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Library for performing common LDAP operations
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/*
  $Id: AttributesFactory.java 1330 2010-05-23 22:10:53Z dfisher $

  Copyright (C) 2003-2010 Virginia Tech.
  All rights reserved.

  SEE LICENSE FOR MORE INFORMATION

  Author:  Middleware Services
  Email:   [email protected]
  Version: $Revision: 1330 $
  Updated: $Date: 2010-05-23 18:10:53 -0400 (Sun, 23 May 2010) $
*/
package edu.vt.middleware.ldap;

import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.BasicAttributes;

/**
 * AttributesFactory provides convenience methods for creating
 * Attributes and Attribute.
 *
 * @author  Middleware Services
 * @version  $Revision: 1330 $ $Date: 2010-05-23 18:10:53 -0400 (Sun, 23 May 2010) $
 */
public final class AttributesFactory
{

  /** Default constructor. */
  private AttributesFactory() {}


  /**
   * Creates a new Attributes with the supplied name. Attributes
   * will be case-insensitive.
   *
   * @param  name  of the attribute
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(final String name)
  {
    return createAttributes(name, LdapConstants.DEFAULT_IGNORE_CASE);
  }


  /**
   * Creates a new Attributes with the supplied name.
   *
   * @param  name  of the attribute
   * @param  ignoreCase  whether to ignore the case of attribute values
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(
    final String name,
    final boolean ignoreCase)
  {
    return createAttributes(name, null, ignoreCase);
  }


  /**
   * Creates a new Attributes with the supplied name and value.
   * Attributes will be case-insensitive.
   *
   * @param  name  of the attribute
   * @param  value  of the attribute
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(
    final String name,
    final Object value)
  {
    return createAttributes(name, value, LdapConstants.DEFAULT_IGNORE_CASE);
  }


  /**
   * Creates a new Attributes with the supplied name and value.
   *
   * @param  name  of the attribute
   * @param  value  of the attribute
   * @param  ignoreCase  whether to ignore the case of attribute values
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(
    final String name,
    final Object value,
    final boolean ignoreCase)
  {
    if (value == null) {
      return createAttributes(name, null, ignoreCase);
    } else {
      return createAttributes(name, new Object[] {value}, ignoreCase);
    }
  }


  /**
   * Creates a new Attributes with the supplied name and values.
   * Attributes will be case-insensitive.
   *
   * @param  name  of the attribute
   * @param  values  of the attribute
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(
    final String name,
    final Object[] values)
  {
    return createAttributes(name, values, LdapConstants.DEFAULT_IGNORE_CASE);
  }


  /**
   * Creates a new Attributes with the supplied name and values.
   *
   * @param  name  of the attribute
   * @param  values  of the attribute
   * @param  ignoreCase  whether to ignore the case of attribute values
   *
   * @return  Attributes
   */
  public static Attributes createAttributes(
    final String name,
    final Object[] values,
    final boolean ignoreCase)
  {
    final Attributes attrs = new BasicAttributes(ignoreCase);
    attrs.put(createAttribute(name, values));
    return attrs;
  }


  /**
   * Creates a new Attribute with the supplied name.
   *
   * @param  name  of the attribute
   *
   * @return  Attribute
   */
  public static Attribute createAttribute(final String name)
  {
    return createAttribute(name, null);
  }


  /**
   * Creates a new Attribute with the supplied name and value.
   *
   * @param  name  of the attribute
   * @param  value  of the attribute
   *
   * @return  Attribute
   */
  public static Attribute createAttribute(final String name, final Object value)
  {
    if (value == null) {
      return createAttribute(name, null);
    } else {
      return createAttribute(name, new Object[] {value});
    }
  }


  /**
   * Creates a new Attribute with the supplied name and values.
   *
   * @param  name  of the attribute
   * @param  values  of the attribute
   *
   * @return  Attribute
   */
  public static Attribute createAttribute(
    final String name,
    final Object[] values)
  {
    final Attribute attr = new BasicAttribute(name);
    if (values != null) {
      for (Object o : values) {
        attr.add(o);
      }
    }
    return attr;
  }
}