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Pebble Integration with Spring 3

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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 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 HasGlobalErrorsFunction extends BaseBindingResultFunction {

  public static final String FUNCTION_NAME = "hasGlobalErrors";

  public HasGlobalErrorsFunction() {
    super(PARAM_FORM_NAME);
  }

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

    BindingResult bindingResult = this.getBindingResult(formName, context);
    return bindingResult != null && bindingResult.hasGlobalErrors();
  }
}