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Posted to dev@tapestry.apache.org by "Bogdan Calmac (JIRA)" <de...@tapestry.apache.org> on 2007/03/29 06:57:25 UTC
[jira] Created: (TAPESTRY-1389) Coercion to numeric types does not
check for null
Coercion to numeric types does not check for null
-------------------------------------------------
Key: TAPESTRY-1389
URL: https://issues.apache.org/jira/browse/TAPESTRY-1389
Project: Tapestry
Issue Type: Bug
Components: Framework
Affects Versions: 5.0.3
Environment: N/A
Reporter: Bogdan Calmac
When a TextField form element is bound to a numeric property (Double, Integer, aso) and no value is provided in the form (perfectly valid if the field is optional) the coercion code throws NullPointerException when trying to call new Double(null). The coercion code should check for null and not call the constructor with a null argument.
On the other hand, if this is considered normal behaviour, there should be a way to bind a TextField to a numeric property and to make it optional on the form.
Here follows a test case illustrating the problem:
DoubleCoercionTest.html:
------------------------------------
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd">
<body>
<form t:type="Form">
<p><input t:type="TextField" t:value="doubleTest" size="40"/>
<input t:type="Submit"/></p>
</form>
</body>
</html>
DoubleCoercionTest.java:
-----------------------------------
import org.apache.tapestry.annotations.Persist;
public class DoubleCoercionTest
{
@Persist
private Double doubleTest;
public Double getDoubleTest() {return doubleTest;}
public void setDoubleTest(Double doubleTest) {this.doubleTest = doubleTest;}
}
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[jira] Resolved: (TAPESTRY-1389) Coercion to numeric types does not
check for null
Posted by "Howard M. Lewis Ship (JIRA)" <de...@tapestry.apache.org>.
[ https://issues.apache.org/jira/browse/TAPESTRY-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Howard M. Lewis Ship resolved TAPESTRY-1389.
--------------------------------------------
Resolution: Duplicate
Fix Version/s: 5.0.6
Assignee: Howard M. Lewis Ship
Duplicate of TAPESTRY-1648. We now coerce null to numeric types correctly (as the value 0).
> Coercion to numeric types does not check for null
> -------------------------------------------------
>
> Key: TAPESTRY-1389
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1389
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 5.0.3
> Environment: N/A
> Reporter: Bogdan Calmac
> Assignee: Howard M. Lewis Ship
> Fix For: 5.0.6
>
>
> When a TextField form element is bound to a numeric property (Double, Integer, aso) and no value is provided in the form (perfectly valid if the field is optional) the coercion code throws NullPointerException when trying to call new Double(null). The coercion code should check for null and not call the constructor with a null argument.
> On the other hand, if this is considered normal behaviour, there should be a way to bind a TextField to a numeric property and to make it optional on the form.
> Here follows a test case illustrating the problem:
> DoubleCoercionTest.html:
> ------------------------------------
> <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd">
> <body>
> <form t:type="Form">
> <p><input t:type="TextField" t:value="doubleTest" size="40"/>
> <input t:type="Submit"/></p>
> </form>
> </body>
> </html>
> DoubleCoercionTest.java:
> -----------------------------------
> import org.apache.tapestry.annotations.Persist;
> public class DoubleCoercionTest
> {
> @Persist
> private Double doubleTest;
> public Double getDoubleTest() {return doubleTest;}
> public void setDoubleTest(Double doubleTest) {this.doubleTest = doubleTest;}
> }
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