private static void doBundle(ResourceImpl resource, Headers headers) {
CapabilityImpl capability = new CapabilityImpl(Capability.BUNDLE);
capability.addProperty(Resource.SYMBOLIC_NAME, getSymbolicName(headers));
if (headers.getHeader(Constants.BUNDLE_NAME) != null) {
capability.addProperty(Resource.PRESENTATION_NAME, headers.getHeader(Constants.BUNDLE_NAME));
}
capability.addProperty(Resource.VERSION, Property.VERSION, getVersion(headers));
capability.addProperty(Resource.MANIFEST_VERSION, getManifestVersion(headers));
resource.addCapability(capability);
}
private static String getSymbolicName(Headers headers) {
String bsn = headers.getHeader(Constants.BUNDLE_SYMBOLICNAME);
if (bsn == null) {
bsn = headers.getHeader(Constants.BUNDLE_NAME);
if (bsn == null) {
bsn = "Untitled-" + headers.hashCode();
}
}
Clause[] clauses = Parser.parseHeader(bsn);
return clauses[0].getName();
}
private static String getManifestVersion(Headers headers) {
String v = headers.getHeader(Constants.BUNDLE_MANIFESTVERSION);
if (v == null) {
v = "1";
}
return v;
}
private static void doExports(ResourceImpl resource, Headers headers) {
Clause[] clauses = Parser.parseHeader(headers.getHeader(Constants.EXPORT_PACKAGE));
for (int i = 0; clauses != null && i < clauses.length; i++) {
CapabilityImpl capability = createCapability(Capability.PACKAGE, clauses[i]);
resource.addCapability(capability);
}
}
private static void doFragment(ResourceImpl resource, Headers headers) {
// Check if we are a fragment
Clause[] clauses = Parser.parseHeader(headers.getHeader(Constants.FRAGMENT_HOST));
if (clauses != null && clauses.length == 1) {
// We are a fragment, create a requirement
// to our host.
RequirementImpl r = new RequirementImpl(Capability.BUNDLE);
StringBuffer sb = new StringBuffer();
sb.append("(&(symbolicname=");
sb.append(clauses[0].getName());
sb.append(")");
appendVersion(
sb,
VersionRange.parseVersionRange(
clauses[0].getAttribute(Constants.BUNDLE_VERSION_ATTRIBUTE)));
sb.append(")");
r.setFilter(sb.toString());
r.addText("Required Host " + clauses[0].getName());
r.setExtend(true);
r.setOptional(false);
r.setMultiple(false);
resource.addRequire(r);
// And insert a capability that we are available
// as a fragment. ### Do we need that with extend?
CapabilityImpl capability = new CapabilityImpl(Capability.FRAGMENT);
capability.addProperty("host", clauses[0].getName());
capability.addProperty("version", Property.VERSION, getVersion(clauses[0]));
resource.addCapability(capability);
}
}
public ResourceImpl createResource(Headers headers) {
String bsn = headers.getHeader(Constants.BUNDLE_SYMBOLICNAME);
if (bsn == null) {
return null;
}
ResourceImpl resource = new ResourceImpl();
populate(headers, resource);
return resource;
}
private static void doImportExportServices(ResourceImpl resource, Headers headers) {
Clause[] imports = Parser.parseHeader(headers.getHeader(Constants.IMPORT_SERVICE));
for (int i = 0; imports != null && i < imports.length; i++) {
RequirementImpl ri = new RequirementImpl(Capability.SERVICE);
ri.setFilter(createServiceFilter(imports[i]));
ri.addText("Import Service " + imports[i].getName());
String avail = imports[i].getDirective("availability");
String mult = imports[i].getDirective("multiple");
ri.setOptional("optional".equalsIgnoreCase(avail));
ri.setMultiple(!"false".equalsIgnoreCase(mult));
resource.addRequire(ri);
}
Clause[] exports = Parser.parseHeader(headers.getHeader(Constants.EXPORT_SERVICE));
for (int i = 0; exports != null && i < exports.length; i++) {
CapabilityImpl cap = createServiceCapability(exports[i]);
resource.addCapability(cap);
}
}
private static void doImports(ResourceImpl resource, Headers headers) {
Clause[] clauses = Parser.parseHeader(headers.getHeader(Constants.IMPORT_PACKAGE));
for (int i = 0; clauses != null && i < clauses.length; i++) {
RequirementImpl requirement = new RequirementImpl(Capability.PACKAGE);
createImportFilter(requirement, Capability.PACKAGE, clauses[i]);
requirement.addText("Import package " + clauses[i]);
requirement.setOptional(
Constants.RESOLUTION_OPTIONAL.equalsIgnoreCase(
clauses[i].getDirective(Constants.RESOLUTION_DIRECTIVE)));
resource.addRequire(requirement);
}
}
private static void doExecutionEnvironment(ResourceImpl resource, Headers headers) {
Clause[] clauses =
Parser.parseHeader(headers.getHeader(Constants.BUNDLE_REQUIREDEXECUTIONENVIRONMENT));
if (clauses != null && clauses.length > 0) {
StringBuffer sb = new StringBuffer();
sb.append("(|");
for (int i = 0; i < clauses.length; i++) {
sb.append("(");
sb.append(Capability.EXECUTIONENVIRONMENT);
sb.append("=");
sb.append(clauses[i].getName());
sb.append(")");
}
sb.append(")");
RequirementImpl req = new RequirementImpl(Capability.EXECUTIONENVIRONMENT);
req.setFilter(sb.toString());
req.addText("Execution Environment " + sb.toString());
resource.addRequire(req);
}
}
private static void doRequires(ResourceImpl resource, Headers headers) {
Clause[] clauses = Parser.parseHeader(headers.getHeader(Constants.REQUIRE_BUNDLE));
for (int i = 0; clauses != null && i < clauses.length; i++) {
RequirementImpl r = new RequirementImpl(Capability.BUNDLE);
VersionRange v =
VersionRange.parseVersionRange(
clauses[i].getAttribute(Constants.BUNDLE_VERSION_ATTRIBUTE));
StringBuffer sb = new StringBuffer();
sb.append("(&(symbolicname=");
sb.append(clauses[i].getName());
sb.append(")");
appendVersion(sb, v);
sb.append(")");
r.setFilter(sb.toString());
r.addText("Require Bundle " + clauses[i].getName() + "; " + v);
r.setOptional(
Constants.RESOLUTION_OPTIONAL.equalsIgnoreCase(
clauses[i].getDirective(Constants.RESOLUTION_DIRECTIVE)));
resource.addRequire(r);
}
}
private static String getVersion(Headers headers) {
String v = headers.getHeader(Constants.BUNDLE_VERSION);
return VersionCleaner.clean(v);
}
private static void doCategories(ResourceImpl resource, Headers headers) {
Clause[] clauses = Parser.parseHeader(headers.getHeader(Constants.BUNDLE_CATEGORY));
for (int i = 0; clauses != null && i < clauses.length; i++) {
resource.addCategory(clauses[i].getName());
}
}
static void populate(Headers headers, ResourceImpl resource) {
String bsn = getSymbolicName(headers);
String v = getVersion(headers);
resource.put(Resource.ID, bsn + "/" + v);
resource.put(Resource.SYMBOLIC_NAME, bsn);
resource.put(Resource.VERSION, v);
if (headers.getHeader(Constants.BUNDLE_NAME) != null) {
resource.put(Resource.PRESENTATION_NAME, headers.getHeader(Constants.BUNDLE_NAME));
}
if (headers.getHeader(Constants.BUNDLE_DESCRIPTION) != null) {
resource.put(Resource.DESCRIPTION, headers.getHeader(Constants.BUNDLE_DESCRIPTION));
}
if (headers.getHeader(BUNDLE_LICENSE) != null) {
resource.put(Resource.LICENSE_URI, headers.getHeader(BUNDLE_LICENSE));
}
if (headers.getHeader(Constants.BUNDLE_COPYRIGHT) != null) {
resource.put(Resource.COPYRIGHT, headers.getHeader(Constants.BUNDLE_COPYRIGHT));
}
if (headers.getHeader(Constants.BUNDLE_DOCURL) != null) {
resource.put(Resource.DOCUMENTATION_URI, headers.getHeader(Constants.BUNDLE_DOCURL));
}
if (headers.getHeader(BUNDLE_SOURCE) != null) {
resource.put(Resource.SOURCE_URI, headers.getHeader(BUNDLE_SOURCE));
}
doCategories(resource, headers);
doBundle(resource, headers);
doImportExportServices(resource, headers);
doFragment(resource, headers);
doRequires(resource, headers);
doExports(resource, headers);
doImports(resource, headers);
doExecutionEnvironment(resource, headers);
}
