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In the UserInputSpec.xml resource, define a panel containing the main input fields for a MSSQL database connection, containing several field validators to directly verify the user input of each single input field:
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<panel id="panel.mssql"> <field id="panel.mssql.title" txt="Microsoft SQL Server Connection" type="title"/> <field type="text" variable="mssql.host"> <spec id="panel.mssql.host" size="30" txt="DB host name:"/> <validator class="com.izforge.izpack.panels.userinput.validator.NotEmptyValidator" id="panel.mssql.host.error" txt="The host name must not be empty!"/> </field> <field type="space"/> <field type="rule" variable="mssql.port"> <spec id="panel.mssql.port" layout="N:5:5" txt="Port:"/> <validator class="com.izforge.izpack.panels.userinput.validator.NotEmptyValidator" id="panel.mssql.port.error" txt="The port must not be empty!"/> <validator class="com.izforge.izpack.panels.userinput.validator.IsPortValidator" id="panel.mssql.port.error.invalid" txt="The port is invalid!"/> </field> <field type="space"/> <field type="divider"/> <field type="space"/> <field type="text" variable="mssql.user"> <spec id="panel.mssql.user" size="20" txt="User name:"/> <validator class="com.izforge.izpack.panels.userinput.validator.RegularExpressionValidator" id="panel.mssql.user.error" txt="The user name is invalid!"> <param name="pattern" value="[a-zA-Z0-9._-]+"/> </validator> </field> <field type="space"/> <field type="password" variable="mssql.password"> <spec> <pwd id="panel.mssql.password" size="20" txt="Password:"/> </spec> <validator class="com.izforge.izpack.panels.userinput.validator.NotEmptyValidator" id="panel.mssql.password.error" txt="The password must not be empty!"/> </field> </panel> |
The installer descriptor contains elements like this containing a panel validator verifying the connection assembled from the values of all user input fields in summary if he/she presses Next:
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<resources
<res id="userInputSpec.xml" src="@{izpack.build.directory}/userInputSpec.xml"/>
</resources>
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<!-- Maven dependency after invoking dependency:properties in the POM -->
<jar src="@{net.sourceforge.jtds:jtds:jar}" stage="install"/>
<jar src="@{com.mysoft:validators:jar}" stage="install"/>
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<panel classname="UserInputPanel" id="panel.mssql">
<validator classname="com.mysoft.izpack.validators.MssqlConnectionValidator"/>
</panel> |
Last but not least there is one custom panel validator MssqlConnectionValidator:
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