com.mitchellbosecke.pebble.spring4.extension.function.bindingresult.HasFieldErrorsFunction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of pebble-spring4 Show documentation

Pebble Integration with Spring 4.x

There is a newer version: 3.1.5

/*
 * Copyright (c) 2013 by Mitchell Bösecke
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
package com.mitchellbosecke.pebble.spring4.extension.function.bindingresult;

import com.mitchellbosecke.pebble.template.EvaluationContext;
import com.mitchellbosecke.pebble.template.PebbleTemplate;
import java.util.Map;
import org.springframework.validation.BindingResult;

/**
 * 
 * Function available to templates in Spring MVC applications in order to access the BindingResult
 * of a form
 * 
 *
 * @author Eric Bussieres
 */
public class HasFieldErrorsFunction extends BaseBindingResultFunction {

  public static final String FUNCTION_NAME = "hasFieldErrors";

  public HasFieldErrorsFunction() {
    super(PARAM_FORM_NAME, PARAM_FIELD_NAME);
  }

  @Override
  public Object execute(Map args, PebbleTemplate self, EvaluationContext context,
      int lineNumber) {
    String formName = (String) args.get(PARAM_FORM_NAME);
    String fieldName = (String) args.get(PARAM_FIELD_NAME);

    BindingResult bindingResult = this.getBindingResult(formName, context);

    if (bindingResult != null) {
      if (fieldName == null) {
        return bindingResult.hasFieldErrors();
      } else {
        return bindingResult.hasFieldErrors(fieldName);
      }
    } else {
      return false;
    }
  }
}