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• AddRequestProtocolOp.java

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com.unboundid.ldap.protocol.AddRequestProtocolOp Maven / Gradle / Ivy

/*
 * Copyright 2009-2023 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright 2009-2023 Ping Identity Corporation
 *
 * Licensed 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.
 */
/*
 * Copyright (C) 2009-2023 Ping Identity Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.ldap.protocol;



import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import com.unboundid.asn1.ASN1Buffer;
import com.unboundid.asn1.ASN1BufferSequence;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.asn1.ASN1StreamReader;
import com.unboundid.asn1.ASN1StreamReaderSequence;
import com.unboundid.ldap.sdk.AddRequest;
import com.unboundid.ldap.sdk.Attribute;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.Debug;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.NotMutable;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;

import static com.unboundid.ldap.protocol.ProtocolMessages.*;



/**
 * This class provides an implementation of an LDAP add request protocol op.
 */
@InternalUseOnly()
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class AddRequestProtocolOp
       implements ProtocolOp
{
  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -1195296296055518601L;



  // The list of attributes for this add request.
  @NotNull private final List attributes;

  // The entry DN for this add request.
  @NotNull private final String dn;



  /**
   * Creates a new add request protocol op with the provided information.
   *
   * @param  dn          The entry DN for this add request.
   * @param  attributes  The list of attributes to include in this add request.
   */
  public AddRequestProtocolOp(@NotNull final String dn,
                              @NotNull final List attributes)
  {
    this.dn         = dn;
    this.attributes = Collections.unmodifiableList(attributes);
  }



  /**
   * Creates a new add request protocol op from the provided add request object.
   *
   * @param  request  The add request object to use to create this protocol op.
   */
  public AddRequestProtocolOp(@NotNull final AddRequest request)
  {
    dn          = request.getDN();
    attributes = request.getAttributes();
  }



  /**
   * Creates a new add request protocol op read from the provided ASN.1 stream
   * reader.
   *
   * @param  reader  The ASN.1 stream reader from which to read the add request
   *                 protocol op.
   *
   * @throws  LDAPException  If a problem occurs while reading or parsing the
   *                         add request.
   */
  AddRequestProtocolOp(@NotNull final ASN1StreamReader reader)
       throws LDAPException
  {
    try
    {
      reader.beginSequence();
      dn = reader.readString();
      Validator.ensureNotNull(dn);

      final ArrayList attrs = new ArrayList<>(10);
      final ASN1StreamReaderSequence attrSequence = reader.beginSequence();
      while (attrSequence.hasMoreElements())
      {
        attrs.add(Attribute.readFrom(reader));
      }

      attributes = Collections.unmodifiableList(attrs);
    }
    catch (final LDAPException le)
    {
      Debug.debugException(le);
      throw le;
    }
    catch (final Exception e)
    {
      Debug.debugException(e);

      throw new LDAPException(ResultCode.DECODING_ERROR,
           ERR_ADD_REQUEST_CANNOT_DECODE.get(
                StaticUtils.getExceptionMessage(e)),
           e);
    }
  }



  /**
   * Retrieves the target entry DN for this add request.
   *
   * @return  The target entry DN for this add request.

   */
  @NotNull()
  public String getDN()
  {
    return dn;
  }



  /**
   * Retrieves the list of attributes for this add request.
   *
   * @return  The list of attributes for this add request.
   */
  @NotNull()
  public List getAttributes()
  {
    return attributes;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public byte getProtocolOpType()
  {
    return LDAPMessage.PROTOCOL_OP_TYPE_ADD_REQUEST;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public ASN1Element encodeProtocolOp()
  {
    final ArrayList attrElements =
         new ArrayList<>(attributes.size());
    for (final Attribute a : attributes)
    {
      attrElements.add(a.encode());
    }

    return new ASN1Sequence(LDAPMessage.PROTOCOL_OP_TYPE_ADD_REQUEST,
         new ASN1OctetString(dn),
         new ASN1Sequence(attrElements));
  }



  /**
   * Decodes the provided ASN.1 element as an add request protocol op.
   *
   * @param  element  The ASN.1 element to be decoded.
   *
   * @return  The decoded add request protocol op.
   *
   * @throws  LDAPException  If the provided ASN.1 element cannot be decoded as
   *                         an add request protocol op.
   */
  @NotNull()
  public static AddRequestProtocolOp decodeProtocolOp(
                                          @NotNull final ASN1Element element)
         throws LDAPException
  {
    try
    {
      final ASN1Element[] elements =
           ASN1Sequence.decodeAsSequence(element).elements();
      final String dn =
           ASN1OctetString.decodeAsOctetString(elements[0]).stringValue();

      final ASN1Element[] attrElements =
           ASN1Sequence.decodeAsSequence(elements[1]).elements();
      final ArrayList attributes =
           new ArrayList<>(attrElements.length);
      for (final ASN1Element ae : attrElements)
      {
        attributes.add(Attribute.decode(ASN1Sequence.decodeAsSequence(ae)));
      }

      return new AddRequestProtocolOp(dn, attributes);
    }
    catch (final Exception e)
    {
      Debug.debugException(e);
      throw new LDAPException(ResultCode.DECODING_ERROR,
           ERR_ADD_REQUEST_CANNOT_DECODE.get(
                StaticUtils.getExceptionMessage(e)),
           e);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void writeTo(@NotNull final ASN1Buffer buffer)
  {
    final ASN1BufferSequence opSequence =
         buffer.beginSequence(LDAPMessage.PROTOCOL_OP_TYPE_ADD_REQUEST);
    buffer.addOctetString(dn);

    final ASN1BufferSequence attrSequence = buffer.beginSequence();
    for (final Attribute a : attributes)
    {
      a.writeTo(buffer);
    }
    attrSequence.end();
    opSequence.end();
  }



  /**
   * Creates an add request from this protocol op.
   *
   * @param  controls  The set of controls to include in the add request.  It
   *                   may be empty or {@code null} if no controls should be
   *                   included.
   *
   * @return  The add request that was created.
   */
  @NotNull()
  public AddRequest toAddRequest(@Nullable final Control... controls)
  {
    return new AddRequest(dn, attributes, controls);
  }



  /**
   * Retrieves a string representation of this protocol op.
   *
   * @return  A string representation of this protocol op.
   */
  @Override()
  @NotNull()
  public String toString()
  {
    final StringBuilder buffer = new StringBuilder();
    toString(buffer);
    return buffer.toString();
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void toString(@NotNull final StringBuilder buffer)
  {
    buffer.append("AddRequestProtocolOp(dn='");
    buffer.append(dn);
    buffer.append("', attrs={");

    final Iterator iterator = attributes.iterator();
    while (iterator.hasNext())
    {
      iterator.next().toString(buffer);
      if (iterator.hasNext())
      {
        buffer.append(',');
      }
    }

    buffer.append("})");
  }
}