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/*******************************************************************************
* Copyright (c) 2008 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ptp.rm.mpi.mpich2.core;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ptp.rm.mpi.mpich2.core.messages.Messages;
import org.osgi.framework.Bundle;
/**
*
* @author Daniel Felix Ferber
*
*/
public class MPICH2Defaults {
public static String LAUNCH_CMD = null;
public static String DEBUG_CMD = null;
public static String DISCOVER_CMD = null;
public static String PERIODIC_CMD = null;
public static int PERIODIC_TIME = 0;
public static String PATH = null;
public static boolean USE_DEFAULTS = false;
private static String defaultsResourcePath = "/data/defaults.properties"; //$NON-NLS-1$
public static void loadDefaults() throws CoreException {
Path defaultsPropertiesPath = new Path(defaultsResourcePath);
Bundle bundle = MPICH2Plugin.getDefault().getBundle();
Properties properties = read(defaultsPropertiesPath, bundle);
LAUNCH_CMD = getString(bundle, properties, "LAUNCH_CMD"); //$NON-NLS-1$
DEBUG_CMD = getString(bundle, properties, "DEBUG_CMD"); //$NON-NLS-1$
DISCOVER_CMD = getString(bundle, properties, "DISCOVER_CMD"); //$NON-NLS-1$
PERIODIC_CMD = getString(bundle, properties, "PERIODIC_CMD"); //$NON-NLS-1$
PERIODIC_TIME = getInteger(bundle, properties, "PERIODIC_TIME"); //$NON-NLS-1$
PATH = getString(bundle, properties, "PATH"); //$NON-NLS-1$
USE_DEFAULTS = getBoolean(bundle, properties, "USE_DEFAULTS"); //$NON-NLS-1$
assert LAUNCH_CMD != null;
assert DEBUG_CMD != null;
assert DISCOVER_CMD != null;
assert PERIODIC_CMD != null;
assert PATH != null;
}
public static Properties read(Path defaultsPropertiesPath, Bundle bundle)
throws CoreException {
InputStream inStream;
Properties properties = new Properties();
try {
inStream = FileLocator.openStream(bundle, defaultsPropertiesPath, false);
properties.load(inStream);
} catch (IOException e) {
throw MPICH2Plugin.coreErrorException(Messages.MPICH2Defaults_Exception_FailedReadFile, e);
}
return properties;
}
public static String getString(Bundle bundle, Properties properties, String key) throws CoreException {
String value = properties.getProperty(key);
if (value == null) {
throw new CoreException(new Status(IStatus.ERROR, bundle.getSymbolicName(), NLS.bind(Messages.MPICH2Defaults_MissingValue, key)));
}
return value;
}
public static int getInteger(Bundle bundle, Properties properties, String key) throws CoreException {
String value = getString(bundle, properties, key);
try {
return Integer.parseInt(value);
} catch (NumberFormatException e) {
throw new CoreException(new Status(IStatus.ERROR, bundle.getSymbolicName(), NLS.bind(Messages.MPICH2Defaults_FailedParseInteger, key)));
}
}
public static boolean getBoolean(Bundle bundle, Properties properties, String key) throws CoreException {
String value = getString(bundle, properties, key);
return Boolean.parseBoolean(value);
}
}
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