I am making a more user friendly (Swing) tool for performing import/exports of table data via hadoop.io.sequencefile. (Currently using Accumulo 1.5.0 w/ cdh4u5)

The first thing I do is load a list of tables into a swing component using the http://monitorURL/xml URL and JAXB:

    private void loadTables() {
        try {
            jaxbContext = JAXBContext.newInstance(Stats.class);
            jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            jaxbMarshaller = jaxbContext.createMarshaller();

            Stats stats = (Stats) jaxbUnmarshaller.unmarshal(
                    new URL("http://"
                            + associatedHost.getHostname()
                            + ":"
                            + associatedHost.getUi_port()
                            + "/xml"));
            String results = new String();
            for (Table t : stats.getTables().getTable()) {
                results = results.concat(t.getTablename() + "\r\n");
        } catch (Exception err) {

Then I create a ZooKeeperInstance, and call the 'getConnector' method to get a connector used for scanning:
        try {
            connector = zooInstance.getConnector(username, password.getBytes());
        } catch (Exception err) {

Since, I now have the connector, I can get the 'user' Authorizations class for the export tool's client.Scanner:

this.authorizations = connector.securityOperations().getUserAuthorizations(username);

The part I am not sure how to do is automatically determine the 'instance name' or 'instance uuid' when constructing the ZooKeeperInstance.  I can see both strings displayed on the header of the Accumulo Monitor:

<div id='subheader'>Instance Name: gm   Version: 1.5.0
<br><span class='smalltext'>Instance ID: a85286bf-031c-4e24-9b47-f6aca34401b8</span>
<br><span class='smalltext'>Tue Jan 28 12:15:41 EST 2014</span></div>

But I do not see any 'clean' way to retrieve it using the Java API, without doing a parse of the monitor's HTML.  Which feels dirty.

This leaves me with one option, for the user to specify the instance name before clicking 'Export Tables'.  Which I think is a bit silly considering the user has already entered and saved the MonitorURL, dbUsername and dbPassword within the tool.  Thoughts?

Thanks in advance to anyone who read this far!

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