/*
* Copyright 2009 Andrew Pietsch
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package com.dragome.forms.bindings.client.format;
/**
* Created by IntelliJ IDEA.
* User: andrew
* Date: Aug 17, 2009
* Time: 1:18:27 PM
* To change this template use File | Settings | File Templates.
*/
public class ToStringFormat<T> implements DisplayFormat<T>
{
private static final String EMPTY_STRING= "";
private static final ToStringFormat<Object> DEFAULT_INSTANCE= new ToStringFormat<Object>(EMPTY_STRING);
public static ToStringFormat<Object> defaultInstance()
{
return DEFAULT_INSTANCE;
}
private String nullValue;
public ToStringFormat(String nullText)
{
this.nullValue= nullText;
}
public String format(T value)
{
return value != null ? value.toString() : nullValue;
}
}