Copyright (c) 2000, 2012 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.resources.ant;

import java.text.MessageFormat;
import java.util.*;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
// can't use ICU, used by ant

public class Policy {
	private static final String bundleName = "org.eclipse.core.resources.ant.messages";//$NON-NLS-1$
	private static ResourceBundle bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault());

	
Lookup the message with the given ID in this catalog
/**
	 * Lookup the message with the given ID in this catalog
	 */
	public static String bind(String id) {
		return bind(id, (String[]) null);
	}

	public static IProgressMonitor monitorFor(IProgressMonitor monitor) {
		if (monitor == null)
			return new NullProgressMonitor();
		return monitor;
	}

	
Lookup the message with the given ID in this catalog and bind its
substitution locations with the given string.
/**
	 * Lookup the message with the given ID in this catalog and bind its
	 * substitution locations with the given string.
	 */
	public static String bind(String id, String binding) {
		return bind(id, new String[] {binding});
	}

	
Lookup the message with the given ID in this catalog and bind its
substitution locations with the given strings.
/**
	 * Lookup the message with the given ID in this catalog and bind its
	 * substitution locations with the given strings.
	 */
	public static String bind(String id, String binding1, String binding2) {
		return bind(id, new String[] {binding1, binding2});
	}

	
Lookup the message with the given ID in this catalog and bind its
substitution locations with the given string values.
/**
	 * Lookup the message with the given ID in this catalog and bind its
	 * substitution locations with the given string values.
	 */
	public static String bind(String id, String[] bindings) {
		if (id == null)
			return "No message available";//$NON-NLS-1$
		String message = null;
		try {
			message = bundle.getString(id);
		} catch (MissingResourceException e) {
			// If we got an exception looking for the message, fail gracefully by just returning
			// the id we were looking for.  In most cases this is semi-informative so is not too bad.
			return "Missing message: " + id + " in: " + bundleName;//$NON-NLS-1$ //$NON-NLS-2$
		}
		if (bindings == null)
			return message;
		return MessageFormat.format(message, (Object[]) bindings);
	}
}