How can I dynamic modify bc4j.xcfg

Hi,
I am developing application using Jclient and BC4J.
I would like to let users to select different database, user account and change their password in the application runtime period.
Since BC4J uses bc4j.xcfg xml file to connect to database. How can I write code to modify the bc4j.xcfg file
Any suggestions will be appreciated.
Jinsen

I plan to solve the same problem (but JSP client, not JClient).
And I thing solution is How To Support Dynamic JDBC Credentials (http://otn.oracle.com/products/jdev/howtos/bc4j/howto_dynamic_jdbc.html). But don't know if it applies to JClient too...

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How can I dynamically specify a Column Name in a Where Clause of a DB

I have a page that query the Database based on the column Name and values entered by the user. on this page I have a drop down list of all the Column names and a text field. The user can choose from any of the dropdown list option to set the column Name and also enter a value.How can I dynamically pass the option choosed by the user from the drop down list to the dataProvider in seesionBean1 as a column Name???Help

Hi,
This is a working example of a search form.
In the JSP page we have several texts box, a table bound to a DataProvider with the rowSet in the SessionBean and a search button.
JSP source:
                <ui:body binding="#{PackageAirtime.body1}" id="body1">
                    <ui:form binding="#{PackageAirtime.form1}" id="form1">
                        <table border="0">
                            <tr>
                                <td>
                                    <table border="0" width="100%">
                                        <tr>
                                            <td>
                                                <ui:label binding="#{PackageAirtime.pageTitle}" id="pageTitle" text="Package Airtime"/>
                                                <br/>
                                                <br/>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td>
                                                <table border="0" cellpadding="2" cellspacing="2">
                                                    <tr>
                                                        <td>Package ID:</td>
                                                        <td>
                                                            <ui:textField binding="#{PackageAirtime.textPackageID}"
                                                                id="textPackageID"/>
                                                            <ui:button
                                                                binding="#{PackageAirtime.buttonPackageID}" id="buttonPackageID"
                                                                onClick="handlePackageIDPopup(); return false;" text="..." toolTip="Open package locator"/>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td>Airtime Code:</td>
                                                        <td>
                                                            <ui:textField binding="#{PackageAirtime.textAirtimeCode}"
                                                                id="textAirtimeCode"/>
                                                            <ui:button
                                                                action="#{PackageAirtime.buttonAirtimeCode_action}"
                                                                binding="#{PackageAirtime.buttonAirtimeCode}" id="buttonAirtimeCode"
                                                                onClick="handleAirtimeCodePopup(); return false;" text="..." toolTip="Open airtime code locator"/>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td></td>
                                                        <td>
                                                            <ui:button action="#{PackageAirtime.searchButton_action}" binding="#{PackageAirtime.searchButton}"
                                                                id="searchButton" text="Search" toolTip="Search records"/>
                                                        </td>
                                                    </tr>
                                                </table>
                                                <br/>
                                                <ui:staticText binding="#{PackageAirtime.staticTextSearchResults}" id="staticTextSearchResults"/>
                                                <br/>
                                                <ui:table binding="#{PackageAirtime.searchResults}" id="searchResults" paginationControls="true">
                                                    <script>
/* ----- Functions for Table Preferences Panel ----- */
* Toggle the table preferences panel open or closed
function togglePreferencesPanel() {
var table = document.getElementById("form1:table1");
table.toggleTblePreferencesPanel();
/* ----- Functions for Filter Panel ----- */
* Return true if the filter menu has actually changed,
* so the corresponding event should be allowed to continue.
function filterMenuChanged() {
var table = document.getElementById("form1:table1");
return table.filterMenuChanged();
* Toggle the custom filter panel (if any) open or closed.
function toggleFilterPanel() {
var table = document.getElementById("form1:table1");
return table.toggleTableFilterPanel();
/* ----- Functions for Table Actions ----- */
* Initialize all rows of the table when the state
* of selected rows changes.
function initAllRows() {
var table = document.getElementById("form1:table1");
table.initAllRows();
* Set the selected state for the given row groups
* displayed in the table. This functionality requires
* the 'selectId' of the tableColumn to be set.
* @param rowGroupId HTML element id of the tableRowGroup component
* @param selected Flag indicating whether components should be selected
function selectGroupRows(rowGroupId, selected) {
var table = document.getElementById("form1:table1");
table.selectGroupRows(rowGroupId, selected);
* Disable all table actions if no rows have been selected.
function disableActions() {
// Determine whether any rows are currently selected
var table = document.getElementById("form1:table1");
var disabled = (table.getAllSelectedRowsCount()>0)?false : true;
// Set disabled state for top actions
document.getElementById("form1:table1:tableActionsTop:deleteTop").setDisabled(disabled);
// Set disabled state for bottom actions
document.getElementById("form1:table1:tableActionsBottom:deleteBottom").setDisabled(disabled);
}</script>
                                                    <f:facet name="title">
                                                        <ui:staticText binding="#{PackageAirtime.table1Title}" id="table1Title" text="Package Airtime search results"/>
                                                    </f:facet>
                                                    <ui:tableRowGroup binding="#{PackageAirtime.tableRowGroup1}"
                                                        emptyDataMsg="No records matching the search criteria" id="tableRowGroup1"
                                                        sourceData="#{PackageAirtime.s23_package_airtimeDataProvider}" sourceVar="currentRow">
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn1}" headerText="Package ID" id="tableColumn1" sort="S23_PACKAGE">
                                                            <ui:staticText binding="#{PackageAirtime.staticText1}" id="staticText1" text="#{currentRow.value['S23_PACKAGE']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn2}" headerText="Airtime Code" id="tableColumn2" sort="S23_AT_CODE">
                                                            <ui:staticText binding="#{PackageAirtime.staticText2}" id="staticText2" text="#{currentRow.value['S23_AT_CODE']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn7}" headerText="Prepaid Value" id="tableColumn7">
                                                            <ui:staticText binding="#{PackageAirtime.staticText6}" id="staticText6" text="#{currentRow.value['SUBR_AT_PREPAID_PERIOD_VAL']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn8}" headerText="Prepaid Type" id="tableColumn8">
                                                            <ui:staticText binding="#{PackageAirtime.staticText7}" id="staticText7" text="#{currentRow.value['SUBR_AT_PREPAID_TYPE']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn4}" headerText="Start" id="tableColumn4" sort="PRSM_PK_START">
                                                            <ui:staticText binding="#{PackageAirtime.staticText3}" id="staticText3" text="#{currentRow.value['PRSM_PK_START']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn5}" headerText="End" id="tableColumn5">
                                                            <ui:staticText binding="#{PackageAirtime.staticText4}" id="staticText4" text="#{currentRow.value['PRSM_PK_END']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn6}" headerText="Units" id="tableColumn6">
                                                            <ui:staticText binding="#{PackageAirtime.staticText5}" id="staticText5" text="#{currentRow.value['PRSM_PK_UNITS']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn9}" headerText="Carry-over limit" id="tableColumn9" valign="Top">
                                                            <ui:staticText binding="#{PackageAirtime.staticText8}" id="staticText8" text="#{currentRow.value['ROM_PLAN_CARRY_LMT']}"/>
                                                        </ui:tableColumn>
                                                        <ui:tableColumn binding="#{PackageAirtime.tableColumn3}" headerText="Details" id="tableColumn3" width="100">
                                                            <ui:hyperlink action="#{PackageAirtime.viewpackageAT_action}" binding="#{PackageAirtime.hyperlink1}"
                                                                id="hyperlink1" text="View"/>
                                                        </ui:tableColumn>
                                                    </ui:tableRowGroup>
                                                </ui:table>
                                            </td>
                                        </tr>
                                    </table>
                                </td>
                            </tr>
                        </table>
                    </ui:form>
                </ui:body>
...JAVA source:
    public void prerender() {
        search_action();
    public String search_action() {
        try {
            String command = "SELECT s23_package, s23_at_code, prsm_pk_start, prsm_pk_end, prsm_pk_units, subr_at_prepaid_period_val, subr_at_prepaid_type, subr_disc_type, subr_disc_rate, subr_disc_value, subr_disc_perm, subr_at_prepaid_bill_per_val, subr_at_prepaid_recurring, s23_package_fwd, s23_at_code_fwd, prsm_pk_start_fwd, subr_ppa_infinite, subr_ppa_carry_over, rom_plan_carry_lmt FROM s23_package_airtime, ROM_23_PPLAN_COMP where rom_23_pack_plan = s23_package";
            String where = "";
            String packageID = (String)textPackageID.getText();
            if (packageID == null) {
                packageID = "";
            packageID = packageID.replace("'", "''");
            if (packageID != "") {
                if (where != "") {
                    where += " AND ";
                where += "upper(S23_PACKAGE) LIKE upper('" + packageID + "%')";
            String airtimeCode = (String)textAirtimeCode.getText();
            if (airtimeCode == null) {
                airtimeCode = "";
            airtimeCode = airtimeCode.replace("'", "''");
            if (airtimeCode != "") {
                if (where != "") {
                    where += " AND ";
                where += " upper(S23_AT_CODE) LIKE upper('" + airtimeCode + "%')";
            if (where != "") {
                command += " AND " + where;
            this.getSessionBean1().getS23_package_airtimeRowSet().setCommand(command);
            this.staticTextSearchResults.setText(tdi.business.Utils.getRowCountMessage(s23_package_airtimeDataProvider.getRowCount()));
        catch (Exception e) {
            log("Error during search for packages airtime", e);
        return null;
    public String searchButton_action() {
        search_action();
        this.tableRowGroup1.setFirst(0);
        return "";
    }I put the search_action() call in the prerender() to have data in my table when the page is open. For a large resultset the best aproach is to let the user select some search criteria and then call the search_action() using a button (searchButton_action() ).
I've added a hyperlink column to my table, it is used to display the current record details in a new page.
I have defined in my SessionBean a getRowkey/setRowkey methods.
When the user click on a "View" hiperlink the following code is executed:
    public String viewpackageAT_action() {
        RowKey row = tableRowGroup1.getRowKey();
        this.getSessionBean1().setPackageAirtimeRowKey(row);
        return "packageairtime_details";
    }I will step over the "Page Navigation".
In the Detail Page I have the following code:
    public void init() {
       this.s23_package_airtimeDataProvider.setCursorRow(this.getSessionBean1().getPackageAirtimeRowKey());
}Now I have the detail page opened and also the DataProvider opened at the saved RowKey value.
Finally, in the SessionBean:
     * Holds value of property packageAirtimeRowKey.
    private RowKey packageAirtimeRowKey;
     * Getter for property packageAirtimeRowKey.
     * @return Value of property packageAirtimeRowKey.
    public RowKey getPackageAirtimeRowKey() {
        return this.packageAirtimeRowKey;
     * Setter for property packageAirtimeRowKey.
     * @param packageAirtimeRowKey New value of property packageAirtimeRowKey.
    public void setPackageAirtimeRowKey(RowKey packageAirtimeRowKey) {
        this.packageAirtimeRowKey = packageAirtimeRowKey;
    }Note: You should enable page navigation in the result(s) table.
That's about it :)
Hope this helps,
Catalin Florean.

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repost

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quote:
Originally posted by:
ljonny18
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Jon.
Hi,
a few hours ago I stumbled across this cookbook entry - it
didn't solve MY problem, but maybe it provides a way to solve your
problem?
http://www.adobe.com/cfusion/communityengine/index.cfm?event=showdetails&postId=61&product Id=2&loc=en_US
From the article:
quote:
Changing the background color of a DataGrid cell is not as
simple as changing some style because the default renderer for a
DataGrid cell does not have a backgroundColor. Therefore, to do
this simple task, you have to create a custom itemRenderer where
you draw your own background in the updateDisplayList function.
HTH
Uwe

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