Hi,
I know. This is an issue w/ the JSP spec;
For instance, String is also not null, it become "" ...
I strongly suggest to talk to the following EGs:
-JSP
-JSF
-Matthias
On Tue, Oct 14, 2008 at 9:52 PM, aruben <[EMAIL PROTECTED]> wrote:
>
> Hello,
>
> i migrated my webapp to jsf 1.2 and encountered an problem with the setting
> of my backing bean properties.
>
> When i submit a form with no values entered, the backing bean properties
> (Double, Long, Number) are filled with 0.0 instead of null.
>
> I found the following lines of code in the class
> org.apache.el.lang.ELSupport:
>
> private final static Long ZERO = new Long(0L);
>
> public final static Number coerceToNumber(final Object obj) {
> if (obj == null) {
> return ZERO;
> } else if (obj instanceof Number) {
> return (Number) obj;
> } else {
> String str = coerceToString(obj);
> if (isStringFloat(str)) {
> return toFloat(str);
> } else {
> return toNumber(str);
> }
> }
> }
>
> Why the return ZERO ? On the jspx i see the 0.0 in the input fields. When i
> now submit the site the 0.0 values are saved in my database. But the values
> should be set to null.
> Are there any workarounds for this problem.
>
> Thanks for the help
> Alex
>
>
> tomcat-6.0.16
> facelet´s
>
> used jar´s:
>
> activation_1.1.jar
> antlr-2.7.6.jar
> asm_1.5.3.jar
> aspectjweaver-1.5.jar
> c3p0-0.9.0.jar
> cglib-2.1.3.jar
> commons-beanutils-1.7.0.jar
> commons-codec-1.3.jar
> commons-collections-3.2.jar
> commons-dbcp-1.2.2.jar
> commons-digester-1.8.jar
> commons-discovery-0.4.jar
> commons-el-1.0.jar
> commons-email-1.1.jar
> commons-fileupload-1.2.jar
> commons-io-1.3.2.jar
> commons-lang-2.4.jar
> commons-logging-1.0.4.jar
> commons-pool-1.3.jar
> commons-validator-1.3.1.jar
> dom4j-1.6.1.jar
> dto-beanprocessor-0.2.jar
> ehcache-1.3.0.jar
> ejb3-persistence-3.2.jar
> fop_0.94.jar
> hibernate-3.2.6.jar
> hibernate-annotations-3.3.1.jar
> hibernate-commons-annotations-3.2.jar
> hibernate-entitymanager-3.3.2.jar
> jaf-1_1-fr.zip
> jakarta-oro-2.0.8.jar
> jsf-facelets_1.1.14.jar
> jstl-1.2.jar
> jta_1.1.jar
> junit_3.8.1.jar
> log4j-1.2.14.jar
> mail_1.4.1.jar
> myfaces-api-1.2.4.jar
> myfaces-impl-1.2.4.jar
> mysql-connector-java-5.0.8-bin.jar
> mysql-connector-java-5.1.6-bin.jar
> richfaces-api-3.2.2.GA.jar
> richfaces-impl-3.2.2.GA.jar
> richfaces-ui-3.2.2.GA.jar
> spring-2.1.jar
> tomahawk12-1.1.7.jar
> xmlgraphics-commons-1.2.jar
>
> --
> View this message in context:
> http://www.nabble.com/bean-properties-are-set-with-0.0-instead-of-null-tp19980936p19980936.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>
>
--
Matthias Wessendorf
blog: http://matthiaswessendorf.wordpress.com/
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