Custom component and non-primitive types of attributes

Question

Dear programmers
I try to develope a custom UI component that one of its attribute is an ArrayList. For example:
<productFile:Matrix images="#{MyBean.imagesArray}"/>Unfortuanetly I get the following exception:
[Unable to convert string &#39;#{MyBean.imagesArray}&#39; to class java.util.ArrayList for attribute images: java.lang.IllegalArgumentException: Property Editor not registered with the PropertyEditorManager]: org.apache.jasper.JasperException: Unable to convert string '#{MyBean.imagesArray}' to class java.util.ArrayList for attribute images: java.lang.IllegalArgumentException: Property Editor not registered with the PropertyEditorManager
The attribute images is an ArrayList in the custom component.
I have also specifieded it as an ArrayList in the tld file:
<tag>
       <name>Matrix</name>
       <tag-class>org.sii.productfilejsf.tags.MatrixTag</tag-class>
       <body-content>JSP</body-content>
       <attribute>
            <name>images</name>
            <required>false</required>
            <rtexprvalue>false</rtexprvalue>
            <type>java.util.ArrayList</type>
       </attribute>
  </tag>Does anyone has an idea what can be the problem?
How can I convert the expression?

Answer 1

so how will I be able to convert it?Only your converter knows it.
By the way, is your Matrix component fully completed including its children components?
If yes, you should know how to implement a converter, or its equivalent code for them.
For example, in the <h:dataTable> component, if its value attribute points an array of object,
then it is automatically converted to an appropriate DataModel used by its column children.
We may need to see your MyBean bean and related code set, if we have enough time.