本文整理匯總了Java中javax.servlet.http.HttpServletRequest.getDateHeader方法的典型用法代碼示例。如果您正苦於以下問題：Java HttpServletRequest.getDateHeader方法的具體用法？Java HttpServletRequest.getDateHeader怎麽用？Java HttpServletRequest.getDateHeader使用的例子？那麽恭喜您, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.servlet.http.HttpServletRequest的用法示例。
在下文中一共展示了HttpServletRequest.getDateHeader方法的18個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於我們的係統推薦出更棒的Java代碼示例。
示例1: checkIfModifiedSince
點讚 3
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
* Check if the if-modified-since condition is satisfied.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param resourceAttributes File object
* @return boolean true if the resource meets the specified condition,
* and false if the condition is not satisfied, in which case request
* processing is stopped
*/
protected boolean checkIfModifiedSince(HttpServletRequest request,
HttpServletResponse response,
ResourceAttributes resourceAttributes) {
try {
long headerValue = request.getDateHeader(“If-Modified-Since”);
long lastModified = resourceAttributes.getLastModified();
if (headerValue != -1) {
// If an If-None-Match header has been specified, if modified since
// is ignored.
if ((request.getHeader(“If-None-Match”) == null)
&& (lastModified < headerValue + 1000)) {
// The entity has not been modified since the date
// specified by the client. This is not an error case.
response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
response.setHeader(“ETag”, resourceAttributes.getETag());
return false;
}
}
} catch (IllegalArgumentException illegalArgument) {
return true;
}
return true;
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:37，
示例2: checkIfUnmodifiedSince
點讚 3
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
* Check if the if-unmodified-since condition is satisfied.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param resourceAttributes File object
* @return boolean true if the resource meets the specified condition,
* and false if the condition is not satisfied, in which case request
* processing is stopped
*/
protected boolean checkIfUnmodifiedSince(HttpServletRequest request,
HttpServletResponse response,
ResourceAttributes resourceAttributes)
throws IOException {
try {
long lastModified = resourceAttributes.getLastModified();
long headerValue = request.getDateHeader(“If-Unmodified-Since”);
if (headerValue != -1) {
if ( lastModified >= (headerValue + 1000)) {
// The entity has not been modified since the date
// specified by the client. This is not an error case.
response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
return false;
}
}
} catch(IllegalArgumentException illegalArgument) {
return true;
}
return true;
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:32，
示例3: download
點讚 3
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@RequestMapping(value = “/download”)
public void download(HttpServletRequest request, HttpServletResponse response) throws Exception {
request = wrapRequest(request);
org.airsonic.player.domain.User user = securityService.getCurrentUser(request);
if (!user.isDownloadRole()) {
error(request, response, ErrorCode.NOT_AUTHORIZED, user.getUsername() + ” is not authorized to download files.”);
return;
}
long ifModifiedSince = request.getDateHeader(“If-Modified-Since”);
long lastModified = downloadController.getLastModified(request);
if (ifModifiedSince != -1 && lastModified != -1 && lastModified <= ifModifiedSince) {
response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
if (lastModified != -1) {
response.setDateHeader(“Last-Modified”, lastModified);
}
downloadController.handleRequest(request, response);
}
開發者ID:airsonic，項目名稱:airsonic，代碼行數:24，
示例4: checkModifiedSince
點讚 3
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
public boolean checkModifiedSince(HttpServletRequest request, HttpServletResponse response, long lastMo