Revision 295
Added by berkley over 24 years ago
| lib/marine/marine.xsl | ||
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<?xml version="1.0"?> |
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<!-- |
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* marine.xsl |
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* |
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* Authors: Matt Jones, Chad Berkley |
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* Copyright: 2000 Regents of the University of California and the |
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* National Center for Ecological Analysis and Synthesis |
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* For Details: http://www.nceas.ucsb.edu/ |
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* Created: 2000 July 20 |
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* File Info: '$Id$' |
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* |
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* This is an XSLT (http://www.w3.org/TR/xslt) stylesheet designed to |
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* convert an XML file showing the resultset of a query |
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* into an HTML format suitable for rendering with modern web browsers. |
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* This stylesheet formats . |
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--> |
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> |
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<xsl:output method="html"/> |
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<xsl:template match="/"> |
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<html> |
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<head> |
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<link rel="stylesheet" type="text/css" href="/xmltodb/lib/rowcol.css" /> |
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</head> |
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<body class="emlbody"> |
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<center> |
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<u><h2>Query Results</h2></u> |
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</center> |
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<form action="/servlets/marineServlet" method="POST"> |
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<input type="hidden" name="action" value="getdocument"/> |
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<xsl:text>Output Format: </xsl:text> |
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<select name="qformat"> |
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<option value="html">HTML</option> |
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<option value="xml">XML</option> |
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</select> |
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<table width="100%"> |
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<tr class="rowodd"> |
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<th> </th> |
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<th><xsl:text>Title</xsl:text></th> |
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<th><xsl:text>Resource Name</xsl:text></th> |
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<!-- <th><xsl:text>Document Type</xsl:text></th> --> |
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</tr> |
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<xsl:for-each select="resultset/document"> |
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<tr valign="top"> |
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<xsl:attribute name="class"> |
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<xsl:choose> |
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<xsl:when test="position() mod 2 = 1">rowwhite</xsl:when> |
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<xsl:when test="position() mod 2 = 0">rowlight</xsl:when> |
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</xsl:choose> |
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</xsl:attribute> |
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<td> |
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<!-- |
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<input type="radio" name="docid"> |
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<xsl:attribute name="value"> |
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<xsl:value-of select="./docid"/> |
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</xsl:attribute> |
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</input> |
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<input type="submit" value="Display"/> |
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--> |
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<input border="0" type="image"> |
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<xsl:attribute name="src"> |
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<xsl:choose> |
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<xsl:when test="position() |
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mod 2 = 1">/xmltodb/images/bttns-white.png</xsl:when> |
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<xsl:when test="position() |
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mod 2 = 0">/xmltodb/images/bttns-blue.jpg</xsl:when> |
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</xsl:choose> |
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</xsl:attribute> |
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<xsl:attribute name="name"> |
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<xsl:value-of select="./docid"/> |
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</xsl:attribute> |
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</input> |
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</td> |
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<td><xsl:value-of select="./doctitle"/> |
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<xsl:text> </xsl:text> |
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</td> |
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<td> |
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<xsl:value-of select="./docname"/> |
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<xsl:text> </xsl:text> |
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<!-- <xsl:value-of select="./docid"/> |
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<xsl:text> </xsl:text> |
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--> |
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</td> |
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<!-- <td><xsl:value-of select="./doctype"/> |
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<xsl:text> </xsl:text> |
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</td> |
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--> |
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</tr> |
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</xsl:for-each> |
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</table> |
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</form> |
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</body> |
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</html> |
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</xsl:template> |
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</xsl:stylesheet> |
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| lib/marine/marine.properties | ||
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# |
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# Properties file defining options for the MetaCatServlet.java servlet |
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# Matt Jones, Dan Higgins |
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# '$Id$' |
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# |
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user=jones |
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password=kinkaj0u |
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defaultDB=jdbc:oracle:thin:@24.237.20.124:1521:test |
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dbDriver=oracle.jdbc.driver.OracleDriver |
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resultStyleURL=file:///home/httpd/html/marine/marine.xsl |
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xmlcatalogfile=/home/httpd/html/xmltodb/lib/catalog.txt |
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defaultdatapath=C:\Temp\ |
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executescript=test.bat |
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defaultGlobalName=NCEAS |
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accNumberSeparator=: |
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saxparser=org.apache.xerces.parsers.SAXParser |
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| lib/marine/index.html | ||
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<!-- MARINE UI Test main page |
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Author: Chad Berkley |
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Date: 6/26/00 |
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Comments: Test User Interface for MARINE Scientists |
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--> |
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<html> |
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<head> |
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<title>MetaCat MARINE Interface</title> |
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</head> |
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<frameset cols="*" frameborder=1 border=1> |
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<frameset rows="400,*" frameborder=1 border=1> |
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<frame src="marinetest.html" border=1 border="top"> |
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<frame src="http://alpha.nceas.ucsb.edu/servlets/marineServlet?action=query&query=NCEAS%25&qformat=html&doctype=-//NCEAS//eml-dataset//EN" border=1 name="bottom"> |
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</frameset> |
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</frameset> |
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</html> |
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| lib/marine/marinetest.html | ||
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<!-- |
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* marinetest.html |
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* Test MetaCat MARINE UI |
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* Author: Chad Berkley |
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* Copyright: 2000 Regents of the University of California and the |
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* National Center for Ecological Analysis and Synthesis |
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* For Details: http://www.nceas.ucsb.edu/ |
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* Date: 6/23/00 |
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* |
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--> |
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<html> |
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<head> |
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<title>Test MetaCat MARINE Interface</title> |
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</head> |
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<body bgcolor="white"> |
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<h1>MARINE Query</h1> |
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<p> |
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Query engine for MARINE formatted data. |
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</p> |
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<table border="2" align="top"> |
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<tr> |
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<td align="center" valign="top" width="300"> |
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<h2>Structured Query</h2> |
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<hr> |
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<form |
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action="http://alpha.nceas.ucsb.edu/servlets/marineServlet" target="bottom" method="POST"> |
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<h3>Originator:</h3> |
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First Name: <input type = "text" name = "given_name"><br> |
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Last Name: <input type = "text" name = "surname"><br> |
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Email Address: <input type = "text" name = "email"><br> |
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Postal Code: <input type = "text" name = "postal_code"><br> |
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<hr> |
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<h3>Other Resource Information</h3> |
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Organization: <input type = "text" name = "party_org"><br> |
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Keywords: <input type = "text" name = "keyword"><br> |
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Title: <input type = "text" name = "title"><br> |
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<input type="hidden" name="query" value=""> |
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<!-- <input type="hidden" name="qformat" value="html"> --> |
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<input type="hidden" name="action" value="squery"> |
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<input type="hidden" name="doctype" value="ANY"> |
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Output Type: |
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<select name = "qformat"> |
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<option value="html">HTML</option> |
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<option value="xml">XML</option> |
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</select><br> |
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Boolean Operator: |
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<select name = "operator"> |
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<option value="UNION">OR</option> |
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<option value="INTERSECT">AND</option> |
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</select><br> |
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<input type="submit" value="Query"> |
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</form> |
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</td> |
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<td align="center" valign = "top" width="300"> |
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<h2>Free Text Query</h2> |
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<hr> |
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<form |
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action="http://alpha.nceas.ucsb.edu/servlets/marineServlet" target="bottom" method="POST"> |
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Keywords: <input type="text" name="query"><br> |
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<input type="hidden" name="qformat" value="html"> |
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<input type="hidden" name="action" value="query"> |
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<input type="hidden" name="doctype" value="ANY"> |
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<input type="submit" value="Query"> |
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</form> |
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</td> |
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</tr> |
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</table> |
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</form> |
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</body> |
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</html> |
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| src/edu/ucsb/nceas/metacat/marine/marineServlet.java | ||
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package edu.ucsb.nceas.metacat.marine; |
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import java.io.*; |
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import java.util.*; |
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import javax.servlet.*; |
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import javax.servlet.http.*; |
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import java.net.*; |
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import java.sql.*; |
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import oracle.xml.parser.v2.*; |
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import org.xml.sax.*; |
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import org.xml.sax.helpers.*; |
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// import edu.ucsb.nceas.metacat.*; |
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import oracle.jdbc.driver.*; |
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import oracle.xml.parser.v2.*; |
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import oracle.xml.parser.v2.XMLParser; |
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public class marineServlet extends HttpServlet |
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{
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private marineUtil util; |
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private String resultStyleURL; |
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private String xmlcatalogfile; |
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private String saxparser; |
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private String defaultdatapath; |
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private String executescript; |
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private DBQuery queryobj; |
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private DBReader docreader; |
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private DBTransform dbt; |
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private Connection conn; |
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private PropertyResourceBundle options; |
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private String msg; |
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private String queryname; |
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public void init(PrintWriter out) |
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{
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util = new marineUtil(); |
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resultStyleURL = util.getOption("resultStyleURL");
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xmlcatalogfile = util.getOption("xmlcatalogfile");
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saxparser = util.getOption("saxparser");
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defaultdatapath = util.getOption("defaultdatapath");
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executescript = util.getOption("executescript");
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try |
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{
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conn = util.openDBConnection(); |
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queryobj = new DBQuery(conn,saxparser); |
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docreader = new DBReader(conn); |
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dbt = new DBTransform(conn); |
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/* |
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msg = new String(conn.toString()); |
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msg += "\n" + saxparser; |
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msg += "\n" + queryobj; |
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msg += "\n" + docreader; |
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msg += "\n" + dbt; |
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*/ |
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} |
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catch(Exception e) |
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{
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msg = new String("Error in init\n "
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+ e.fillInStackTrace().toString() ); |
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} |
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} |
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public void doGet (HttpServletRequest request, |
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HttpServletResponse response) |
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throws ServletException, IOException |
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{
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handleGetOrPost(request, response); |
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} |
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public void doPost (HttpServletRequest request, |
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HttpServletResponse response) |
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throws ServletException, IOException |
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{
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handleGetOrPost(request, response); |
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} |
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private void handleGetOrPost(HttpServletRequest request, |
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HttpServletResponse response) |
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throws ServletException, IOException |
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{
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response.setContentType("text/html");
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PrintWriter out = response.getWriter(); |
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try |
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{
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init(out); // remove this when init() |
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//actually works |
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} |
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catch(Exception e) |
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{
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out.println("Exception in handleGetOrPost: ");
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out.println(e.toString()); |
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out.println(msg); |
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} |
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if (conn == null) |
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{
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System.err.println("Connection to database lost"+
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"...Reopening..."); |
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try |
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{
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conn = util.openDBConnection(); |
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queryobj = new DBQuery(conn, saxparser); |
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docreader = new DBReader(conn); |
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dbt = new DBTransform(conn); |
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} |
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catch (Exception e) |
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{
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System.err.println("Error opening" +
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" database connection"); |
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} |
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} |
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String name = null; |
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String[] value = null; |
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String[] docid = new String[3]; |
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Hashtable params = new Hashtable(); |
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Enumeration paramlist = request.getParameterNames(); |
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while (paramlist.hasMoreElements()) |
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{
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name = (String)paramlist.nextElement(); |
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value = request.getParameterValues(name); |
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// Decode the docid and mouse click information |
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if (name.endsWith(".y"))
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{
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docid[0] = name.substring(0,name.length()-2); |
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//out.println("docid => " + docid[0]);
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params.put("docid", docid);
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name = "ypos"; |
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} |
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if (name.endsWith(".x"))
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{
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name = "xpos"; |
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} |
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//out.println(name + " => " + value[0]); |
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params.put(name,value); |
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} |
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// Determine what type of request the user made |
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// if the action parameter is set, use it as a default |
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// but if the ypos param is set, calculate the action |
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// needed |
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String action = ((String[])params.get("action"))[0];
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long ypos = 0; |
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try |
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{
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ypos = (new Long( |
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((String[])params.get("ypos"))[0]).longValue());
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//out.println("<P>YPOS IS " + ypos);
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if (ypos <= 13) |
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{
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action = "getdocument"; |
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} |
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else if (ypos > 13 && ypos <= 27) |
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{
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action = "validate"; |
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} |
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else if (ypos > 27) |
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{
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action = "transform"; |
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} |
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} |
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catch (Exception npe) |
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{
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//out.println("<P>Caught exception looking for Y value.");
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} |
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//Jivka's login code should go here! |
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if (action.equals("query") || action.equals("squery"))
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{
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handleQueryAction(out, params, response); |
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} |
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else if (action.equals("getdocument"))
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{
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try |
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{
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handleGetDocumentAction(out, params, response); |
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} |
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catch(ClassNotFoundException e) |
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{
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out.println(e.getMessage()); |
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} |
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catch |
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(SQLException se) |
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{
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out.println(se.getMessage()); |
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} |
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} |
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else if(action.equals("insert") || action.equals("update"))
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{
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handleInsertOrUpdateAction(out, params, response); |
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} |
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else if(action.equals("delete"))
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{
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handleDeleteAction(out, params, response); |
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} |
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else if(action.equals("validate"))
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{
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handleValidateAction(out, params, response); |
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} |
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else if (action.equals("getdatadoc"))
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{
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handleGetDataDocumentAction(out, params, response); |
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} |
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else if (action.equals("Login"))
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{
|
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} |
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else |
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{
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out.println("Error: action not registered" +
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"Please report this error."); |
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} |
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|
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//out.print("msg:<br> ");
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//out.println(msg); |
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//out.println("<br><br>marineServlet says: ok");
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out.close(); |
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} |
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/** |
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| 226 |
* Handle the database query request and return a result set, possibly |
|
| 227 |
* transformed from XML into HTML |
|
| 228 |
*/ |
|
| 229 |
private void handleQueryAction(PrintWriter out, Hashtable params, |
|
| 230 |
HttpServletResponse response) |
|
| 231 |
{
|
|
| 232 |
String query = ((String[])params.get("query"))[0];
|
|
| 233 |
String action = ((String[])params.get("action"))[0];
|
|
| 234 |
Hashtable doclist = null; |
|
| 235 |
String[] doctypeArr = null; |
|
| 236 |
String doctype = null; |
|
| 237 |
Reader xmlquery = null; |
|
| 238 |
|
|
| 239 |
// Run the query if it is a structured query |
|
| 240 |
// or, if it is a free-text, simple query, |
|
| 241 |
// format it first as a structured query and then run it |
|
| 242 |
if (action.equals("query"))
|
|
| 243 |
{
|
|
| 244 |
|
|
| 245 |
doctypeArr = (String[])params.get("doctype");
|
|
| 246 |
doctype = null; |
|
| 247 |
if (doctypeArr != null) |
|
| 248 |
{
|
|
| 249 |
doctype = ((String[])params.get("doctype"))[0];
|
|
| 250 |
} |
|
| 251 |
|
|
| 252 |
if (doctype != null) |
|
| 253 |
{
|
|
| 254 |
xmlquery = new StringReader(DBQuery.createQuery(query,doctype)); |
|
| 255 |
} |
|
| 256 |
else |
|
| 257 |
{
|
|
| 258 |
xmlquery = new StringReader(DBQuery.createQuery(query)); |
|
| 259 |
} |
|
| 260 |
} |
|
| 261 |
else if (action.equals("squery"))
|
|
| 262 |
{
|
|
| 263 |
doctypeArr = (String[])params.get("doctype");
|
|
| 264 |
doctype = null; |
|
| 265 |
if (doctypeArr != null) |
|
| 266 |
{
|
|
| 267 |
doctype = ((String[])params.get("doctype"))[0];
|
|
| 268 |
} |
|
| 269 |
// for some reason the doctype="ANY" wildcard is not working |
|
| 270 |
//correctly. For this reason, I have ommited the doctype |
|
| 271 |
//here for the time being (7/20). |
|
| 272 |
xmlquery = new StringReader(createSQuery(params)); |
|
| 273 |
//msg = createSQuery(params); |
|
| 274 |
} |
|
| 275 |
else |
|
| 276 |
{
|
|
| 277 |
msg = "Error handling query -- illegal action value"; |
|
| 278 |
} |
|
| 279 |
|
|
| 280 |
if (queryobj != null) |
|
| 281 |
{
|
|
| 282 |
doclist = queryobj.findDocuments(xmlquery); |
|
| 283 |
} |
|
| 284 |
else |
|
| 285 |
{
|
|
| 286 |
out.println("Query Object Init failed.");
|
|
| 287 |
return; |
|
| 288 |
} |
|
| 289 |
|
|
| 290 |
// Create a buffer to hold the xml result |
|
| 291 |
StringBuffer resultset = new StringBuffer(); |
|
| 292 |
|
|
| 293 |
// Print the resulting root nodes |
|
| 294 |
String docid; |
|
| 295 |
String document = null; |
|
| 296 |
resultset.append("<?xml version=\"1.0\"?>\n");
|
|
| 297 |
//resultset.append("<!DOCTYPE resultset PUBLIC " +
|
|
| 298 |
// "\"-//NCEAS//resultset//EN\" \"resultset.dtd\">\n"); |
|
| 299 |
resultset.append("<resultset>\n");
|
|
| 300 |
resultset.append(" <query>" + queryname + "</query>");
|
|
| 301 |
Enumeration doclistkeys = doclist.keys(); |
|
| 302 |
while(doclistkeys.hasMoreElements()) |
|
| 303 |
{
|
|
| 304 |
docid = (String)doclistkeys.nextElement(); |
|
| 305 |
document = (String)doclist.get(docid); |
|
| 306 |
resultset.append(" <document>" + document +
|
|
| 307 |
"</document>"); |
|
| 308 |
} |
|
| 309 |
resultset.append("</resultset>");
|
|
| 310 |
|
|
| 311 |
String qformat = ((String[])params.get("qformat"))[0];
|
|
| 312 |
if (qformat.equals("xml"))
|
|
| 313 |
{
|
|
| 314 |
// set content type and other response |
|
| 315 |
// header fields first |
|
| 316 |
response.setContentType("text/xml");
|
|
| 317 |
out.println(resultset.toString()); |
|
| 318 |
} |
|
| 319 |
else if(qformat.equals("html"))
|
|
| 320 |
{
|
|
| 321 |
// set content type and other response header |
|
| 322 |
// fields first |
|
| 323 |
response.setContentType("text/html");
|
|
| 324 |
//out.println("Converting to HTML...");
|
|
| 325 |
XMLDocumentFragment htmldoc = null; |
|
| 326 |
|
|
| 327 |
try |
|
| 328 |
{
|
|
| 329 |
XSLStylesheet style = new XSLStylesheet( |
|
| 330 |
new URL(resultStyleURL), null); |
|
| 331 |
htmldoc = (new XSLProcessor()).processXSL(style, |
|
| 332 |
(Reader)(new StringReader |
|
| 333 |
(resultset.toString())),null); |
|
| 334 |
htmldoc.print(out); |
|
| 335 |
} |
|
| 336 |
catch (Exception e) |
|
| 337 |
{
|
|
| 338 |
out.println("Error transforming document:\n"
|
|
| 339 |
+ e.fillInStackTrace().toString()); |
|
| 340 |
out.println("<p>msg: " + msg + "</p>");
|
|
| 341 |
} |
|
| 342 |
} |
|
| 343 |
} |
|
| 344 |
|
|
| 345 |
/** takes in the parameter list from the input source and |
|
| 346 |
a doctype and returns a structured xml query based |
|
| 347 |
on the parameters. |
|
| 348 |
**/ |
|
| 349 |
private String createSQuery(Hashtable params, String doctype) |
|
| 350 |
{
|
|
| 351 |
String query; |
|
| 352 |
Enumeration elements; |
|
| 353 |
Enumeration keys; |
|
| 354 |
Object nextkey; |
|
| 355 |
Object nextelement; |
|
| 356 |
query = "<?xml version=\"1.0\"?>"; |
|
| 357 |
query += "<!DOCTYPE pathquery PUBLIC \"-//NCEAS//pathquery-1.0//EN\" " + |
|
| 358 |
"\"http://alpha.nceas.ucsb.edu/dtd/misc/pathquery.dtd\" >"; |
|
| 359 |
query += "<pathquery version=\"1.0\"><meta_file_id>"; |
|
| 360 |
if(params.containsKey("meta_file_id"))
|
|
| 361 |
{
|
|
| 362 |
query += ((String[])params.get("meta_file_id"))[0];
|
|
| 363 |
query += "</meta_file_id>"; |
|
| 364 |
} |
|
| 365 |
else |
|
| 366 |
{
|
|
| 367 |
query += "unspecified</meta_file_id>"; |
|
| 368 |
} |
|
| 369 |
query += "<querytitle>"; |
|
| 370 |
if(params.containsKey("querytitle"))
|
|
| 371 |
{
|
|
| 372 |
query += ((String[])params.get("querytitle"))[0];
|
|
| 373 |
query += "</querytitle>"; |
|
| 374 |
} |
|
| 375 |
else |
|
| 376 |
{
|
|
| 377 |
query += "unspecified</querytitle>"; |
|
| 378 |
} |
|
| 379 |
if(!doctype.equals(""))
|
|
| 380 |
{
|
|
| 381 |
query += "<returndoctype>" + doctype + "</returndoctype>"; |
|
| 382 |
} |
|
| 383 |
query += "<querygroup operator=\"" + ((String[])params.get("operator"))[0] + "\">";
|
|
| 384 |
|
|
| 385 |
elements = params.elements(); |
|
| 386 |
keys = params.keys(); |
|
| 387 |
queryname = " "; |
|
| 388 |
while(keys.hasMoreElements() && elements.hasMoreElements()) |
|
| 389 |
{
|
|
| 390 |
nextkey = keys.nextElement(); |
|
| 391 |
nextelement = elements.nextElement(); |
|
| 392 |
//msg += " " + nextkey.toString() + "=" + |
|
| 393 |
// ((String[])elements.nextElement())[0]; |
|
| 394 |
if(!nextkey.toString().equals("doctype") &&
|
|
| 395 |
!nextkey.toString().equals("action") &&
|
|
| 396 |
!nextkey.toString().equals("qformat") &&
|
|
| 397 |
!(((String[])nextelement)[0].equals("")) )
|
|
| 398 |
{
|
|
| 399 |
query += "<queryterm casesensitive=\"false\" " + |
|
| 400 |
"searchmode=\"contains\">"; |
|
| 401 |
query += "<value>"; |
|
| 402 |
query += ((String[])nextelement)[0]; |
|
| 403 |
//queryname += ((String[])nextelement)[0] + " " + |
|
| 404 |
// ((String[])params.get("operator"))[0] +
|
|
| 405 |
// " "; |
|
| 406 |
query += "</value><pathexpr>" + |
|
| 407 |
nextkey.toString() + |
|
| 408 |
"</pathexpr></queryterm>"; |
|
| 409 |
|
|
| 410 |
//query += "</value></queryterm>"; |
|
| 411 |
} |
|
| 412 |
} |
|
| 413 |
query += "</querygroup></pathquery>"; |
|
| 414 |
return query; |
|
| 415 |
} |
|
| 416 |
|
|
| 417 |
/**same as createSQuery(Hashtable, String) except |
|
| 418 |
no doctyp is required. |
|
| 419 |
**/ |
|
| 420 |
private String createSQuery(Hashtable params) |
|
| 421 |
{
|
|
| 422 |
return createSQuery(params, ""); |
|
| 423 |
} |
|
| 424 |
|
|
| 425 |
/*************************************************************** |
|
| 426 |
The following code is taken directly from MetaCatServlet.java |
|
| 427 |
****************************************************************/ |
|
| 428 |
/** |
|
| 429 |
* Handle the database getdocument request and return a XML document, |
|
| 430 |
* possibly transformed from XML into HTML |
|
| 431 |
*/ |
|
| 432 |
private void handleGetDocumentAction(PrintWriter out, Hashtable params, |
|
| 433 |
HttpServletResponse response) |
|
| 434 |
throws ClassNotFoundException, IOException, SQLException {
|
|
| 435 |
String docidstr = null; |
|
| 436 |
String docid = null; |
|
| 437 |
String doc = null; |
|
| 438 |
try {
|
|
| 439 |
// Find the document id number |
|
| 440 |
docidstr = ((String[])params.get("docid"))[0];
|
|
| 441 |
//docid = (new Long(docidstr)).longValue(); |
|
| 442 |
docid = docidstr; |
|
| 443 |
|
|
| 444 |
// Get the document indicated fromthe db |
|
| 445 |
doc = docreader.readXMLDocument(docid); |
|
| 446 |
} catch (NullPointerException npe) {
|
|
| 447 |
response.setContentType("text/html");
|
|
| 448 |
out.println("Error getting document ID: " + docidstr +" (" + docid + ")");
|
|
| 449 |
} |
|
| 450 |
|
|
| 451 |
// Return the document in XML or HTML format |
|
| 452 |
String qformat = ((String[])params.get("qformat"))[0];
|
|
| 453 |
if (qformat.equals("xml")) {
|
|
| 454 |
// set content type and other response header fields first |
|
| 455 |
response.setContentType("text/xml");
|
|
| 456 |
out.println(doc); |
|
| 457 |
} else if (qformat.equals("html")) {
|
|
| 458 |
// set content type and other response header fields first |
|
| 459 |
response.setContentType("text/html");
|
|
| 460 |
|
|
| 461 |
// Look up the document type |
|
| 462 |
String sourcetype = docreader.getDoctypeInfo(docid).getDoctype(); |
|
| 463 |
|
|
| 464 |
// Transform the document to the new doctype |
|
| 465 |
dbt.transformXMLDocument(doc, sourcetype, "-//W3C//HTML//EN", out); |
|
| 466 |
} |
|
| 467 |
} |
|
| 468 |
|
|
| 469 |
/** |
|
| 470 |
* Handle the database putdocument request and write an XML document |
|
| 471 |
* to the database connection |
|
| 472 |
*/ |
|
| 473 |
private void handleInsertOrUpdateAction(PrintWriter out, Hashtable params, |
|
| 474 |
HttpServletResponse response) {
|
|
| 475 |
|
|
| 476 |
try {
|
|
| 477 |
// Get the document indicated |
|
| 478 |
String[] doctext = (String[])params.get("doctext");
|
|
| 479 |
StringReader xml = null; |
|
| 480 |
try {
|
|
| 481 |
xml = new StringReader(doctext[0]); |
|
| 482 |
|
|
| 483 |
String[] action = (String[])params.get("action");
|
|
| 484 |
String[] docid = (String[])params.get("docid");
|
|
| 485 |
String newdocid = null; |
|
| 486 |
|
|
| 487 |
String doAction = null; |
|
| 488 |
if (action[0].equals("insert")) {
|
|
| 489 |
doAction = "INSERT"; |
|
| 490 |
} else if (action[0].equals("update")) {
|
|
| 491 |
doAction = "UPDATE"; |
|
| 492 |
} |
|
| 493 |
|
|
| 494 |
// write the document to the database |
|
| 495 |
DBWriter dbw = new DBWriter(conn, saxparser); |
|
| 496 |
|
|
| 497 |
try {
|
|
| 498 |
String accNumber = docid[0]; |
|
| 499 |
if (accNumber.equals("")) {
|
|
| 500 |
accNumber = null; |
|
| 501 |
} |
|
| 502 |
newdocid = dbw.write(xml, doAction, accNumber); |
|
| 503 |
} catch (NullPointerException npe) {
|
|
| 504 |
newdocid = dbw.write(xml, doAction, null); |
|
| 505 |
} |
|
| 506 |
|
|
| 507 |
// set content type and other response header fields first |
|
| 508 |
response.setContentType("text/xml");
|
|
| 509 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 510 |
out.println("<success>");
|
|
| 511 |
out.println("<docid>" + newdocid + "</docid>");
|
|
| 512 |
out.println("</success>");
|
|
| 513 |
|
|
| 514 |
} catch (NullPointerException npe) {
|
|
| 515 |
response.setContentType("text/xml");
|
|
| 516 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 517 |
out.println("<error>");
|
|
| 518 |
out.println(npe.getMessage()); |
|
| 519 |
out.println("</error>");
|
|
| 520 |
} |
|
| 521 |
} catch (Exception e) {
|
|
| 522 |
response.setContentType("text/xml");
|
|
| 523 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 524 |
out.println("<error>");
|
|
| 525 |
out.println(e.getMessage()); |
|
| 526 |
if (e instanceof SAXException) {
|
|
| 527 |
Exception e2 = ((SAXException)e).getException(); |
|
| 528 |
out.println("<error>");
|
|
| 529 |
out.println(e2.getMessage()); |
|
| 530 |
out.println("</error>");
|
|
| 531 |
} |
|
| 532 |
//e.printStackTrace(out); |
|
| 533 |
out.println("</error>");
|
|
| 534 |
} |
|
| 535 |
} |
|
| 536 |
|
|
| 537 |
/** |
|
| 538 |
* Handle the database delete request and delete an XML document |
|
| 539 |
* from the database connection |
|
| 540 |
*/ |
|
| 541 |
private void handleDeleteAction(PrintWriter out, Hashtable params, |
|
| 542 |
HttpServletResponse response) {
|
|
| 543 |
|
|
| 544 |
String[] docid = (String[])params.get("docid");
|
|
| 545 |
|
|
| 546 |
// delete the document from the database |
|
| 547 |
try {
|
|
| 548 |
DBWriter dbw = new DBWriter(conn, saxparser); |
|
| 549 |
// NOTE -- NEED TO TEST HERE |
|
| 550 |
// FOR EXISTENCE OF PARAM |
|
| 551 |
// BEFORE ACCESSING ARRAY |
|
| 552 |
try {
|
|
| 553 |
dbw.delete(docid[0]); |
|
| 554 |
response.setContentType("text/xml");
|
|
| 555 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 556 |
out.println("<success>");
|
|
| 557 |
out.println("Document deleted.");
|
|
| 558 |
out.println("</success>");
|
|
| 559 |
} catch (AccessionNumberException ane) {
|
|
| 560 |
response.setContentType("text/xml");
|
|
| 561 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 562 |
out.println("<error>");
|
|
| 563 |
out.println("Error deleting document!!!");
|
|
| 564 |
out.println(ane.getMessage()); |
|
| 565 |
out.println("</error>");
|
|
| 566 |
} |
|
| 567 |
} catch (Exception e) {
|
|
| 568 |
response.setContentType("text/xml");
|
|
| 569 |
out.println("<?xml version=\"1.0\"?>");
|
|
| 570 |
out.println("<error>");
|
|
| 571 |
out.println(e.getMessage()); |
|
| 572 |
out.println("</error>");
|
|
| 573 |
} |
|
| 574 |
} |
|
| 575 |
|
|
| 576 |
/** |
|
| 577 |
* Handle the validtion request and return the results to the requestor |
|
| 578 |
*/ |
|
| 579 |
private void handleValidateAction(PrintWriter out, Hashtable params, |
|
| 580 |
HttpServletResponse response) {
|
|
| 581 |
|
|
| 582 |
// Get the document indicated |
|
| 583 |
String valtext = null; |
|
| 584 |
try {
|
|
| 585 |
valtext = ((String[])params.get("valtext"))[0];
|
|
| 586 |
} catch (Exception nullpe) {
|
|
| 587 |
|
|
| 588 |
String docid = null; |
|
| 589 |
try {
|
|
| 590 |
// Find the document id number |
|
| 591 |
docid = ((String[])params.get("docid"))[0];
|
|
| 592 |
|
|
| 593 |
// Get the document indicated fromthe db |
|
| 594 |
valtext = docreader.readXMLDocument(docid); |
|
| 595 |
|
|
| 596 |
} catch (NullPointerException npe) {
|
|
| 597 |
response.setContentType("text/xml");
|
|
| 598 |
out.println("<error>Error getting document ID: " + docid + "</error>");
|
|
| 599 |
} |
|
| 600 |
} |
|
| 601 |
|
|
| 602 |
try {
|
|
| 603 |
DBValidate valobj = new DBValidate(saxparser,conn); |
|
| 604 |
boolean valid = valobj.validateString(valtext); |
|
| 605 |
|
|
| 606 |
// set content type and other response header fields first |
|
| 607 |
response.setContentType("text/xml");
|
|
| 608 |
out.println(valobj.returnErrors()); |
|
| 609 |
|
|
| 610 |
} catch (NullPointerException npe2) {
|
|
| 611 |
// set content type and other response header fields first |
|
| 612 |
response.setContentType("text/xml");
|
|
| 613 |
out.println("<error>Error validating document.</error>");
|
|
| 614 |
} |
|
| 615 |
} |
|
| 616 |
|
|
| 617 |
/** |
|
| 618 |
* Handle the document request and return the results |
|
| 619 |
* to the requestor |
|
| 620 |
*/ |
|
| 621 |
private void handleGetDataDocumentAction(PrintWriter out, Hashtable params, |
|
| 622 |
HttpServletResponse response) {
|
|
| 623 |
boolean error_flag = false; |
|
| 624 |
String error_message = ""; |
|
| 625 |
// Get the document indicated |
|
| 626 |
String[] datadoc = (String[])params.get("datadoc");
|
|
| 627 |
// defaultdatapath = "C:\\Temp\\"; // for testing only!!! |
|
| 628 |
// executescript = "test.bat"; // for testing only!!! |
|
| 629 |
|
|
| 630 |
// set content type and other response header fields first |
|
| 631 |
response.setContentType("application/octet-stream");
|
|
| 632 |
if (defaultdatapath!=null) {
|
|
| 633 |
if(!defaultdatapath.endsWith(System.getProperty("file.separator"))) {
|
|
| 634 |
defaultdatapath=defaultdatapath+System.getProperty("file.separator");
|
|
| 635 |
} |
|
| 636 |
System.out.println("Path= "+defaultdatapath+datadoc[0]);
|
|
| 637 |
if (executescript!=null) {
|
|
| 638 |
String command = null; |
|
| 639 |
File scriptfile = new File(executescript); |
|
| 640 |
if (scriptfile.exists()) {
|
|
| 641 |
command=executescript+" "+datadoc[0]; // script includes path |
|
| 642 |
} else { // look in defaultdatapath
|
|
| 643 |
// on Win98 one MUST include the .bat extender |
|
| 644 |
command = defaultdatapath+executescript+" "+datadoc[0]; |
|
| 645 |
} |
|
| 646 |
System.out.println(command); |
|
| 647 |
try {
|
|
| 648 |
Process proc = Runtime.getRuntime().exec(command); |
|
| 649 |
proc.waitFor(); |
|
| 650 |
} |
|
| 651 |
catch (Exception eee) {
|
|
| 652 |
System.out.println("Error running process!");
|
|
| 653 |
error_flag = true; |
|
| 654 |
error_message = "Error running process!";} |
|
| 655 |
} // end executescript not null if |
|
| 656 |
File datafile = new File(defaultdatapath+datadoc[0]); |
|
| 657 |
try {
|
|
| 658 |
FileInputStream fw = new FileInputStream(datafile); |
|
| 659 |
int x; |
|
| 660 |
while ((x = fw.read())!=-1) {
|
|
| 661 |
out.write(x); } |
|
| 662 |
fw.close(); |
|
| 663 |
} catch (Exception e) {
|
|
| 664 |
System.out.println("Error in returning file\n"+e.getMessage());
|
|
| 665 |
error_flag=true; |
|
| 666 |
error_message = error_message+"\nError in returning file\n"+ |
|
| 667 |
e.getMessage(); |
|
| 668 |
} |
|
| 669 |
} // end defaultdatapath not null if |
|
| 670 |
} |
|
| 671 |
/********************************************** |
|
| 672 |
END code taken from MetaCatServlet.java |
|
| 673 |
***********************************************/ |
|
| 674 |
|
|
| 675 |
} |
|
| 0 | 676 | |
| src/edu/ucsb/nceas/metacat/marine/marineUtil.java | ||
|---|---|---|
| 1 |
/** |
|
| 2 |
* '$RCSfile$' |
|
| 3 |
* Purpose: A Class that implements utility methods for a metadata catalog |
|
| 4 |
* Copyright: 2000 Regents of the University of California and the |
|
| 5 |
* National Center for Ecological Analysis and Synthesis |
|
| 6 |
* Authors: Matt Jones |
|
| 7 |
* |
|
| 8 |
* '$Author$' |
|
| 9 |
* '$Date$' |
|
| 10 |
* '$Revision$' |
|
| 11 |
*/ |
|
| 12 |
|
|
| 13 |
import java.io.File; |
|
| 14 |
import java.net.URL; |
|
| 15 |
import java.net.MalformedURLException; |
|
| 16 |
import java.sql.Connection; |
|
| 17 |
import java.sql.DriverManager; |
|
| 18 |
import java.sql.SQLException; |
|
| 19 |
import java.util.PropertyResourceBundle; |
|
| 20 |
import oracle.jdbc.driver.*; |
|
| 21 |
|
|
| 22 |
/** |
|
| 23 |
* A suite of utility classes for the metadata catalog server |
|
| 24 |
*/ |
|
| 25 |
public class marineUtil {
|
|
| 26 |
|
|
| 27 |
private PropertyResourceBundle options = null; |
|
| 28 |
private static String propertiesFile = "marine"; |
|
| 29 |
private static boolean debug = false; |
|
| 30 |
|
|
| 31 |
/** |
|
| 32 |
* Construct an instance of the utility class |
|
| 33 |
*/ |
|
| 34 |
public marineUtil() {
|
|
| 35 |
options = (PropertyResourceBundle) |
|
| 36 |
PropertyResourceBundle.getBundle(propertiesFile); |
|
| 37 |
} |
|
| 38 |
|
|
| 39 |
/** |
|
| 40 |
* Utility method to establish a JDBC database connection using connection |
|
| 41 |
* info from the properties file |
|
| 42 |
*/ |
|
| 43 |
public Connection openDBConnection() |
|
| 44 |
throws SQLException, ClassNotFoundException {
|
|
| 45 |
return openDBConnection(getOption("dbDriver"), getOption("defaultDB"),
|
|
| 46 |
getOption("user"), getOption("password"));
|
|
| 47 |
} |
|
| 48 |
|
|
| 49 |
/** |
|
| 50 |
* Utility method to establish a JDBC database connection |
|
| 51 |
* |
|
| 52 |
* @param dbDriver the string representing the database driver |
|
| 53 |
* @param connection the string representing the database connectin parameters |
|
| 54 |
* @param user name of the user to use for database connection |
|
| 55 |
* @param password password for the user to use for database connection |
|
| 56 |
*/ |
|
| 57 |
public static Connection openDBConnection(String dbDriver, String connection, |
|
| 58 |
String user, String password) |
|
| 59 |
throws SQLException, ClassNotFoundException {
|
|
| 60 |
|
|
| 61 |
// Load the Oracle JDBC driver |
|
| 62 |
Class.forName (dbDriver); |
|
| 63 |
|
|
| 64 |
// Connect to the database |
|
| 65 |
Connection conn = DriverManager.getConnection( connection, user, password); |
|
| 66 |
return conn; |
|
| 67 |
} |
|
| 68 |
|
|
| 69 |
/** |
|
| 70 |
* Utility method to get an option value from the properties file |
|
| 71 |
* |
|
| 72 |
* @param option_name the name of the option requested |
|
| 73 |
*/ |
|
| 74 |
public String getOption(String option_name) {
|
|
| 75 |
// Get the configuration file information |
|
| 76 |
if (options == null) {
|
|
| 77 |
options = (PropertyResourceBundle) |
|
| 78 |
PropertyResourceBundle.getBundle(propertiesFile); |
|
| 79 |
} |
|
| 80 |
String value = (String)options.handleGetObject(option_name); |
|
| 81 |
return value; |
|
| 82 |
} |
|
| 83 |
|
|
| 84 |
/** Utility method to convert a file handle into a URL */ |
|
| 85 |
public static URL fileToURL(File file) |
|
| 86 |
{
|
|
| 87 |
String path = file.getAbsolutePath(); |
|
| 88 |
String fSep = System.getProperty("file.separator");
|
|
| 89 |
if (fSep != null && fSep.length() == 1) |
|
| 90 |
path = path.replace(fSep.charAt(0), '/'); |
|
| 91 |
if (path.length() > 0 && path.charAt(0) != '/') |
|
| 92 |
path = '/' + path; |
|
| 93 |
try {
|
|
| 94 |
return new URL("file", null, path);
|
|
| 95 |
} |
|
| 96 |
catch (java.net.MalformedURLException e) {
|
|
| 97 |
/* According to the spec this could only happen if the file |
|
| 98 |
protocol were not recognized. */ |
|
| 99 |
throw new Error("unexpected MalformedURLException");
|
|
| 100 |
} |
|
| 101 |
} |
|
| 102 |
|
|
| 103 |
/** |
|
| 104 |
* Utility method to print debugging messages |
|
| 105 |
* |
|
| 106 |
* @param flag an integer indicating the message number |
|
| 107 |
*/ |
|
| 108 |
public static void debugMessage(int flag) {
|
|
| 109 |
if (debug) {
|
|
| 110 |
System.err.println("DEBUG FLAG: " + flag);
|
|
| 111 |
} |
|
| 112 |
} |
|
| 113 |
|
|
| 114 |
/** |
|
| 115 |
* Utility method to print debugging messages |
|
| 116 |
* |
|
| 117 |
* @param flag an integer indicating the message number |
|
| 118 |
*/ |
|
| 119 |
public static void debugMessage(String msg) {
|
|
| 120 |
if (debug) {
|
|
| 121 |
System.err.println(msg); |
|
| 122 |
} |
|
| 123 |
} |
|
| 124 |
} |
|
| 125 |
|
|
| 0 | 126 | |
Also available in: Unified diff
Added marine files to metacat package