| | |
| | | * (the "License"). You may not use this file except in compliance |
| | | * with the License. |
| | | * |
| | | * You can obtain a copy of the license at |
| | | * trunk/opendj3/legal-notices/CDDLv1_0.txt |
| | | * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt |
| | | * or http://forgerock.org/license/CDDLv1.0.html. |
| | | * See the License for the specific language governing permissions |
| | | * and limitations under the License. |
| | | * |
| | | * When distributing Covered Code, include this CDDL HEADER in each |
| | | * file and include the License file at |
| | | * trunk/opendj3/legal-notices/CDDLv1_0.txt. If applicable, |
| | | * add the following below this CDDL HEADER, with the fields enclosed |
| | | * by brackets "[]" replaced with your own identifying information: |
| | | * file and include the License file at legal-notices/CDDLv1_0.txt. |
| | | * If applicable, add the following below this CDDL HEADER, with the |
| | | * fields enclosed by brackets "[]" replaced with your own identifying |
| | | * information: |
| | | * Portions Copyright [yyyy] [name of copyright owner] |
| | | * |
| | | * CDDL HEADER END |
| | |
| | | |
| | | package org.forgerock.opendj.asn1; |
| | | |
| | | |
| | | |
| | | import static org.forgerock.opendj.asn1.ASN1Constants.*; |
| | | import static org.forgerock.opendj.ldap.CoreMessages.ERR_ASN1_UNEXPECTED_TAG; |
| | | |
| | |
| | | import org.forgerock.opendj.ldap.ByteStringBuilder; |
| | | import org.forgerock.opendj.ldap.DecodeException; |
| | | |
| | | |
| | | |
| | | /** |
| | | * An abstract {@code ASN1Reader} which can be used as the basis for |
| | | * implementing new ASN1 reader implementations. |
| | | */ |
| | | public abstract class AbstractASN1Reader implements ASN1Reader |
| | | { |
| | | /** |
| | | * Creates a new abstract ASN.1 reader. |
| | | */ |
| | | protected AbstractASN1Reader() |
| | | { |
| | | // No implementation required. |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public boolean readBoolean(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_BOOLEAN_TYPE; |
| | | public abstract class AbstractASN1Reader implements ASN1Reader { |
| | | /** |
| | | * Creates a new abstract ASN.1 reader. |
| | | */ |
| | | protected AbstractASN1Reader() { |
| | | // No implementation required. |
| | | } |
| | | checkType(type); |
| | | return readBoolean(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public int readEnumerated(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_ENUMERATED_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public boolean readBoolean(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_BOOLEAN_TYPE; |
| | | } |
| | | checkType(type); |
| | | return readBoolean(); |
| | | } |
| | | checkType(type); |
| | | return readEnumerated(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public long readInteger(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_INTEGER_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public int readEnumerated(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_ENUMERATED_TYPE; |
| | | } |
| | | checkType(type); |
| | | return readEnumerated(); |
| | | } |
| | | checkType(type); |
| | | return readInteger(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readNull(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_NULL_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public long readInteger(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_INTEGER_TYPE; |
| | | } |
| | | checkType(type); |
| | | return readInteger(); |
| | | } |
| | | checkType(type); |
| | | readNull(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public ByteString readOctetString(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readNull(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_NULL_TYPE; |
| | | } |
| | | checkType(type); |
| | | readNull(); |
| | | } |
| | | checkType(type); |
| | | return readOctetString(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public ByteStringBuilder readOctetString(byte type, |
| | | final ByteStringBuilder builder) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public ByteString readOctetString(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | } |
| | | checkType(type); |
| | | return readOctetString(); |
| | | } |
| | | checkType(type); |
| | | readOctetString(builder); |
| | | return builder; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public String readOctetStringAsString(byte type) throws IOException |
| | | { |
| | | // We could cache the UTF-8 CharSet if performance proves to be an |
| | | // issue. |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public ByteStringBuilder readOctetString(byte type, final ByteStringBuilder builder) |
| | | throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | } |
| | | checkType(type); |
| | | readOctetString(builder); |
| | | return builder; |
| | | } |
| | | checkType(type); |
| | | return readOctetStringAsString(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readStartSequence(byte type) throws IOException |
| | | { |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_SEQUENCE_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public String readOctetStringAsString(byte type) throws IOException { |
| | | // We could cache the UTF-8 CharSet if performance proves to be an |
| | | // issue. |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_OCTET_STRING_TYPE; |
| | | } |
| | | checkType(type); |
| | | return readOctetStringAsString(); |
| | | } |
| | | checkType(type); |
| | | readStartSequence(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readStartSet(byte type) throws IOException |
| | | { |
| | | // From an implementation point of view, a set is equivalent to a |
| | | // sequence. |
| | | if (type == 0x00) |
| | | { |
| | | type = UNIVERSAL_SET_TYPE; |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readStartSequence(byte type) throws IOException { |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_SEQUENCE_TYPE; |
| | | } |
| | | checkType(type); |
| | | readStartSequence(); |
| | | } |
| | | checkType(type); |
| | | readStartSet(); |
| | | } |
| | | |
| | | |
| | | |
| | | private void checkType(final byte expectedType) throws IOException |
| | | { |
| | | if (peekType() != expectedType) |
| | | { |
| | | final LocalizableMessage message = ERR_ASN1_UNEXPECTED_TAG.get( |
| | | expectedType, peekType()); |
| | | throw DecodeException.fatalError(message); |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public void readStartSet(byte type) throws IOException { |
| | | // From an implementation point of view, a set is equivalent to a |
| | | // sequence. |
| | | if (type == 0x00) { |
| | | type = UNIVERSAL_SET_TYPE; |
| | | } |
| | | checkType(type); |
| | | readStartSet(); |
| | | } |
| | | } |
| | | |
| | | private void checkType(final byte expectedType) throws IOException { |
| | | if (peekType() != expectedType) { |
| | | final LocalizableMessage message = |
| | | ERR_ASN1_UNEXPECTED_TAG.get(expectedType, peekType()); |
| | | throw DecodeException.fatalError(message); |
| | | } |
| | | } |
| | | } |