public static void writeString(final File file, final String string) throws IOException {
final FileWriter out = new FileWriter(file);
try {
final BufferedWriter bufferedWriter = new BufferedWriter(out);
try {
bufferedWriter.write(string);
bufferedWriter.newLine();
} finally {
close(bufferedWriter);
}
} finally {
close(out);
}
}
private static String fallback(final String rawLocation) {
if (rawLocation.startsWith(MVN_PREFIX)) {
try {
final String repo1Url =
quickMvnUrl(rawLocation.substring(MVN_PREFIX.length()).replace(":", "/"));
return realLocation(repo1Url);
} catch (MalformedURLException e1) {
Logger.getLogger(ProvisioningUtil.class.getName()).severe("Can't find " + rawLocation);
}
} else { // try url
try {
final File file = cacheFile(lastPart(rawLocation));
final URL url = new URL(rawLocation);
InputStream is = null;
try {
is = new BufferedInputStream(url.openStream());
IO.copy(is, file);
return file.getAbsolutePath();
} finally {
IO.close(is);
}
} catch (final Exception e1) {
// no-op
}
}
// if it was not an url that's just a file path
return rawLocation;
}
public static String readFileAsString(final URI uri) throws IOException {
final StringBuilder builder = new StringBuilder("");
for (final Proxy proxy : ProxySelector.getDefault().select(uri)) {
final InputStream is;
try {
final URLConnection urlConnection = uri.toURL().openConnection(proxy);
urlConnection.setConnectTimeout(MAX_TIMEOUT);
is = urlConnection.getInputStream();
} catch (IOException e) {
continue;
}
String line;
try {
final BufferedReader reader = new BufferedReader(new InputStreamReader(is));
while ((line = reader.readLine()) != null) {
builder.append(line);
}
} finally {
close(is);
}
}
return builder.toString();
}
public static void copy(final InputStream from, final File to) throws IOException {
final OutputStream write = write(to);
try {
copy(from, write);
} finally {
close(write);
}
}
public static void copy(final URL from, final OutputStream to) throws IOException {
final InputStream read = read(from);
try {
copy(read, to);
} finally {
close(read);
}
}
public static String readString(final File file) throws IOException {
final FileReader in = new FileReader(file);
try {
final BufferedReader reader = new BufferedReader(in);
return reader.readLine();
} finally {
close(in);
}
}
public static String readString(final URL url) throws IOException {
final InputStream in = url.openStream();
try {
final BufferedReader reader = new BufferedReader(new InputStreamReader(in));
return reader.readLine();
} finally {
close(in);
}
}
/**
* Reads and closes the input stream
*
* @param in InputStream
* @param properties Properties
* @return Properties
* @throws IOException
*/
public static Properties readProperties(final InputStream in, final Properties properties)
throws IOException {
if (in == null) throw new NullPointerException("InputStream is null");
if (properties == null) throw new NullPointerException("Properties is null");
try {
properties.load(in);
} finally {
close(in);
}
return properties;
}
public static void copy(final File from, final File to) throws IOException {
if (!from.isDirectory()) {
final FileOutputStream fos = new FileOutputStream(to);
try {
copy(from, fos);
} finally {
close(fos);
}
} else {
copyDirectory(from, to);
}
}
public static String copyTryingProxies(final URI source, final File destination)
throws Exception {
final InputStream is = inputStreamTryingProxies(source);
if (is == null) {
return null;
}
try {
IO.copy(is, destination);
} finally {
IO.close(is);
}
return destination.getAbsolutePath();
}
public static String hash(final Set<URL> urls, final String algo) {
final Collection<File> files = new ArrayList<File>();
for (final URL u : urls) {
final File file = toFile(u);
if (!file.isDirectory()) {
files.add(file);
} else {
files.addAll(Files.collect(file, TrueFilter.INSTANCE));
}
}
MessageDigest digest = DIGESTS.get(algo);
if (digest == null) {
try {
digest = MessageDigest.getInstance(algo);
} catch (final NoSuchAlgorithmException e) {
throw new LoaderRuntimeException(e);
}
DIGESTS.put(algo, digest);
}
for (final File file : files) {
if (!file.exists()) {
continue;
}
DigestInputStream is = null;
try {
is = new DigestInputStream(new FileInputStream(file), digest);
IO.copy(is, new NoopOutputStream()); // read the stream
} catch (final IOException e) {
// no-op: shouldn't occur here
} finally {
IO.close(is);
}
}
final byte[] hash = digest.digest();
digest.reset();
final StringBuilder sb = new StringBuilder("");
for (final byte b : hash) { // hex convertion
sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
}
return sb.toString();
}
private static String mvnArtifactPath(final String toParse, final String snapshotBase)
throws MalformedURLException {
final StringBuilder builder = new StringBuilder();
final String[] segments = toParse.split("/");
if (segments.length < 3) {
throw new MalformedURLException("Invalid path. " + toParse);
}
final String group = segments[0];
if (group.trim().isEmpty()) {
throw new MalformedURLException("Invalid groupId. " + toParse);
}
builder.append(group.replace('.', '/')).append("/");
final String artifact = segments[1];
if (artifact.trim().isEmpty()) {
throw new MalformedURLException("Invalid artifactId. " + toParse);
}
builder.append(artifact).append("/");
final String version = segments[2];
if (version.trim().isEmpty()) {
throw new MalformedURLException("Invalid artifactId. " + toParse);
}
builder.append(version).append("/");
String artifactVersion;
if (snapshotBase != null
&& snapshotBase.startsWith(HTTP_PREFIX)
&& version.endsWith(SNAPSHOT_SUFFIX)) {
final String meta =
new StringBuilder(snapshotBase)
.append(builder.toString())
.append("maven-metadata.xml")
.toString();
final URL url = new URL(meta);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
InputStream is = null;
try {
is = inputStreamTryingProxies(url.toURI());
IO.copy(is, out);
artifactVersion =
extractLastSnapshotVersion(version, new ByteArrayInputStream(out.toByteArray()));
} catch (final Exception e) {
artifactVersion = version;
} finally {
IO.close(is);
}
} else {
artifactVersion = version;
}
String type = "jar";
if (segments.length >= 4 && segments[3].trim().length() > 0) {
type = segments[3];
}
String fullClassifier = null;
if (segments.length >= 5 && segments[4].trim().length() > 0) {
fullClassifier = "-" + segments[4];
}
builder.append(artifact).append("-").append(artifactVersion);
if (fullClassifier != null) {
builder.append(fullClassifier);
}
return builder.append(".").append(type).toString();
}
