001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.messaging.amf.io.util;
022
023 import java.util.ArrayList;
024 import java.util.List;
025
026 import org.granite.config.GraniteConfig;
027 import org.granite.context.GraniteContext;
028 import org.granite.messaging.amf.io.convert.Converters;
029 import org.granite.messaging.amf.io.util.externalizer.Externalizer;
030 import org.granite.messaging.amf.io.util.instantiator.AbstractInstantiator;
031
032 /**
033 * @author Franck WOLFF
034 */
035 public abstract class ActionScriptClassDescriptor {
036
037 protected final String type;
038 protected final String instantiator;
039 protected final byte encoding;
040 protected final Externalizer externalizer;
041 protected final Converters converters;
042 protected final List<Property> properties;
043
044 protected ActionScriptClassDescriptor(String type, byte encoding) {
045 GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
046 this.type = (type == null ? "" : type);
047 this.instantiator = config.getInstantiator(type);
048 this.encoding = encoding;
049 this.externalizer = findExternalizer();
050 this.converters = config.getConverters();
051 this.properties = new ArrayList<Property>();
052 }
053
054 private Externalizer findExternalizer() {
055 if (encoding != 0x01)
056 return null;
057 return GraniteContext.getCurrentInstance().getGraniteConfig().getExternalizer(type);
058 }
059
060 public String getType() {
061 return type;
062 }
063
064 public String getInstantiator() {
065 return instantiator;
066 }
067
068 public Externalizer getExternalizer() {
069 return externalizer;
070 }
071
072 public byte getEncoding() {
073 return encoding;
074 }
075
076 public boolean isExternalizable() {
077 return encoding == 0x01;
078 }
079
080 public boolean isDynamic() {
081 return encoding == 0x02;
082 }
083
084 public abstract void defineProperty(String name);
085 public abstract Object newJavaInstance();
086
087 public int getPropertiesCount() {
088 return properties.size();
089 }
090 public String getPropertyName(int index) {
091 return properties.get(index).getName();
092 }
093
094 public void setPropertyValue(int index, Object instance, Object value) {
095 Property prop = properties.get(index);
096 if (value instanceof AbstractInstantiator<?>)
097 ((AbstractInstantiator<?>)value).addReferer(instance, prop);
098 else
099 prop.setProperty(instance, value);
100 }
101
102 public void setPropertyValue(String name, Object instance, Object value) {
103 // instance must be an instance of Map...
104 Property prop = new MapProperty(converters, name);
105 if (value instanceof AbstractInstantiator<?>)
106 ((AbstractInstantiator<?>)value).addReferer(instance, prop);
107 else
108 prop.setProperty(instance, value);
109 }
110
111 @Override
112 public String toString() {
113 return getClass().getName() + " {\n" +
114 " type=" + type + ",\n" +
115 " instantiator=" + instantiator + ",\n" +
116 " encoding=" + encoding + ",\n" +
117 " externalizer=" + externalizer + ",\n" +
118 " converters=" + converters + ",\n" +
119 " properties=" + properties + "\n" +
120 "}";
121 }
122 }