asn1any.java

来自「一个非常好的ssh客户端实现」· Java 代码 · 共 81 行

/******************************************************************************
 *
 * Copyright (c) 1999-2003 AppGate Network Security AB. All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code as
 * defined in and that are subject to the MindTerm Public Source License,
 * Version 2.0, (the 'License'). You may not use this file except in compliance
 * with the License.
 * 
 * You should have received a copy of the MindTerm Public Source License
 * along with this software; see the file LICENSE.  If not, write to
 * AppGate Network Security AB, Otterhallegatan 2, SE-41118 Goteborg, SWEDEN
 *
 *****************************************************************************/

package com.mindbright.asn1;

import java.io.InputStream;
import java.io.IOException;

public class ASN1Any extends ASN1Choice {

    public static class ASN1SequenceOfAny extends ASN1SequenceOf {
	public ASN1SequenceOfAny() {
	    super(ASN1Any.class);
	}
    }

    public static class ASN1SetOfAny extends ASN1SetOf {
	public ASN1SetOfAny() {
	    super(ASN1Any.class);
	}
    }

    public static class ASN1AnyStructure extends ASN1Structure {
	public ASN1AnyStructure() {
	    super(0);
	    addComponent(new ASN1Any());
	}

	public void decodeValue(ASN1Decoder decoder, InputStream in,
				int tag, int len)
	    throws IOException
	{
	    decodeValue(decoder, in, len);
	}
    }

    public ASN1Any() {
	super();
	setMember(ASN1.TAG_BOOLEAN,     ASN1Boolean.class);
	setMember(ASN1.TAG_INTEGER,     ASN1Integer.class);
	setMember(ASN1.TAG_BITSTRING,   ASN1BitString.class);
	setMember(ASN1.TAG_OCTETSTRING, ASN1OctetString.class);
	setMember(ASN1.TAG_NULL,        ASN1Null.class);
	setMember(ASN1.TAG_OID,         ASN1OID.class);
	setMember(ASN1.TAG_SEQUENCE | ASN1.TYPE_CONSTRUCTED,
		  ASN1SequenceOfAny.class);
	setMember(ASN1.TAG_SET | ASN1.TYPE_CONSTRUCTED,
		  ASN1SetOfAny.class);
	setMember(ASN1.TAG_IA5STRING,    ASN1IA5String.class);
	setMember(ASN1.TAG_BMPSTRING,    ASN1BMPString.class);
	setMember(ASN1.TAG_PRINTABLESTRING, ASN1PrintableString.class);
	setMember(ASN1.TYPE_CONSTRUCTED, ASN1AnyStructure.class);
    }

    protected Object memberMapping(int tag) {
	Object o = super.memberMapping(tag);
	if(o == null) {
	    tag &= (ASN1.MASK_NUMBER | ASN1.TYPE_CONSTRUCTED);
	    o = super.memberMapping(tag);
	}
	if(o == null) {
	    tag &= ASN1.MASK_NUMBER;
	    o = super.memberMapping(tag);
	}
	return o;
    }

}