r/org.eclipse.statet.r.core/src/org/eclipse/statet/r/core/renv/REnvUtils.java

/*=============================================================================#
 # Copyright (c) 2011, 2017 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.r.core.renv;


public class REnvUtils {
	
	
	public static String encode(final IREnv rEnv) {
		if (rEnv != null) {
			final String name= rEnv.getName();
			if (name != null && !IREnv.DEFAULT_WORKBENCH_ENV_ID.equals(rEnv.getId())) {
				return rEnv.getId() + ';' + name;
			}
			else {
				return rEnv.getId() + ';';
			}
		}
		return ""; //$NON-NLS-1$
	}
	
	public static IREnv decode(final String encodedSetting, final IREnvManager manager) {
		if (encodedSetting != null) {
			final int idx= encodedSetting.indexOf(';');
			final IREnv rEnv;
			if (idx >= 0) {
				rEnv= manager.get(encodedSetting.substring(0, idx), encodedSetting.substring(idx + 1));
			}
			else {
				rEnv= manager.get(encodedSetting, null);
			}
			if (rEnv != null) {
				return rEnv;
			}
		}
		return null;
	}
	
	
	private REnvUtils() {
	}
	
}