org.polymap.core.model.Messages.java Source code

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Here is the source code for org.polymap.core.model.Messages.java

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/* 
 * polymap.org
 * Copyright 2009-2012, Polymap GmbH. All rights reserved.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package org.polymap.core.model;

import java.util.ResourceBundle;

import org.apache.commons.lang.StringUtils;

import org.eclipse.rwt.RWT;

import org.polymap.core.runtime.MessagesImpl;

/**
 * 
 * 
 * @author <a href="http://www.polymap.de">Falko Braeutigam</a> 
 */
public class Messages {

    private static final String BUNDLE_NAME = "org.polymap.core.model" + ".messages"; //$NON-NLS-1$

    private static final MessagesImpl instance = new MessagesImpl(BUNDLE_NAME, Messages.class.getClassLoader());

    private Messages() {
        // prevent instantiation
    }

    public static String i18n(String key, Object... args) {
        return instance.get(key, args);
    }

    public static String get(String key, Object... args) {
        return instance.get(key, args);
    }

    public static String getForClass(String keySuffix) {

        Exception e = new Exception();
        e.fillInStackTrace();
        StackTraceElement[] trace = e.getStackTrace();
        StackTraceElement elm = trace[trace.length - 1];

        StringBuffer key = new StringBuffer(64);
        key.append(StringUtils.substringAfterLast(elm.getClassName(), ".")).append("_").append(key);

        ClassLoader cl = Messages.class.getClassLoader();
        // getBundle() caches the bundles
        ResourceBundle bundle = ResourceBundle.getBundle(BUNDLE_NAME, RWT.getLocale(), cl);
        return bundle.getString(key.toString());
    }

    public static Messages get() {
        Class clazz = Messages.class;
        return (Messages) RWT.NLS.getISO8859_1Encoded(BUNDLE_NAME, clazz);
    }

}