/**
* Build the table of plug-in dependencies. Iterate over all the plug-ins in the plug-in registry
* and the cycle through the list of pre-requisites and create the parent/child relationships in
* the nodes.
*/
private Map getDependencyGraph() {
if (dependencyGraph != null) return dependencyGraph;
// Build up the dependency graph (see PluginDependencyGraphNode) so
// we have the information readily available for any plug-in.
State state = Platform.getPlatformAdmin().getState(false);
BundleDescription[] plugins = state.getBundles();
dependencyGraph = new HashMap();
for (int i = 0; i < plugins.length; i++) {
BundleDescription descriptor = plugins[i];
PluginDependencyGraphNode node =
(PluginDependencyGraphNode) dependencyGraph.get(new Long(descriptor.getBundleId()));
if (node == null) {
node = new PluginDependencyGraphNode(descriptor);
dependencyGraph.put(new Long(descriptor.getBundleId()), node);
}
// Cycle through the prerequisites
BundleSpecification[] requires = descriptor.getRequiredBundles();
for (int j = 0; j < requires.length; j++) {
BundleDescription childDesc = (BundleDescription) requires[j].getSupplier();
// if the child doesn't exist then move to the next child
if (childDesc == null) continue;
// if the child entry is not in the table yet then add it
PluginDependencyGraphNode childNode =
(PluginDependencyGraphNode) dependencyGraph.get(new Long(childDesc.getBundleId()));
if (childNode == null) {
childNode = new PluginDependencyGraphNode(childDesc);
dependencyGraph.put(new Long(childDesc.getBundleId()), childNode);
}
// Add the child to this node's children and set this node as an ancestor
// of the child node
node.addChild(childNode);
childNode.addAncestor(node);
}
}
return dependencyGraph;
}
/**
* Diagnose loading of the bundle with the supplied name (ex. org.eclim.core).
*
* <p>Gleaned from org.eclipse.core.runtime.internal.adaptor.EclipseCommandProvider
*
* @param bundleName The bundle name to diagnose the loading of.
* @return The diagnoses.
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public String diagnose(String bundleName) {
StringWriter out = new StringWriter();
PrintWriter writer = new PrintWriter(out);
BundleContext context = getDefault().getBundle().getBundleContext();
ServiceReference platformAdminRef = context.getServiceReference(PlatformAdmin.class.getName());
PlatformAdmin platformAdmin = (PlatformAdmin) context.getService(platformAdminRef);
State state = platformAdmin.getState(false);
BundleDescription bundle = null;
BundleDescription[] allBundles = state.getBundles(bundleName);
if (allBundles.length == 0) {
writer.println(
NLS.bind(EclipseAdaptorMsg.ECLIPSE_CONSOLE_CANNOT_FIND_BUNDLE_ERROR, bundleName));
} else {
bundle = allBundles[0];
VersionConstraint[] unsatisfied =
platformAdmin.getStateHelper().getUnsatisfiedConstraints(bundle);
ResolverError[] resolverErrors = platformAdmin.getState(false).getResolverErrors(bundle);
for (int i = 0; i < resolverErrors.length; i++) {
if ((resolverErrors[i].getType()
& (ResolverError.MISSING_FRAGMENT_HOST
| ResolverError.MISSING_GENERIC_CAPABILITY
| ResolverError.MISSING_IMPORT_PACKAGE
| ResolverError.MISSING_REQUIRE_BUNDLE))
!= 0) {
continue;
}
writer.print(" ");
writer.println(resolverErrors[i].toString());
}
if (unsatisfied.length == 0 && resolverErrors.length == 0) {
writer.print(" ");
writer.println(EclipseAdaptorMsg.ECLIPSE_CONSOLE_NO_CONSTRAINTS);
}
if (unsatisfied.length > 0) {
writer.print(" ");
writer.println(EclipseAdaptorMsg.ECLIPSE_CONSOLE_DIRECT_CONSTRAINTS);
}
for (int i = 0; i < unsatisfied.length; i++) {
writer.print(" ");
writer.println(MessageHelper.getResolutionFailureMessage(unsatisfied[i]));
}
VersionConstraint[] unsatisfiedLeaves =
platformAdmin.getStateHelper().getUnsatisfiedLeaves(new BundleDescription[] {bundle});
boolean foundLeaf = false;
for (int i = 0; i < unsatisfiedLeaves.length; i++) {
if (unsatisfiedLeaves[i].getBundle() == bundle) {
continue;
}
if (!foundLeaf) {
foundLeaf = true;
writer.print(" ");
writer.println(EclipseAdaptorMsg.ECLIPSE_CONSOLE_LEAF_CONSTRAINTS);
}
writer.print(" ");
writer.println(
unsatisfiedLeaves[i].getBundle().getLocation()
+ " ["
+ unsatisfiedLeaves[i].getBundle().getBundleId()
+ "]");
writer.print(" ");
writer.println(MessageHelper.getResolutionFailureMessage(unsatisfiedLeaves[i]));
}
}
return out.toString();
}
