valuebinding.java

来自「一个使用struts+hibernate+spring开发的完的网站源代码。」· Java 代码 · 共 40 行

/*
 * Copyright 2004 The Apache Software Foundation.
 * 
 * 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 javax.faces.el;

import javax.faces.context.FacesContext;

/**
 * @author Thomas Spiegl (latest modification by $Author: dave0000 $)
 * @version $Revision: 1.6 $ $Date: 2004/09/28 18:29:48 $
 */
public abstract class ValueBinding
{
	abstract public String getExpressionString();

	abstract public Class getType(FacesContext facesContext)
        throws EvaluationException, PropertyNotFoundException;

	public abstract Object getValue(FacesContext facesContext)
        throws EvaluationException, PropertyNotFoundException;

	public abstract boolean isReadOnly(FacesContext facesContext)
        throws EvaluationException, PropertyNotFoundException;

	public abstract void setValue(FacesContext facesContext, Object value)
        throws EvaluationException, PropertyNotFoundException;
}