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:com.baoqilai.core.util.WebUtils.java

/**
 * JSON,Jackson?Java.//  w  w  w .  ja va  2  s  .  com
 * 
 * @param data
 *            ?List<POJO>, POJO[], POJO, ?Map??.
 * @see #render(String, String, String...)
 */
public static void renderJson(final Object data, final String... headers) {
    HttpServletResponse response = initResponseHeader(JSON_TYPE, headers);
    try {
        mapper.writeValue(response.getWriter(), data);
    } catch (Exception e) {
        logger.warn(e.getMessage(), e);
    }
}

From source file:de.xwic.appkit.webbase.modules.ModuleProviderServlet.java

/**
 * respond with given status code/*from  w  w  w  . j a  v a 2s  . c  o m*/
 *
 * @param message
 * @param status
 * @param response
 * @throws IOException
 */
private static void error(String message, int status, HttpServletResponse response) throws IOException {
    response.setStatus(status);
    response.setContentType("application/json");
    response.getWriter().println("{ \"error\" : \"" + message + "\", " + "\"status\" : " + status + "}");
}

From source file:com.eryansky.common.web.utils.DownloadUtils.java

/**
 * //from w w w .  j  av  a2  s . c o  m
 * @param request
 * @param response
 * @param displayName ??
 * @param bytes 
 * @throws IOException
 */
public static void download(HttpServletRequest request, HttpServletResponse response, byte[] bytes,
        String displayName) throws IOException {
    if (ArrayUtils.isEmpty(bytes)) {
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("utf-8");
        response.getWriter().write("??");
        return;
    }
    download(request, response, new ByteArrayInputStream(bytes), displayName);
}

From source file:com.yuga.common.web.Servlets.java

public static void print(HttpServletResponse resp, String msg) {
    PrintWriter pw;//from  w  ww . j  av  a2 s .c  o m
    try {
        pw = resp.getWriter();
        pw.write(msg);
        pw.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:net.shopxx.util.JsonUtil.java

/**
 * ?JSON?//from   w  ww  .  j a  v a  2 s  .com
 * @param response HttpServletResponse
 * @param contentType contentType
 * @param object 
 */
public static void toJson(HttpServletResponse response, String contentType, Object value) {
    Assert.notNull(response);
    Assert.notNull(contentType);
    Assert.notNull(value);
    try {
        response.setContentType(contentType);
        mapper.writeValue(response.getWriter(), value);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.lushapp.common.web.utils.DownloadUtils.java

public static void download(HttpServletRequest request, HttpServletResponse response, String displayName,
        byte[] bytes) throws IOException {

    if (ArrayUtils.isEmpty(bytes)) {
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("utf-8");
        response.getWriter().write("??");
        return;//  www.  ja v a 2 s. c o m
    }

    response.reset();
    WebUtils.setNoCacheHeader(response);

    response.setContentType("application/x-download");
    response.setContentLength((int) bytes.length);

    String displayFilename = displayName.substring(displayName.lastIndexOf("_") + 1);
    displayFilename = displayFilename.replace(" ", "_");
    WebUtils.setDownloadableHeader(request, response, displayFilename);
    BufferedInputStream is = null;
    OutputStream os = null;
    try {

        os = response.getOutputStream();
        is = new BufferedInputStream(new ByteArrayInputStream(bytes));
        IOUtils.copy(is, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:com.sunway.cbm.util.ServletUtils.java

/**
 * ?//w  w w .  j  a  va  2 s  .  c o  m
 * 
 * @param response
 * @param object
 */
public static void responseText(HttpServletResponse response, String text) {
    try {
        response.getWriter().write(text);
        response.getWriter().flush();
        response.getWriter().close();
    } catch (IOException e) {

    }
}

From source file:info.magnolia.module.servletsanity.support.ServletAssert.java

public static void flush(HttpServletResponse response) throws IOException {
    StringBuffer sb = tls.get();// w w  w .  j  ava2 s . c o m
    if (sb != null) {
        response.getWriter().write(sb.toString());
        response.getWriter().write("TEST COMPLETED<br/>");
        response.getWriter().flush();
        response.flushBuffer();
        tls.set(new StringBuffer());
    }
}

From source file:com.jeysan.modules.utils.web.struts2.Struts2Utils.java

/**
 * JSON,Jackson?Java./*ww w .  j ava 2 s.  co m*/
 * 
 * @param data ?List<POJO>, POJO[], POJO, ?Map??.
 * @see #render(String, String, String...)
 */
public static void renderJson(final Object data, final String... headers) {
    HttpServletResponse response = initResponseHeader(ServletUtils.JSON_TYPE, headers);
    try {
        mapper.writeValue(response.getWriter(), data);
    } catch (IOException e) {
        e.printStackTrace();
        throw new IllegalArgumentException(e);
    }
}

From source file:de.xwic.appkit.webbase.modules.ModuleProviderServlet.java

/**
 * 200 and send content/*from   w  w w  . j ava 2s.  co m*/
 *
 * @param content
 * @param response
 * @throws IOException
 * @throws JSONException
 */
private static void ok(JSONObject content, HttpServletResponse response) throws IOException, JSONException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType("application/json");
    response.getWriter().println(content.toString(2));
}