chunktype.java

来自「实现JAVA界面的代码GWT」· Java 代码 · 共 56 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   ChunkType.java

package jxl.biff.drawing;

import java.util.Arrays;

class ChunkType
{

    private byte id[];
    private String name;
    private static ChunkType chunkTypes[] = new ChunkType[0];
    public static ChunkType IHDR = new ChunkType(73, 72, 68, 82, "IHDR");
    public static ChunkType IEND = new ChunkType(73, 69, 78, 68, "IEND");
    public static ChunkType PHYS = new ChunkType(112, 72, 89, 115, "pHYs");
    public static ChunkType UNKNOWN = new ChunkType(255, 255, 255, 255, "UNKNOWN");

    private ChunkType(int d1, int d2, int d3, int d4, String n)
    {
        id = (new byte[] {
            (byte)d1, (byte)d2, (byte)d3, (byte)d4
        });
        name = n;
        ChunkType ct[] = new ChunkType[chunkTypes.length + 1];
        System.arraycopy(chunkTypes, 0, ct, 0, chunkTypes.length);
        ct[chunkTypes.length] = this;
        chunkTypes = ct;
    }

    public String getName()
    {
        return name;
    }

    public static ChunkType getChunkType(byte d1, byte d2, byte d3, byte d4)
    {
        byte cmp[] = {
            d1, d2, d3, d4
        };
        boolean found = false;
        ChunkType chunk = UNKNOWN;
        for(int i = 0; i < chunkTypes.length && !found; i++)
            if(Arrays.equals(chunkTypes[i].id, cmp))
            {
                chunk = chunkTypes[i];
                found = true;
            }

        return chunk;
    }

}