com.sun.xml.rpc.util.localization.Localizer Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxrpc-impl Show documentation
JAXRPC Reference Implementation
There is a newer version: 1.1.6
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.xml.rpc.util.localization;

import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import com.sun.xml.rpc.util.exception.LocalizableExceptionAdapter;

/**
 * @author JAX-RPC Development Team
 */
public class Localizer {

	protected Locale _locale;
	protected HashMap _resourceBundles;

	public Localizer() {
		this(Locale.getDefault());
	}

	public Localizer(Locale l) {
		_locale = l;
		_resourceBundles = new HashMap();
	}

	public Locale getLocale() {
		return _locale;
	}

	public String localize(Localizable l) {
		String bundlename = l.getResourceBundleName();

		try {
			ResourceBundle bundle =
				(ResourceBundle) _resourceBundles.get(bundlename);

			if (bundle == null) {
				try {
					bundle = ResourceBundle.getBundle(bundlename, _locale);
				} catch (MissingResourceException e) {
					// work around a bug in the com.sun.enterprise.deployment.WebBundleArchivist:
					//   all files with an extension different from .class (hence all the .properties files)
					//   get copied to the top level directory instead of being in the package where they
					//   are defined
					// so, since we can't find the bundle under its proper name, we look for it under
					//   the top-level package

					int i = bundlename.lastIndexOf('.');
					if (i != -1) {
						String alternateBundleName =
							bundlename.substring(i + 1);
						try {
							bundle =
								ResourceBundle.getBundle(
									alternateBundleName,
									_locale);
						} catch (MissingResourceException e2) {
							// give up
							return getDefaultMessage(l);
						}
					}
				}

				_resourceBundles.put(bundlename, bundle);
			}

			if (bundle == null) {
				return getDefaultMessage(l);
			}

			String key = l.getKey();
			if (key == null)
				key = "undefined";

			String msg = null;
			try {
				msg = bundle.getString(key);
			} catch (MissingResourceException e) {
				// notice that this may throw a MissingResourceException of its own (caught below)
				msg = bundle.getString("undefined");
			}

			// localize all arguments to the given localizable object
			Object[] args = l.getArguments();
			if (args != null) {
				for (int i = 0; i < args.length; ++i) {
					if (args[i] instanceof Localizable)
						args[i] = localize((Localizable) args[i]);
				}
			}

			String message = MessageFormat.format(msg, args);
			return message;

		} catch (MissingResourceException e) {
			return getDefaultMessage(l);
		}

	}

	protected String getDefaultMessage(Localizable l) {
		String key = l.getKey();
		Object[] args = l.getArguments();
		StringBuffer sb = new StringBuffer();
		if (!(l instanceof LocalizableExceptionAdapter)) {
			// avoid to point out the failure to localize an exception that cannot possibly be localized
			sb.append("[failed to localize] ");
		}
		sb.append(String.valueOf(key));
		if (args != null) {
			sb.append('(');
			for (int i = 0; i < args.length; ++i) {
				if (i != 0)
					sb.append(", ");
				sb.append(String.valueOf(args[i]));
			}
			sb.append(')');
		}
		return sb.toString();
	}

}