NorbiPeti
e26489d864
Only getting map fields once to speed things up Rendering black screen on first render, which also helps initialize Aparapi Disabling event handlers on stop (can't unregister) Removed and moved unlockMachine() calls from event handlers Detecting failed machine start Added note about sudo
61 lines
2.2 KiB
Java
61 lines
2.2 KiB
Java
package sznp.virtualcomputer.util;
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import lombok.val;
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import org.mozilla.interfaces.IEventListener;
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import org.virtualbox_6_0.IEvent;
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import org.virtualbox_6_0.IEventSource;
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import org.virtualbox_6_0.VBoxEventType;
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import org.virtualbox_6_0.xpcom.IUnknown;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.util.Arrays;
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import java.util.List;
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public class Utils {
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/**
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* Adds the specified path to the java library path
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*
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* @param pathToAdd the path to add
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* @throws Exception
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*/
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public static void addLibraryPath(String pathToAdd) throws Exception {
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final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
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usrPathsField.setAccessible(true);
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// get array of paths
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final String[] paths = (String[]) usrPathsField.get(null);
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// check if the path to add is already present
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for (String path : paths) {
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if (path.equals(pathToAdd)) {
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return;
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}
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}
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// add the new path
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final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
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newPaths[newPaths.length - 1] = pathToAdd;
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usrPathsField.set(null, newPaths);
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}
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//public static void registerListener(IEventSource source, IEventListener listener, VBoxEventType... types) {
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public static org.virtualbox_6_0.IEventListener registerListener(IEventSource source, IEventListener listener, List<VBoxEventType> types) {
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val ret = new org.virtualbox_6_0.IEventListener(listener);
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source.registerListener(ret, types, true);
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return ret;
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}
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@SuppressWarnings("unchecked")
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public static <T extends IEvent> T getEvent(org.mozilla.interfaces.IEvent event, Class<T> cl) {
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//if (event.getType() != type.value()) return null;
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//return (T) T.queryInterface(new IEvent(event)); - Probably won't work
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try {
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val method = cl.getMethod("queryInterface", IUnknown.class);
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return (T) method.invoke(null, new IEvent(event));
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} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
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e.printStackTrace();
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return null;
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}
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}
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}
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