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/*******************************************************************************
* Copyright (c) 2015 QNX Software Systems 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
*******************************************************************************/
package org.eclipse.cdt.internal.qt.core;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.cdt.core.build.IToolChain;
import org.eclipse.cdt.qt.core.IQtInstall;
import org.eclipse.cdt.qt.core.IQtInstallListener;
import org.eclipse.cdt.qt.core.IQtInstallManager;
import org.eclipse.cdt.qt.core.IQtInstallProvider;
import org.eclipse.cdt.qt.core.QtInstallEvent;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
public class QtInstallManager implements IQtInstallManager {
private Map<Path, IQtInstall> installs;
private Map<String, IConfigurationElement> toolChainMap;
private List<IQtInstallListener> listeners = new LinkedList<>();
private Preferences getPreferences() {
return InstanceScope.INSTANCE.getNode(Activator.ID).node("qtInstalls"); //$NON-NLS-1$
}
private void initInstalls() {
if (installs == null) {
installs = new HashMap<>();
try {
Preferences prefs = getPreferences();
for (String key : prefs.keys()) {
QtInstall install = new QtInstall(Paths.get(prefs.get(key, "/"))); //$NON-NLS-1$
installs.put(install.getQmakePath(), install);
}
} catch (BackingStoreException e) {
Activator.log(e);
}
// Auto installs
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(Activator.ID,
"qtInstallProvider"); //$NON-NLS-1$
for (IConfigurationElement element : point.getConfigurationElements()) {
try {
IQtInstallProvider provider = (IQtInstallProvider) element.createExecutableExtension("class"); //$NON-NLS-1$
for (IQtInstall install : provider.getInstalls()) {
installs.put(install.getQmakePath(), install);
}
} catch (CoreException e) {
Activator.log(e);
}
}
}
}
private void saveInstalls() {
try {
Preferences prefs = getPreferences();
// Remove ones that aren't valid
for (String key : prefs.keys()) {
if (installs.get(Paths.get(key)) == null) {
prefs.remove(key);
}
}
// Add new ones
for (Path path : installs.keySet()) {
String key = path.toString();
if (prefs.get(key, null) == null) {
prefs.put(key, installs.get(path).getQmakePath().toString());
}
}
prefs.flush();
} catch (BackingStoreException e) {
Activator.log(e);
}
}
@Override
public Collection<IQtInstall> getInstalls() {
initInstalls();
return Collections.unmodifiableCollection(installs.values());
}
@Override
public void addInstall(IQtInstall qt) {
initInstalls();
installs.put(qt.getQmakePath(), qt);
saveInstalls();
}
@Override
public IQtInstall getInstall(Path qmakePath) {
initInstalls();
return installs.get(qmakePath);
}
@Override
public Collection<IQtInstall> getInstall(String spec) {
initInstalls();
List<IQtInstall> installList = new ArrayList<>();
for (IQtInstall install : installs.values()) {
if (install.getSpec().equals(spec)) {
installList.add(install);
}
}
return installList;
}
@Override
public void removeInstall(IQtInstall install) {
fireEvent(new QtInstallEvent(QtInstallEvent.REMOVED, install));
installs.remove(install.getQmakePath());
saveInstalls();
}
@Override
public boolean supports(IQtInstall install, IToolChain toolChain) {
if (toolChainMap == null) {
toolChainMap = new HashMap<>();
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(Activator.ID,
"qtToolChainMapper"); //$NON-NLS-1$
for (IConfigurationElement element : point.getConfigurationElements()) {
if (element.getName().equals("mapping")) { //$NON-NLS-1$
String spec = element.getAttribute("spec"); //$NON-NLS-1$
toolChainMap.put(spec, element);
}
}
}
IConfigurationElement element = toolChainMap.get(install.getSpec());
if (element != null) {
for (IConfigurationElement property : element.getChildren("property")) { //$NON-NLS-1$
String key = property.getAttribute("key"); //$NON-NLS-1$
String value = property.getAttribute("value"); //$NON-NLS-1$
if (!value.equals(toolChain.getProperty(key))) {
return false;
}
}
for (Entry<String, String> property : install.getProperties().entrySet()) {
if (!property.getValue().equals(toolChain.getProperty(property.getKey()))) {
return false;
}
}
return true;
} else {
// Don't know so returning false
return false;
}
}
@Override
public void addListener(IQtInstallListener listener) {
listeners.add(listener);
}
@Override
public void removeListener(IQtInstallListener listener) {
listeners.remove(listener);
}
private void fireEvent(QtInstallEvent event) {
for (IQtInstallListener listener : listeners) {
listener.installChanged(event);
}
}
}
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