All Downloads are FREE. Search and download functionalities are using the official Maven repository.
  • Log In
  • Register

    • net.sf.mmm.util.validation.base.ValidatorNone Maven / Gradle / Ivy

    There is a newer version: 8.7.0
    Show newest version
    /* Copyright (c) The m-m-m Team, Licensed under the Apache License, Version 2.0
 * http://www.apache.org/licenses/LICENSE-2.0 */
package net.sf.mmm.util.validation.base;

import java.util.Objects;

import net.sf.mmm.util.validation.api.ValidationFailure;

/**
 * This is an implementation of {@link net.sf.mmm.util.validation.api.ValueValidator} that always validates
 * successfully.
 *
 * @author Joerg Hohwiller (hohwille at users.sourceforge.net)
 * @since 3.1.0
 */
public final class ValidatorNone extends AbstractValidator {

  private static final ValidatorNone INSTANCE = new ValidatorNone();

  /**
   * The constructor.
   */
  public ValidatorNone() {

    super();
  }

  /**
   * @param  is the generic type of the value to validate.
   * @return the instance of this validator that always validates successfully.
   */
  @SuppressWarnings({ "unchecked" })
  public static  AbstractValidator getInstance() {

    return (AbstractValidator) INSTANCE;
  }

  @Override
  public ValidationFailure validate(Object value, Object valueSource) {

    return null;
  }

  @Override
  @SuppressWarnings("unchecked")
  public AbstractValidator append(AbstractValidator... validators) {

    Objects.requireNonNull(validators, "validators");
    if (validators.length == 0) {
      return this;
    } else if (validators.length == 1) {
      return validators[0];
    } else {
      return new ComposedValidator<>(validators);
    }
  }

  @Override
  public int hashCode() {

    return 0;
  }

  @Override
  public boolean equals(Object obj) {

    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    return true;
  }

}
    
    
    
    

    




    
    
    © 2015 - 2025 Weber Informatics LLC | Privacy Policy