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/*******************************************************************************
* Copyright (c) 2011, 2018 IBM Corporation 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/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Otavio Busatto Pontes <obusatto@br.ibm.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.tools.launch.core.properties;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.linuxtools.tools.launch.core.LaunchCoreConstants;
import org.eclipse.ui.preferences.ScopedPreferenceStore;
/**
* Class used to get information provided in Linux Tools Path Property Page.
* This class provides the path to be used to run linux tools commands
*/
public class LinuxtoolsPathProperty {
private static final String LINUXTOOLS_PATH_EXT_POINT = "LinuxtoolsPathOptions"; //$NON-NLS-1$
private static final String LINUXTOOLS_PATH_OPTION = "option"; //$NON-NLS-1$
private static final String LINUXTOOLS_PATH_OPTION_PATH = "path"; //$NON-NLS-1$
private static final String LINUXTOOLS_PATH_OPTION_DEFAULT = "default"; //$NON-NLS-1$
private String linuxtoolsPathDefault = ""; //$NON-NLS-1$
private boolean linuxtoolsPathSystemDefault = true;
private static LinuxtoolsPathProperty instance = null;
private void fillLinuxtoolsPath(String path) {
if (path != null && !path.isEmpty()) {
linuxtoolsPathSystemDefault = false;
linuxtoolsPathDefault = path;
}
}
private LinuxtoolsPathProperty() {
IExtensionPoint extPoint = Platform.getExtensionRegistry().getExtensionPoint(LaunchCoreConstants.PLUGIN_ID, LINUXTOOLS_PATH_EXT_POINT);
if (extPoint != null) {
IConfigurationElement[] configs = extPoint.getConfigurationElements();
for (IConfigurationElement config : configs)
if (config.getName().equals(LINUXTOOLS_PATH_OPTION)) {
String sdefault = config.getAttribute(LINUXTOOLS_PATH_OPTION_DEFAULT);
if (sdefault != null && sdefault.equals(Boolean.toString(true))) {
fillLinuxtoolsPath(config.getAttribute(LINUXTOOLS_PATH_OPTION_PATH));
break;
}
}
}
}
public static LinuxtoolsPathProperty getInstance() {
if (instance == null) {
instance = new LinuxtoolsPathProperty();
}
return instance;
}
/*
* This function will return the selected Linuxtools Path in the
* 'Linux Tools Path' project properties page.
* If there is a default path setted by the extension point it should be
* selected as the default by the tools.launch.ui classes. This function
* will not care about it.
*
* * If the tools.launch.ui is not installed this function should always
* return "".
* * If the option 'Use the System env PATH' this function should return ""
* * If the option 'Prepend string to path' is selected this function
* should return the value of the selected path.
*/
public String getLinuxtoolsPath(IProject project) {
if (project == null) {
return ""; //$NON-NLS-1$
}
ScopedPreferenceStore store = new ScopedPreferenceStore(
new ProjectScope(project),
LaunchCoreConstants.PLUGIN_ID);
//If the value is not stored we use the default
boolean systemPathSelected;
if (store.contains(LaunchCoreConstants.LINUXTOOLS_PATH_SYSTEM_NAME)) {
systemPathSelected = store.getBoolean(LaunchCoreConstants.LINUXTOOLS_PATH_SYSTEM_NAME);
} else {
systemPathSelected = getLinuxtoolsPathSystemDefault();
}
if (systemPathSelected) {
return ""; //$NON-NLS-1$
}
String path = null;
if (store.contains(LaunchCoreConstants.LINUXTOOLS_PATH_NAME)) {
path = store.getString(LaunchCoreConstants.LINUXTOOLS_PATH_NAME);
}
if (path == null) {
return getLinuxtoolsPathDefault();
}
return path;
}
public String getLinuxtoolsPathDefault() {
return linuxtoolsPathDefault;
}
public boolean getLinuxtoolsPathSystemDefault() {
return linuxtoolsPathSystemDefault;
}
}
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