package aQute.bnd.build;
import java.io.*;
import java.util.*;
import java.util.Map.Entry;
import java.util.regex.*;
import aQute.bnd.differ.*;
import aQute.bnd.differ.Baseline.Info;
import aQute.bnd.header.*;
import aQute.bnd.osgi.*;
import aQute.bnd.service.*;
import aQute.bnd.service.repository.*;
import aQute.bnd.service.repository.SearchableRepository.ResourceDescriptor;
import aQute.bnd.version.*;
import aQute.lib.collections.*;
import aQute.lib.io.*;
public class ProjectBuilder extends Builder {
private final DiffPluginImpl differ = new DiffPluginImpl();
Project project;
boolean initialized;
public ProjectBuilder(Project project) {
super(project);
this.project = project;
}
public ProjectBuilder(ProjectBuilder builder) {
super(builder);
this.project = builder.project;
}
@Override
public long lastModified() {
return Math.max(project.lastModified(), super.lastModified());
}
/**
* We put our project and our workspace on the macro path.
*/
@Override
protected Object[] getMacroDomains() {
return new Object[] {
project, project.getWorkspace()
};
}
@Override
public Builder getSubBuilder() throws Exception {
return project.getBuilder(this);
}
public Project getProject() {
return project;
}
@Override
public void init() {
try {
if (!initialized) {
initialized = true;
for (Container file : project.getClasspath()) {
addClasspath(file.getFile());
}
for (Container file : project.getBuildpath()) {
addClasspath(file.getFile());
}
for (Container file : project.getBootclasspath()) {
addClasspath(file.getFile());
}
for (File file : project.getAllsourcepath()) {
addSourcepath(file);
}
}
}
catch (Exception e) {
msgs.Unexpected_Error_("ProjectBuilder init", e);
}
}
@Override
public List<Jar> getClasspath() {
init();
return super.getClasspath();
}
@Override
protected void changedFile(File f) {
project.getWorkspace().changedFile(f);
}
/**
* Compare this builder's JAR with a baseline
*
* @throws Exception
*/
@Override
public void doBaseline(Jar dot) throws Exception {
String diffignore = project.getProperty(Constants.DIFFIGNORE);
trace("ignore headers %s", diffignore);
differ.setIgnore(diffignore);
Jar fromRepo = getBaselineJar();
if (fromRepo == null) {
trace("No baseline jar %s", getProperty(Constants.BASELINE));
return;
}
Version newer = new Version(getVersion());
Version older = new Version(fromRepo.getVersion());
if (!getBsn().equals(fromRepo.getBsn())) {
error("The symbolic name of this project (%s) is not the same as the baseline: %s", getBsn(),
fromRepo.getBsn());
return;
}
//
// Check if we want to overwrite an equal version that is not staging
//
if (newer.getWithoutQualifier().equals(older.getWithoutQualifier())) {
RepositoryPlugin rr = getBaselineRepo();
if (rr instanceof InfoRepository) {
ResourceDescriptor descriptor = ((InfoRepository) rr).getDescriptor(getBsn(), older);
if (descriptor != null && descriptor.phase != Phase.STAGING) {
error("Baselining %s against same version %s but the repository says the older repository version is not the required %s but is instead %s",
getBsn(), getVersion(), Phase.STAGING, descriptor.phase);
return;
}
}
}
trace("baseline %s-%s against: %s", getBsn(), getVersion(), fromRepo.getName());
try {
Baseline baseliner = new Baseline(this, differ);
Set<Info> infos = baseliner.baseline(dot, fromRepo, null);
if (infos.isEmpty())
trace("no deltas");
for (Info info : infos) {
if (info.mismatch) {
SetLocation l = error(
"Baseline mismatch for package %s, %s change. Current is %s, repo is %s, suggest %s or %s\n",
info.packageName, info.packageDiff.getDelta(), info.newerVersion, info.olderVersion,
info.suggestedVersion, info.suggestedIfProviders == null ? "-" : info.suggestedIfProviders);
l.header(Constants.BASELINE);
fillInLocationForPackageInfo(l.location(), info.packageName);
if (getPropertiesFile() != null)
l.file(getPropertiesFile().getAbsolutePath());
l.details(info);
}
}
aQute.bnd.differ.Baseline.BundleInfo binfo = baseliner.getBundleInfo();
if (binfo.mismatch) {
SetLocation error = error("The bundle version %s is too low, must be at least %s", binfo.version,
binfo.suggestedVersion);
error.context("Baselining");
error.header(Constants.BUNDLE_VERSION);
error.details(binfo);
FileLine fl = getHeader(Pattern.compile("^" + Constants.BUNDLE_VERSION, Pattern.MULTILINE));
if (fl != null) {
error.file(fl.file.getAbsolutePath());
error.line(fl.line);
error.length(fl.length);
}
}
}
finally {
fromRepo.close();
}
}
// *
public void fillInLocationForPackageInfo(Location location, String packageName) throws Exception {
Parameters eps = getExportPackage();
Attrs attrs = eps.get(packageName);
FileLine fl;
if (attrs != null && attrs.containsKey(Constants.VERSION_ATTRIBUTE)) {
fl = getHeader(Pattern.compile(Constants.EXPORT_PACKAGE, Pattern.CASE_INSENSITIVE));
if (fl != null) {
location.file = fl.file.getAbsolutePath();
location.line = fl.line;
location.length = fl.length;
return;
}
}
Parameters ecs = getExportContents();
attrs = ecs.get(packageName);
if (attrs != null && attrs.containsKey(Constants.VERSION_ATTRIBUTE)) {
fl = getHeader(Pattern.compile(Constants.EXPORT_CONTENTS, Pattern.CASE_INSENSITIVE));
if (fl != null) {
location.file = fl.file.getAbsolutePath();
location.line = fl.line;
location.length = fl.length;
return;
}
}
for (File src : project.getSourcePath()) {
String path = packageName.replace('.', '/');
File packageDir = IO.getFile(src, path);
File pi = IO.getFile(packageDir, "package-info.java");
if (pi.isFile()) {
fl = findHeader(pi, Pattern.compile("@Version\\s*([^)]+)"));
if (fl != null) {
location.file = fl.file.getAbsolutePath();
location.line = fl.line;
location.length = fl.length;
return;
}
}
pi = IO.getFile(packageDir, "packageinfo");
if (pi.isFile()) {
fl = findHeader(pi, Pattern.compile("^\\s*version.*$"));
if (fl != null) {
location.file = fl.file.getAbsolutePath();
location.line = fl.line;
location.length = fl.length;
return;
}
}
}
}
public Jar getLastRevision() throws Exception {
RepositoryPlugin releaseRepo = getReleaseRepo();
SortedSet<Version> versions = releaseRepo.versions(getBsn());
if (versions.isEmpty())
return null;
Jar jar = new Jar(releaseRepo.get(getBsn(), versions.last(), null));
addClose(jar);
return jar;
}
/**
* This method attempts to find the baseline jar for the current project. It
* reads the -baseline property and treats it as instructions. These
* instructions are matched against the bsns of the jars (think sub
* builders!). If they match, the sub builder is selected.
* <p>
* The instruction can then specify the following options:
*
* <pre>
* version : baseline version from repository
* file : a file path
* </pre>
*
* If neither is specified, the current version is used to find the highest
* version (without qualifier) that is below the current version. If a
* version is specified, we take the highest version with the same base
* version.
* <p>
* Since baselining is expensive and easily generates errors you must enable
* it. The easiest solution is to {@code -baseline: *}. This will match all
* sub builders and will calculate the version.
*
* @return a Jar or null
*/
public Jar getBaselineJar() throws Exception {
String bl = getProperty(Constants.BASELINE);
if (bl == null || Constants.NONE.equals(bl))
return null;
Instructions baselines = new Instructions(getProperty(Constants.BASELINE));
if (baselines.isEmpty())
return null; // no baselining
RepositoryPlugin repo = getBaselineRepo();
if (repo == null)
return null; // errors reported already
String bsn = getBsn();
Version version = new Version(getVersion());
SortedSet<Version> versions = removeStagedAndFilter(repo.versions(bsn), repo, bsn);
if (versions.isEmpty()) {
// We have a repo
Version v = new Version(getVersion());
if (v.getWithoutQualifier().compareTo(Version.ONE) > 0) {
warning("There is no baseline for %s in the baseline repo %s. The build is for version %s, which is <= 1.0.0 which suggests that there should be a prior version.",
getBsn(), repo, v);
}
return null;
}
//
// Loop over the instructions, first match commits.
//
for (Entry<Instruction,Attrs> e : baselines.entrySet()) {
if (e.getKey().matches(bsn)) {
Attrs attrs = e.getValue();
Version target;
if (attrs.containsKey("version")) {
// Specified version!
String v = attrs.get("version");
if (!Verifier.isVersion(v)) {
error("Not a valid version in %s %s", Constants.BASELINE, v);
return null;
}
Version base = new Version(v);
SortedSet<Version> later = versions.tailSet(base);
if (later.isEmpty()) {
error("For baselineing %s-%s, specified version %s not found", bsn, version, base);
return null;
}
// First element is equal or next to the base we desire
target = later.first();
// Now, we could end up with a higher version than our
// current
// project
} else if (attrs.containsKey("file")) {
// Can be useful to specify a file
// for example when copying a bundle with a public api
File f = getProject().getFile(attrs.get("file"));
if (f != null && f.isFile()) {
Jar jar = new Jar(f);
addClose(jar);
return jar;
}
error("Specified file for baseline but could not find it %s", f);
return null;
} else {
target = versions.last();
}
// Fetch the revision
if (target.getWithoutQualifier().compareTo(version.getWithoutQualifier()) > 0) {
error("The baseline version %s is higher than the current version %s for %s in %s", target,
version, bsn, repo);
return null;
}
if (target.getWithoutQualifier().compareTo(version.getWithoutQualifier()) == 0) {
if (isPedantic()) {
warning("Baselining against jar");
}
}
File file = repo.get(bsn, target, attrs);
if (file == null || !file.isFile()) {
error("Decided on version %s-%s but cannot get file from repo %s", bsn, version, repo);
return null;
}
Jar jar = new Jar(file);
addClose(jar);
return jar;
}
}
// Ignore, nothing matched
return null;
}
/**
* Remove any staging versions that have a variant with a higher qualifier.
*
* @param versions
* @param repo
* @return
* @throws Exception
*/
private SortedSet<Version> removeStagedAndFilter(SortedSet<Version> versions, RepositoryPlugin repo, String bsn)
throws Exception {
List<Version> filtered = new ArrayList<Version>(versions);
Collections.reverse(filtered);
InfoRepository ir = (repo instanceof InfoRepository) ? (InfoRepository) repo : null;
//
// Filter any versions that only differ in qualifier
// The last variable is the last one added. Since we are
// sorted from high to low, we skip any earlier base versions
//
Version last = null;
for (Iterator<Version> i = filtered.iterator(); i.hasNext();) {
Version v = i.next();
// Check if same base version as last
Version current = v.getWithoutQualifier();
if (last != null && current.equals(last)) {
i.remove();
continue;
}
//
// Check if this is not a master if the repo
// has a state for each resource
// /
if (ir != null && !isMaster(ir, bsn, v))
i.remove();
last = current;
}
SortedList<Version> set = new SortedList<Version>(filtered);
trace("filtered for only latest staged: %s from %s in range ", set, versions);
return set;
}
/**
* Check if we have a master phase.
*
* @param repo
* @param bsn
* @param v
* @return
* @throws Exception
*/
private boolean isMaster(InfoRepository repo, String bsn, Version v) throws Exception {
ResourceDescriptor descriptor = repo.getDescriptor(bsn, v);
if (descriptor == null)
return false;
return descriptor.phase == Phase.MASTER;
}
private RepositoryPlugin getReleaseRepo() {
String repoName = getProperty(Constants.RELEASEREPO);
List<RepositoryPlugin> repos = getPlugins(RepositoryPlugin.class);
for (RepositoryPlugin r : repos) {
if (r.canWrite()) {
if (repoName == null || r.getName().equals(repoName)) {
return r;
}
}
}
if (repoName == null)
error("Could not find a writable repo for the release repo (-releaserepo is not set)");
else
error("No such -releaserepo %s found", repoName);
return null;
}
private RepositoryPlugin getBaselineRepo() {
String repoName = getProperty(Constants.BASELINEREPO);
if (repoName == null)
return getReleaseRepo();
List<RepositoryPlugin> repos = getPlugins(RepositoryPlugin.class);
for (RepositoryPlugin r : repos) {
if (r.getName().equals(repoName))
return r;
}
error("Could not find -baselinerepo %s", repoName);
return null;
}
/**
* Create a report of the settings
* @throws Exception
*/
public void report(Map<String,Object> table) throws Exception {
super.report(table);
table.put("Baseline repo", getBaselineRepo());
table.put("Release repo", getReleaseRepo());
}
public String toString() {
return getBsn();
}
}