I'm trying to create a simple form that will work for both Add and Edit. I'm
trying to use onPrepare to setup the database object and the code works fine
for an existing object. When I try to use the form with a new object (id =
null) it appears that onPrepare isn't called, so I end up with null pointer
exceptions trying to build the form.
Here is my simple controller:
package com.starpoint.helpdesk.pages.office;
import com.starpoint.helpdesk.business.OfficeLogic;
import com.starpoint.helpdesk.domain.Office;
import com.sun.istack.internal.Nullable;
import org.apache.tapestry5.annotations.Log;
import org.apache.tapestry5.annotations.Persist;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.slf4j.Logger;
/**
*/
public class EditOffice {
@Inject
private Logger logger;
@Inject
private OfficeLogic officeLogic;
@Persist
private Integer officeId;
@Property
private Office office;
public Integer getOfficeId() {
return officeId;
}
@Log
public void setOfficeId(@Nullable Integer officeId) {
this.officeId = officeId;
}
@Log
void onPrepare(Integer officeId) {
if (office == null) {
office = officeId == null ? new Office() :
officeLogic.getOffice(officeId);
}
}
void onActivate(Integer officeId) {
this.officeId = officeId;
}
Integer onPassivate() {
return officeId;
}
public Object onSuccess() {
logger.info("**************: " + office.toString());
return this;
}
}
And my form:
<html t:type="layout" title="helpdesk Index"
t:sidebarTitle="Current Time"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
xmlns:p="tapestry:parameter">
<t:form t:id="editOfficeForm" t:context="officeId">
<t:errors/>
<table>
<tr>
<td><t:label for="officeName">Office Name</t:label></td>
<td><t:textfield t:id="officeName"
value="prop:office.officeName"></t:textfield></td>
</tr>
<tr>
<td colspan="2">
<t:submit t:id="saveOffice" class="button">Save
Office</t:submit>
</td>
</tr>
</table>
</t:form>
</html>
What am I missing?
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