public void testTypingDoesNotInterfereWithDuplicates() throws Exception {
SliceTreeStructure treeStructure = configureTree("DupSlice");
SliceNode root = (SliceNode) treeStructure.getRootElement();
List<SliceNode> nodes = new ArrayList<SliceNode>();
expandNodesTo(root, nodes);
for (int i = 0; i < nodes.size() - 1; i++) {
SliceNode node = nodes.get(i);
assertNull(node.getDuplicate());
}
SliceNode last = nodes.get(nodes.size() - 1);
assertNotNull(last.getDuplicate());
type(" xx");
PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
backspace();
backspace();
PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
nodes.clear();
expandNodesTo(root, nodes);
for (int i = 0; i < nodes.size() - 1; i++) {
SliceNode node = nodes.get(i);
assertNull(node.getDuplicate());
}
assertNotNull(last.getDuplicate());
}
private static PsiAnnotationMemberValue[] readFromClass(
@NonNls String attributeName, @NotNull PsiAnnotation magic, PsiType type) {
PsiAnnotationMemberValue fromClassAttr = magic.findAttributeValue(attributeName);
PsiType fromClassType =
fromClassAttr instanceof PsiClassObjectAccessExpression
? ((PsiClassObjectAccessExpression) fromClassAttr).getOperand().getType()
: null;
PsiClass fromClass =
fromClassType instanceof PsiClassType ? ((PsiClassType) fromClassType).resolve() : null;
if (fromClass == null) return null;
String fqn = fromClass.getQualifiedName();
if (fqn == null) return null;
List<PsiAnnotationMemberValue> constants = new ArrayList<PsiAnnotationMemberValue>();
for (PsiField field : fromClass.getFields()) {
if (!field.hasModifierProperty(PsiModifier.PUBLIC)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| !field.hasModifierProperty(PsiModifier.FINAL)) continue;
PsiType fieldType = field.getType();
if (!Comparing.equal(fieldType, type)) continue;
PsiAssignmentExpression e =
(PsiAssignmentExpression)
JavaPsiFacade.getElementFactory(field.getProject())
.createExpressionFromText("x=" + fqn + "." + field.getName(), field);
PsiReferenceExpression refToField = (PsiReferenceExpression) e.getRExpression();
constants.add(refToField);
}
if (constants.isEmpty()) return null;
return constants.toArray(new PsiAnnotationMemberValue[constants.size()]);
}
private static void checkStructure(final SliceNode root, @NonNls String dataExpected) {
List<SliceNode> actualNodes = new ArrayList<SliceNode>((Collection) root.getChildren());
Collections.sort(actualNodes, SliceTreeBuilder.SLICE_NODE_COMPARATOR);
Object[] actualStrings =
ContainerUtil.map2Array(
actualNodes,
new Function<SliceNode, Object>() {
@Override
public Object fun(SliceNode node) {
return node.toString();
}
});
String[] childrenExpected =
dataExpected.length() == 0 ? ArrayUtil.EMPTY_STRING_ARRAY : dataExpected.split("\n");
String curChildren = "";
String curNode = null;
int iactual = 0;
for (int iexp = 0; iexp <= childrenExpected.length; iexp++) {
String e = iexp == childrenExpected.length ? null : childrenExpected[iexp];
boolean isTopLevel = e == null || e.charAt(0) != ' ';
if (isTopLevel) {
if (curNode != null) {
assertTrue(iactual < actualStrings.length);
Object actual = actualStrings[iactual];
assertEquals(curNode, actual);
checkStructure(actualNodes.get(iactual), curChildren);
iactual++;
}
curNode = e;
curChildren = "";
} else {
curChildren += StringUtil.trimStart(e, " ") + "\n";
}
}
assertEquals(actualNodes.size(), iactual);
}
private static AllowedValues parseBeanInfo(@NotNull PsiModifierListOwner owner) {
PsiMethod method = null;
if (owner instanceof PsiParameter) {
PsiParameter parameter = (PsiParameter) owner;
PsiElement scope = parameter.getDeclarationScope();
if (!(scope instanceof PsiMethod)) return null;
PsiElement nav = scope.getNavigationElement();
if (!(nav instanceof PsiMethod)) return null;
method = (PsiMethod) nav;
if (method.isConstructor()) {
// not a property, try the @ConstructorProperties({"prop"})
PsiAnnotation annotation =
AnnotationUtil.findAnnotation(method, "java.beans.ConstructorProperties");
if (annotation == null) return null;
PsiAnnotationMemberValue value = annotation.findAttributeValue("value");
if (!(value instanceof PsiArrayInitializerMemberValue)) return null;
PsiAnnotationMemberValue[] initializers =
((PsiArrayInitializerMemberValue) value).getInitializers();
PsiElement parent = parameter.getParent();
if (!(parent instanceof PsiParameterList)) return null;
int index = ((PsiParameterList) parent).getParameterIndex(parameter);
if (index >= initializers.length) return null;
PsiAnnotationMemberValue initializer = initializers[index];
if (!(initializer instanceof PsiLiteralExpression)) return null;
Object val = ((PsiLiteralExpression) initializer).getValue();
if (!(val instanceof String)) return null;
PsiMethod setter =
PropertyUtil.findPropertySetter(
method.getContainingClass(), (String) val, false, false);
if (setter == null) return null;
// try the @beaninfo of the corresponding setter
method = (PsiMethod) setter.getNavigationElement();
}
} else if (owner instanceof PsiMethod) {
PsiElement nav = owner.getNavigationElement();
if (!(nav instanceof PsiMethod)) return null;
method = (PsiMethod) nav;
}
if (method == null) return null;
PsiClass aClass = method.getContainingClass();
if (aClass == null) return null;
if (PropertyUtil.isSimplePropertyGetter(method)) {
List<PsiMethod> setters =
PropertyUtil.getSetters(aClass, PropertyUtil.getPropertyNameByGetter(method));
if (setters.size() != 1) return null;
method = setters.get(0);
}
if (!PropertyUtil.isSimplePropertySetter(method)) return null;
PsiDocComment doc = method.getDocComment();
if (doc == null) return null;
PsiDocTag beaninfo = doc.findTagByName("beaninfo");
if (beaninfo == null) return null;
String data =
StringUtil.join(
beaninfo.getDataElements(),
new Function<PsiElement, String>() {
@Override
public String fun(PsiElement element) {
return element.getText();
}
},
"\n");
int enumIndex = StringUtil.indexOfSubstringEnd(data, "enum:");
if (enumIndex == -1) return null;
data = data.substring(enumIndex);
int colon = data.indexOf(":");
int last = colon == -1 ? data.length() : data.substring(0, colon).lastIndexOf("\n");
data = data.substring(0, last);
List<PsiAnnotationMemberValue> values = new ArrayList<PsiAnnotationMemberValue>();
for (String line : StringUtil.splitByLines(data)) {
List<String> words = StringUtil.split(line, " ", true, true);
if (words.size() != 2) continue;
String ref = words.get(1);
PsiExpression constRef =
JavaPsiFacade.getElementFactory(aClass.getProject())
.createExpressionFromText(ref, aClass);
if (!(constRef instanceof PsiReferenceExpression)) continue;
PsiReferenceExpression expr = (PsiReferenceExpression) constRef;
values.add(expr);
}
if (values.isEmpty()) return null;
PsiAnnotationMemberValue[] array = values.toArray(new PsiAnnotationMemberValue[values.size()]);
return new AllowedValues(array, false);
}