Metacat

     */

    public static final String              FGDC_DATA_FILE_DOCID_XPATH = "/metadata/distinfo/stdorder/digform/digtopt/onlinopt/computer/networka/networkr";

    /**

     * Metadata Document ID location within an FGDC document.  XPath expression.

     */

    public static final String              FGDC_DOCID_XPATH = "/metadata/distinfo/resdesc";

    /**

     * Identifies the FGDC DTD.

    }

    private static String removeDataDocIdFromFGDC(String docId, String parentDocId, ClientViewHelper clientViewHelper) throws Exception {

        Document                        doc;

        InputStream                     response;

        BufferedReader                  buffy;

        //*** Get the metadata document and remove the digform branch.

        doc = clientViewHelper.getMetadataDoc();

        if (doc != null) {

            node = (Node) xpath.evaluate(pathToDigform, doc.getDocumentElement(), XPathConstants.NODE);

            node.getParentNode().removeChild(node);

            revision = clientViewHelper.nextVersion(parentDocId, xPathQuery);

            reader = XMLUtilities.getDOMTreeAsReader(doc.getDocumentElement(), false);

            clientViewHelper.getMetacatClient().update(revision, reader, null);

 * @author barteau

 */

public abstract class ClientHtmlHelper {

    /**

     * JSP API: A static helper method which takes a map (key, value pairs) and returns

            obj = map.get(key);

            if (obj instanceof String) {

                item = (String) obj;

                result += item;

            } else if (obj instanceof Vector) {

                vector = (Vector) obj;

                completeIterIt = vector.iterator();

                while (completeIterIt.hasNext()) {

                    item = (String) completeIterIt.next();

                    optGrp += item;

                }

                result += item;

            }

        }

        return(result);

    }

    private int                                         sizeLimit;

    private String                                      contactName = "";

    /**

     * Creates a new instance of ClientViewHelper

     */

    public ClientViewHelper(HttpServletRequest request) throws MetacatInaccessibleException {

        String                              host, context, button, tmp;

        clientSession = request.getSession();

        host = request.getHeader("host");

        context = request.getContextPath();

        //metacatPath = String.format(metacatPath, host, context);

        metacatClient = (MetacatClient) MetacatFactory.createMetacatConnection(metacatPath);

        sizeLimit = (new Integer(MetaCatUtil.getOption("datafilesizelimit"))).intValue();

    }

            try {

                if (action.equals("Login")) {

                    //posted_ldapUserName = String.format(LDAP_TEMPLATE, clientViewBean.getUsername(), clientViewBean.getOrganization());

                    serverResponse = metacatClient.login(posted_ldapUserName, clientViewBean.getPassword());

                    setLoggedIn(serverResponse);

                            result = "Update not performed: the Metadata file has no prior Metacat info in it.";

                        } else {

                            //xPathQuery = String.format(ClientFgdcHelper.XPATH_QUERY_TEMPLATE, lastDocId);

                            //*** Update the metadata with the new Doc Id version.

                            newDocId = nextVersion(lastDocId, xPathQuery);

                            //*** Upload the metadata file to metacat.

                    }

                } else {

                    //*** This is a data file.

                    //newDocId = "TODO";

                    //reader = null; //TODO

        Vector                          optGroup;

        final String                    DOCID_EXPR = "./docid";

        final String                    DOCNAME_EXPR = "./createdate";

        path = clientViewBean.getPathExpr();

        returnFld = clientViewBean.getReturnfield();

        result = new TreeMap();

        //paramExpr = String.format(PARAM_EXPR, returnFld);

        //*** Query the database ***

        doc = query(path, value, returnFld);

        //*** Build the TreeMap to return ***

        String                      result = null, tokens[], scope, ready2Split, tmp;

        int                         vers, docNum;

        final int                   LAST_TOKEN = 2;

        Node                        node;

        //*** Parse the last Doc Id, and increment the version number.

                try {

                    vers = Integer.parseInt(tokens[LAST_TOKEN]);

                    //result = String.format(TEMPLATE, scope, docNum, 1 + vers);

                } catch (NumberFormatException ex) {

                    //*** In case the lastDocId has something other than a number.

                    //result = String.format(TEMPLATE, scope, docNum, 1);

                }

            } else {

                //*** In case the lastDocId ends with a '.'

    private String nextDocId(String lastDocId, String scope) {

        String                      result = null, tokens[], tmp;

        int                         vers;

        if(lastDocId != null && lastDocId.contains(".")) {

            lastDocId = lastDocId.replace('.','~'); //*** This is necessary for the split to work.

                try {

                    vers = Integer.parseInt(tokens[1]);

                    //result = String.format(template, 1 + vers, 1);

                } catch (NumberFormatException ex) {

                    //*** In case the lastDocId has something other than a number.

                    //result = String.format(template, 1, 1);

                }

            } else {

                //*** In case the lastDocId ends with a '.'

                //result = String.format(template, 1, 1);

            }

        } else {

            //*** In case there isn't any doc Id's with the user name.

            //result = String.format(template, 1, 1);

        }

        return(result);

    }