com.sun.faces.facelets.tag.jstl.core.IndexedValueExpression Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces Show documentation
Show all versions of jakarta.faces Show documentation
EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.facelets.tag.jstl.core;
import jakarta.el.ELContext;
import jakarta.el.ValueExpression;
/**
* @author Jacob Hookom
*/
public final class IndexedValueExpression extends ValueExpression {
/**
*
*/
private static final long serialVersionUID = 1L;
private final Integer i;
private final ValueExpression orig;
/**
*
*/
public IndexedValueExpression(ValueExpression orig, int i) {
this.i = i;
this.orig = orig;
}
/*
* (non-Javadoc)
*
* @see jakarta.el.ValueExpression#getValue(jakarta.el.ELContext)
*/
@Override
public Object getValue(ELContext context) {
Object base = orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().getValue(context, base, i);
}
return null;
}
/*
* (non-Javadoc)
*
* @see jakarta.el.ValueExpression#setValue(jakarta.el.ELContext, java.lang.Object)
*/
@Override
public void setValue(ELContext context, Object value) {
Object base = orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
context.getELResolver().setValue(context, base, i, value);
}
}
/*
* (non-Javadoc)
*
* @see jakarta.el.ValueExpression#isReadOnly(jakarta.el.ELContext)
*/
@Override
public boolean isReadOnly(ELContext context) {
Object base = orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().isReadOnly(context, base, i);
}
return true;
}
/*
* (non-Javadoc)
*
* @see jakarta.el.ValueExpression#getType(jakarta.el.ELContext)
*/
@Override
public Class getType(ELContext context) {
Object base = orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().getType(context, base, i);
}
return null;
}
/*
* (non-Javadoc)
*
* @see jakarta.el.ValueExpression#getExpectedType()
*/
@Override
public Class getExpectedType() {
return Object.class;
}
/*
* (non-Javadoc)
*
* @see jakarta.el.Expression#getExpressionString()
*/
@Override
public String getExpressionString() {
return orig.getExpressionString();
}
/*
* (non-Javadoc)
*
* @see jakarta.el.Expression#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return orig.equals(obj);
}
/*
* (non-Javadoc)
*
* @see jakarta.el.Expression#hashCode()
*/
@Override
public int hashCode() {
return orig.hashCode();
}
/*
* (non-Javadoc)
*
* @see jakarta.el.Expression#isLiteralText()
*/
@Override
public boolean isLiteralText() {
return false;
}
}