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 */
022package org.granite.messaging.amf.io.util;
023
024import java.util.ArrayList;
025import java.util.List;
026
027import org.granite.config.GraniteConfig;
028import org.granite.context.GraniteContext;
029import org.granite.messaging.amf.io.convert.Converters;
030import org.granite.messaging.amf.io.util.externalizer.Externalizer;
031import org.granite.messaging.amf.io.util.instantiator.AbstractInstantiator;
032
033/**
034 * @author Franck WOLFF
035 */
036public 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}