com.jalios.jcms.servlet

Class ExpiresFilter

java.lang.Object

com.jalios.jcms.servlet.JcmsServletFilter

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: 72474 $

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REVISION

Fields inherited from interface com.jalios.jcms.JcmsConstants

ADATE_SEARCH, ADMIN_NOTES_PROP, ADVANCED_TAB, AJAX_MODE_ATTR, ARCHIVES_DIR, ASCII_WIDTH, CATEGORY_TAB, CDATE_SEARCH, COMMON_ALARM, CONTENT_TAB, COOKIE_MAX_AGE, COUNTRY_SPRITE, 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, GLYPH_ICON_PREFIX, ICON_ARCHIVE, ICON_ICON_PREFIX, ICON_LOCK, ICON_LOCK_STRONG, ICON_PREFIX_PROP, 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, LANG_SPRITE, LOG_FILE, LOG_TOPIC_SECURITY, LOGGER_PROP, LOGGER_XMLPROP, MBR_PHOTO_DIR, MDATE_SEARCH, MONITOR_XML, OP_CREATE, OP_CREATE_STR, OP_DEEP_COPY, OP_DEEP_COPY_STR, OP_DEEP_DELETE, OP_DEEP_DELETE_STR, OP_DELETE, OP_DELETE_STR, OP_MERGE, OP_MERGE_STR, OP_UPDATE, OP_UPDATE_STR, PDATE_SEARCH, PHOTO_DIR, PHOTO_ICON, PHOTO_ICON_HEIGHT, PHOTO_ICON_PROP_PREFIX, PHOTO_ICON_WIDTH, PHOTO_LARGE, PHOTO_LARGE_HEIGHT, PHOTO_LARGE_PROP_PREFIX, PHOTO_LARGE_WIDTH, PHOTO_NORMAL, PHOTO_NORMAL_HEIGHT, PHOTO_NORMAL_PROP_PREFIX, PHOTO_NORMAL_WIDTH, PHOTO_SMALL, PHOTO_SMALL_HEIGHT, PHOTO_SMALL_PROP_PREFIX, PHOTO_SMALL_WIDTH, PHOTO_TINY, PHOTO_TINY_HEIGHT, PHOTO_TINY_PROP_PREFIX, PHOTO_TINY_WIDTH, PREVIOUS_TAB, PRINT_VIEW, PRIVATE_FILE_ACCESS, PUBLIC_FILE_ACCESS, READ_RIGHT_TAB, SDATE_SEARCH, SEARCHENGINE_ALARM, SESSION_AUTHORIZED_FILENAMES_SET, SPRITE_ICON_PREFIX, STATS_REPORT_DIR, STATUS_PROP, STORE_XML, SUCCESS_MSG, TEMPLATE_TAB, THUMBNAIL_LARGE_HEIGHT, THUMBNAIL_LARGE_WIDTH, THUMBNAIL_SMALL_HEIGHT, THUMBNAIL_SMALL_WIDTH, TTCARD_MEDIA_HEIGHT, TTCARD_MEDIA_WIDTH, TYPES_ICON_ALT_PROP, TYPES_ICON_SUFFIX_PROP, TYPES_ICON_TITLE_PROP, TYPES_PREFIX_PROP, TYPES_THUMB_SUFFIX_PROP, 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

Constructors

Constructor and Description
ExpiresFilter()

Method Summary

Methods

Modifier and Type	Method and Description
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

endFilter, 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 java.lang.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 java.io.IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

java.io.IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter