1 /* 2 * $Id: OgnlTool.java 471756 2006-11-06 15:01:43Z husted $ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.struts2.views.jsp.ui; 22 23 import ognl.Ognl; 24 import ognl.OgnlException; 25 26 import com.opensymphony.xwork2.util.OgnlUtil; 27 28 29 /*** 30 */ 31 public class OgnlTool { 32 private static OgnlTool instance = new OgnlTool(); 33 34 private OgnlTool() { 35 } 36 37 public static OgnlTool getInstance() { 38 return instance; 39 } 40 41 public Object findValue(String expr, Object context) { 42 try { 43 return Ognl.getValue(OgnlUtil.compile(expr), context); 44 } catch (OgnlException e) { 45 return null; 46 } 47 } 48 }