RE: Could not find an adaptor for class X

Here are PersonList.java and Person.java:

//PersonList.java

import net.sf.tapestry.IRequestCycle;
import net.sf.tapestry.html.BasePage;
import java.util.List;
import java.util.Vector;

public class PersonList extends BasePage
{
	private List personList =3D new Vector();
	private Person jondough;
	private SQL sql =3D new SQL();


	public List getPersonList()
	{
		if(personList.size() =3D=3D 0)
			personList =3D sql.getPersonList();
		return personList;
	}
	public void setPersonList(List personList)
	{
		this.personList =3D personList;
	}
	public Person getJondough()
	{
		return jondough;
	}
	public void setJondough(Person jondough)
	{
		this.jondough =3D jondough;
	}



	/**
	 *  Receives the click on a personID, setting the personID and
	 *  Person attributes.
	 */
	public void selectPerson(IRequestCycle cycle)
	{
		Object[] parameters =3D cycle.getServiceParameters();
		int personID =3D ((Integer)parameters[0]).intValue();

		Person jonDough;

		jonDough =3D sql.getPerson(personID);

		if(jonDough =3D=3D null)  // this should never happen
			cycle.setPage("NewPerson");

		else  // A valid person, go to forms.
		{
			Visit visit =3D (Visit) getVisit();
			visit.setPerson(jonDough);
			cycle.setPage("Forms");
		}
	}

	public PersonList()
	{

	}

	public static void main(String[] args)
	{
		PersonList pl =3D new PersonList();
		List l =3D pl.getPersonList();
		System.out.println(l);
	}

}

//EOF

//Person.java:

public class Person
{
	//attributes
	private int personID;
	private String address;

	//accessors
	public int getPersonID()
	{
		return personID;
	}
	public void setPersonID(int personID)
	{
		this.personID =3D personID;
	}
	public String getAddress()
	{
		return address;
	}
	public void setAddress(String address)
	{
		this.address =3D address;
	}


	//helpers
	public void showPerson()
	{
		System.out.println("PersonID:\t" + getPersonID());
		System.out.println("Address:\t" + getAddress());
	}

	//constructors
	public Person(int personID, String address)
	{
		setPersonID(personID);
		setAddress(address);
	}

	public Person(int personID)
	{
		this(personID, null);
	}

	public Person()
	{
		this(555);
	}

	public static void main(String[] args)
	{
		Person joeDemo =3D new Person();
		joeDemo.showPerson();
	}

}
//EOF

Thanks for taking a look!

Joe Meade
[email protected]


-----Original Message-----
From: Adam Greene [mailto:[email protected]]
Sent: Wednesday, February 12, 2003 8:09 AM
To: Meade, Joseph L; [email protected]
Subject: Re: [Tapestry-developer] Could not find an adaptor for class X


Send an email with your .java file, the problem is in there.
----- Original Message -----
From: "Meade, Joseph L" <[email protected]>
To: <[email protected]>
Sent: Tuesday, February 11, 2003 5:37 PM
Subject: [Tapestry-developer] Could not find an adaptor for class X


I'm working very hard to wrap my brain around Tapestry concepts and =
syntax,
but need some help with this one.

I keep getting an exception with the text "Could not find an adaptor for
class Person".

On a PersonList page, I've got a Foreach component that has as its =
source a
List of Person objects.  I then need to access attributes of each =
object.
It's really straightforward and not unlike some of the tutorials.

Here's the clip from the PersonList.page file:
<component id=3D"e" type=3D"Foreach">
    <binding name=3D"source" expression=3D"personList"/>
    <binding name=3D"value" expression=3D"jondough"/>
</component>
<component id=3D"insertPersonID" type=3D"Insert">
    <binding name=3D"value" expression=3D"jondough.personID"/>
</component>
<component id=3D"insertAddress" type=3D"Insert">
    <binding name=3D"value" expression=3D"jondough.address"/>
</component>

What is an adaptor?  The Person class is in the same directory as the
PersonList class.  I've been working on this one all day.  Thanks in =
advance
for your help!


Joe Meade
[email protected]



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