private boolean isGenericCollection(ClassDescriptor operandClass) {
String dottedClassName = operandClass.getDottedClassName();
if (baseGenericTypes.contains(dottedClassName)) return true;
String found = null;
for (String c : baseGenericTypes) {
if (Subtypes2.instanceOf(operandClass, c)) {
found = c;
break;
}
}
if (found == null) return false;
if (dottedClassName.startsWith("java.util.")
|| dottedClassName.startsWith("com.google.common.collect.")) return true;
try {
XClass xclass = Global.getAnalysisCache().getClassAnalysis(XClass.class, operandClass);
String sig = xclass.getSourceSignature();
if (sig == null) return false;
String typeParameter = null;
List<String> split = GenericUtilities.split(sig, true);
if (sig.charAt(0) == '<') {
int end = sig.indexOf(':');
if (end > 0) typeParameter = sig.substring(1, end);
}
if (DEBUG) System.out.println(dottedClassName + " " + typeParameter + " " + split);
for (String s : split) {
int i = s.indexOf('<');
if (i < 0) continue;
if (s.charAt(0) != 'L') throw new IllegalStateException("unexpected non signature: " + s);
ClassDescriptor c = DescriptorFactory.createClassDescriptor(s.substring(1, i));
String superTypeParameter = s.substring(i + 1);
if (isGenericCollection(c)
&& (typeParameter == null || superTypeParameter.startsWith("T" + typeParameter))) {
if (DEBUG) System.out.println(operandClass + " is a subtype of " + s);
return true;
}
}
if (DEBUG) System.out.println("Not a subtype");
} catch (CheckedAnalysisException e1) {
AnalysisContext.logError(
"Error checking for weird generic parameterization of " + operandClass, e1);
}
return false;
}
