/** check a candidate plugin for jar hell before installing it */
private void jarHellCheck(Path candidate, boolean isolated) throws IOException {
// create list of current jars in classpath
final List<URL> jars = new ArrayList<>(Arrays.asList(JarHell.parseClassPath()));
// read existing bundles. this does some checks on the installation too.
List<Bundle> bundles = PluginsService.getPluginBundles(environment.pluginsFile());
// if we aren't isolated, we need to jarhellcheck against any other non-isolated plugins
// thats always the first bundle
if (isolated == false) {
jars.addAll(bundles.get(0).urls);
}
// add plugin jars to the list
Path pluginJars[] = FileSystemUtils.files(candidate, "*.jar");
for (Path jar : pluginJars) {
jars.add(jar.toUri().toURL());
}
// check combined (current classpath + new jars to-be-added)
try {
JarHell.checkJarHell(jars.toArray(new URL[jars.size()]));
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
static void testCopyInputStreamToFile(int size) throws IOException {
Path tmpdir = createTempDirectory("blah");
Path source = tmpdir.resolve("source");
Path target = tmpdir.resolve("target");
try {
boolean testReplaceExisting = rand.nextBoolean();
// create source file
byte[] b = new byte[size];
rand.nextBytes(b);
write(source, b);
// target file might already exist
if (testReplaceExisting && rand.nextBoolean()) {
write(target, new byte[rand.nextInt(512)]);
}
// copy from stream to file
InputStream in = new FileInputStream(source.toFile());
try {
long n;
if (testReplaceExisting) {
n = copy(in, target, StandardCopyOption.REPLACE_EXISTING);
} else {
n = copy(in, target);
}
assertTrue(in.read() == -1); // EOF
assertTrue(n == size);
assertTrue(size(target) == size);
} finally {
in.close();
}
// check file
byte[] read = readAllBytes(target);
assertTrue(Arrays.equals(read, b));
} finally {
deleteIfExists(source);
deleteIfExists(target);
delete(tmpdir);
}
}
static void testCopyFileToOuputStream(int size) throws IOException {
Path source = createTempFile("blah", null);
try {
byte[] b = new byte[size];
rand.nextBytes(b);
write(source, b);
ByteArrayOutputStream out = new ByteArrayOutputStream();
long n = copy(source, out);
assertTrue(n == size);
assertTrue(out.size() == size);
byte[] read = out.toByteArray();
assertTrue(Arrays.equals(read, b));
// check output stream is open
out.write(0);
assertTrue(out.size() == size + 1);
} finally {
delete(source);
}
}
