@Test
public void testEncodeDecodeSequence() throws Exception {
final ASN1Writer writer = getWriter();
writer.writeStartSequence();
writer.writeBoolean(true);
writer.writeBoolean(false);
writer.writeInteger(0);
writer.writeInteger(10L);
writer.writeNull();
writer.writeOctetString("test value");
writer.writeOctetString("skip value");
writer.writeStartSequence();
writer.writeOctetString("nested sequence");
writer.writeEndSequence();
writer.writeStartSet();
writer.writeOctetString("nested set");
writer.writeEndSet();
writer.writeEndSequence();
final ASN1Reader reader = getReader(getEncodedBytes());
assertEquals(reader.peekType(), ASN1.UNIVERSAL_SEQUENCE_TYPE);
assertEquals(reader.peekLength(), 71);
assertTrue(reader.hasNextElement());
reader.readStartSequence();
assertTrue(reader.hasNextElement());
assertEquals(true, reader.readBoolean());
assertEquals(false, reader.readBoolean());
assertEquals(0, reader.readInteger());
assertEquals(10, reader.readInteger());
reader.readNull();
assertEquals("test value", reader.readOctetStringAsString());
reader.skipElement();
assertEquals(reader.peekLength(), 17);
assertEquals(reader.peekType(), ASN1.UNIVERSAL_SEQUENCE_TYPE);
reader.readStartSequence();
assertEquals("nested sequence", reader.readOctetStringAsString());
reader.readEndSequence();
assertEquals(reader.peekLength(), 12);
assertEquals(reader.peekType(), ASN1.UNIVERSAL_SET_TYPE);
reader.readStartSequence();
assertEquals("nested set", reader.readOctetStringAsString());
reader.readEndSequence();
assertFalse(reader.hasNextElement());
reader.readEndSequence();
assertFalse(reader.elementAvailable());
}
/**
* Reads an LDAP message from the associated input stream.
*
* @return The LDAP message read from the associated input stream, or <CODE>null</CODE> if the end
* of the stream has been reached.
* @throws IOException If a problem occurs while attempting to read from the input stream.
* @throws ASN1Exception If a problem occurs while attempting to decode the data read as an ASN.1
* sequence.
* @throws LDAPException If a problem occurs while attempting to decode the LDAP message.
*/
public LDAPMessage readMessage() throws IOException, ASN1Exception, LDAPException {
debugInputStream.setRecordingEnabled(debugEnabled());
if (!asn1Reader.hasNextElement()) {
// EOF was reached...
return null;
}
LDAPMessage message = org.opends.server.protocols.ldap.LDAPReader.readMessage(asn1Reader);
if (debugInputStream.isRecordingEnabled()) {
ByteString bytesRead = debugInputStream.getRecordedBytes();
debugInputStream.clearRecordedBytes();
StringBuilder builder = new StringBuilder();
builder.append("bytes read from wire(len=");
builder.append(bytesRead.length());
builder.append("):");
builder.append(ServerConstants.EOL);
bytesRead.toHexPlusAscii(builder, 4);
TRACER.debugProtocolElement(DebugLogLevel.VERBOSE, builder.toString());
TRACER.debugProtocolElement(DebugLogLevel.VERBOSE, message.toString());
}
return message;
}