Revision 385
Added by berkley over 24 years ago
| src/edu/ucsb/nceas/metacat/marine/marineServlet.java | ||
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* National Center for Ecological Analysis and Synthesis |
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* Authors: Chad Berkley |
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* |
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* '$Author$' |
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* '$Author$'
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* '$Date$' |
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* '$Revision$' |
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*/ |
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public class marineServlet extends edu.ucsb.nceas.metacat.MetaCatServlet |
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{
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MetaCatUtil util = new MetaCatUtil(); |
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/** |
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* Transorms an xml resultset document to html and sends it to the browser |
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* @param resultdoc the string representation of the document that needs |
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HttpServletResponse response, |
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PrintWriter out) |
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{
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MetaCatUtil util = new MetaCatUtil(); |
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Connection conn = null; |
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try |
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{
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response.setContentType("text/html");
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trans.transformXMLDocument(resultdoc, "-//NCEAS//marineresultset//EN", |
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"-//W3C//HTML//EN", out); |
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util.returnConnection(conn); |
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util.closeConnections(); |
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} |
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catch(Exception e) |
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{
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if (conn != null) |
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out.println("error: " + e.getMessage());
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//if (conn != null) |
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{
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util.returnConnection(conn); |
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util.returnConnection(conn); |
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util.closeConnections(); |
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} |
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} |
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} |
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/** |
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* Formats the text in the <query> tag so that the tag name is the name |
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* of the field and the content is the query itself. This is used to |
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* fill in the text boxes in the xsl created html form. |
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* |
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* @param param is the query parameters from the CGI |
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*/ |
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protected String transformQuery(Hashtable params) |
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{
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StringBuffer query = new StringBuffer(); |
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Object nextkey = null; |
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Object nextelement = null; |
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Enumeration elements = params.elements(); |
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Enumeration keys = params.keys(); |
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while(keys.hasMoreElements() && elements.hasMoreElements()) |
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{
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nextkey = keys.nextElement(); |
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nextelement = elements.nextElement(); |
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//allow for more than value per field name |
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for(int i=0; i<((String[])nextelement).length; i++) |
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{
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if(((String[])nextelement).length > 1) |
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{ //this allows multiple values to be returned if there is more than
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//one of this field in the query. |
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//(String)nextkey += String.valueOf(i); |
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} |
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query.append("<").append((String)nextkey).append(">");
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if(!((String[])nextelement)[i].equals(""))
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{
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query.append(((String[])nextelement)[i]); |
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} |
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query.append("</").append((String)nextkey).append(">");
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} |
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} |
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System.out.println(query.toString()); |
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return query.toString(); |
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} |
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} |
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Also available in: Unified diff
marineServlet now overrides the transformQuery() function to allow it to put the values back into the text boxes of the xsl stylesheet rendered form.