public void computeImports() throws CoreException {
// some existing imports may valid and can be preserved
Vector preservedImports = new Vector(fImports.size());
// new imports
ArrayList newImports = new ArrayList();
IPluginModelBase model = null;
for (int i = 0; i < fPlugins.size(); i++) {
IFeaturePlugin fp = (IFeaturePlugin) fPlugins.get(i);
ModelEntry entry = PluginRegistry.findEntry(fp.getId());
if (entry == null) continue;
IPluginModelBase[] models = entry.getActiveModels();
for (int j = 0; j < models.length; j++) {
IPluginModelBase m = models[j];
if (fp.getVersion().equals(m.getPluginBase().getVersion())
|| fp.getVersion().equals("0.0.0")) // $NON-NLS-1$
model = m;
}
if (model != null) {
addPluginImports(preservedImports, newImports, model.getPluginBase());
if (model.isFragmentModel()) {
BundleDescription desc = model.getBundleDescription();
if (desc == null) continue;
HostSpecification hostSpec = desc.getHost();
String id = hostSpec.getName();
String version = null;
int match = IMatchRules.NONE;
VersionRange versionRange = hostSpec.getVersionRange();
if (!(versionRange == null || VersionRange.emptyRange.equals(versionRange))) {
version =
versionRange.getMinimum() != null ? versionRange.getMinimum().toString() : null;
match = PluginBase.getMatchRule(versionRange);
}
addNewDependency(id, version, match, preservedImports, newImports);
}
}
}
// preserve imports of features
for (int i = 0; i < fImports.size(); i++) {
IFeatureImport iimport = (IFeatureImport) fImports.get(i);
if (iimport.getType() == IFeatureImport.FEATURE) preservedImports.add(iimport);
}
// removed = old - preserved
Vector removedImports = ((Vector) fImports.clone());
removedImports.removeAll(preservedImports);
// perform remove
fImports = preservedImports;
if (removedImports.size() > 0) {
fireStructureChanged(
(IFeatureImport[]) removedImports.toArray(new IFeatureImport[removedImports.size()]),
IModelChangedEvent.REMOVE);
}
// perform add
if (newImports.size() > 0) {
fImports.addAll(newImports);
fireStructureChanged(
(IFeatureImport[]) newImports.toArray(new IFeatureImport[newImports.size()]),
IModelChangedEvent.INSERT);
}
}
/**
* Validates that the version of the given plug-in is available in the registry. Adds a warning if
* the plug-in could not be found.
*
* @param plugin xml element describing the plug-in to look for in the registry
* @param attr set of element attributes
*/
private void validateVersion(Element plugin, Attr attr) {
String id = plugin.getAttribute("id"); // $NON-NLS-1$
String version = plugin.getAttribute("version"); // $NON-NLS-1$
if (id.trim().length() == 0
|| version.trim().length() == 0
|| version.equals("0.0.0")) // $NON-NLS-1$
return;
ModelEntry entry = PluginRegistry.findEntry(id);
if (entry != null) {
IPluginModelBase[] allModels = entry.getActiveModels();
for (int i = 0; i < allModels.length; i++) {
IPluginModelBase availablePlugin = allModels[i];
if (id.equals(availablePlugin.getPluginBase().getId())) {
if (version.equals(availablePlugin.getPluginBase().getVersion())) {
return;
}
}
}
}
report(
NLS.bind(
PDECoreMessages.Builders_Feature_mismatchPluginVersion, new String[] {version, id}),
getLine(plugin, attr.getName()),
CompilerFlags.WARNING,
PDEMarkerFactory.CAT_OTHER);
}