01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.jasper.el;
18:
19: import javax.el.ELContext;
20: import javax.el.ValueExpression;
21: import javax.servlet.jsp.el.ELException;
22: import javax.servlet.jsp.el.Expression;
23: import javax.servlet.jsp.el.VariableResolver;
24:
25: public final class ExpressionImpl extends Expression {
26:
27: private final ValueExpression ve;
28:
29: public ExpressionImpl(ValueExpression ve) {
30: this .ve = ve;
31: }
32:
33: public Object evaluate(VariableResolver vResolver)
34: throws ELException {
35: ELContext ctx = new ELContextImpl(new ELResolverImpl(vResolver));
36: return ve.getValue(ctx);
37: }
38:
39: }
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