001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.messaging.amf.io.util;
023
024 import java.util.ArrayList;
025 import java.util.List;
026
027 import org.granite.config.GraniteConfig;
028 import org.granite.context.GraniteContext;
029 import org.granite.messaging.amf.io.convert.Converters;
030 import org.granite.messaging.amf.io.util.externalizer.Externalizer;
031 import org.granite.messaging.amf.io.util.instantiator.AbstractInstantiator;
032
033 /**
034 * @author Franck WOLFF
035 */
036 public abstract class ActionScriptClassDescriptor {
037
038 protected final String type;
039 protected final String instantiator;
040 protected final byte encoding;
041 protected final Externalizer externalizer;
042 protected final Converters converters;
043 protected final List<Property> properties;
044
045 protected ActionScriptClassDescriptor(String type, byte encoding) {
046 GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
047 this.type = (type == null ? "" : config.getAliasRegistry().getTypeForAlias(type));
048 this.instantiator = config.getInstantiator(type);
049 this.encoding = encoding;
050 this.externalizer = findExternalizer();
051 this.converters = config.getConverters();
052 this.properties = new ArrayList<Property>();
053 }
054
055 private Externalizer findExternalizer() {
056 if (encoding != 0x01)
057 return null;
058 return GraniteContext.getCurrentInstance().getGraniteConfig().getExternalizer(type);
059 }
060
061 public String getType() {
062 return type;
063 }
064
065 public String getInstantiator() {
066 return instantiator;
067 }
068
069 public Externalizer getExternalizer() {
070 return externalizer;
071 }
072
073 public byte getEncoding() {
074 return encoding;
075 }
076
077 public boolean isExternalizable() {
078 return encoding == 0x01;
079 }
080
081 public boolean isDynamic() {
082 return encoding == 0x02;
083 }
084
085 public abstract void defineProperty(String name);
086 public abstract Object newJavaInstance();
087
088 public int getPropertiesCount() {
089 return properties.size();
090 }
091 public String getPropertyName(int index) {
092 return properties.get(index).getName();
093 }
094
095 public void setPropertyValue(int index, Object instance, Object value) {
096 Property prop = properties.get(index);
097 if (value instanceof AbstractInstantiator<?>)
098 ((AbstractInstantiator<?>)value).addReferer(instance, prop);
099 else
100 prop.setProperty(instance, value);
101 }
102
103 public void setPropertyValue(String name, Object instance, Object value) {
104 // instance must be an instance of Map...
105 Property prop = new MapProperty(converters, name);
106 if (value instanceof AbstractInstantiator<?>)
107 ((AbstractInstantiator<?>)value).addReferer(instance, prop);
108 else
109 prop.setProperty(instance, value);
110 }
111
112 @Override
113 public String toString() {
114 return getClass().getName() + " {\n" +
115 " type=" + type + ",\n" +
116 " instantiator=" + instantiator + ",\n" +
117 " encoding=" + encoding + ",\n" +
118 " externalizer=" + externalizer + ",\n" +
119 " converters=" + converters + ",\n" +
120 " properties=" + properties + "\n" +
121 "}";
122 }
123 }