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/*******************************************************************************
 * 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.spring.extension.function.bindingresult;

import com.mitchellbosecke.pebble.template.EvaluationContext;

import org.springframework.validation.BindingResult;

import java.util.Map;

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

  public static final String FUNCTION_NAME = "hasGlobalErrors";

  public HasGlobalErrorsFunction() {
    super(PARAM_FORM_NAME);
  }

  @Override
  public Object execute(Map args) {
    String formName = (String) args.get(PARAM_FORM_NAME);

    EvaluationContext context = (EvaluationContext) args.get("_context");
    BindingResult bindingResult = this.getBindingResult(formName, context);

    return bindingResult != null && bindingResult.hasGlobalErrors();
  }
}