1 /* 2 * $Id: OgnlTool.java 651946 2008-04-27 13:41:38Z apetrelli $ 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 22 package org.apache.struts2.views.jsp.ui; 23 24 import ognl.Ognl; 25 import ognl.OgnlException; 26 27 import com.opensymphony.xwork2.inject.Inject; 28 import com.opensymphony.xwork2.ognl.OgnlUtil; 29 30 31 /*** 32 */ 33 public class OgnlTool { 34 35 private OgnlUtil ognlUtil; 36 37 public OgnlTool() { 38 } 39 40 @Inject 41 public void setOgnlUtil(OgnlUtil ognlUtil) { 42 this.ognlUtil = ognlUtil; 43 } 44 45 46 47 48 public Object findValue(String expr, Object context) { 49 try { 50 return Ognl.getValue(ognlUtil.compile(expr), context); 51 } catch (OgnlException e) { 52 return null; 53 } 54 } 55 }