org.dlese.dpc.index.writer
Class WebLogWriter

java.lang.Object
  org.dlese.dpc.index.writer.WebLogWriter

All Implemented Interfaces:

DocWriter

public class WebLogWriter
extends Object
implements DocWriter

Writes a Lucene Document that holds information about a client request to an HTTP servlet.
The Lucene Document fields that are created by this class are:

requestdate - The date of the client request. Stored.
requesturl - The URL and query the client requested. Stored.
remotehost - The requesting client's host name or IP address. Stored.
notes - Free text notes related to this log entry. Stored.
doctype - The document format type, which is 'weblog,' with '0' appended to support wildcard searching.
readerclass - The class which is used to read Documents created by this writer, which is 'WebLogReader'.
admindefaultfield - The default field that holds all content for searching. 'WebLogReader'.

Author:

John Weatherley

See Also:

WebLogReader

Constructor Summary

WebLogWriter()
Constructor for the WebLogWriter object

Method Summary

protected void	addToAdminDefaultField(String value, StringBuffer adminDefaultBuffer) Adds the given String to a text field referenced in the index by the field name 'default'.
String	getDocType() Gets doctype, which is "weblog".
String	getReaderClass() Gets the name of the concrete DocReader class that is used to read this type of Document, which is "WebLogReader".
org.apache.lucene.document.Document	log(HttpServletRequest request) Create a log entry Document.
org.apache.lucene.document.Document	log(HttpServletRequest request, String notes) Create a log entry Document, storing and indexing the given notes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WebLogWriter

public WebLogWriter()

Constructor for the WebLogWriter object

Method Detail

getDocType

public String getDocType()

Gets doctype, which is "weblog".

Specified by:

getDocType in interface DocWriter

Returns:

The String "weblog".

getReaderClass

public String getReaderClass()

Gets the name of the concrete DocReader class that is used to read this type of Document, which is "WebLogReader".

Specified by:

getReaderClass in interface DocWriter

Returns:

The String "WebLogReader".

log

public final org.apache.lucene.document.Document log(HttpServletRequest request)

Create a log entry Document.

Parameters:

request - The HTTP request.

Returns:

A Document for indexing the request.

log

public final org.apache.lucene.document.Document log(HttpServletRequest request,
                                                     String notes)

Create a log entry Document, storing and indexing the given notes.

Parameters:

request - The HTTP request.

notes - Notes about this web log entry.

Returns:

A Document for indexing the request.

addToAdminDefaultField

protected final void addToAdminDefaultField(String value,
                                            StringBuffer adminDefaultBuffer)

Adds the given String to a text field referenced in the index by the field name 'default'. The default field may be used in queries to quickly search for text across fields. This method should be called from the addCustomFields of implementing classes.

Parameters:

value - A text string to be added to the indexed field named 'default.'

adminDefaultBuffer - The feature to be added to the ToDefaultField attribute