| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.shared.ldap.codec.decorators; |
| |
| |
| import java.nio.BufferOverflowException; |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.shared.asn1.EncoderException; |
| import org.apache.directory.shared.asn1.ber.tlv.BerValue; |
| import org.apache.directory.shared.asn1.ber.tlv.TLV; |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.codec.api.Decorator; |
| import org.apache.directory.shared.ldap.codec.api.LdapApiService; |
| import org.apache.directory.shared.ldap.codec.api.LdapEncoder; |
| import org.apache.directory.shared.ldap.model.message.LdapResult; |
| import org.apache.directory.shared.ldap.model.message.Referral; |
| import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; |
| import org.apache.directory.shared.ldap.model.name.Dn; |
| import org.apache.directory.shared.util.Strings; |
| |
| |
| /** |
| * A decorator for the LdapResultResponse message |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdapResultDecorator implements LdapResult, Decorator<LdapResult> |
| { |
| /** The decorated LdapResult */ |
| private final LdapResult decoratedLdapResult; |
| |
| /** Temporary storage for message bytes */ |
| private byte[] errorMessageBytes; |
| |
| /** Temporary storage of the byte[] representing the matchedDN */ |
| private byte[] matchedDnBytes; |
| |
| /** The codec responsible for encoding and decoding this object. */ |
| private LdapApiService codec; |
| |
| private static final byte[] DEFAULT_SUCCESS = new byte[] |
| { 0x0A, 0x01, 0x00, 0x04, 0x00, 0x04, 0x00 }; |
| |
| |
| /** |
| * Makes a LdapResult encodable. |
| * |
| * @param decoratedLdapResult the decorated LdapResult |
| */ |
| public LdapResultDecorator( LdapResult decoratedLdapResult ) |
| { |
| this.decoratedLdapResult = decoratedLdapResult; |
| } |
| |
| |
| /** |
| * @return The encoded Error message |
| */ |
| public byte[] getErrorMessageBytes() |
| { |
| return errorMessageBytes; |
| } |
| |
| |
| /** |
| * Set the encoded message's bytes |
| * @param errorMessageBytes The encoded bytes |
| */ |
| public void setErrorMessageBytes( byte[] errorMessageBytes ) |
| { |
| this.errorMessageBytes = errorMessageBytes; |
| } |
| |
| |
| /** |
| * Sets the encoded value for MatchedDn |
| * |
| * @param matchedDnBytes The encoded MatchedDN |
| */ |
| public void setMatchedDnBytes( byte[] matchedDnBytes ) |
| { |
| this.matchedDnBytes = matchedDnBytes; |
| } |
| |
| |
| /** |
| * @return the encoded MatchedDN |
| */ |
| public byte[] getMatchedDnBytes() |
| { |
| return matchedDnBytes; |
| } |
| |
| |
| //------------------------------------------------------------------------- |
| // The LdapResult methods |
| //------------------------------------------------------------------------- |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public ResultCodeEnum getResultCode() |
| { |
| return decoratedLdapResult.getResultCode(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setResultCode( ResultCodeEnum resultCode ) |
| { |
| decoratedLdapResult.setResultCode( resultCode ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Dn getMatchedDn() |
| { |
| return decoratedLdapResult.getMatchedDn(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setMatchedDn( Dn dn ) |
| { |
| decoratedLdapResult.setMatchedDn( dn ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getDiagnosticMessage() |
| { |
| return decoratedLdapResult.getDiagnosticMessage(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setDiagnosticMessage( String diagnosticMessage ) |
| { |
| decoratedLdapResult.setDiagnosticMessage( diagnosticMessage ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isReferral() |
| { |
| return decoratedLdapResult.isReferral(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Referral getReferral() |
| { |
| return decoratedLdapResult.getReferral(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setReferral( Referral referral ) |
| { |
| decoratedLdapResult.setReferral( referral ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String toString() |
| { |
| return decoratedLdapResult.toString(); |
| } |
| |
| |
| //------------------------------------------------------------------------- |
| // The Decorator methods |
| //------------------------------------------------------------------------- |
| /** |
| * Compute the LdapResult length |
| * |
| * LdapResult : |
| * 0x0A 01 resultCode (0..80) |
| * 0x04 L1 matchedDN (L1 = Length(matchedDN)) |
| * 0x04 L2 errorMessage (L2 = Length(errorMessage)) |
| * [0x83 L3] referrals |
| * | |
| * +--> 0x04 L4 referral |
| * +--> 0x04 L5 referral |
| * +--> ... |
| * +--> 0x04 Li referral |
| * +--> ... |
| * +--> 0x04 Ln referral |
| * |
| * L1 = Length(matchedDN) |
| * L2 = Length(errorMessage) |
| * L3 = n*Length(0x04) + sum(Length(L4) .. Length(Ln)) + sum(L4..Ln) |
| * L4..n = Length(0x04) + Length(Li) + Li |
| * Length(LdapResult) = Length(0x0x0A) + |
| * Length(0x01) + 1 + Length(0x04) + Length(L1) + L1 + Length(0x04) + |
| * Length(L2) + L2 + Length(0x83) + Length(L3) + L3 |
| */ |
| public int computeLength() |
| { |
| if ( decoratedLdapResult.isDefaultSuccess() ) |
| { |
| // The length of a default success PDU : 0xA0 0x01 0x00 0x04 0x00 0x04 0x00 |
| return DEFAULT_SUCCESS.length; |
| } |
| |
| int ldapResultLength = 0; |
| |
| // The result code |
| ldapResultLength = 1 + 1 + BerValue.getNbBytes( getResultCode().getValue() ); |
| |
| // The matchedDN length |
| if ( getMatchedDn() == null ) |
| { |
| ldapResultLength += 1 + 1; |
| } |
| else |
| { |
| byte[] matchedDNBytes = Strings.getBytesUtf8( Strings.trimLeft( getMatchedDn().getName() ) ); |
| ldapResultLength += 1 + TLV.getNbBytes( matchedDNBytes.length ) + matchedDNBytes.length; |
| setMatchedDnBytes( matchedDNBytes ); |
| } |
| |
| // The errorMessage length |
| byte[] errorMessageBytes = Strings.getBytesUtf8( getDiagnosticMessage() ); |
| ldapResultLength += 1 + TLV.getNbBytes( errorMessageBytes.length ) + errorMessageBytes.length; |
| setErrorMessageBytes( errorMessageBytes ); |
| |
| int referralLength = LdapEncoder.computeReferralLength( getReferral() ); |
| |
| if ( referralLength != 0 ) |
| { |
| // The referrals |
| ldapResultLength += 1 + TLV.getNbBytes( referralLength ) + referralLength; |
| } |
| |
| return ldapResultLength; |
| } |
| |
| |
| /** |
| * Encode the LdapResult message to a PDU. |
| * |
| * @param buffer The buffer where to put the PDU |
| * @return The PDU. |
| */ |
| public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException |
| { |
| if ( buffer == null ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04023 ) ); |
| } |
| |
| if ( decoratedLdapResult.isDefaultSuccess() ) |
| { |
| // The length of a default success PDU : 0xA0 0x01 0x00 0x04 0x00 0x04 0x00 |
| buffer.put( DEFAULT_SUCCESS ); |
| |
| return buffer; |
| } |
| |
| try |
| { |
| // The result code |
| BerValue.encodeEnumerated( buffer, getResultCode().getValue() ); |
| } |
| catch ( BufferOverflowException boe ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04005 ) ); |
| } |
| |
| // The matchedDN |
| BerValue.encode( buffer, getMatchedDnBytes() ); |
| |
| // The error message |
| BerValue.encode( buffer, getErrorMessageBytes() ); |
| |
| // The referrals, if any |
| Referral referral = getReferral(); |
| |
| if ( referral != null ) |
| { |
| LdapEncoder.encodeReferral( buffer, referral ); |
| } |
| |
| return buffer; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public LdapResult getDecorated() |
| { |
| return decoratedLdapResult; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public LdapApiService getCodecService() |
| { |
| return codec; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isDefaultSuccess() |
| { |
| return decoratedLdapResult.isDefaultSuccess(); |
| } |
| } |