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From mark.benn...@ncmail.net
Subject Re: java.util.Date vs java.sql.Timestamp
Date Tue, 22 Feb 2005 22:58:09 GMT
Awesome, Thanks!


>-- Original Message --
>Reply-To: "Struts Users Mailing List" <user@struts.apache.org>
>Date: Tue, 22 Feb 2005 16:30:38 -0600
>To: "Mark Bennett" <mark.bennett@ncmail.net>,
>        "Struts-Users" <user@struts.apache.org>
>From: Joe Germuska <Joe@Germuska.com>
>Subject: Re: java.util.Date vs java.sql.Timestamp
>
>
>At 2:25 PM -0500 2/22/05, Mark Bennett wrote:
>>How can I have struts put a java.util.Date object into a Bean?
>>
>>I have found that I can set a Timestamp object into a bean.  THIS DOES
WORK
>>(below).  However, if I change the type on the bean to java.util.Date then
>I
>>get a stack trace (also below).  I've also tried different formatting like:
>>value="Sat Jan 01 00:00:00 EST 2005".  Any hints?  Thanks.
>
>This is because the BeanUtils library *does* register a standard 
>converter for java.sql.Timestamp (as well as java.sql.Time and 
>java.sql.Date) but *does not* register a standard converter for 
>java.util.Date.
>
>This is because there is a single specified String format for the SQL 
>classes, while there is no String format which BeanUtils could safely 
>assume for converting java.util.Date to and from a String 
>representation.
>
>If you want to use java.util.Date as a property and have BeanUtils do 
>conversions for you, you must register a Converter.  See 
>http://jakarta.apache.org/commons/beanutils/ for more information.
>
>Joe
>
>
>>Mark
>>
>>
>>class MyBean {
>>   private java.sql.Timestamp myDate;
>>
>>   public setMyDate(java.sql.Timestamp myDate) {
>>	this.myDate = myDate;
>>   }
>>}
>>
>><input type="hidden" name="myDate" value="2005-01-01 00:00:00.0">
>>
>>
>>
>>
>>
>>java.lang.IllegalArgumentException: argument type mismatch
>>	at java.lang.reflect.Method.invoke(Native Method)
>>	at
>>org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(PropertyUtils.j
>>ava:1789)
>>	at
>>org.apache.commons.beanutils.PropertyUtils.setNestedProperty(PropertyUtils.j
>>ava:1684)
>>	at
>>org.apache.commons.beanutils.PropertyUtils.setProperty(PropertyUtils.java:17
>>13)
>>	at 
>>org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:1019)
>>	at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:808)
>>	at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1252)
>>	at
>>org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.j
>>ava:821)
>>	at
>>org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254)
>>	at 
>>org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
>>	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
>>	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
>>	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>>	at
>>weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
>>:263)
>>	at
>>weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
>>:200)
>>	at
>>weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletCo
>>ntext.java:2390)
>>	at
>>weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java
>>:1959)
>>	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
>>	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>>
>>
>>
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>
>
>-- 
>Joe Germuska            
>Joe@Germuska.com  
>http://blog.germuska.com    
>"Narrow minds are weapons made for mass destruction"  -The Ex
>
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