void put(final URI uri, ArtifactData data) throws Exception {
reporter.trace("put %s %s", uri, data);
File tmp = createTempFile(repoDir, "mtp", ".whatever");
tmp.deleteOnExit();
try {
copy(uri.toURL(), tmp);
byte[] sha = SHA1.digest(tmp).digest();
reporter.trace("SHA %s %s", uri, Hex.toHexString(sha));
ArtifactData existing = get(sha);
if (existing != null) {
reporter.trace("existing");
xcopy(existing, data);
return;
}
File meta = new File(repoDir, Hex.toHexString(sha) + ".json");
File file = new File(repoDir, Hex.toHexString(sha));
rename(tmp, file);
reporter.trace("file %s", file);
data.file = file.getAbsolutePath();
data.sha = sha;
data.busy = false;
CommandData cmddata = parseCommandData(data);
if (cmddata.bsn != null) {
data.name = cmddata.bsn + "-" + cmddata.version;
} else data.name = Strings.display(cmddata.title, cmddata.bsn, cmddata.name, uri);
codec.enc().to(meta).put(data);
reporter.trace("TD = " + data);
} finally {
tmp.delete();
reporter.trace("puted %s %s", uri, data);
}
}
/**
* Turn the shas into a readable form
*
* @param dependencies
* @return
* @throws Exception
*/
public List<?> toString(List<byte[]> dependencies) throws Exception {
List<String> out = new ArrayList<String>();
for (byte[] dependency : dependencies) {
ArtifactData data = get(dependency);
if (data == null) out.add(Hex.toHexString(dependency));
else {
out.add(Strings.display(data.name, Hex.toHexString(dependency)));
}
}
return out;
}
public ArtifactData getCandidateAsync(String arg) throws Exception {
reporter.trace("coordinate %s", arg);
if (isUrl(arg))
try {
ArtifactData data = putAsync(new URI(arg));
data.local = true;
return data;
} catch (Exception e) {
reporter.trace("hmm, not a valid url %s, will try the server", arg);
}
Coordinate c = new Coordinate(arg);
if (c.isSha()) {
ArtifactData r = get(c.getSha());
if (r != null) return r;
}
Revision revision = library.getRevisionByCoordinate(c);
if (revision == null) return null;
reporter.trace("revision %s", Hex.toHexString(revision._id));
ArtifactData ad = get(revision._id);
if (ad != null) {
reporter.trace("found in cache");
return ad;
}
URI url = revision.urls.iterator().next();
ArtifactData artifactData = putAsync(url);
artifactData.coordinate = c;
return artifactData;
}
/** Delete a cache entry */
public boolean deleteCache(byte[] id) throws Exception {
File dir = IO.getFile(cache, Hex.toHexString(id));
if (dir.isDirectory()) {
IO.delete(dir);
return true;
}
return false;
}
void download0(URI url, File path, byte[] sha) throws Exception {
path.getParentFile().mkdirs();
File tmp = IO.createTempFile(path.getParentFile(), "tmp", ".jar");
URL u = url.toURL();
URLConnection conn = u.openConnection();
InputStream in;
if (conn instanceof HttpURLConnection) {
HttpURLConnection http = (HttpURLConnection) conn;
http.setRequestProperty("Accept-Encoding", "deflate");
http.setInstanceFollowRedirects(true);
connector.handle(conn);
int result = http.getResponseCode();
if (result / 100 != 2) {
String s = "";
InputStream err = http.getErrorStream();
try {
if (err != null) s = IO.collect(err);
if (result == 404) {
reporter.trace("not found ");
throw new FileNotFoundException("Cannot find " + url + " : " + s);
}
throw new IOException(
"Failed request " + result + ":" + http.getResponseMessage() + " " + s);
} finally {
if (err != null) err.close();
}
}
String deflate = http.getHeaderField("Content-Encoding");
in = http.getInputStream();
if (deflate != null && deflate.toLowerCase().contains("deflate")) {
in = new InflaterInputStream(in);
reporter.trace("inflate");
}
} else {
connector.handle(conn);
in = conn.getInputStream();
}
IO.copy(in, tmp);
byte[] digest = SHA1.digest(tmp).digest();
if (Arrays.equals(digest, sha)) {
IO.rename(tmp, path);
} else {
reporter.trace(
"sha's did not match %s, expected %s, got %s", tmp, Hex.toHexString(sha), digest);
throw new IllegalArgumentException("Invalid sha downloaded");
}
}
public ArtifactData get(byte[] sha) throws Exception {
String name = Hex.toHexString(sha);
File data = IO.getFile(repoDir, name + ".json");
reporter.trace("artifact data file %s", data);
if (data.isFile()) { // Bin + metadata
ArtifactData artifact = codec.dec().from(data).get(ArtifactData.class);
artifact.file = IO.getFile(repoDir, name).getAbsolutePath();
return artifact;
}
File bin = IO.getFile(repoDir, name);
if (bin.exists()) { // Only bin
ArtifactData artifact = new ArtifactData();
artifact.file = bin.getAbsolutePath();
artifact.sha = sha;
return artifact;
}
return null;
}
@Override
void encode(Encoder app, Object object, Map<Object, Type> visited) throws IOException, Exception {
// Byte arrays should not be treated as arrays. We treat them
// as hex strings
if (object instanceof byte[]) {
StringHandler.string(app, Hex.toHexString((byte[]) object));
return;
}
app.append("[");
app.indent();
String del = "";
int l = Array.getLength(object);
for (int i = 0; i < l; i++) {
app.append(del);
app.encode(Array.get(object, i), componentType, visited);
del = ",";
}
app.undent();
app.append("]");
}
public String what(String key, boolean oneliner) throws Exception {
byte[] sha;
Matcher m = SHA_P.matcher(key);
if (m.matches()) {
sha = Hex.toByteArray(key);
} else {
m = URL_P.matcher(key);
if (m.matches()) {
URL url = new URL(key);
sha = SHA1.digest(url.openStream()).digest();
} else {
File jarfile = new File(key);
if (!jarfile.exists()) {
reporter.error("File does not exist: %s", jarfile.getCanonicalPath());
}
sha = SHA1.digest(jarfile).digest();
}
}
reporter.trace("sha %s", Hex.toHexString(sha));
Revision revision = library.getRevision(sha);
if (revision == null) {
return null;
}
StringBuilder sb = new StringBuilder();
Formatter f = new Formatter(sb);
Justif justif = new Justif(120, 20, 70, 20, 75);
DateFormat dateFormat = DateFormat.getDateInstance();
try {
if (oneliner) {
f.format("%20s %s%n", Hex.toHexString(revision._id), createCoord(revision));
} else {
f.format("Artifact: %s%n", revision.artifactId);
if (revision.organization != null && revision.organization.name != null) {
f.format(" (%s)", revision.organization.name);
}
f.format("%n");
f.format("Coordinates\t0: %s%n", createCoord(revision));
f.format("Created\t0: %s%n", dateFormat.format(new Date(revision.created)));
f.format("Size\t0: %d%n", revision.size);
f.format("Sha\t0: %s%n", Hex.toHexString(revision._id));
f.format("URL\t0: %s%n", createJpmLink(revision));
f.format("%n");
f.format("%s%n", revision.description);
f.format("%n");
f.format("Dependencies\t0:%n");
boolean flag = false;
Iterable<RevisionRef> closure = library.getClosure(revision._id, true);
for (RevisionRef dep : closure) {
f.format(
" - %s \t2- %s \t3- %s%n",
dep.name, createCoord(dep), dateFormat.format(new Date(dep.created)));
flag = true;
}
if (!flag) {
f.format(" None%n");
}
f.format("%n");
}
f.flush();
justif.wrap(sb);
return sb.toString();
} finally {
f.close();
}
}
private String createJpmLink(Revision rev) {
return String.format(
"http://jpm4j.org/#!/p/sha/%s//%s", Hex.toHexString(rev._id), rev.baseline);
}
/** Get the file belonging to a Resource Descriptor */
public File getResource(byte[] rd, final RepositoryPlugin.DownloadListener... blockers)
throws Exception {
final ResourceDescriptorImpl rds = getResourceDescriptor(rd);
// No such descriptor?
if (rds == null) {
reporter.trace("no such descriptor %s", Hex.toHexString(rd));
return null;
}
//
// Construct a path
//
final File path =
IO.getFile(cache, Hex.toHexString(rds.id) + "/" + rds.bsn + "-" + rds.version + ".jar");
if (path.isFile()) {
//
// Ok, it is there, just report
//
ok(blockers, path);
return path;
}
//
// Check if we had an earlier failure
//
synchronized (failures) {
Long l = failures.get(rds.url);
if (l != null && (System.currentTimeMillis() - l) < THRESHOLD) {
reporter.trace("descriptor %s, had earlier failure not retrying", Hex.toHexString(rd));
return null;
}
}
//
// Check if we need to download directly, no blockers
//
if (blockers == null || blockers.length == 0) {
reporter.trace("descriptor %s, not found, immediate download", Hex.toHexString(rd));
download(rds, path);
return path;
}
//
// We have blockers so we can download in the background.
//
reporter.trace("descriptor %s, not found, background download", Hex.toHexString(rd));
//
// With download listeners we need to be careful to queue them
// appropriately. Don't want to download n times because
// requests arrive during downloads.
//
synchronized (queues) {
List<DownloadListener> list = queues.get(path);
boolean first = list == null || list.isEmpty();
for (DownloadListener b : blockers) {
queues.add(path, b);
}
if (!first) {
// return, file is being downloaded by another and that
// other will signal the download listener.
reporter.trace("someone else is downloading our file " + queues.get(path));
return path;
}
}
limitDownloads.acquire();
executor.execute(
new Runnable() {
public void run() {
try {
download(rds, path);
synchronized (queues) {
ok(queues.get(path).toArray(EMPTY_LISTENER), path);
}
} catch (Exception e) {
synchronized (queues) {
fail(e, queues.get(path).toArray(EMPTY_LISTENER), path);
}
} finally {
synchronized (queues) {
queues.remove(path);
}
limitDownloads.release();
}
}
});
return path;
}
