java/org/apache/el/parser/AstCompositeExpression.java

/*
 * 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. AstCompositeExpression.java */

package org.apache.el.parser;

import javax.el.ELException;

import org.apache.el.lang.ELSupport;
import org.apache.el.lang.EvaluationContext;


/**
 * @author Jacob Hookom [jacob@hookom.net]
 */
public final class AstCompositeExpression extends SimpleNode {

    public AstCompositeExpression(int id) {
        super(id);
    }

    @Override
    public Class<?> getType(EvaluationContext ctx)
            throws ELException {
        return String.class;
    }

    @Override
    public Object getValue(EvaluationContext ctx)
            throws ELException {
        StringBuilder sb = new StringBuilder(16);
        Object obj = null;
        if (this.children != null) {
            for (int i = 0; i < this.children.length; i++) {
                obj = this.children[i].getValue(ctx);
                if (obj != null) {
                    sb.append(ELSupport.coerceToString(ctx, obj));
                }
            }
        }
        return sb.toString();
    }
}