1 /* 2 * $Id: OgnlTool.java 439747 2006-09-03 09:22:46Z mrdon $ 3 * 4 * Copyright 2006 The Apache Software Foundation. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.struts2.views.jsp.ui; 19 20 import ognl.Ognl; 21 import ognl.OgnlException; 22 23 import com.opensymphony.xwork2.util.OgnlUtil; 24 25 26 /*** 27 */ 28 public class OgnlTool { 29 private static OgnlTool instance = new OgnlTool(); 30 31 private OgnlTool() { 32 } 33 34 public static OgnlTool getInstance() { 35 return instance; 36 } 37 38 public Object findValue(String expr, Object context) { 39 try { 40 return Ognl.getValue(OgnlUtil.compile(expr), context); 41 } catch (OgnlException e) { 42 return null; 43 } 44 } 45 }