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.jmf.codec.std.impl;
023
024import java.lang.reflect.Array;
025
026/**
027 * @author Franck WOLFF
028 */
029public abstract class AbstractArrayCodec extends AbstractStandardCodec<Object> {
030        
031        protected int getArrayDimensions(Object v) {
032                int dimensions = 0;
033                for (Class<?> componentType = v.getClass().getComponentType();
034                        componentType.isArray();
035                        componentType = componentType.getComponentType()) {
036                        dimensions++;
037                }
038                return dimensions;
039        }
040        
041        protected Class<?> getComponentType(Object v) {
042                Class<?> componentType = v.getClass().getComponentType();
043                while (componentType.isArray())
044                        componentType = componentType.getComponentType();
045                return componentType;
046        }
047        
048        protected Object newArray(Class<?> type, int length, int dimensions) {
049                int[] ld = new int[dimensions + 1];
050                ld[0] = length;
051                return Array.newInstance(type, ld);
052        }
053        
054        protected static class ArrayStructure {
055                
056                public final Class<?> componentType;
057                public final int dimensions;
058                
059                public ArrayStructure(Object array) {
060                        this(array.getClass());
061                }
062
063                public ArrayStructure(Class<?> arrayClass) {
064                        Class<?> componentType = arrayClass.getComponentType();
065                        int dimensions = 0;
066                        while (componentType.isArray()) {
067                                componentType = componentType.getComponentType();
068                                dimensions++;
069                        }
070                        this.componentType = componentType;
071                        this.dimensions = dimensions;
072                }
073
074                @Override
075                public String toString() {
076                        return componentType.getName() + "^" + dimensions;
077                }
078        }
079}