com.mitchellbosecke.pebble.spring4.extension.function.MessageSourceFunction Maven / Gradle / Ivy

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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.spring4.extension.function;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.springframework.context.MessageSource;

import com.mitchellbosecke.pebble.extension.Function;
import com.mitchellbosecke.pebble.template.EvaluationContext;

/**
 * 
 * Function available to templates in Spring MVC applications in order to
 * resolve message in the application context
 * 
 *
 * @author Eric Bussieres
 */
public class MessageSourceFunction implements Function {

    public static final String FUNCTION_NAME = "message";

    private final MessageSource messageSource;

    public MessageSourceFunction(MessageSource messageSource) {
        if (messageSource == null) {
            throw new IllegalArgumentException("In order to use the message function, a bean of type "
                    + MessageSource.class.getName() + " must be configured");
        }
        this.messageSource = messageSource;
    }

    @Override
    public Object execute(Map args) {
        String key = (String) args.get("0");

        int i = 1;
        List