private Set<String> checkPluginDependency(Collection<String> usedPlugins, Plugin p) {
Map<String, VersionInfo> depends = p.getDependencies();
Set<String> missingDependencies = new HashSet<String>();
if (depends != null) {
for (String name : depends.keySet()) {
if (!usedPlugins.contains(name)) {
missingDependencies.add(name);
Set<String> transitiveMissingDependencies =
checkPluginDependency(usedPlugins, SlimEngine.getFullEngine().getPlugin(name));
missingDependencies.addAll(transitiveMissingDependencies);
}
}
}
return missingDependencies;
}
@Override
public void checkForErrors(ASMDocument document, List<AbstractError> errors) {
Pattern usePattern = Pattern.compile("^[\\s]*[uU][sS][eE][\\s]+");
Set<String> usedPlugins = new HashSet<String>();
Map<String, Integer> usePositions = new HashMap<String, Integer>();
Map<String, Integer> lengths = new HashMap<String, Integer>();
for (int i = 0; i < document.getNumberOfLines(); i++) {
try {
int pos = document.getLineOffset(i);
String line = document.get(pos, document.getLineLength(i));
Matcher useMatcher = usePattern.matcher(line);
if (useMatcher.find()) {
String pluginName = useMatcher.replaceFirst("").trim();
Plugin p = SlimEngine.getFullEngine().getPlugin(pluginName);
if (p == null) {
p = SlimEngine.getFullEngine().getPlugin(pluginName + "Plugins");
if (p == null) p = SlimEngine.getFullEngine().getPlugin(pluginName + "Plugin");
}
if (p != null) {
if (usedPlugins.add(p.getName())) {
usePositions.put(p.getName(), pos + useMatcher.end());
lengths.put(p.getName(), pluginName.length());
if (p instanceof PackagePlugin)
usedPlugins.addAll(((PackagePlugin) p).getEnclosedPluginNames());
}
} else
errors.add(
new SimpleError(
"Plugin not found",
"Plugin '" + pluginName + "' cannot be found.",
pos + useMatcher.end(),
pluginName.length(),
CLASSNAME,
NO_PLUGIN));
}
} catch (BadLocationException e) {
}
}
for (String pluginName : usedPlugins) {
Plugin p = SlimEngine.getFullEngine().getPlugin(pluginName);
Set<String> missingDependencies = checkPluginDependency(usedPlugins, p);
if (!missingDependencies.isEmpty()) {
String descr = "";
for (String missingDependency : missingDependencies) {
if (!descr.isEmpty()) descr += ", ";
descr += missingDependency;
}
descr = pluginName + " requires " + descr;
errors.add(
new SimpleError(
"Plugin Dependency Error",
descr,
usePositions.get(pluginName),
lengths.get(pluginName),
CLASSNAME,
DEPENDENCY));
}
}
}