001/* 002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Stephane Lacoin (Nuxeo EP Software Engineer) 018 */ 019 020package org.nuxeo.ecm.platform.audit.service; 021 022import java.io.Serializable; 023import java.util.Map; 024 025import org.nuxeo.ecm.platform.audit.api.ExtendedInfo; 026import org.nuxeo.ecm.platform.audit.impl.ExtendedInfoImpl; 027import org.nuxeo.ecm.platform.audit.service.extension.ExtendedInfoDescriptor; 028import org.nuxeo.ecm.platform.el.ExpressionEvaluator; 029 030public class ExtendedInfoInjector { 031 032 protected final ExpressionEvaluator evaluator; 033 034 public ExtendedInfoInjector(ExpressionEvaluator evaluator) { 035 this.evaluator = evaluator; 036 } 037 038 public void injectExtendedInfo(Map<String, ExtendedInfo> info, ExtendedInfoDescriptor descriptor, 039 ExtendedInfoContext context) { 040 Serializable value = evaluator.evaluateExpression(context, descriptor.getExpression(), Serializable.class); 041 if (value == null) { 042 return; 043 } 044 String key = descriptor.getKey(); 045 info.put(key, ExtendedInfoImpl.createExtendedInfo(value)); 046 } 047 048}