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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication. This package contains the Standard Edition of the LDAP SDK, which is a complete, general-purpose library for communicating with LDAPv3 directory servers.
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/*
 * Copyright 2015-2024 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright 2015-2024 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) 2015-2024 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.json;



import com.unboundid.util.NotMutable;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;



/**
 * This class provides an implementation of a JSON value that represents a
 * Java Boolean.  The string representation of the JSON Boolean true value is
 * {@code true}, and the string representation of the JSON Boolean false value
 * is {@code false}.  These values are not surrounded by quotation marks, and
 * they must be entirely lowercase.
 */
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class JSONBoolean
       extends JSONValue
{
  /**
   * A pre-allocated object that represents a value of {@code false}.
   */
  @NotNull public static final JSONBoolean FALSE = new JSONBoolean(false);



  /**
   * A pre-allocated object that represents a value of {@code true}.
   */
  @NotNull public static final JSONBoolean TRUE = new JSONBoolean(true);



  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -5090296701442873481L;



  // The boolean value for this object.
  private final boolean booleanValue;

  // The string representation for this object.
  @NotNull private final String stringRepresentation;



  /**
   * Creates a new JSON value capable of representing a Boolean value of either
   * {@code true} or {@code false}.
   *
   * @param  booleanValue  The Boolean value for this JSON value.
   */
  public JSONBoolean(final boolean booleanValue)
  {
    this.booleanValue = booleanValue;
    stringRepresentation = (booleanValue ? "true" : "false");
  }



  /**
   * Retrieves the Java boolean value for this JSON value.
   *
   * @return  The Java boolean value for this JSON value.
   */
  public boolean booleanValue()
  {
    return booleanValue;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public int hashCode()
  {
    return (booleanValue ? Boolean.TRUE.hashCode() : Boolean.FALSE.hashCode());
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean equals(@Nullable final Object o)
  {
    if (o == this)
    {
      return true;
    }

    if (o instanceof JSONBoolean)
    {
      final JSONBoolean b = (JSONBoolean) o;
      return (b.booleanValue == booleanValue);
    }

    return false;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean equals(@NotNull final JSONValue v,
                        final boolean ignoreFieldNameCase,
                        final boolean ignoreValueCase,
                        final boolean ignoreArrayOrder)
  {
    return ((v instanceof JSONBoolean) &&
         (booleanValue == ((JSONBoolean) v).booleanValue));
  }



  /**
   * Retrieves a string representation of this Boolean value as it should appear
   * in a JSON object.  If the Boolean value is {@code true}, then the string
   * representation will be "{@code true}" (without the surrounding quotes).  If
   * the Boolean value is {@code false}, then the string representation will be
   * "{@code false}" (again, without the quotes).
   *
   * @return  A string representation of this Boolean value as it should appear
   *          in a JSON object.
   */
  @Override()
  @NotNull()
  public String toString()
  {
    return stringRepresentation;
  }



  /**
   * Appends a string representation of this Boolean value as it should appear
   * in a JSON object to the provided buffer.  If the Boolean value is
   * {@code true}, then the string representation will be "{@code true}"
   * (without the surrounding quotes).  If the Boolean value is {@code false},
   * then the string representation will be "{@code false}" (again, without the
   * quotes).
   *
   * @param  buffer  The buffer to which the information should be appended.
   */
  @Override()
  public void toString(@NotNull final StringBuilder buffer)
  {
    buffer.append(stringRepresentation);
  }



  /**
   * Retrieves a single-line string representation of this Boolean value as it
   * should appear in a JSON object.  If the Boolean value is {@code true}, then
   * the string representation will be "{@code true}" (without the surrounding
   * quotes).  If the Boolean value is {@code false}, then the string
   * representation will be "{@code false}" (again, without the quotes).
   *
   * @return  A single-line string representation of this Boolean value as it
   *          should appear in a JSON object.
   */
  @Override()
  @NotNull()
  public String toSingleLineString()
  {
    return stringRepresentation;
  }



  /**
   * Appends a single-line string representation of this Boolean value as it
   * should appear in a JSON object to the provided buffer.  If the Boolean
   * value is {@code true}, then the string representation will be
   * "{@code true}" (without the surrounding quotes).  If the Boolean value is
   * {@code false}, then the string representation will be "{@code false}"
   * (again, without the quotes).
   *
   * @param  buffer  The buffer to which the information should be appended.
   */
  @Override()
  public void toSingleLineString(@NotNull final StringBuilder buffer)
  {
    buffer.append(stringRepresentation);
  }



  /**
   * Retrieves a normalized string representation of this Boolean value as it
   * should appear in a JSON object.  If the Boolean value is {@code true}, then
   * the string representation will be "{@code true}" (without the surrounding
   * quotes).  If the Boolean value is {@code false}, then the string
   * representation will be "{@code false}" (again, without the quotes).
   *
   * @return  A normalized string representation of this Boolean value as it
   *          should appear in a JSON object.
   */
  @Override()
  @NotNull()
  public String toNormalizedString()
  {
    return stringRepresentation;
  }



  /**
   * Appends a normalized string representation of this Boolean value as it
   * should appear in a JSON object to the provided buffer.  If the Boolean
   * value is {@code true}, then the string representation will be
   * "{@code true}" (without the surrounding quotes).  If the Boolean value is
   * {@code false}, then the string representation will be "{@code false}"
   * (again, without the quotes).
   *
   * @param  buffer  The buffer to which the information should be appended.
   */
  @Override()
  public void toNormalizedString(@NotNull final StringBuilder buffer)
  {
    buffer.append(stringRepresentation);
  }



  /**
   * Retrieves a normalized string representation of this Boolean value as it
   * should appear in a JSON object.  If the Boolean value is {@code true}, then
   * the string representation will be "{@code true}" (without the surrounding
   * quotes).  If the Boolean value is {@code false}, then the string
   * representation will be "{@code false}" (again, without the quotes).
   *
   * @param  ignoreFieldNameCase  Indicates whether field names should be
   *                              treated in a case-sensitive (if {@code false})
   *                              or case-insensitive (if {@code true}) manner.
   * @param  ignoreValueCase      Indicates whether string field values should
   *                              be treated in a case-sensitive (if
   *                              {@code false}) or case-insensitive (if
   *                              {@code true}) manner.
   * @param  ignoreArrayOrder     Indicates whether the order of elements in an
   *                              array should be considered significant (if
   *                              {@code false}) or insignificant (if
   *                              {@code true}).
   *
   * @return  A normalized string representation of this Boolean value as it
   *          should appear in a JSON object.
   */
  @Override()
  @NotNull()
  public String toNormalizedString(final boolean ignoreFieldNameCase,
                                   final boolean ignoreValueCase,
                                   final boolean ignoreArrayOrder)
  {
    return stringRepresentation;
  }



  /**
   * Appends a normalized string representation of this Boolean value as it
   * should appear in a JSON object to the provided buffer.  If the Boolean
   * value is {@code true}, then the string representation will be
   * "{@code true}" (without the surrounding quotes).  If the Boolean value is
   * {@code false}, then the string representation will be "{@code false}"
   * (again, without the quotes).
   *
   * @param  buffer               The buffer to which the information should be
   *                              appended.
   * @param  ignoreFieldNameCase  Indicates whether field names should be
   *                              treated in a case-sensitive (if {@code false})
   *                              or case-insensitive (if {@code true}) manner.
   * @param  ignoreValueCase      Indicates whether string field values should
   *                              be treated in a case-sensitive (if
   *                              {@code false}) or case-insensitive (if
   *                              {@code true}) manner.
   * @param  ignoreArrayOrder     Indicates whether the order of elements in an
   *                              array should be considered significant (if
   *                              {@code false}) or insignificant (if
   *                              {@code true}).
   */
  @Override()
  public void toNormalizedString(@NotNull final StringBuilder buffer,
                                 final boolean ignoreFieldNameCase,
                                 final boolean ignoreValueCase,
                                 final boolean ignoreArrayOrder)
  {
    buffer.append(stringRepresentation);
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public JSONBoolean toNormalizedValue(final boolean ignoreFieldNameCase,
                                       final boolean ignoreValueCase,
                                       final boolean ignoreArrayOrder)
  {
    // Boolean values are always in normalized form.
    return this;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void appendToJSONBuffer(@NotNull final JSONBuffer buffer)
  {
    buffer.appendBoolean(booleanValue);
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void appendToJSONBuffer(@NotNull final String fieldName,
                                 @NotNull final JSONBuffer buffer)
  {
    buffer.appendBoolean(fieldName, booleanValue);
  }
}