Metacat

added a "server" parameter which tells the system the path to the server on which metacat is running. This is used for metacat:// urls.

added support for urls of the form "metacat://server.xyz.com?docid=XXX:yy"

added package and resource data and structures

Separate thread used for writing into xml_index table.
This cut the time of the response on insert almost in half.
The tread is started afterwards
(on end of document parsing and inserting into xml_nodes) from
DBSAXHandler and uses new(separate) db connection....

added new fields

added support for returndoc handling.

added a packagedoctype parameter so that the servlet knows what kind of doctype a package

updated for returndoc field

This class syncronously indexes any package file that is loaded into the database.r

Added backtrack functionality. Backtracking works by passing a returndoc parameter. There can be more than one. If a document that is hit by a query is not of type returndoc then it searches the database for a related file of type returndoc. If one is found it is displayed, if no relation is found, the original is displayed....

included new method getPoolSize()

added extra timing information to the main() driver method.

fix the small bug with output like:
Fatal processing error

<success>
<docid>null</docid>
</success>
on hadleInsertOrUpdateAction()

writeDocID() not needed any more
throw SAXException from everywhere

on character(cbuf, start, len) included:
if currentNode.getTagName().equals("title")
currentDocument.setTitle(cbuf)
instead of using:
currentDocument.setTitleFromChildElement() in endDocument() call

change Assession# generation to use the same db connection

Updated the download data function. the download data function now pulls a document from the database, zips it up and sends the zip stream to the client. It also zips up any related files. a relation parameter is used to pass related files to the servlet. If only one document should be zipped and sent, a single docid in the param hashtable is sufficient.

changes related to decrease the time of INSERT of document.
With these changes I inserted 200KB file for 3 minutes, 50KB for 50sec.
This is mainly simplifing the DBSAXNode class and
using batching feature of Oracle JDBC driver.

updated this style sheet to display only resource documents and their related files. Also added hidden input params to the images on the left so that the related document info is sent back to the servlet when documentation or an abstract is requested.

this stylesheet now processes relation information.

This allows for the easy handling of metacat:// urls. The documentation in the source code explains the specification for the url in detail.

Added functionality for package specifications. metacatservlet now contains a new action called getrelateddocument that handles retrieving related documents using the metacatURL specification (metacatURL.java). DBQuery contains new code in runQuery that embeds relation tags in the returned hashtable describing the documents related to each docid. querySpecification contains a new method which prints the sql that does the relation query.

store generated Access# in meta_file_id tag if there are any

fix bug in toXML() about getting output of XML document like:
<paragraph

added parentnodeid to xml_index table

added parentnodeid to xml_index

fix for "Document not found" err message on "getdocument" action

fix for "public" authentication

xml_documents.public_access modified to be
NUMBER DEFAULT 1
ie all documents to have public access by default

removed print statments

fixed xml tag error in squer

fixed bug in handleSQuery that returned the tag in the <query> tag of a resultset.
BugID:
Submitted by:
Reviewed by:

added check from "read" permission on "query" and "squery" actions
for connected user or for "public" connection

3 indexes added on:
xml_nodes (rootnodeid)
xml_nodes (parentnodeid)
xml_documents (docid, doctype)

sql file defining the table structure for eml-package data.

added documentation and cleaned up the markup.

added support for getabstract action

Added a method called getNodeContent which retrieves the content of a node in a document. If there are more than one nodes with the same name returned, it returns an array with all of the data.

Added support for viewabstract

added resource.xsl to the catalog

no message

style sheet for resource documents

Modified MetaCatServlet to use the new DocumentImpl.toXml() method for
efficiency of reading documents. See bugzilla bug #111 for an explanation.

Updated the test.xml file to use more XML features for testing insert,
update, and read functions of DocumentImpl. Now the document contains
comments and processing instructions.

Fixed document reading bug (bugzilla bug #111) so that reading documents
is no longer a power function of the number of nodes in the document
(which used to be the case). Now, reading a document occurs entirely
within DocumentImpl, by making a single SQL call to get the document data,...

change the 2 executions in archiveDocRevision()
with 1 statement:
"insert into xml_revisions
select ... from xml_documents where docid = ..."

small changes on hasWritePermission()

get rid of the FK in xml_acess table that points to xm_documents.docid
since xml_access.docid(s) point to current and revised documents
(ie xml_documents.docid and xml_revisions.docid)

storing user_owner and user_updated where needed
new function in DocumentImpl checking for "write" perm on UPDATE or DELETE
added delete from xml_index of the old version of docid on UPDATE

this file is no longer used.

changed xslf for new returnfield scheme. the returnfields are now returned as <param name="<returnfield>"> tags.
hThe sql for the returnfield query was redone to fix a previous problem with slow queries

changed xslf for new resultfield scheme

cleared static methods in AccessionNumber classes for fixing bug found
when multiple requests to the servlet at a time.

changed paths in returnfield parameters

added alt tags

added alt tag

new graphics and their adobe illustrator vector files

changed colors and layout

Minor update to remove unneeded constructor in DocumentImpl class.

new table xml_access and new attrs to xml_documents for ACL

for getDoctypes() added
WHERE entry_type='DTD' condition in the select statement

fixed typ-o

Changes with Srb authentication: including quering of Srb/MCAT during the Srb connection for:
- groupname of connected user
- list of groups and users in MCAT for ACL function for MetaCat

update of build.xml based on Matt's recommendations

added an image-path property to get around the messed up images when loading images from tomcat. To add your own image directory,
create a directory under /opt/httpd/html/img/ and add the path to the image-path property in build.xml. Then all img tags in your documents...

Continued code redesign for the DocumentImpl class. Now the "delete" and
"write" methods are static, so a DocumentImpl objject need not be created
in order to initiate a INSERT, UPDATE, or DELETE action (it is created
implicitly by the DBSAXHandler). When doing a "READ" action, one still...

Folded the functionality from DBWriter into DocumentImpl, continuing the
work started earlir to create a more DOM-like model for the classes, in
which a single DocumentImpl class handles both reading and writing of
documents to the database. Modified shell scripts and MetaCatServlet to...

removed extraneous dash (-) from output loop that was entered unintentionallyi

changed the field names to be case-sensitive in the returnfields

changed the field names to be case-sensitive

added the returnfield element to be used for dynamically choosing which fields to return from xml_nodes.

added support for the returnfield parameter
-QuerySpecification now sets a flag (containsExtendedSQL) when there are returnfield items in the pathquery document.
the accessor method containsExtendedSQL() can be called by other classes to check for extended return parameters...

added support for the returnfield parameter
-added the dynamic parameters to the returned hash table of documents

added support for the returnfield parameter

marine.properties is no longer needed because the marine servlet uses all of the metacat properties.

a way to access the marine servlet without using javascript

updated the URL given the new <returnfield> paramet

Folded the functionality from DBSAXDocument into the DocumentImpl class.
Now DocumentImpl handles both the reads and the writes to the database.
Eventually, it will implment the full DOM Document interface. Eliminated
the DBSAXDocument.java file as it is no longer relevant....

Updated the readxml shell script to use the new DocumentImpl class instead
of the old DBReader class.

Removed DBReader.java because the functionality of that class has been
replaced by the more efficient DocumentImpl class.

Created new class "DocumentImpl" which represents an XML Document. This
document will eventually implment the DOM Document interface. For now,
it implments all of the functionality that was present in DBReader, plus
cuts down on the number of database calls required to read a document. And...

Added script to register document types in the xml_catalog table for our
common public ID's.

Added install feature for copying dtd's to the servlet directory so that
they are accessible to the metacatservlet.

Added new utility query to return all of the xml_nodes info for a given
document id in metacat.

Updated documentation for NodeComparator.java.

Modified the DBReader and ElementNode classes to more efficiently read
documents from the database. In the old implementation, a db connection
was opened for each and every node in a document, recursively fromthe root
node. In the new implementation, all of the data from xml_nodes is...

redirector to access the marine servlet

modified the xsl to work with the new servlet architecture.o

marineServlet now overrides the transformQuery() function to allow it to put the values back into the text boxes of the xsl stylesheet rendered form.

-fixed the bug where a pathquery document was not valid inside of the <query> tags in a resultset document.
-provided override support for a new function called transformQuery() which allows specific applications to
customize what is returned in the <query> tag

Fixed small bug in transforming the document to HTML. If there was
no stylesheet for a given doctype, and so the transformation couldn't
occur, the XML doc was returned, but the content-type was still set
(incorrectly) to html. Now it is not set to text/html when an xml doc is...

removed extraneous protected tags and replaced them with private tags

Modified behavior of handleSQuery() to now send the resultset document
back to the client application -- this was a bug introduced by recent
changes to the servlet. Also, generally cleaned up the servlet to
produce cleaner documentation and removed some extraneous code and remarks....

decrease the number of "initialConnections" to 5, "increaseConnections" stay 5, decrease the "maximumConnections" to 10

Changed release to version to alpha 8 (1.0a8) and tagged metacat in
CVS as METACAT_ALPHA_8

Updated default html forms for metacat queries to use the "anyfield"
keyword for constructing a default query. This should now work with
the new handleQuery method of MetaCatServlet.
BugID:
Submitted by:
Reviewed by:

changed to work with the new MetaCatServlet model. marineServlet now only overwrites one method in MetaCatServlet.

changed the prototype of overwritable functions to "protected" instead of "private".

change the resultset format for DataGuide

Changed the flow of query and SQuery. SQuery now only handles a preformatted pathquery document as input (in the "query" parameter).
HandleQuery now handles all structured queries derived by CGI parameters.