本文整理汇总了Java中org.apache.hadoop.hdfs.server.common.JspHelper.validateLong方法的典型用法代码示例。如果您正苦于以下问题：Java JspHelper.validateLong方法的具体用法？Java JspHelper.validateLong怎么用？Java JspHelper.validateLong使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.common.JspHelper的用法示例。
在下文中一共展示了JspHelper.validateLong方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: _jspService
import org.apache.hadoop.hdfs.server.common.JspHelper; //导入方法依赖的package包/类
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("application/xml");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
NameNode nn = NameNodeHttpServer.getNameNodeFromContext(application);
String namenodeRole = nn.getRole().toString();
FSNamesystem fsn = nn.getNamesystem();
Long blockId = null;
try {
blockId = JspHelper.validateLong(request.getParameter("blockId"));
} catch(NumberFormatException e) {
blockId = null;
}
XMLBlockInfo bi = new XMLBlockInfo(fsn, blockId);
XMLOutputter doc = new XMLOutputter(out, "UTF-8");
bi.toXML(doc);
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}