co.leugim.jade4ninja.template.JadeI18nHandler.java Source code

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Here is the source code for co.leugim.jade4ninja.template.JadeI18nHandler.java

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/**
 * Copyright (C) 2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package co.leugim.jade4ninja.template;

import ninja.Context;
import ninja.Result;
import ninja.i18n.Messages;

import com.google.common.base.Optional;

public class JadeI18nHandler {

    private Messages messages;
    private Context context;
    private Optional<Result> result;

    public JadeI18nHandler(Messages messages, Context context, Result result) {
        this.messages = messages;
        this.context = context;
        this.result = Optional.of(result);
    }

    public String value(String key, String... args) {
        if (key == null || key.isEmpty()) {

            throw new RuntimeException("Using i18n without any key is not possible.");
        }
        Optional<String> optResult = messages.get(key, context, result, args);
        if (optResult.isPresent())
            return optResult.get();
        else
            return key;

    }
}