private static Set<String> findStandardMBeansFromJar(URL codeBase) throws Exception {
InputStream is = codeBase.openStream();
JarInputStream jis = new JarInputStream(is);
Set<String> names = new TreeSet<String>();
JarEntry entry;
while ((entry = jis.getNextJarEntry()) != null) {
String name = entry.getName();
if (!name.endsWith(".class")) continue;
name = name.substring(0, name.length() - 6);
name = name.replace('/', '.');
names.add(name);
}
return names;
}
String openUrlAsString(String address, int maxLines) {
StringBuffer sb;
try {
URL url = new URL(address);
InputStream in = url.openStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
sb = new StringBuffer();
int count = 0;
String line;
while ((line = br.readLine()) != null && count++ < maxLines) sb.append(line + "\n");
in.close();
} catch (IOException e) {
sb = null;
}
return sb != null ? new String(sb) : null;
}
String[] openUrlAsList(String address) {
Vector v = new Vector();
try {
URL url = new URL(address);
InputStream in = url.openStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String line;
while (true) {
line = br.readLine();
if (line == null) break;
if (!line.equals("")) v.addElement(line);
}
br.close();
} catch (Exception e) {
}
String[] lines = new String[v.size()];
v.copyInto((String[]) lines);
return lines;
}
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();
}
}