Example usage for javax.servlet.http HttpServletRequest getDateHeader

List of usage examples for javax.servlet.http HttpServletRequest getDateHeader

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  6. getDateHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getDateHeader.

Prototype

public long getDateHeader(String name);

Source Link

Document

Returns the value of the specified request header as a long value that represents a Date object.

Usage

From source file:com.mmd.mssp.util.WebUtil.java

/**
 *
 * @param request/* w  w w  . ja  v a  2  s  .co  m*/
 * @return   ??  -1
 */
public static long getIfModifiedSince(HttpServletRequest request) {
    try {
        long since = request.getDateHeader(IF_MODIFIED_SINCE);
        return since;
    } catch (Exception ex) {
        logger.warn("data time parse error ! :" + ex.getMessage());
    }
    return -1L;
}

From source file:com.ccf.util.ModDateHeaderUtil.java

/**
 * 1/* w  ww . ja  v  a  2  s  .c  o  m*/
 * @param request
 * @param response
 * @return
 */
public static boolean respondIfNotModifiedOneDay(HttpServletRequest request, HttpServletResponse response) {
    long sinceDate = request.getDateHeader("If-Modified-Since");
    // truncate to seconds
    long lastModifiedTimeMillis = System.currentTimeMillis() - 24 * 60 * 60 * 1000;
    log.debug("since date = " + sinceDate);
    log.debug("last mod date (trucated to seconds) = " + lastModifiedTimeMillis);
    if (lastModifiedTimeMillis <= sinceDate) {
        log.debug("NOT MODIFIED " + request.getRequestURL());
        //response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    } else {
        return false;
    }
}

From source file:com.ccf.util.ModDateHeaderUtil.java

/**
 * Sets the HTTP response status to 304 (NOT MODIFIED) if the request contains an
 * If-Modified-Since header that specifies a time that is
 * at or after the time specified by the value of lastModifiedTimeMillis
 * <em>truncated to second granularity</em>.  Returns true if
 * the response status was set, false if not.
 *
 * @param request//from   ww  w  . j a  v a2 s .c  o m
 * @param response
 * @param lastModifiedTimeMillis
 * @return true if a response status was sent, false otherwise.
 */
public static boolean respondIfNotModified(HttpServletRequest request, HttpServletResponse response,
        long lastModifiedTimeMillis) {
    long sinceDate = request.getDateHeader("If-Modified-Since");
    // truncate to seconds
    lastModifiedTimeMillis -= (lastModifiedTimeMillis % 1000);
    log.debug("since date = " + sinceDate);
    log.debug("last mod date (trucated to seconds) = " + lastModifiedTimeMillis);
    if (lastModifiedTimeMillis <= sinceDate) {
        log.debug("NOT MODIFIED " + request.getRequestURL());
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    } else {
        return false;
    }
}

From source file:org.apache.roller.weblogger.ui.rendering.util.ModDateHeaderUtil.java

/**
 * Sets the HTTP response status to 304 (NOT MODIFIED) if the request contains an
 * If-Modified-Since header that specifies a time that is
 * at or after the time specified by the value of lastModifiedTimeMillis
 * <em>truncated to second granularity</em>.  Returns true if
 * the response status was set, false if not.
 *
 * @param request/*from   ww w  .j a v a2  s . c  o m*/
 * @param response
 * @param lastModifiedTimeMillis
 * @return true if a response status was sent, false otherwise.
 */
public static boolean respondIfNotModified(HttpServletRequest request, HttpServletResponse response,
        long lastModifiedTimeMillis) {
    long sinceDate = 0;
    try {
        sinceDate = request.getDateHeader("If-Modified-Since");
    } catch (IllegalArgumentException ex) {
        // this indicates there was some problem parsing the header value as a date
        return false;
    }

    // truncate to seconds
    lastModifiedTimeMillis -= (lastModifiedTimeMillis % 1000);
    log.debug("since date = " + sinceDate);
    log.debug("last mod date (trucated to seconds) = " + lastModifiedTimeMillis);
    if (lastModifiedTimeMillis <= sinceDate) {
        log.debug("NOT MODIFIED " + request.getRequestURL());
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    } else {
        return false;
    }
}

From source file:com.dosport.system.utils.ServletUtils.java

/**
 * ??If-Modified-Since Header, ?./* w  w w.  ja  v  a2s.  c o m*/
 * 
 * , checkIfModifyfalse ,304 not modify status.
 * 
 * @param lastModified
 *            ?.
 */
public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response,
        long lastModified) {
    long ifModifiedSince = request.getDateHeader("If-Modified-Since");
    if ((ifModifiedSince != -1) && (lastModified < ifModifiedSince + 1000)) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return false;
    }
    return true;
}

From source file:com.handpay.ibenefit.framework.util.WebUtils.java

public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response,
        long lastModified) {
    long ifModifiedSince = request.getDateHeader("If-Modified-Since");
    if ((ifModifiedSince != -1) && (lastModified < ifModifiedSince + 1000)) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return false;
    }/*from w  ww .j  ava 2 s .c  o  m*/
    return true;
}

From source file:cc.sion.core.web.Servlets.java

/**
 * ??If-Modified-Since Header, ?.//w w w  . jav a 2s. c om
 *
 * , checkIfModifyfalse ,304 not modify status.
 *
 * @param lastModified ?.
 */
public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response,
        long lastModified) {
    long ifModifiedSince = request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE);
    if ((ifModifiedSince != -1) && (lastModified < (ifModifiedSince + 1000))) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return false;
    }
    return true;
}

From source file:cn.com.qiqi.order.utils.Servlets.java

/**
 * ??If-Modified-Since Header, ?.//from  w  ww .  j  a  v  a 2s  .  com
 * 
 * , checkIfModifyfalse ,304 not modify status.
 * 
 * @param lastModified ?.
 */
public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response,
        long lastModified) {
    long ifModifiedSince = request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE);
    if ((ifModifiedSince != -1) && (lastModified < ifModifiedSince + 1000)) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return false;
    }
    return true;
}

From source file:com.cnksi.core.web.utils.Servlets.java

/**
 * ??If-Modified-Since Header, ?.//  www  . java 2  s .c  o m
 * 
 * , checkIfModifyfalse ,304 not modify status.
 * 
 * @param lastModified ?.
 */
public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response,
        long lastModified) {

    long ifModifiedSince = request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE);
    if ((ifModifiedSince != -1) && (lastModified < ifModifiedSince + 1000)) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return false;
    }
    return true;
}

From source file:com.meltmedia.cadmium.servlets.FileServletTest.java

public static HttpServletRequest mockGetWithIfUnmodifiedSince(String pathInfo, Long lastModified) {
    HttpServletRequest request = mockGet(pathInfo);
    when(request.getDateHeader(IF_UNMODIFIED_SINCE_HEADER)).thenReturn(lastModified);
    return request;
}