--- /dev/null
+package org.argeo.api.a2;
+
+import java.io.IOException;
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.SortedMap;
+import java.util.StringJoiner;
+import java.util.TreeMap;
+
+import org.osgi.framework.Version;
+
+/** A file system {@link AbstractProvisioningSource} in A2 format. */
+public class FsA2Source extends AbstractProvisioningSource implements A2Source {
+ private final static Logger logger = System.getLogger(FsA2Source.class.getName());
+
+ private final Path base;
+ private final Map<String, String> variantsXOr;
+
+ private final List<String> includes;
+ private final List<String> excludes;
+
+ public FsA2Source(Path base, Map<String, String> variantsXOr, boolean usingReference, List<String> includes,
+ List<String> excludes) {
+ super(usingReference);
+ this.base = base;
+ this.variantsXOr = new HashMap<>(variantsXOr);
+ this.includes = includes;
+ this.excludes = excludes;
+ }
+
+ void load() throws IOException {
+ SortedMap<Path, A2Contribution> contributions = new TreeMap<>();
+
+ DirectoryStream<Path> contributionPaths = Files.newDirectoryStream(base);
+ contributions: for (Path contributionPath : contributionPaths) {
+ if (Files.isDirectory(contributionPath)) {
+ String contributionId = contributionPath.getFileName().toString();
+ if (A2Contribution.BOOT.equals(contributionId))// skip boot
+ continue contributions;
+ if (contributionId.contains(".")) {
+ A2Contribution contribution = getOrAddContribution(contributionId);
+ contributions.put(contributionPath, contribution);
+ } else {// variants
+ Path variantPath = null;
+ // is it an explicit variant?
+ String variant = variantsXOr.get(contributionPath.getFileName().toString());
+ if (variant != null) {
+ variantPath = contributionPath.resolve(variant);
+ }
+
+ // is there a default variant?
+ if (variantPath == null) {
+ Path defaultPath = contributionPath.resolve(A2Contribution.DEFAULT);
+ if (Files.exists(defaultPath)) {
+ variantPath = defaultPath;
+ }
+ }
+
+ if (variantPath == null)
+ continue contributions;
+
+ // a variant was found, let's collect its contributions (also common ones in its
+ // parent)
+ if (Files.exists(variantPath.getParent())) {
+ for (Path variantContributionPath : Files.newDirectoryStream(variantPath.getParent())) {
+ String variantContributionId = variantContributionPath.getFileName().toString();
+ if (variantContributionId.contains(".")) {
+ A2Contribution contribution = getOrAddContribution(variantContributionId);
+ contributions.put(variantContributionPath, contribution);
+ }
+ }
+ }
+ if (Files.exists(variantPath)) {
+ for (Path variantContributionPath : Files.newDirectoryStream(variantPath)) {
+ String variantContributionId = variantContributionPath.getFileName().toString();
+ if (variantContributionId.contains(".")) {
+ A2Contribution contribution = getOrAddContribution(variantContributionId);
+ contributions.put(variantContributionPath, contribution);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ contributions: for (Path contributionPath : contributions.keySet()) {
+ String contributionId = contributionPath.getFileName().toString();
+ if (includes != null && !includes.contains(contributionId))
+ continue contributions;
+ if (excludes != null && excludes.contains(contributionId))
+ continue contributions;
+ A2Contribution contribution = getOrAddContribution(contributionId);
+ DirectoryStream<Path> modulePaths = Files.newDirectoryStream(contributionPath);
+ modules: for (Path modulePath : modulePaths) {
+ if (!Files.isDirectory(modulePath)) {
+ // OsgiBootUtils.debug("Registering " + modulePath);
+ String moduleFileName = modulePath.getFileName().toString();
+ int lastDot = moduleFileName.lastIndexOf('.');
+ String ext = moduleFileName.substring(lastDot + 1);
+ if (!"jar".equals(ext))
+ continue modules;
+ Version version;
+ // TODO optimise? check attributes?
+ String[] nameVersion = readNameVersionFromModule(modulePath);
+ String componentName = nameVersion[0];
+ String versionStr = nameVersion[1];
+ if (versionStr != null) {
+ version = new Version(versionStr);
+ } else {
+ logger.log(Level.TRACE, () -> "Ignore " + modulePath + " since version cannot be found");
+ continue modules;
+ }
+// }
+ A2Component component = contribution.getOrAddComponent(componentName);
+ A2Module module = component.getOrAddModule(version, modulePath);
+ logger.log(Level.TRACE, () -> "Registered " + module);
+ }
+ }
+ }
+
+ }
+
+ @Override
+ public URI getUri() {
+ URI baseUri = base.toUri();
+ try {
+ if (baseUri.getScheme().equals("file")) {
+ String queryPart = "";
+ if (!getVariantsXOr().isEmpty()) {
+ StringJoiner sj = new StringJoiner("&");
+ for (String key : getVariantsXOr().keySet()) {
+ sj.add(key + "=" + getVariantsXOr().get(key));
+ }
+ queryPart = sj.toString();
+ }
+ return new URI(isUsingReference() ? SCHEME_A2_REFERENCE : SCHEME_A2, null, base.toString(), queryPart,
+ null);
+ } else {
+ throw new UnsupportedOperationException("Unsupported scheme " + baseUri.getScheme());
+ }
+ } catch (URISyntaxException e) {
+ throw new IllegalStateException("Cannot build URI from " + baseUri, e);
+ }
+ }
+
+ protected Map<String, String> getVariantsXOr() {
+ return variantsXOr;
+ }
+
+// public static void main(String[] args) {
+// if (args.length == 0)
+// throw new IllegalArgumentException("Usage: <path to A2 base>");
+// try {
+// Map<String, String> xOr = new HashMap<>();
+// xOr.put("osgi", "equinox");
+// xOr.put("swt", "rap");
+// FsA2Source context = new FsA2Source(Paths.get(args[0]), xOr);
+// context.load();
+// context.asTree();
+// } catch (Exception e) {
+// e.printStackTrace();
+// }
+// }
+
+}
projects / lgpl / argeo-commons.git / blobdiff