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• RequireDNInSubtreeArgumentValueValidator.java

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com.unboundid.util.args.RequireDNInSubtreeArgumentValueValidator Maven / Gradle / Ivy

/*
 * Copyright 2015-2022 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright 2015-2022 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) 2015-2022 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.util.args;



import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import com.unboundid.ldap.sdk.DN;
import com.unboundid.util.Debug;
import com.unboundid.util.NotMutable;
import com.unboundid.util.NotNull;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;

import static com.unboundid.util.args.ArgsMessages.*;



/**
 * This class provides an implementation of an argument value validator that is
 * expected to be used with string or DN arguments and ensures that all values
 * for the argument are valid DNs that are within one or more specified
 * subtrees.
 */
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class RequireDNInSubtreeArgumentValueValidator
       extends ArgumentValueValidator
       implements Serializable
{
  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -4517307608327628921L;



  // The set of permitted base DNs for values of the associated argument.
  @NotNull private final List baseDNs;



  /**
   * Creates a new instance of this argument value validator with the provided
   * information.
   *
   * @param  baseDNs  The set of permitted base DNs for values of the associated
   *                  argument.  It must not be {@code null} or empty.
   */
  public RequireDNInSubtreeArgumentValueValidator(
              @NotNull final DN... baseDNs)
  {
    this(StaticUtils.toList(baseDNs));
  }



  /**
   * Creates a new instance of this argument value validator with the provided
   * information.
   *
   * @param  baseDNs  The set of permitted base DNs for values of the associated
   *                  argument.  It must not be {@code null} or empty.
   */
  public RequireDNInSubtreeArgumentValueValidator(
              @NotNull final Collection baseDNs)
  {
    Validator.ensureNotNull(baseDNs);
    Validator.ensureFalse(baseDNs.isEmpty());

    this.baseDNs = Collections.unmodifiableList(new ArrayList<>(baseDNs));
  }



  /**
   * Retrieves a list of the permitted base DNs for this argument value
   * validator.
   *
   * @return  A list of the permitted base DNs for this argument value
   *          validator.
   */
  @NotNull()
  public List getBaseDNs()
  {
    return baseDNs;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void validateArgumentValue(@NotNull final Argument argument,
                                    @NotNull final String valueString)
         throws ArgumentException
  {
    final DN dn;
    try
    {
      dn = new DN(valueString);
    }
    catch (final Exception e)
    {
      Debug.debugException(e);
      throw new ArgumentException(
           ERR_REQUIRE_DN_IN_SUBTREE_VALIDATOR_VALUE_NOT_DN.get(valueString,
                argument.getIdentifierString()),
           e);
    }


    if (baseDNs.size() == 1)
    {
      if (! dn.isDescendantOf(baseDNs.get(0), true))
      {
        throw new ArgumentException(
             ERR_REQUIRE_DN_IN_SUBTREE_VALIDATOR_VALUE_NOT_IN_SUBTREE.get(
                  valueString, argument.getIdentifierString(),
                  String.valueOf(baseDNs.get(0))));
      }
    }
    else
    {
      final StringBuilder dnList = new StringBuilder();
      final Iterator iterator = baseDNs.iterator();
      while (iterator.hasNext())
      {
        final DN baseDN = iterator.next();
        if (dn.isDescendantOf(baseDN, true))
        {
          return;
        }

        dnList.append('\'');
        dnList.append(baseDN);
        dnList.append('\'');

        if (iterator.hasNext())
        {
          dnList.append(", ");
        }
      }

      throw new ArgumentException(
           ERR_REQUIRE_DN_IN_SUBTREE_VALIDATOR_VALUE_NOT_IN_SUBTREES.get(
                valueString, argument.getIdentifierString(),
                dnList.toString()));
    }
  }



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



  /**
   * Appends a string representation of this argument value validator to the
   * provided buffer.
   *
   * @param  buffer  The buffer to which the string representation should be
   *                 appended.
   */
  public void toString(@NotNull final StringBuilder buffer)
  {
    buffer.append("RequireDNInSubtreeArgumentValueValidator(baseDNs={");

    final Iterator iterator = baseDNs.iterator();
    while (iterator.hasNext())
    {
      buffer.append('\'');
      buffer.append(iterator.next().toString());
      buffer.append('\'');

      if (iterator.hasNext())
      {
        buffer.append(", ");
      }
    }

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