com.jalios.jcms.servlet
Class ExpiresFilter

java.lang.Object
  extended by com.jalios.jcms.servlet.JcmsServletFilter
      extended by com.jalios.jcms.servlet.ExpiresFilter
All Implemented Interfaces:
JcmsConstants, JaliosConstants, javax.servlet.Filter

public class ExpiresFilter
extends JcmsServletFilter
implements javax.servlet.Filter, JcmsConstants

Add HTTP Expires header to matching resources.

  <filter>
    <filter-name>ExpiresFilter</filter-name>
    <filter-class>com.jalios.jcms.servlet.ExpiresFilter</filter-class>
    <init-param>
      <description>The regular expression that will be used to match resource (default is ".*\.(jpg|png|gif|ico)$").</description>
      <param-name>pattern</param-name>
      <param-value>.*\.(jpg|png|gif|ico)$</param-value>
    </init-param>
    <init-param>
      <description>The expires duration to set when resource match, in milliseconds (default is 10 years).</description>
      <param-name>expires</param-name>
      <param-value>315360000000</param-value>
    </init-param>
  </filter>
 

Since:
jcms-6.1.2
Version:
$Revision: 27753 $

Field Summary
static String REVISION
           
 
Fields inherited from interface com.jalios.jcms.JcmsConstants
ADATE_SEARCH, ADMIN_NOTES_PROP, ADVANCED_TAB, ARCHIVES_DIR, ASCII_WIDTH, CATEGORY_TAB, CDATE_SEARCH, COMMON_ALARM, CONTENT_TAB, COOKIE_MAX_AGE, CRYPT_MD5, CRYPT_UNDEFINED, CRYPT_UNIX, CTRL_TOPIC_INTERNAL, CTRL_TOPIC_REF, CTRL_TOPIC_VALUE, CTRL_TOPIC_WRITE, CUSTOM_PROP, DOCCHOOSER_HEIGHT, DOCCHOOSER_WIDTH, DOCS_DIR, EDATE_SEARCH, EMAIL_REGEXP, ERROR_MSG, FORBIDDEN_FILE_ACCESS, FORBIDDEN_REDIRECT, FORCE_REDIRECT, ICON_ARCHIVE, ICON_LOCK, ICON_LOCK_STRONG, ICON_WARN, ICON_WH_BOOK_CLOSED, ICON_WH_BOOK_OPEN, INFORMATION_MSG, JALIOS_JUNIT_PROP, JCMS_CADDY, JCMS_MSG_LIST, JSYNC_DOWNLOAD_DIR, JSYNC_SYNC_ALARM, LOG_FILE, LOG_TOPIC_SECURITY, LOGGER_PROP, LOGGER_XMLPROP, MBR_PHOTO_DIR, MDATE_SEARCH, MONITOR_XML, OP_CREATE, OP_DEEP_COPY, OP_DEEP_DELETE, OP_DELETE, OP_MERGE, OP_UPDATE, PDATE_SEARCH, PHOTO_DIR, PHOTO_ICON, PHOTO_ICON_HEIGHT, PHOTO_ICON_WIDTH, PHOTO_LARGE, PHOTO_LARGE_HEIGHT, PHOTO_LARGE_WIDTH, PHOTO_NORMAL, PHOTO_NORMAL_HEIGHT, PHOTO_NORMAL_WIDTH, PHOTO_SMALL, PHOTO_SMALL_HEIGHT, PHOTO_SMALL_WIDTH, PHOTO_TINY, PHOTO_TINY_HEIGHT, PHOTO_TINY_WIDTH, PREVIOUS_TAB, PRINT_VIEW, PRIVATE_FILE_ACCESS, PUBLIC_FILE_ACCESS, READ_RIGHT_TAB, SDATE_SEARCH, SEARCHENGINE_ALARM, SESSION_AUTHORIZED_FILENAMES_SET, STATS_REPORT_DIR, STATUS_PROP, STORE_XML, TEMPLATE_TAB, THUMBNAIL_LARGE_HEIGHT, THUMBNAIL_LARGE_WIDTH, THUMBNAIL_SMALL_HEIGHT, THUMBNAIL_SMALL_WIDTH, UDATE_SEARCH, UPDATE_RIGHT_TAB, UPLOAD_DIR, URL_REGEXP, WARNING_MSG, WEBAPP_PROP, WFEXPRESS_ALARM, WFREMINDER_ALARM, WORKFLOW_TAB, WORKFLOW_XML
 
Fields inherited from interface com.jalios.util.JaliosConstants
CRLF, MILLIS_IN_ONE_DAY, MILLIS_IN_ONE_HOUR, MILLIS_IN_ONE_MINUTE, MILLIS_IN_ONE_MONTH, MILLIS_IN_ONE_SECOND, MILLIS_IN_ONE_WEEK, MILLIS_IN_ONE_YEAR
 
Constructor Summary
ExpiresFilter()
           
 
Method Summary
 void destroy()
           
 void doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)
           
 void init(javax.servlet.FilterConfig config)
           
 
Methods inherited from class com.jalios.jcms.servlet.JcmsServletFilter
initJSONBridge, processFilter
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

REVISION

public static final String REVISION
See Also:
Constant Field Values
Constructor Detail

ExpiresFilter

public ExpiresFilter()
Method Detail

init

public void init(javax.servlet.FilterConfig config)
Specified by:
init in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest req,
                     javax.servlet.ServletResponse res,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException
Specified by:
doFilter in interface javax.servlet.Filter
Throws:
IOException
javax.servlet.ServletException

destroy

public void destroy()
Specified by:
destroy in interface javax.servlet.Filter


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