Raible's Wiki: ValidationAndList

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To use the Struts Validator, normally you have to write a validation.xml file by hand. If you're not using AppFuse, you also have to configure the Validator Plugin and error keys in your ApplicationResources_en.properties. For more information on this, see the [Validation Made Easy Tutorial|http://www.reumann.net/struts/lesson3/step8.do] (there's also a [rich set of tutorials|http://www.reumann.net/struts/main.do] for Struts itself).

To use the Struts Validator, normally you have to write a validation.xml file by hand. If you're not using AppFuse, you also have to configure the Validator Plugin and error keys in your ApplicationResources.properties. For more information on this, see the [Validation Made Easy Tutorial|http://www.learntechnology.net/struts-lesson-3.do] (there's also a [rich set of tutorials|http://www.learntechnology.net/struts-lesson-1.do] for Struts itself).

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To enable client-side validation in our personForm.jsp, a javascript JSP tag and script is required at the bottom of personForm.jsp. The following should already exist (thanks to appgen) - you just need to uncomment it. The reason it's commented out is that the Validator will throw an exception if a formName is specified and no validation rules exist for it.

Client-side validation is enabled by default in personForm.jsp. There is an <html:javascript> JSP tag and script at the bottom of this page that enables it. The following should already exist (thanks to AppGen) - but you might need to uncomment it if you commented it out in the last tutorial.

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;:''Personally, I think this is [a bug|http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27316], but the Struts Committers disagreed.''

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To make sure things are ''really'' working as expected, you can turn off JavaScript and ensure the server-side validation is working. This is easy in [Mozilla Firebird|http://www.mozilla.org/products/firebird/] (my favorite browser), just go to Tools → Options → Web Features and uncheck "Enable JavaScript". Now if you clear the fields and save the form, you should see the following:

To make sure things are ''really'' working as expected, you can turn off JavaScript and ensure the server-side validation is working. This is easy in [Firefox|http://www.mozilla.org/products/firefox/] (my favorite browser), just go to Tools → Options → Web Features and uncheck "Enable JavaScript". Now if you clear the fields and save the form, you should see the following:

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Example ex = Example.create(person).ignoreCase().enableLike(MatchMode.ANYWHERE);

Example ex = Example.create(person).ignoreCase().ignoreZeroes()

.enableLike(MatchMode.ANYWHERE);

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Open the personList.jsp file in ''web/pages''. At the top of the file is a <bean:struts> tags that exposes the edit screen's forward as a page-scoped variable. This should already have a value of "editPerson".

Open the personList.jsp file in ''web/pages''. You'll probably want to change the code to show the plural form of the items you're listing. The generated name in this example is "persons" and it should probably be people. At or near line 31, you should have the following line:

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[{Java2HtmlPlugin

<%-- For linking to edit screen --%>

<bean:struts id="editURL" forward="editPerson"/>

}]

Add this to the metadata/web/global-forwards.xml, as well as one for viewing the list. This way, they will get included in our struts-config.xml file.

[{Java2HtmlPlugin

}]

Another thing you'll probably want to change is the plural form of the items you're listing. The generated name in this example is "persons" and it should probably be people. At or near line 31, you should have the following line:

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Finally, add the title and heading keys (personList.title and personList.heading) to web/WEB-INF/classes/ApplicationResources_en.properties. Open this file and add the following:

Finally, add the title and heading keys (personList.title and personList.heading) to web/WEB-INF/classes/ApplicationResources.properties. Open this file and add the following:

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We use "viewPeople" instead of "list" so that the search method will be executed, rather than simply forwarding to the personForm.jsp (which the "list" forward points to).

Finally, declare the viewPeople forward in metadata/web/global-forwards.xml after viewUsers as below:

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{{{<forward name="viewPeople" path="/editPerson.html?method=Search"/>}}}

The name "viewPeople" is used instead of "list" so that the search method will be executed, rather than simply forwarding to the personForm.jsp (which the "list" forward points to).

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Where ''menu.viewPeople'' is an entry in web/WEB-INF/classes/ApplicationResources_en.properties.

Where ''menu.viewPeople'' is an entry in web/WEB-INF/classes/ApplicationResources.properties.

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