public static boolean hasJavaLangImportConflict(String fqName, PsiJavaFile file) {
final String shortName = ClassUtil.extractClassName(fqName);
final String packageName = ClassUtil.extractPackageName(fqName);
if (HardcodedMethodConstants.JAVA_LANG.equals(packageName)) {
return false;
}
final Project project = file.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiPackage javaLangPackage = psiFacade.findPackage(HardcodedMethodConstants.JAVA_LANG);
if (javaLangPackage == null) {
return false;
}
return javaLangPackage.containsClassNamed(shortName);
}
public static boolean hasDefaultImportConflict(String fqName, PsiJavaFile file) {
final String shortName = ClassUtil.extractClassName(fqName);
final String packageName = ClassUtil.extractPackageName(fqName);
final String filePackageName = file.getPackageName();
if (filePackageName.equals(packageName)) {
return false;
}
final Project project = file.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiPackage filePackage = psiFacade.findPackage(filePackageName);
if (filePackage == null) {
return false;
}
return filePackage.containsClassNamed(shortName);
}
@Test
public void testJavaFileIsEmpty() throws Exception {
final PsiJavaFile psiJavaFile = mock(PsiJavaFile.class);
final PsiClass toImport = mock(PsiClass.class);
final PsiImportStatement psiImportStatement = mock(PsiImportStatement.class);
final PsiImportList psiImportList = mock(PsiImportList.class);
final RunnableHolder writeActionHolder = getWriteActionHolder();
when(psiJavaFile.getProject()).thenReturn(project);
when(psiImportStatement.getParent()).thenReturn(psiImportList);
when(psiElementFactory.createImportStatement(toImport)).thenReturn(psiImportStatement);
addImportService.addImportStatement(psiJavaFile, toImport);
assertNotNull(writeActionHolder.getRunnable());
verify(psiJavaFile, never()).add(any());
writeActionHolder.getRunnable().run();
verify(psiJavaFile).add(psiImportList);
}
public static boolean hasDefaultImportConflict(String fqName, PsiJavaFile file) {
final String shortName = ClassUtil.extractClassName(fqName);
final String packageName = ClassUtil.extractPackageName(fqName);
final String filePackageName = file.getPackageName();
if (filePackageName.equals(packageName)) {
return false;
}
final Project project = file.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiPackage filePackage = psiFacade.findPackage(filePackageName);
if (filePackage == null) {
return false;
}
final PsiClass[] classes = filePackage.getClasses();
for (PsiClass aClass : classes) {
final String className = aClass.getName();
if (shortName.equals(className)) {
return true;
}
}
return false;
}
public PsiImportList prepareOptimizeImportsResult(@NotNull final PsiJavaFile file) {
CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(file.getProject());
final Set<String> namesToImportStaticly = new THashSet<String>();
String[] names =
collectNamesToImport(
file,
namesToImportStaticly); // Note: this array may contain "<packageOrClassName>.*" for
// unresolved imports!
Arrays.sort(names);
ArrayList<String> namesList = new ArrayList<String>();
ImportLayoutTable table = mySettings.IMPORT_LAYOUT_TABLE;
if (table != null) {
int[] entriesForName = ArrayUtil.newIntArray(names.length);
for (int i = 0; i < names.length; i++) {
entriesForName[i] = findEntryIndex(names[i]);
}
Entry[] entries = table.getEntries();
for (int i = 0; i < entries.length; i++) {
Entry entry = entries[i];
if (entry instanceof PackageEntry) {
for (int j = 0; j < names.length; j++) {
if (entriesForName[j] == i) {
namesList.add(names[j]);
names[j] = null;
}
}
}
}
}
for (String name : names) {
if (name != null) namesList.add(name);
}
names = ArrayUtil.toStringArray(namesList);
TObjectIntHashMap<String> packageToCountMap = new TObjectIntHashMap<String>();
TObjectIntHashMap<String> classToCountMap = new TObjectIntHashMap<String>();
for (String name : names) {
String packageOrClassName = getPackageOrClassName(name);
if (packageOrClassName.length() == 0) continue;
if (namesToImportStaticly.contains(name)) {
int count = classToCountMap.get(packageOrClassName);
classToCountMap.put(packageOrClassName, count + 1);
} else {
int count = packageToCountMap.get(packageOrClassName);
packageToCountMap.put(packageOrClassName, count + 1);
}
}
final Set<String> classesOrPackagesToImportOnDemand = new THashSet<String>();
class MyVisitorProcedure implements TObjectIntProcedure<String> {
private final boolean myIsVisitingPackages;
MyVisitorProcedure(boolean isVisitingPackages) {
myIsVisitingPackages = isVisitingPackages;
}
public boolean execute(final String packageOrClassName, final int count) {
if (isToUseImportOnDemand(packageOrClassName, count, !myIsVisitingPackages)) {
classesOrPackagesToImportOnDemand.add(packageOrClassName);
}
return true;
}
}
classToCountMap.forEachEntry(new MyVisitorProcedure(false));
packageToCountMap.forEachEntry(new MyVisitorProcedure(true));
Set<String> classesToUseSingle =
findSingleImports(file, names, classesOrPackagesToImportOnDemand, namesToImportStaticly);
try {
final String text =
buildImportListText(
names, classesOrPackagesToImportOnDemand, classesToUseSingle, namesToImportStaticly);
String ext = StdFileTypes.JAVA.getDefaultExtension();
final PsiJavaFile dummyFile =
(PsiJavaFile)
PsiFileFactory.getInstance(file.getProject())
.createFileFromText("_Dummy_." + ext, StdFileTypes.JAVA, text);
codeStyleManager.reformat(dummyFile);
PsiImportList resultList = dummyFile.getImportList();
PsiImportList oldList = file.getImportList();
if (oldList.isReplaceEquivalent(resultList)) return null;
return resultList;
} catch (IncorrectOperationException e) {
LOG.error(e);
return null;
}
}
/**
* Adds import if it is needed.
*
* @return false when the FQ-name have to be used in code (e.g. when conflicting imports already
* exist)
*/
public boolean addImport(@NotNull PsiJavaFile file, @NotNull PsiClass refClass) {
final JavaPsiFacade facade = JavaPsiFacade.getInstance(file.getProject());
PsiElementFactory factory = facade.getElementFactory();
PsiResolveHelper helper = facade.getResolveHelper();
String className = refClass.getQualifiedName();
if (className == null) return true;
String packageName = getPackageOrClassName(className);
String shortName = PsiNameHelper.getShortClassName(className);
PsiClass conflictSingleRef = findSingleImportByShortName(file, shortName);
if (conflictSingleRef != null) {
return className.equals(conflictSingleRef.getQualifiedName());
}
PsiClass curRefClass = helper.resolveReferencedClass(shortName, file);
if (file.getManager().areElementsEquivalent(refClass, curRefClass)) {
return true;
}
boolean useOnDemand = true;
if (packageName.length() == 0) {
useOnDemand = false;
}
PsiElement conflictPackageRef = findImportOnDemand(file, packageName);
if (conflictPackageRef != null) {
useOnDemand = false;
}
List<PsiElement> classesToReimport = new ArrayList<PsiElement>();
List<PsiJavaCodeReferenceElement> importRefs = getImportsFromPackage(file, packageName);
if (useOnDemand) {
if (mySettings.USE_SINGLE_CLASS_IMPORTS
&& importRefs.size() + 1 < mySettings.CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND
&& !mySettings.PACKAGES_TO_USE_IMPORT_ON_DEMAND.contains(packageName)) {
useOnDemand = false;
}
// name of class we try to import is the same as of the class defined in this file
if (curRefClass != null) {
useOnDemand = true;
}
// check conflicts
if (useOnDemand) {
PsiElement[] onDemandRefs = file.getOnDemandImports(false, true);
if (onDemandRefs.length > 0) {
PsiPackage aPackage = facade.findPackage(packageName);
if (aPackage != null) {
PsiDirectory[] dirs = aPackage.getDirectories();
for (PsiDirectory dir : dirs) {
PsiFile[] files = dir.getFiles(); // do not iterate classes - too slow when not loaded
for (PsiFile aFile : files) {
if (aFile instanceof PsiJavaFile) {
String name = aFile.getVirtualFile().getNameWithoutExtension();
for (PsiElement ref : onDemandRefs) {
String refName =
ref instanceof PsiClass
? ((PsiClass) ref).getQualifiedName()
: ((PsiPackage) ref).getQualifiedName();
String conflictClassName = refName + "." + name;
GlobalSearchScope resolveScope = file.getResolveScope();
PsiClass conflictClass = facade.findClass(conflictClassName, resolveScope);
if (conflictClass != null && helper.isAccessible(conflictClass, file, null)) {
String conflictClassName2 = aPackage.getQualifiedName() + "." + name;
PsiClass conflictClass2 = facade.findClass(conflictClassName2, resolveScope);
if (conflictClass2 != null
&& helper.isAccessible(conflictClass2, file, null)) {
if (ReferencesSearch.search(
conflictClass, new LocalSearchScope(file), false)
.findFirst()
!= null) {
classesToReimport.add(conflictClass);
}
}
}
}
}
}
}
}
}
}
}
try {
PsiImportList importList = file.getImportList();
PsiImportStatement statement;
if (useOnDemand) {
statement = factory.createImportStatementOnDemand(packageName);
} else {
statement = factory.createImportStatement(refClass);
}
importList.add(statement);
if (useOnDemand) {
for (PsiJavaCodeReferenceElement ref : importRefs) {
LOG.assertTrue(ref.getParent() instanceof PsiImportStatement);
if (!ref.isValid()) continue; // todo[dsl] Q?
classesToReimport.add(ref.resolve());
PsiImportStatement importStatement = (PsiImportStatement) ref.getParent();
importStatement.delete();
}
}
for (PsiElement aClassesToReimport : classesToReimport) {
PsiClass aClass = (PsiClass) aClassesToReimport;
if (aClass != null) {
addImport(file, aClass);
}
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return true;
}
private PsiClass buildClass() {
if (existingClass != null) {
return existingClass;
}
final ParameterObjectBuilder beanClassBuilder = new ParameterObjectBuilder();
beanClassBuilder.setVisibility(myCreateInnerClass ? PsiModifier.PRIVATE : PsiModifier.PUBLIC);
beanClassBuilder.setProject(myProject);
beanClassBuilder.setTypeArguments(typeParams);
beanClassBuilder.setClassName(className);
beanClassBuilder.setPackageName(packageName);
for (ParameterChunk parameterChunk : parameters) {
final VariableData parameter = parameterChunk.parameter;
final boolean setterRequired = paramsNeedingSetters.contains(parameter.variable);
beanClassBuilder.addField(
(PsiParameter) parameter.variable, parameter.name, parameter.type, setterRequired);
}
final String classString = beanClassBuilder.buildBeanClass();
try {
final PsiFileFactory factory = PsiFileFactory.getInstance(method.getProject());
final PsiJavaFile newFile =
(PsiJavaFile)
factory.createFileFromText(className + ".java", JavaFileType.INSTANCE, classString);
if (myCreateInnerClass) {
final PsiClass containingClass = method.getContainingClass();
final PsiClass[] classes = newFile.getClasses();
assert classes.length > 0 : classString;
final PsiClass innerClass = (PsiClass) containingClass.add(classes[0]);
PsiUtil.setModifierProperty(innerClass, PsiModifier.STATIC, true);
return (PsiClass)
JavaCodeStyleManager.getInstance(newFile.getProject())
.shortenClassReferences(innerClass);
} else {
final PsiFile containingFile = method.getContainingFile();
final PsiDirectory containingDirectory = containingFile.getContainingDirectory();
final PsiDirectory directory;
if (myMoveDestination != null) {
directory = myMoveDestination.getTargetDirectory(containingDirectory);
} else {
final Module module = ModuleUtil.findModuleForPsiElement(containingFile);
directory =
PackageUtil.findOrCreateDirectoryForPackage(
module, packageName, containingDirectory, true, true);
}
if (directory != null) {
final CodeStyleManager codeStyleManager =
CodeStyleManager.getInstance(method.getManager().getProject());
final PsiElement shortenedFile =
JavaCodeStyleManager.getInstance(newFile.getProject())
.shortenClassReferences(newFile);
final PsiElement reformattedFile = codeStyleManager.reformat(shortenedFile);
return ((PsiJavaFile) directory.add(reformattedFile)).getClasses()[0];
}
}
} catch (IncorrectOperationException e) {
logger.info(e);
}
return null;
}