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*/
@Description("Print out the packages from spec jars and check in which ees they appear. Very specific. For example, schema ee.j2se-1.6.0 ee.j2se-1.5.0 ee.j2ee-1.4.0")
interface schemaOptions extends Options {
@Description("Output file")
String output(String deflt);
@Description("Specify an XSL file for pretty printing")
String xsl();
}
class PSpec implements Comparable {
String packageName;
Version version;
int id;
public Attrs attrs;
public Tree tree;
public Attrs uses = new Attrs();
public int compareTo(PSpec o) {
return version.compareTo(o.version);
}
}
/**
* Create a schema of a set of jars outling the packages and their versions.
* This will create a list of packages with multiple versions, link to their
* specifications, and the deltas between versions.
*
*
* bnd package schema *
*
*
* @param opts
* @throws Exception
*/
public void _schema(schemaOptions opts) throws Exception {
MultiMap map = new MultiMap();
Tag top = new Tag("jschema");
int n = 1000;
for (String spec : opts._()) {
File f = bnd.getFile(spec);
if (!f.isFile()) {
bnd.messages.NoSuchFile_(f);
} else {
// For each specification jar we found
bnd.trace("spec %s", f);
Jar jar = new Jar(f); // spec
Manifest m = jar.getManifest();
Attributes main = m.getMainAttributes();
Tag specTag = new Tag(top, "specification");
specTag.addAttribute("jar", spec);
specTag.addAttribute("name", main.getValue("Specification-Name"));
specTag.addAttribute("title", main.getValue("Specification-Title"));
specTag.addAttribute("jsr", main.getValue("Specification-JSR"));
specTag.addAttribute("url", main.getValue("Specification-URL"));
specTag.addAttribute("version", main.getValue("Specification-Version"));
specTag.addAttribute("vendor", main.getValue("Specification-Vendor"));
specTag.addAttribute("id", n);
specTag.addContent(main.getValue(Constants.BUNDLE_DESCRIPTION));
Parameters exports = OSGiHeader.parseHeader(m.getMainAttributes().getValue(Constants.EXPORT_PACKAGE));
// Create a map with versions. Ensure import ranges overwrite
// the
// exported versions
Parameters versions = new Parameters();
versions.putAll(exports);
versions.putAll(OSGiHeader.parseHeader(m.getMainAttributes().getValue(Constants.IMPORT_PACKAGE)));
Analyzer analyzer = new Analyzer();
analyzer.setJar(jar);
analyzer.analyze();
Tree tree = differ.tree(analyzer);
for (Entry entry : exports.entrySet()) {
// For each exported package in the specification JAR
Attrs attrs = entry.getValue();
String packageName = entry.getKey();
PackageRef packageRef = analyzer.getPackageRef(packageName);
String version = attrs.get(Constants.VERSION_ATTRIBUTE);
PSpec pspec = new PSpec();
pspec.packageName = packageName;
pspec.version = new Version(version);
pspec.id = n;
pspec.attrs = attrs;
pspec.tree = tree;
Collection uses = analyzer.getUses().get(packageRef);
if (uses != null) {
for (PackageRef x : uses) {
if (x.isJava())
continue;
String imp = x.getFQN();
if (imp.equals(packageName))
continue;
String v = null;
if (versions.containsKey(imp))
v = versions.get(imp).get(Constants.VERSION_ATTRIBUTE);
pspec.uses.put(imp, v);
}
}
map.add(packageName, pspec);
}
jar.close();
n++;
}
}
// We now gather all the information about all packages in the map.
// Next phase is generating the XML. Sorting the packages is
// important because XSLT is brain dead.
SortedList names = new SortedList(map.keySet());
Tag packagesTag = new Tag(top, "packages");
Tag baselineTag = new Tag(top, "baseline");
for (String pname : names) {
// For each distinct package name
SortedList specs = new SortedList(map.get(pname));
PSpec older = null;
Parameters olderExport = null;
for (PSpec newer : specs) {
// For each package in the total set
Tag pack = new Tag(packagesTag, "package");
pack.addAttribute("name", newer.packageName);
pack.addAttribute("version", newer.version);
pack.addAttribute("spec", newer.id);
Parameters newerExport = new Parameters();
newerExport.put(pname, newer.attrs);
if (older != null) {
String compareId = newer.packageName + "-" + newer.id + "-" + older.id;
pack.addAttribute("delta", compareId);
bnd.trace(" newer=%s older=%s", newerExport, olderExport);
Set infos = baseline.baseline(newer.tree, newerExport, older.tree, olderExport,
new Instructions(pname));
for (Info info : infos) {
Tag tag = getTag(info);
tag.addAttribute("id", compareId);
tag.addAttribute("newerSpec", newer.id);
tag.addAttribute("olderSpec", older.id);
baselineTag.addContent(tag);
}
older.tree = null;
older.attrs = null;
older = newer;
}
//
// XRef, show the used packages for this package
//
for (Entry uses : newer.uses.entrySet()) {
Tag reference = new Tag(pack, "import");
reference.addAttribute("name", uses.getKey());
reference.addAttribute("version", uses.getValue());
}
older = newer;
olderExport = newerExport;
}
}
String o = opts.output("schema.xml");
File of = bnd.getFile(o);
File pof = of.getParentFile();
if (!pof.exists() && !pof.mkdirs()) {
throw new IOException("Could not create directory " + pof);
}
OutputStreamWriter fw = new OutputStreamWriter(new FileOutputStream(of), "UTF-8");
try {
PrintWriter pw = new PrintWriter(fw);
try {
pw.println("");
top.print(0, pw);
}
finally {
pw.close();
}
}
finally {
fw.close();
}
if (opts.xsl() != null) {
URL home = bnd.getBase().toURI().toURL();
URL xslt = new URL(home, opts.xsl());
String path = of.getAbsolutePath();
if (path.endsWith(".xml"))
path = path.substring(0, path.length() - 4);
path = path + ".html";
File html = new File(path);
bnd.trace("xslt %s %s %s %s", xslt, of, html, html.exists());
FileOutputStream out = new FileOutputStream(html);
try {
Transformer transformer = transformerFactory.newTransformer(new StreamSource(xslt.openStream()));
transformer.transform(new StreamSource(of), new StreamResult(out));
}
finally {
out.close();
}
}
}
private Tag getTag(Info info) {
Tag tag = new Tag("info");
tag.addAttribute("name", info.packageName);
tag.addAttribute("newerVersion", info.newerVersion);
tag.addAttribute("olderVersion", info.olderVersion);
tag.addAttribute("suggestedVersion", info.suggestedVersion);
tag.addAttribute("suggestedIfProviders", info.suggestedIfProviders);
tag.addAttribute("mismatch", info.mismatch);
tag.addAttribute("warning", info.warning);
StringBuilder sb = new StringBuilder();
if (info.packageDiff.getDelta() == Delta.UNCHANGED)
tag.addAttribute("equals", "true");
else {
traverseTag(sb, info.packageDiff, "");
String s = sb.toString().trim();
if (s.length() != 0) {
Tag d = new Tag(tag, "diff", s);
d.setCDATA();
}
}
if (info.providers != null)
for (String provider : info.providers) {
Tag p = new Tag(tag, "provider");
p.addAttribute("provider", provider);
}
return tag;
}
private void traverseTag(StringBuilder sb, Diff diff, String indent) {
sb.append(indent);
sb.append(diff.toString().trim().replace('\n', ' '));
sb.append("\n");
if (diff.getDelta() == Delta.ADDED || diff.getDelta() == Delta.REMOVED)
return;
for (Diff child : diff.getChildren()) {
if (child.getDelta() != Delta.UNCHANGED && child.getDelta() != Delta.IGNORED)
traverseTag(sb, child, indent + " ");
}
}
/**
* @param exports
* @param out
* @throws IOException
*/
public void doExportPackage(Info[] infos, PrintStream out) throws IOException {
out.printf("# Suggested versions\n%-40s = ", Constants.EXPORT_PACKAGE);
String del = "";
for (Info info : infos) {
out.append(del);
out.printf("\\\n ");
out.append(info.packageName);
info.attributes.put(Constants.VERSION_ATTRIBUTE, info.suggestedVersion.toString());
for (Map.Entry clause : info.attributes.entrySet()) {
if (clause.getKey().equals(Constants.USES_DIRECTIVE))
continue;
out.append(";\\\n ");
out.append(clause.getKey());
out.append("=");
Processor.quote(out, clause.getValue());
}
if (info.providers != null && !info.providers.isEmpty()) {
out.append(";\\\n " + Constants.PROVIDER_TYPE_DIRECTIVE + "=\"");
String del2 = "";
for (String part : info.providers) {
out.append(del2);
out.append("\\\n ");
out.append(part);
del2 = ",";
}
out.append("\"");
}
del = ",";
}
}
}
