this);
    out.println("There are currently " + instances.size() + " instances.");

    classCount++;
    out.println("Across all instances, this servlet class has been " + "accessed " + classCount + " times.");
}

From source file:MyServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    // Get the client's hostname
    String remoteHost = req.getRemoteHost();

    out.println("remoteHost:" + remoteHost);
    // See if the client is allowed
    if (!isHostAllowed(remoteHost)) {
        out.println("Access <BLINK>denied</BLINK>");
    } else {/*ww  w.j  a v a2 s . c  o  m*/
        out.println("Access granted");
        // Display download links, etc...
    }
}

From source file:ExportRestriction.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    // Get the client's hostname
    String remoteHost = req.getRemoteHost();

    // See if the client is allowed
    if (!isHostAllowed(remoteHost)) {
        out.println("Access <BLINK>denied</BLINK>");
    } else {//www  . j ava2s.co  m
        out.println("Access granted");
        // Display download links, etc...
    }
}