Re: JSF technology
gk wrote:
On Sep 17, 4:54 pm, Lew <no...@lewscanon.com> wrote:
gk wrote:
Thanks. I did a look up on that and found the conversion . see the
example below. I think this is a data conversion.
It was "String age" in Backing bean but in Page view we are using
converter="javax.faces.Integer" to convert this data. So, This is a
data conversion I think.
<!-- PAGE VIEW -->
<h:message showSummary="true" for="age"/>
<h:inputText id="age"
value="#{user.age}"
converter="javax.faces.Integer" />
<!-- BACKING BEAN -->
public String getAge() {return this.age;}
public void setAge(String age){this.age = age;}
private String age;
Shouldn't the backing-bean methods be
public Integer getAge();
public void setAge( Integer age );
?
I checkd it . but the source has private String age;
I think probabily thats why we have converter="javax.faces.Integer"
in the JSF tag to convert String to Integer ....is not it ? what say ?
That source is not doing you any favours. The backing (managed) bean
field/getter/setter data types should be what you want *after* conversion,
not before it. Otherwise the process would be somewhat absurd, as everything
would be a String and in what other publicly accessible spot would you find
the converted values?
In other words Lew's observation is correct.
AHS
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