本文整理汇总了Java中org.apache.jasper.Constants.PRECOMPILE属性的典型用法代码示例。如果您正苦于以下问题：Java Constants.PRECOMPILE属性的具体用法？Java Constants.PRECOMPILE怎么用？Java Constants.PRECOMPILE使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.jasper.Constants的用法示例。
在下文中一共展示了Constants.PRECOMPILE属性的3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: preCompile
/**
* <p>Look for a <em>precompilation request</em> as described in
* Section 8.4.2 of the JSP 1.2 Specification. <strong>WARNING</strong> -
* we cannot use <code>request.getParameter()</code> for this, because
* that will trigger parsing all of the request parameters, and not give
* a servlet the opportunity to call
* <code>request.setCharacterEncoding()</code> first.</p>
*
* @param request The servlet request we are processing
*
* @exception ServletException if an invalid parameter value for the
* <code>jsp_precompile</code> parameter name is specified
*/
boolean preCompile(HttpServletRequest request) throws ServletException {
String queryString = request.getQueryString();
if (queryString == null) {
return (false);
}
int start = queryString.indexOf(Constants.PRECOMPILE);
if (start < 0) {
return (false);
}
queryString =
queryString.substring(start + Constants.PRECOMPILE.length());
if (queryString.length() == 0) {
return (true); // ?jsp_precompile
}
if (queryString.startsWith("&")) {
return (true); // ?jsp_precompile&foo=bar...
}
if (!queryString.startsWith("=")) {
return (false); // part of some other name or value
}
int limit = queryString.length();
int ampersand = queryString.indexOf('&');
if (ampersand > 0) {
limit = ampersand;
}
String value = queryString.substring(1, limit);
if (value.equals("true")) {
return (true); // ?jsp_precompile=true
} else if (value.equals("false")) {
// Spec says if jsp_precompile=false, the request should not
// be delivered to the JSP page; the easiest way to implement
// this is to set the flag to true, and precompile the page anyway.
// This still conforms to the spec, since it says the
// precompilation request can be ignored.
return (true); // ?jsp_precompile=false
} else {
throw new ServletException("Cannot have request parameter " +
Constants.PRECOMPILE + " set to " +
value);
}
}
示例2: preCompile
/**
* <p>Look for a <em>precompilation request</em> as described in
* Section 8.4.2 of the JSP 1.2 Specification. <strong>WARNING</strong> -
* we cannot use <code>request.getParameter()</code> for this, because
* that will trigger parsing all of the request parameters, and not give
* a servlet the opportunity to call
* <code>request.setCharacterEncoding()</code> first.</p>
*
* @param request The servlet requset we are processing
*
* @exception ServletException if an invalid parameter value for the
* <code>jsp_precompile</code> parameter name is specified
*/
boolean preCompile(HttpServletRequest request) throws ServletException {
String queryString = request.getQueryString();
if (queryString == null) {
return (false);
}
int start = queryString.indexOf(Constants.PRECOMPILE);
if (start < 0) {
return (false);
}
queryString =
queryString.substring(start + Constants.PRECOMPILE.length());
if (queryString.length() == 0) {
return (true); // ?jsp_precompile
}
if (queryString.startsWith("&")) {
return (true); // ?jsp_precompile&foo=bar...
}
if (!queryString.startsWith("=")) {
return (false); // part of some other name or value
}
int limit = queryString.length();
int ampersand = queryString.indexOf("&");
if (ampersand > 0) {
limit = ampersand;
}
String value = queryString.substring(1, limit);
if (value.equals("true")) {
return (true); // ?jsp_precompile=true
} else if (value.equals("false")) {
// Spec says if jsp_precompile=false, the request should not
// be delivered to the JSP page; the easiest way to implement
// this is to set the flag to true, and precompile the page anyway.
// This still conforms to the spec, since it says the
// precompilation request can be ignored.
return (true); // ?jsp_precompile=false
} else {
throw new ServletException("Cannot have request parameter " +
Constants.PRECOMPILE + " set to " +
value);
}
}
示例3: preCompile
/**
* <p>
* Look for a <em>precompilation request</em> as described in Section 8.4.2
* of the JSP 1.2 Specification. <strong>WARNING</strong> - we cannot use
* <code>request.getParameter()</code> for this, because that will trigger
* parsing all of the request parameters, and not give a servlet the
* opportunity to call <code>request.setCharacterEncoding()</code> first.
* </p>
*
* @param request
* The servlet request we are processing
*
* @exception ServletException
* if an invalid parameter value for the
* <code>jsp_precompile</code> parameter name is specified
*/
boolean preCompile(HttpServletRequest request) throws ServletException {
String queryString = request.getQueryString();
if (queryString == null) {
return (false);
}
int start = queryString.indexOf(Constants.PRECOMPILE);
if (start < 0) {
return (false);
}
queryString = queryString.substring(start + Constants.PRECOMPILE.length());
if (queryString.length() == 0) {
return (true); // ?jsp_precompile
}
if (queryString.startsWith("&")) {
return (true); // ?jsp_precompile&foo=bar...
}
if (!queryString.startsWith("=")) {
return (false); // part of some other name or value
}
int limit = queryString.length();
int ampersand = queryString.indexOf('&');
if (ampersand > 0) {
limit = ampersand;
}
String value = queryString.substring(1, limit);
if (value.equals("true")) {
return (true); // ?jsp_precompile=true
} else if (value.equals("false")) {
// Spec says if jsp_precompile=false, the request should not
// be delivered to the JSP page; the easiest way to implement
// this is to set the flag to true, and precompile the page anyway.
// This still conforms to the spec, since it says the
// precompilation request can be ignored.
return (true); // ?jsp_precompile=false
} else {
throw new ServletException("Cannot have request parameter " + Constants.PRECOMPILE + " set to " + value);
}
}