javax.faces.el.ValueBinding Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces-api Show documentation
Show all versions of javax.faces-api Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.3 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.faces.el;
import javax.faces.context.FacesContext;
/**
* ValueBinding is an object that can be used
* to access the property represented by an action or value binding
* expression. An immutable {@link ValueBinding} for a particular value binding
* can be acquired by calling the createValueBinding() method of
* the {@link javax.faces.application.Application} instance for this web
* application.
*
* @deprecated This has been replaced by {@link javax.el.ValueExpression}.
*/
public abstract class ValueBinding {
/**
* Return the value of the property represented by this
* {@link ValueBinding}, relative to the specified {@link FacesContext}.
*
*
* @param context {@link FacesContext} for the current request
*
* @throws EvaluationException if an exception is thrown while getting
* the value (the thrown exception must be included as the
* cause property of this exception)
* @throws NullPointerException if context
* is null
* @throws PropertyNotFoundException if a specified property name
* does not exist, or is not readable
*
* @return the value of this expression
*/
public abstract Object getValue(FacesContext context)
throws EvaluationException, PropertyNotFoundException;
/**
* Set the value of the property represented by this
* {@link ValueBinding}, relative to the specified {@link FacesContext}.
*
*
* @param context {@link FacesContext} for the current request
* @param value The new value to be set
*
* @throws EvaluationException if an exception is thrown while setting
* the value (the thrown exception must be included as the
* cause property of this exception)
* @throws NullPointerException if context
* is null
* @throws PropertyNotFoundException if a specified property name
* does not exist, or is not writeable
*/
public abstract void setValue(FacesContext context, Object value)
throws EvaluationException, PropertyNotFoundException;
/**
* Return true if the specified property of the specified
* property is known to be immutable; otherwise, return
* false.
*
* @param context {@link FacesContext} for the current request
*
* @throws EvaluationException if an exception is thrown while getting
* the description of the property (the thrown exception must be
* included as the cause property of this exception)
* @throws NullPointerException if context
* is null
* @throws PropertyNotFoundException if a specified property name
* does not exist
*
* @return whether or not this expression is read only
*/
public abstract boolean isReadOnly(FacesContext context)
throws EvaluationException, PropertyNotFoundException;
/**
* Return the type of the property represented by this
* {@link ValueBinding}, relative to the specified {@link FacesContext}.
*
*
* @param context {@link FacesContext} for the current request
*
* @throws EvaluationException if an exception is thrown while getting
* the description of the property (the thrown exception must be
* included as the cause property of this exception)
* @throws NullPointerException if context
* is null
* @throws PropertyNotFoundException if a specified property name
* does not exist
*
* @return the Java type of this expression
*/
public abstract Class getType(FacesContext context)
throws EvaluationException, PropertyNotFoundException;
/**
* Return the (possibly null) expression String,
* including the delimiters, from which this
* ValueBinding was built.
*
* @return the expression string
*/
public String getExpressionString() {
return null;
}
}