/* returns null if consistent, error string when not */
public String checkConsistency() {
final Collection<String> uploadSiteNames = getSiteNamesToUpload();
final String uploadSiteName =
uploadSiteNames.isEmpty() ? null : uploadSiteNames.iterator().next();
final StringBuilder result = new StringBuilder();
final Set<FileObject> circularChecked = new HashSet<FileObject>();
for (final FileObject file : this) {
if (uploadSiteName != null && !uploadSiteName.equals(file.updateSite)
|| file.getAction() == Action.REMOVE) {
continue;
}
result.append(checkForCircularDependency(file, circularChecked, uploadSiteName));
// only non-obsolete components can have dependencies
final Set<String> deps = file.dependencies.keySet();
if (deps.size() > 0 && file.isObsolete() && file.getAction() != Action.UPLOAD) {
result.append(
"Obsolete file " + file + " has dependencies: " + UpdaterUtil.join(", ", deps) + "!\n");
}
for (final String dependency : deps) {
final FileObject dep = get(dependency);
if (dep == null || dep.current == null)
result.append(
"The file "
+ file
+ " has the obsolete/local-only "
+ "dependency "
+ dependency
+ "!\n");
}
}
return result.length() > 0 ? result.toString() : null;
}
void addDependencies(final FileObject file, final DependencyMap map, final boolean overriding) {
for (final Dependency dependency : file.getDependencies()) {
final FileObject other = get(dependency.filename);
if (other == null || overriding != dependency.overrides || !other.isUpdateablePlatform(this))
continue;
if (other.isObsolete() && other.willNotBeInstalled()) {
log.warn("Ignoring obsolete dependency " + dependency.filename + " of " + file.filename);
continue;
}
if (dependency.overrides) {
if (other.willNotBeInstalled()) continue;
} else if (other.willBeUpToDate()) continue;
if (!map.add(other, file)) continue;
// overriding dependencies are not recursive
if (!overriding) addDependencies(other, map, overriding);
}
}