org.apache.el.parser.AstLiteralExpression Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
/* Generated By:JJTree: Do not edit this line. AstLiteralExpression.java */

package org.apache.el.parser;

import javax.el.ELException;

import org.apache.el.lang.EvaluationContext;


/**
 * @author Jacob Hookom [[email protected]]
 * @version $Id: AstLiteralExpression.java 939519 2010-04-30 00:12:23Z kkolinko $
 */
public final class AstLiteralExpression extends SimpleNode {
    public AstLiteralExpression(int id) {
        super(id);
    }

    public Class getType(EvaluationContext ctx) throws ELException {
        return String.class;
    }

    public Object getValue(EvaluationContext ctx) throws ELException {
        return this.image;
    }

    public void setImage(String image) {
        if (image.indexOf('\\') == -1) {
            this.image = image;
            return;
        }
        int size = image.length();
        StringBuffer buf = new StringBuffer(size);
        for (int i = 0; i < size; i++) {
            char c = image.charAt(i);
            if (c == '\\' && i + 2 < size) {
                char c1 = image.charAt(i + 1);
                char c2 = image.charAt(i + 2);
                if ((c1 == '#' || c1 == '$') && c2 == '{')  {
                    c = c1;
                    i++;
                }
            }
            buf.append(c);
        }
        this.image = buf.toString();
    }
}