protected JpsSdk<JpsDummyElement> addJdk(final String name, final String path) {
String homePath = System.getProperty("java.home");
String versionString = System.getProperty("java.version");
JpsTypedLibrary<JpsSdk<JpsDummyElement>> jdk =
myModel.getGlobal().addSdk(name, homePath, versionString, JpsJavaSdkType.INSTANCE);
jdk.addRoot(JpsPathUtil.pathToUrl(path), JpsOrderRootType.COMPILED);
return jdk.getProperties();
}
protected static void change(String filePath, final @Nullable String newContent) {
try {
File file = new File(FileUtil.toSystemDependentName(filePath));
assertTrue("File " + file.getAbsolutePath() + " doesn't exist", file.exists());
if (newContent != null) {
FileUtil.writeToFile(file, newContent);
}
long oldTimestamp = FileSystemUtil.lastModified(file);
long time = System.currentTimeMillis();
setLastModified(file, time);
if (FileSystemUtil.lastModified(file) <= oldTimestamp) {
setLastModified(file, time + 1);
long newTimeStamp = FileSystemUtil.lastModified(file);
if (newTimeStamp <= oldTimestamp) {
// Mac OS and some versions of Linux truncates timestamp to nearest second
setLastModified(file, time + 1000);
newTimeStamp = FileSystemUtil.lastModified(file);
assertTrue(
"Failed to change timestamp for " + file.getAbsolutePath(),
newTimeStamp > oldTimestamp);
}
sleepUntil(newTimeStamp);
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
protected static void sleepUntil(long time) {
// we need this to ensure that the file won't be treated as changed by user during compilation
// and therefore marked for recompilation
long delta;
while ((delta = time - System.currentTimeMillis()) > 0) {
try {
//noinspection BusyWait
Thread.sleep(delta);
} catch (InterruptedException ignored) {
}
}
}