com.sun.javafx.util.ModuleHelper Maven / Gradle / Ivy
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* version 2 for more details (a copy is included in the LICENSE file that
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package com.sun.javafx.util;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
public class ModuleHelper {
private static final Method getModuleMethod;
private static final Method addReadsMethod;
private static final Method addExportsMethod;
private static final boolean verbose;
static {
@SuppressWarnings("removal")
boolean tmp = AccessController.doPrivileged((PrivilegedAction) () ->
Boolean.getBoolean("javafx.verbose"));
verbose = tmp;
if (verbose) {
System.err.println("" + ModuleHelper.class.getName() + " : ");
}
Method mGetModule = null;
Method mAddReads = null;
Method mAddExports = null;
try {
mGetModule = Class.class.getMethod("getModule");
Class moduleClass = mGetModule.getReturnType();
mAddReads = moduleClass.getMethod("addReads", moduleClass);
mAddExports = moduleClass.getMethod("addExports", String.class, moduleClass);
} catch (NoSuchMethodException e) {
// ignore
}
getModuleMethod = mGetModule;
addReadsMethod = mAddReads;
addExportsMethod = mAddExports;
if (verbose) {
System.err.println("getModuleMethod = " + getModuleMethod);
System.err.println("addReadsMethod = " + addReadsMethod);
System.err.println("addExportsMethod = " + addExportsMethod);
}
}
public static Object getModule(Class clazz) {
if (getModuleMethod != null) {
try {
return getModuleMethod.invoke(clazz);
} catch (IllegalAccessException | InvocationTargetException ex) {
throw new RuntimeException(ex);
}
}
return null;
}
public static void addReads(Object thisModule, Object targetModule) {
if (addReadsMethod != null) {
try {
addReadsMethod.invoke(thisModule, targetModule);
} catch (IllegalAccessException | InvocationTargetException ex) {
throw new RuntimeException(ex);
}
}
}
public static void addExports(Object thisModule, String packageName, Object targetModule) {
if (addExportsMethod != null) {
try {
addExportsMethod.invoke(thisModule, packageName, targetModule);
} catch (IllegalAccessException | InvocationTargetException ex) {
throw new RuntimeException(ex);
}
}
}
}