derboolean.java

进行与数字证书相关开发必须的java源码

// 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:   DERBoolean.java

package jit.asn1;

import java.io.IOException;

// Referenced classes of package jit.asn1:
//            DERObject, ASN1OctetString, ASN1TaggedObject, DEROutputStream

public class DERBoolean extends DERObject
{

    byte value;
    public static final DERBoolean FALSE = new DERBoolean(false);
    public static final DERBoolean TRUE = new DERBoolean(true);

    public static DERBoolean getInstance(Object obj)
    {
        if(obj == null || (obj instanceof DERBoolean))
            return (DERBoolean)obj;
        if(obj instanceof ASN1OctetString)
            return new DERBoolean(((ASN1OctetString)obj).getOctets());
        if(obj instanceof ASN1TaggedObject)
            return getInstance(((ASN1TaggedObject)obj).getObject());
        else
            throw new IllegalArgumentException("illegal object in getInstance: ".concat(String.valueOf(String.valueOf(obj.getClass().getName()))));
    }

    public static DERBoolean getInstance(boolean value)
    {
        return value ? TRUE : FALSE;
    }

    public static DERBoolean getInstance(ASN1TaggedObject obj, boolean explicit)
    {
        return getInstance(obj.getObject());
    }

    public DERBoolean(byte value[])
    {
        this.value = value[0];
    }

    public DERBoolean(boolean value)
    {
        this.value = value ? -1 : 0;
    }

    public boolean isTrue()
    {
        return value != 0;
    }

    void encode(DEROutputStream out)
        throws IOException
    {
        byte bytes[] = new byte[1];
        bytes[0] = value;
        out.writeEncoded(1, bytes);
    }

    public boolean equals(Object o)
    {
        if(o == null || !(o instanceof DERBoolean))
            return false;
        else
            return value == ((DERBoolean)o).value;
    }

}