001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Stephane Lacoin (Nuxeo EP Software Engineer) 016 */ 017 018package org.nuxeo.ecm.platform.audit.service; 019 020import java.io.Serializable; 021import java.util.Map; 022 023import org.nuxeo.ecm.platform.audit.api.ExtendedInfo; 024import org.nuxeo.ecm.platform.audit.impl.ExtendedInfoImpl; 025import org.nuxeo.ecm.platform.audit.service.extension.ExtendedInfoDescriptor; 026import org.nuxeo.ecm.platform.el.ExpressionEvaluator; 027 028public class ExtendedInfoInjector { 029 030 protected final ExpressionEvaluator evaluator; 031 032 public ExtendedInfoInjector(ExpressionEvaluator evaluator) { 033 this.evaluator = evaluator; 034 } 035 036 public void injectExtendedInfo(Map<String, ExtendedInfo> info, ExtendedInfoDescriptor descriptor, 037 ExtendedInfoContext context) { 038 Serializable value = evaluator.evaluateExpression(context, descriptor.getExpression(), Serializable.class); 039 if (value == null) { 040 return; 041 } 042 String key = descriptor.getKey(); 043 info.put(key, ExtendedInfoImpl.createExtendedInfo(value)); 044 } 045 046}