TreeFilterServletAllExhibits (DHD Multimedia Gallery V1.60.69 Javadoc)

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org.hd.d.pg2k.webSvr.catalogue
Class TreeFilterServletAllExhibits

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.hd.d.pg2k.webSvr.catalogue.TreeFilterServletBase
              org.hd.d.pg2k.webSvr.catalogue.TreeFilterServletAllExhibits

All Implemented Interfaces:: java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public final class TreeFilterServletAllExhibits
extends TreeFilterServletBase
extends TreeFilterServletBase

Servlet to do filtering and selection of one tree of exhibits for display. This class gathers all exhibits for display in a tree.

This will forward all hits one way or another to a JSP (or another servlet) for display.

See Also:: Serialized Form

Field Summary
`private static long`	`serialVersionUID` Unique Serialisation class ID generated by http://random.hd.org/.

Constructor Summary
`TreeFilterServletAllExhibits()`

Method Summary
`protected java.lang.String`	`getDescriptionCommonCatalogueName()` Get descriptive text (i18n-ed if possible); null if none.
`protected Expr`	`getFilter()` Get the filter expression to apply.
`protected java.lang.String`	`getTitleCommonCatalogueName()` Get (short) title text common catalogue name; null if none.

Methods inherited from class org.hd.d.pg2k.webSvr.catalogue.TreeFilterServletBase
`destroy, doGet, getBreadcrumbs, init, makeOfficialURI, redirectIfCanonicalisationNeeded`

Methods inherited from class javax.servlet.http.HttpServlet
`doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service`

Methods inherited from class javax.servlet.GenericServlet
`getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

serialVersionUID

private static final long serialVersionUID

Unique Serialisation class ID generated by http://random.hd.org/.

See Also:: Constant Field Values

Constructor Detail

TreeFilterServletAllExhibits

public TreeFilterServletAllExhibits()

Method Detail

getFilter

protected Expr getFilter()

Get the filter expression to apply. Defaults to accept everything.

Override in derived classes.

Specified by:: getFilter in class TreeFilterServletBase

getTitleCommonCatalogueName

protected java.lang.String getTitleCommonCatalogueName()

Get (short) title text common catalogue name; null if none. The expanded text should be 7-bit printable ASCII, possibly with embedded entities and mark-up.