final void addExportedProvidersFor(
String symbolicName, String packageName, ArrayList result, KeyedHashSet visited) {
if (!visited.add(bundle)) return;
// See if we locally provide the package.
PackageSource local = null;
if (isExportedPackage(packageName)) local = proxy.getPackageSource(packageName);
else if (isSubstitutedExport(packageName)) {
result.add(findImportedSource(packageName, visited));
return; // should not continue to required bundles in this case
}
// Must search required bundles that are exported first.
if (requiredBundles != null) {
int size = reexportTable == null ? 0 : reexportTable.length;
int reexportIndex = 0;
for (int i = 0; i < requiredBundles.length; i++) {
if (local != null) {
// always add required bundles first if we locally provide the package
// This allows a bundle to provide a package from a required bundle without
// re-exporting the whole required bundle.
requiredBundles[i]
.getBundleLoader()
.addExportedProvidersFor(symbolicName, packageName, result, visited);
} else if (reexportIndex < size && reexportTable[reexportIndex] == i) {
reexportIndex++;
requiredBundles[i]
.getBundleLoader()
.addExportedProvidersFor(symbolicName, packageName, result, visited);
}
}
}
// now add the locally provided package.
if (local != null && local.isFriend(symbolicName)) result.add(local);
}
/**
* Adds a list of DynamicImport-Package manifest elements to the dynamic import tables of this
* BundleLoader. Duplicate packages are checked and not added again.
*
* @param packages the DynamicImport-Package elements to add.
*/
public final synchronized void addDynamicImportPackage(ManifestElement[] packages) {
if (packages == null) return;
ArrayList dynamicImports = new ArrayList(packages.length);
for (int i = 0; i < packages.length; i++) dynamicImports.add(packages[i].getValue());
if (dynamicImports.size() > 0)
addDynamicImportPackage((String[]) dynamicImports.toArray(new String[dynamicImports.size()]));
}
/**
* Adds a list of DynamicImport-Package manifest elements to the dynamic import tables of this
* BundleLoader. Duplicate packages are checked and not added again. This method is not thread
* safe. Callers should ensure synchronization when calling this method.
*
* @param packages the DynamicImport-Package elements to add.
*/
private void addDynamicImportPackage(String[] packages) {
if (packages == null) return;
loaderFlags |= FLAG_HASDYNAMICIMPORTS;
int size = packages.length;
ArrayList stems;
if (dynamicImportPackageStems == null) {
stems = new ArrayList(size);
} else {
stems = new ArrayList(size + dynamicImportPackageStems.length);
for (int i = 0; i < dynamicImportPackageStems.length; i++) {
stems.add(dynamicImportPackageStems[i]);
}
}
ArrayList names;
if (dynamicImportPackages == null) {
names = new ArrayList(size);
} else {
names = new ArrayList(size + dynamicImportPackages.length);
for (int i = 0; i < dynamicImportPackages.length; i++) {
names.add(dynamicImportPackages[i]);
}
}
for (int i = 0; i < size; i++) {
String name = packages[i];
if (isDynamicallyImported(name)) continue;
if (name.equals("*")) {
/* shortcut */
//$NON-NLS-1$
loaderFlags |= FLAG_HASDYNAMICEIMPORTALL;
return;
}
if (name.endsWith(".*")) // $NON-NLS-1$
stems.add(name.substring(0, name.length() - 1));
else names.add(name);
}
size = stems.size();
if (size > 0) dynamicImportPackageStems = (String[]) stems.toArray(new String[size]);
size = names.size();
if (size > 0) dynamicImportPackages = (String[]) names.toArray(new String[size]);
}
private void addDynamicImportPackage(ImportPackageSpecification[] packages) {
if (packages == null) return;
ArrayList dynamicImports = new ArrayList(packages.length);
for (int i = 0; i < packages.length; i++)
if (ImportPackageSpecification.RESOLUTION_DYNAMIC.equals(
packages[i].getDirective(Constants.RESOLUTION_DIRECTIVE)))
dynamicImports.add(packages[i].getName());
if (dynamicImports.size() > 0)
addDynamicImportPackage((String[]) dynamicImports.toArray(new String[dynamicImports.size()]));
}
private static PackageSource createMultiSource(String packageName, PackageSource[] sources) {
if (sources.length == 1) return sources[0];
ArrayList sourceList = new ArrayList(sources.length);
for (int i = 0; i < sources.length; i++) {
SingleSourcePackage[] innerSources = sources[i].getSuppliers();
for (int j = 0; j < innerSources.length; j++)
if (!sourceList.contains(innerSources[j])) sourceList.add(innerSources[j]);
}
return new MultiSourcePackage(
packageName,
(SingleSourcePackage[]) sourceList.toArray(new SingleSourcePackage[sourceList.size()]));
}