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OAICat version file. This file records major changes to the OAICat software.

2011-04-22 1.5.59
Bug Fix:
- Close java.sql.Statements after use in ExtendedJDBCOAICatalog.

2011-03-31 1.5.58
Bug Fix:
- Deprecate old JDBC AbstractCatalog implementations in favor of ExtendedJDBCOAICatalog.
Enhancement:
- Cleaned up various build warnings.

2009-03-26 1.5.57
Bug Fix:
- Fix persistentConnection bug in NewJDBCOAICatalog

2008-10-27 1.5.56
Bug Fix:
- Change toolkit.xsd reference to the alcme.oclc.org domain since the VT version vanished

2007-11-01 1.5.55
Enhancement:
- Make OAIHandler.getAttributes methods public

2007-05-22 1.5.54
Enhancement:
- Switch license banners to Apache 2.0

2007-01-25 1.5.53
Enhancement:
- Add support for java.sql.Date datestamps in the JDBC implementation.

2007-01-25 1.5.52
Enhancement:
- add Getty implementation to support museums and archives.

2006-12-20 1.5.51
Enhancement:
- add OAIHandler.missingVerbClassName parameter support

2006-12-20 1.5.50
Enhancement:
- add OAIHandler.isServiceUnavailable so developers can decide how this gets
done themselves.

2006-11-06 1.5.49
Enhancement:
- add filterRequest() to OAIHandler to allow overriding classes to control
which requests get through.

2006-10-23 1.5.48
Enhancement:
- add a getDescriptions() method to the AbstractCatalog and Identify verb

2006-09-06 1.5.47
Bug Fix:
- XML-encode attribute values
- fixed a synchronization problem in XSLTCrosswalk

2006-06-30 1.5.46
Enhancement:
- add support for multiple databases

2006-06-22 1.5.45
Cleanup:
- Removed some issues that were cluttering my Eclipse "Problems" view.
It was mainly things like "throws" that were declared but never used and
private methods and variables that were never used. I'm fairly confident
that their removal won't affect anyone's custom classes.

2006-04-06 1.5.44
Bug Fix:
- Restore JDBCOAICatalog, JDBCLimitedOAICatalog, and ExtendedJDBCOAICatalog in favor of NewJDBCOAICatalog

2006-04-04 1.5.43
Bug Fix:
- Add close statements to Statements and ResultSets in JDBCOAICatalog, JDBCLimitedOAICatalog, and ExtendedJDBCOAICatalog to plug a memory leak

2006-02-06 1.5.42
Enhancement:
- Add support for repeatable fields to JDBC2oai_dc.java

2005-12-08 1.5.41
Bug Fix:
- Add support for multiple metadataPrefixes that share the same schemaLocation

2005-09-26 1.5.40
Enhancement:
- Allow configuration files to reside on the classpath as an alternative to
hardcoding them relative to $TOMCAT_HOME

2005-09-08 1.5.39
Bug Fix:
- Exit the loop in RecordHandler so no more than one metadata record gets created.

2005-07-29 1.5.38
Enhancement:
- Added optional OAIHandler.extraXmlns parameter to oaicat.properties handler. This string will be inserted into the <oai:OAI-PMH> to allow extra xmlns declarations to be included in the response.

2005-07-21 1.5.37
Bug Fix:
- Omit XML declaration from FileMap2oai_dc identity transformer

2005-06-07 1.5.36
Enhancement:
- Added a feature contributed by Peter Guldbaek to support an alternative method of loading the Properties object.

2005-03-25 1.5.35
Enhancement:
- Make the xsl stylesheet optional on FileMap2.oai_dc to make it easier to store oai_dc records instead of oai_etdms.

2005-02-28 1.5.34
Bug Fix:
- Force identifier parameters to conform to URI syntax or else throw a badArgument error.

2005-02-04 1.5.33
Enhancement:
- Add an optional String parameter to the Crosswalk constructor to tell it which metadataPrefix it is being configured for.

2005-01-31 1.5.32
Bug Fix:
- Don't assume the objects in JDBCRecordFactory are strings.

2004-10-11 1.5.31
Bug Fix:
- Fix BadArgumentException for missing metadataPrefix in ListRecords and ListIdentifiers
- Change various RecordFactory implementations to use a public fromOAIIdentifier method rather than protected.

2004-10-11 1.5.30
Bug Fix:
- Remove Java 1.4 String.split() dependency.

2004-10-06 1.5.29
Bug Fix:
- Fix JDBC2oai_dc crosswalk to exclude empty fields from the result.

2004-09-15 1.5.28
Enhancement:
- Add dateFormat property support for JDBCOAICatalog and JDBCLimitedOAICatalog

2004-08-31 1.5.27
Enhancement:
- Add SRUOAICatalog support

2004-06-10 1.5.26
Enhancement:
- Add support for dynamic crosswalks.

2004-06-07 1.5.25
Enhancement:
- Add OAIHandler.urlEncodeSetSpec argument

2004-05-21 1.5.24
Enhancement:
- Construct verbs using a HashMap rather than a ServletContext so they can be called in a more generic way.
- Add a few set method to AbstractCatalog so implementations can be created directly rather than being forced to use the factory method.

2004-05-10 1.5.23
Bug Fix:
- Changed ExtendedJDBCOAICatalog and JDBCOAICatalog to use '!' instead of ':' as the resumptionToken separator to accommodate long datestamps.
Enhancement:
- Make OAIHandler getWriter and OAIHandler.getResult public.

2004-05-05 1.5.22
Bug Fix:
- Changed ExtendedJDBCRecordFactory.getLocalIdentifier to convert value to String rather than assume it is a string.

2004-04-06 1.5.21
Enhancement:
- Add Copymets crosswalk.

2004-03-15 1.5.20
Bug Fix:
- Fix incorrect setName in ListSets for NewFileSystemOAIHandler.

2004-03-08 1.5.19
Bug Fix:
- Fix ListMetadataFormats(identifier) for XMLFileOAICatalog

2004-02-18 1.5.18
Bug Fix:
- Add Opera to the list of User-Agents that have XSL stylesheets applied on the browser.

2003-12-22 1.5.17
Enhancement:
- Add OAIHandler.xmlEncodeSetSpec property option

2003-11-05 1.5.16
Bug Fix:
- Added synchronized to javax.xml.transform.Transformer invocations.

2003-10-22 1.5.15
Enhancement:
- Added oaicatnewton.jar to the distribution.

2003-10-14 1.5.14
Enhancement:
- Added "info:ofi/pro" to the list of namespaces that can be parsed by XMLFileOAICatalog.
- Added XSLTproCrosswalk
- Changed the Redirect extension verb to return the oai_dc record if no dc:identifier is found.

2003-06-13 1.5.13
Bug Fix:
- Allow for missing User-Agent in HTTP header.

2003-06-05 1.5.12
Bug Fix:
- XML Encode the <identifier> portion of the response.

2003-06-03 1.5.11
Bug Fix:
- Fixed a few more bugs in JDBCOAICatalog where OAI-type Exceptions were
  being caught and transformed into Error 500 failures.

2003-05-14 1.5.10
Bug Fix:
- Fixed a bug in JDBCOAICatalog where invalid identifiers weren't being reported properly from GetRecord verbs.

2003-05-05 1.5.10
Enhancement:
- Add call to ServerVerb.init for extension verbs to allow them to initialize themselves.
- Add call to HttpServletRequest.setCharacterEncoding("UTF-8") to handle escaped characters in the URL.

2003-04-29 1.5.9
Bug Fix:
- Moved extension verbs so they only work from baseURL + "/extension". This should satisfy those who worry about adding non-OAI verbs to the baseURL. Also changed the property from ServerVerbs.* to ExtensionVerbs.*
- Fixed ListRecords and ListIdentifiers to convert blanks back to '+'. Hopefully, this won't cause people too much grief.

2003-04-21 1.5.8
Enhancements:
- Added an optional Redirect verb to support POIs (http://www.ukoln.ac.uk/distributed-systems/poi/resolver-guidelines/.
- Added JUnit tests to the Ant build scripts.
- Added a little more documentation
- Improved version control.
- Fixed a bug where setting the HTTP Content-Encoding prevented the return of HTTP status codes.

2003-04-17 1.5.7
Bg fixes:
- Removed URLEncoder.encode() calls in RecordFactory and ServerVerb because URLEncoding setSpecs isn't the right solution. I don't recall why I did this in the first place, and now I worry that it will break someone's existing installation because they are gone. If so, hopefully they will contact me and we can fix it propertly.
Enhancements
- Add an OAIHarvester.forceRender property to discourage the harvesting of proprietary data.
- Add a RecordFactory.encodeSetSpec parameter (default=true) since it's not really supposed to encode colons. Eventually, this will need to be fixed properly to encode only those characters that actually require it.

2003-03-28 1.5.6
Enhancements
- Allow for additional verbs to be configured in oaicat.properties.
- Added an optional GetMetadata verb.

2003-03-06 1.5.5
Enhancements
- Added an optional OAIHandler.renderForOldBrowsers property to recognize old "Mozilla" browsers and render the response into HTML if an OAIHandler.styleSheet property is present.

2002-11-18 1.5.4
Bug fixes:
- Removed 'compress' compression option since there is some question about its correctness.
- URLEncoded the request element's set value.
- Fixed a bug in the JDBC implementation that caused resumptionTokens to always respond with initial results.
Enhancements
- Added a FileSystem implementation and made it the default instead of the silly useless DummyOAICatalog.
- Moved the toolkit element to the bottom of the Identify response to make it less prominent.

2002-11-01 1.5.3
Bug fixes:
- Made JDBC2oai_dc real.
- Change setSpec handling to allow them to be collected from the database itself.
- Use a HashMap to represent a record rather than depending on the cursor of an entire resultSet.
- Changes too numerous to mention regarding JDBCOAICatalog. If you're using it, consider using JDBCLimitedOAICatalog instead. It should be more memory effecient.
- Added a new class named NoRecordMatchException which is a more appropriate name than NoItemsMatchException. Both work, though.
- Fixed a bug in the Identify response where the toolkit description wasn't passing validation.
- Changed the default 'from' and 'until' dates to something more realistic.


2002-10-22 1.5.2
Bug Fixes:
- Fixed a bug in the JDBC implementation that caused resumptionToken type
  requests to return the initial set of records each time.
- Made resumptionTokens in the JDBC implementation idempotent.
- Changed the default 'from' date from 01/01/0000 to 01/01/0001 to
  accommodate Oracle JDBC limitations.
- Fixed a problem with ListMetadataFormats in the JDBC implementation where it didn't recognize oaiidentifiers that weren't in sets.

2002-10-16 1.5.1
Enhancements:
- Added a JDBC implementation

2002-10-04 1.5
Enhancements:
- Added toolkit description to the Identify response and version number tracking.

2002-10-02 1.4
Bug Fixes:
- Added a check for bad arguments when they accompany resumptionTokens
  to satisfy the OAI repository registration validator.

2002-09-27 1.3
Enhancements:
- Added cusomization instructions to the Readme.txt file.
- Improved javadocs.

2002-09-25 1.2
Bug Fixes:
- Changed the way <description> elements are managed by the Identify verb.

2002-09-20 1.1
Bug Fixes:
- Added checks for BadArgumentExceptions to satisfy Hussein's Repository
  Explorer validation.

Enhancements: