Revision 47
Added by Matt Jones over 24 years ago
src/edu/ucsb/nceas/metacat/MetaCatServlet.java | ||
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import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpUtils; |
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/** |
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* A metadata catalog server implemented as a Java Servlet |
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throws ServletException, IOException { |
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PrintWriter out; |
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String query = "Value1"; |
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// Get the parameters from the form |
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String querystring = request.getQueryString(); |
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Hashtable params = HttpUtils.parseQueryString(querystring); |
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String[] query = (String[])params.get("query"); |
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// Run the query |
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Hashtable nodelist = queryobj.findRootNodes(query); |
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Hashtable nodelist = queryobj.findRootNodes(query[0]);
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// set content type and other response header fields first |
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response.setContentType("text/xml"); |
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long nodeid; |
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out.println("<?xml version=\"1.0\"?>\n"); |
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out.println("<resultset>\n"); |
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out.println(" <query>" + query[0] + "</query>"); |
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Enumeration rootlist = nodelist.keys(); |
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while (rootlist.hasMoreElements()) { |
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nodeid = ((Long)rootlist.nextElement()).longValue(); |
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out.close(); |
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} |
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public void doPost( HttpServletRequest req, HttpServletResponse res )
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public void doPost( HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException { |
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PrintWriter out; |
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// set content type and other response header fields first |
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response.setContentType("text/html"); |
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// then write the data of the response |
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out = response.getWriter(); |
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out.println("POST detected"); |
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out.close(); |
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} |
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} |
intro.html | ||
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<!-- |
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* contents.html |
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* |
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* Authors: Matt Jones |
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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 April 5 |
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* Version: 0.01 |
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* File Info: '$Id$' |
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* |
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* This is an HTML document for displaying examples of the use of |
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* Oracle XML tools |
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--> |
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<html> |
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<head> |
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<title>MetaCat</title> |
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</head> |
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<body bgcolor="white"> |
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<b>MetaCat</b> |
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<p> |
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A simple query against a flexible metadata catalog. |
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</p> |
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</body> |
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</html> |
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contents.html | ||
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<!-- |
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* contents.html |
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* |
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* Authors: Matt Jones |
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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 April 5 |
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* Version: 0.01 |
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* File Info: '$Id$' |
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* |
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* This is an HTML document for displaying examples of the use of |
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* Oracle XML tools |
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--> |
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<html> |
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<head> |
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<title>MetaCat</title> |
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</head> |
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<body bgcolor="white"> |
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<b>MetaCat Query</b> |
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<p> |
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Simple database query against MetaCat<br> |
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<form action="servlets/MetaCatServlet" target="right" method="GET"> |
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<input type="text" name="query" size="15"> |
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<input type="submit" value="Run query"> |
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</form> |
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<p> |
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</body> |
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</html> |
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MetaCatServlet.java | ||
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import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpUtils; |
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/** |
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* A metadata catalog server implemented as a Java Servlet |
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throws ServletException, IOException { |
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PrintWriter out; |
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String query = "Value1"; |
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// Get the parameters from the form |
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String querystring = request.getQueryString(); |
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Hashtable params = HttpUtils.parseQueryString(querystring); |
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String[] query = (String[])params.get("query"); |
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// Run the query |
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Hashtable nodelist = queryobj.findRootNodes(query); |
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Hashtable nodelist = queryobj.findRootNodes(query[0]);
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// set content type and other response header fields first |
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response.setContentType("text/xml"); |
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long nodeid; |
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out.println("<?xml version=\"1.0\"?>\n"); |
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out.println("<resultset>\n"); |
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out.println(" <query>" + query[0] + "</query>"); |
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Enumeration rootlist = nodelist.keys(); |
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while (rootlist.hasMoreElements()) { |
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nodeid = ((Long)rootlist.nextElement()).longValue(); |
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out.close(); |
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} |
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public void doPost( HttpServletRequest req, HttpServletResponse res )
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public void doPost( HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException { |
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PrintWriter out; |
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// set content type and other response header fields first |
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response.setContentType("text/html"); |
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// then write the data of the response |
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out = response.getWriter(); |
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out.println("POST detected"); |
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out.close(); |
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} |
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} |
lib/contents.html | ||
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<!-- |
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* contents.html |
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* |
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* Authors: Matt Jones |
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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 April 5 |
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* Version: 0.01 |
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* File Info: '$Id$' |
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* |
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* This is an HTML document for displaying examples of the use of |
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* Oracle XML tools |
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--> |
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<html> |
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<head> |
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<title>MetaCat</title> |
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</head> |
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<body bgcolor="white"> |
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<b>MetaCat Query</b> |
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<p> |
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Simple database query against MetaCat<br> |
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<form action="servlets/MetaCatServlet" target="right" method="GET"> |
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<input type="text" name="query" size="15"> |
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<input type="submit" value="Run query"> |
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</form> |
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<p> |
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</body> |
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</html> |
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lib/index.html | ||
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<!-- |
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* index.html |
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* |
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* Authors: Matt Jones |
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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 April 5 |
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* Version: 0.01 |
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* File Info: '$Id$' |
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* |
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* This is an HTML document for displaying metadata catalog tools |
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--> |
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<HTML> |
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<HEAD> |
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<TITLE>MetaCat</TITLE> |
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</HEAD> |
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<FRAMESET ROWS="*" FRAMEBORDER=0 BORDER=0> |
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<FRAMESET COLS="250,*" FRAMEBORDER=0 BORDER=0> |
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<FRAME SRC="contents.html" BORDER=0 NAME="left"> |
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<FRAME SRC="intro.html" BORDER=0 NAME="right"> |
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</FRAMESET> |
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</FRAMESET> |
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index.html | ||
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<!-- |
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* index.html |
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* |
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* Authors: Matt Jones |
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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 April 5 |
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* Version: 0.01 |
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* File Info: '$Id$' |
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* |
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* This is an HTML document for displaying metadata catalog tools |
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--> |
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<HTML> |
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<HEAD> |
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<TITLE>MetaCat</TITLE> |
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</HEAD> |
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<FRAMESET ROWS="*" FRAMEBORDER=0 BORDER=0> |
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<FRAMESET COLS="250,*" FRAMEBORDER=0 BORDER=0> |
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<FRAME SRC="contents.html" BORDER=0 NAME="left"> |
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<FRAME SRC="intro.html" BORDER=0 NAME="right"> |
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</FRAMESET> |
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</FRAMESET> |
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Also available in: Unified diff
improvements to MetaCatServlet engine, added html access pages for catalog query