// Copyright (c) 2003-2012, Jodd Team (jodd.org). All Rights Reserved.
package jodd.mutable;
/**
* Generic mutable value holder for holding objects.
* $Id: ValueHolder.java 825 2011-12-06 11:45:25Z igor.spasic $
*/
public class ValueHolder<T> {
protected T value;
public ValueHolder() {
}
public ValueHolder(T value) {
this.value = value;
}
/**
* Returns value.
*/
public T getValue() {
return value;
}
/**
* Sets new value.
*/
public void setValue(T value) {
this.value = value;
}
/**
* Returns <code>true</code> if value is <code>null</code>.
*/
public boolean isNull() {
return value == null;
}
/**
* Simple to-string representation.
*/
@Override
public String toString() {
if (value == null) {
return "{" + null + '}';
}
return '{' + value.toString() + '}';
}
}
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