javax.servlet.jsp.jstl.core.IndexedValueExpression Maven / Gradle / Ivy
The newest version!
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*/
package javax.servlet.jsp.jstl.core;
import javax.el.ELContext;
import javax.el.ValueExpression;
/**
* @author Jacob Hookom
* @version $Id: IndexedValueExpression.java,v 1.2 2005/12/08 01:20:43 kchung Exp $
*/
public final class IndexedValueExpression extends ValueExpression {
/**
*
*/
private static final long serialVersionUID = 1L;
protected final Integer i;
protected final ValueExpression orig;
/**
*
*/
public IndexedValueExpression(ValueExpression orig, int i) {
this.i = new Integer(i);
this.orig = orig;
}
/*
* (non-Javadoc)
*
* @see javax.el.ValueExpression#getValue(javax.el.ELContext)
*/
public Object getValue(ELContext context) {
Object base = this.orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().getValue(context, base, i);
}
return null;
}
/*
* (non-Javadoc)
*
* @see javax.el.ValueExpression#setValue(javax.el.ELContext,
* java.lang.Object)
*/
public void setValue(ELContext context, Object value) {
Object base = this.orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
context.getELResolver().setValue(context, base, i, value);
}
}
/*
* (non-Javadoc)
*
* @see javax.el.ValueExpression#isReadOnly(javax.el.ELContext)
*/
public boolean isReadOnly(ELContext context) {
Object base = this.orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().isReadOnly(context, base, i);
}
return true;
}
/*
* (non-Javadoc)
*
* @see javax.el.ValueExpression#getType(javax.el.ELContext)
*/
public Class getType(ELContext context) {
Object base = this.orig.getValue(context);
if (base != null) {
context.setPropertyResolved(false);
return context.getELResolver().getType(context, base, i);
}
return null;
}
/*
* (non-Javadoc)
*
* @see javax.el.ValueExpression#getExpectedType()
*/
public Class getExpectedType() {
return Object.class;
}
/*
* (non-Javadoc)
*
* @see javax.el.Expression#getExpressionString()
*/
public String getExpressionString() {
return this.orig.getExpressionString();
}
/*
* (non-Javadoc)
*
* @see javax.el.Expression#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
return this.orig.equals(obj);
}
/*
* (non-Javadoc)
*
* @see javax.el.Expression#hashCode()
*/
public int hashCode() {
return this.orig.hashCode();
}
/*
* (non-Javadoc)
*
* @see javax.el.Expression#isLiteralText()
*/
public boolean isLiteralText() {
return false;
}
}