com.sun.facelets.tag.jstl.core.IteratedValueExpression Maven / Gradle / Ivy

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/**
 * Licensed under the Common Development and Distribution License,
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.sun.com/cddl/
 *
 * 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 com.sun.facelets.tag.jstl.core;

import javax.el.ELContext;
import javax.el.PropertyNotWritableException;
import javax.el.ValueExpression;

/**
 * @version $Id: IteratedValueExpression.java,v 1.1 2007/06/15 00:08:14 rlubke Exp $
 */
public final class IteratedValueExpression extends ValueExpression {

    private static final long serialVersionUID = 1L;

    private ValueExpression orig;

    private Object value;


    public IteratedValueExpression(ValueExpression orig, Object value) {
        this.orig = orig;
        this.value = value;
    }

    /*
     * (non-Javadoc)
     *
     * @see javax.el.ValueExpression#getValue(javax.el.ELContext)
     */
    public Object getValue(ELContext context) {
        return value;
    }

    /*
     * (non-Javadoc)
     *
     * @see javax.el.ValueExpression#setValue(javax.el.ELContext,
     *      java.lang.Object)
     */
    public void setValue(ELContext context, Object value) {
        context.setPropertyResolved(false);
        throw new PropertyNotWritableException();
    }

    /*
     * (non-Javadoc)
     *
     * @see javax.el.ValueExpression#isReadOnly(javax.el.ELContext)
     */
    public boolean isReadOnly(ELContext context) {
        context.setPropertyResolved(false);
        return true;
    }

    /*
     * (non-Javadoc)
     *
     * @see javax.el.ValueExpression#getType(javax.el.ELContext)
     */
    public Class getType(ELContext context) {
        context.setPropertyResolved(false);
        return Object.class;
    }

    /*
     * (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;
    }

}