001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 */ 012package org.nuxeo.ecm.core.event.impl; 013 014import java.io.Serializable; 015import java.util.HashMap; 016import java.util.Map; 017 018import org.nuxeo.ecm.core.event.Event; 019import org.nuxeo.ecm.core.event.EventContext; 020 021/** 022 * Base class to be used to create new context events. 023 * <p> 024 * This class handles context properties and event creation. 025 * 026 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 027 */ 028public abstract class AbstractEventContext implements EventContext { 029 030 private static final long serialVersionUID = 1L; 031 032 protected static final Object[] EMPTY = new Object[0]; 033 034 protected Object[] args; 035 036 protected Map<String, Serializable> properties; 037 038 protected String repositoryName; 039 040 /** 041 * Constructor to be used by derived classes 042 */ 043 protected AbstractEventContext() { 044 } 045 046 protected AbstractEventContext(Object... args) { 047 this.args = args == null || (args.length == 1 && args[0] == null) ? EMPTY : args; 048 } 049 050 @Override 051 public Object[] getArguments() { 052 return args; 053 } 054 055 @Override 056 public Map<String, Serializable> getProperties() { 057 if (properties == null) { 058 properties = new HashMap<String, Serializable>(); 059 } 060 return properties; 061 } 062 063 @Override 064 public void setProperties(Map<String, Serializable> properties) { 065 this.properties = properties; 066 } 067 068 @Override 069 public Serializable getProperty(String key) { 070 if (properties == null) { 071 properties = new HashMap<String, Serializable>(); 072 } 073 return properties.get(key); 074 } 075 076 @Override 077 public boolean hasProperty(String key) { 078 if (properties == null) { 079 properties = new HashMap<String, Serializable>(); 080 } 081 return properties.containsKey(key); 082 } 083 084 @Override 085 public void setProperty(String key, Serializable value) { 086 if (properties == null) { 087 properties = new HashMap<String, Serializable>(); 088 } 089 properties.put(key, value); 090 } 091 092 @Override 093 public Event newEvent(String name) { 094 return new EventImpl(name, this); 095 } 096 097 @Override 098 public Event newEvent(String name, int flags) { 099 return new EventImpl(name, this, flags); 100 } 101 102 @Override 103 public String getRepositoryName() { 104 return repositoryName; 105 } 106 107 @Override 108 public void setRepositoryName(String repositoryName) { 109 this.repositoryName = repositoryName; 110 } 111 112}