/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.asn1;
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/**
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* This class defines a number of constants that may be used when interacting
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* with ASN.1 elements.
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*/
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public final class ASN1Constants
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{
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/**
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* The ASN.1 element decoding state that indicates that the next byte read
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* should be the BER type for a new element.
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*/
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static final int ELEMENT_READ_STATE_NEED_TYPE = 0;
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/**
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* The ASN.1 element decoding state that indicates that the next byte read
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* should be the first byte for the element length.
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*/
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static final int ELEMENT_READ_STATE_NEED_FIRST_LENGTH_BYTE = 1;
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/**
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* The ASN.1 element decoding state that indicates that the next byte read
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* should be additional bytes of a multi-byte length.
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*/
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static final int ELEMENT_READ_STATE_NEED_ADDITIONAL_LENGTH_BYTES = 2;
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/**
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* The ASN.1 element decoding state that indicates that the next byte read
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* should be applied to the value of the element.
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*/
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static final int ELEMENT_READ_STATE_NEED_VALUE_BYTES = 3;
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/**
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* The BER type that is assigned to the universal Boolean element.
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*/
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public static final byte UNIVERSAL_BOOLEAN_TYPE = 0x01;
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/**
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* The BER type that is assigned to the universal integer type.
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*/
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public static final byte UNIVERSAL_INTEGER_TYPE = 0x02;
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/**
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* The BER type that is assigned to the universal octet string type.
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*/
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public static final byte UNIVERSAL_OCTET_STRING_TYPE = 0x04;
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/**
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* The BER type that is assigned to the universal null type.
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*/
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public static final byte UNIVERSAL_NULL_TYPE = 0x05;
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/**
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* The BER type that is assigned to the universal enumerated type.
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*/
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public static final byte UNIVERSAL_ENUMERATED_TYPE = 0x0A;
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/**
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* The BER type that is assigned to the universal sequence type.
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*/
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public static final byte UNIVERSAL_SEQUENCE_TYPE = 0x30;
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/**
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* The BER type that is assigned to the universal set type.
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*/
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public static final byte UNIVERSAL_SET_TYPE = 0x31;
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/**
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* The byte array that will be used for ASN.1 elements with no value.
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*/
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static final byte[] NO_VALUE = new byte[0];
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/**
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* The bitmask that can be ANDed with the BER type to zero out all bits except
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* those used in the class.
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*/
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static final byte TYPE_MASK_ALL_BUT_CLASS = (byte) 0xC0;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is in the universal class.
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*/
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static final byte TYPE_MASK_UNIVERSAL = 0x00;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is in the application-specific class.
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*/
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static final byte TYPE_MASK_APPLICATION = 0x40;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is in the context-specific class.
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*/
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static final byte TYPE_MASK_CONTEXT = (byte) 0x80;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is in the private class.
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*/
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static final byte TYPE_MASK_PRIVATE = (byte) 0xC0;
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/**
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* The bitmask that can be ANDed with the BER type to zero out all bits except
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* the primitive/constructed bit.
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*/
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static final byte TYPE_MASK_ALL_BUT_PC = (byte) 0x20;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is a primitive.
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*/
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static final byte TYPE_MASK_PRIMITIVE = 0x00;
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/**
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* The bitmask that can be ANDed with the BER type to determine if the element
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* is constructed.
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*/
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static final byte TYPE_MASK_CONSTRUCTED = 0x20;
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/**
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* The byte array containing the pre-encoded ASN.1 encoding for a boolean
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* value of "false".
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*/
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public static final byte BOOLEAN_VALUE_FALSE = 0x00;
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/**
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* The byte array containing the pre-encoded ASN.1 encoding for a boolean
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* value of "false".
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*/
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public static final byte BOOLEAN_VALUE_TRUE = (byte) 0xFF;
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// Prevent instantiation.
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private ASN1Constants()
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{
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// Nothing to do.
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}
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}
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