runtime/contexts/org.eclipse.rcptt.ctx.parameters.impl/src/org/eclipse/rcptt/ctx/parameters/impl/GetParamService.java

/*******************************************************************************
 * Copyright (c) 2009, 2019 Xored Software Inc and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     Xored Software Inc - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.rcptt.ctx.parameters.impl;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.rcptt.ecl.core.Command;
import org.eclipse.rcptt.ecl.runtime.ICommandService;
import org.eclipse.rcptt.ecl.runtime.IProcess;

import org.eclipse.rcptt.parameters.GetParam;

public class GetParamService implements ICommandService {

	public IStatus service(Command command, IProcess context)
			throws InterruptedException, CoreException {
		GetParam cmd = (GetParam) command;
		String value = ParametersRuntime.getParam(cmd.getName());

		if (value == null) {
			return new Status(Status.ERROR, ParametersRuntime.PLUGIN_ID,
					String.format("Parameter %s not found.", cmd.getName()));
		}

		context.getOutput().write(value);
		return Status.OK_STATUS;
	}

}