@NotNull
@Override
public PsiMethod createMethod(@NotNull final String name, final PsiType returnType)
throws IncorrectOperationException {
PsiUtil.checkIsIdentifier(myManager, name);
if (PsiType.NULL.equals(returnType)) {
throw new IncorrectOperationException("Cannot create method with type \"null\".");
}
final String canonicalText = returnType.getCanonicalText();
final PsiJavaFile aFile =
createDummyJavaFile("class _Dummy_ { public " + canonicalText + " " + name + "() {} }");
final PsiClass[] classes = aFile.getClasses();
if (classes.length < 1) {
throw new IncorrectOperationException(
"Class was not created. Method name: " + name + "; return type: " + canonicalText);
}
final PsiMethod[] methods = classes[0].getMethods();
if (methods.length < 1) {
throw new IncorrectOperationException(
"Method was not created. Method name: " + name + "; return type: " + canonicalText);
}
PsiMethod method = methods[0];
method =
(PsiMethod)
JavaCodeStyleManager.getInstance(myManager.getProject()).shortenClassReferences(method);
return (PsiMethod) CodeStyleManager.getInstance(myManager.getProject()).reformat(method);
}
@NotNull
@Override
public PsiField createField(@NotNull final String name, @NotNull final PsiType type)
throws IncorrectOperationException {
PsiUtil.checkIsIdentifier(myManager, name);
if (PsiType.NULL.equals(type)) {
throw new IncorrectOperationException("Cannot create field with type \"null\".");
}
@NonNls
final String text = "class _Dummy_ { private " + type.getCanonicalText() + " " + name + "; }";
final PsiJavaFile aFile = createDummyJavaFile(text);
final PsiClass[] classes = aFile.getClasses();
if (classes.length < 1) {
throw new IncorrectOperationException("Class was not created " + text);
}
final PsiClass psiClass = classes[0];
final PsiField[] fields = psiClass.getFields();
if (fields.length < 1) {
throw new IncorrectOperationException("Field was not created " + text);
}
PsiField field = fields[0];
field =
(PsiField)
JavaCodeStyleManager.getInstance(myManager.getProject()).shortenClassReferences(field);
return (PsiField) CodeStyleManager.getInstance(myManager.getProject()).reformat(field);
}
@NotNull
@Override
public PsiClassInitializer createClassInitializer() throws IncorrectOperationException {
final PsiJavaFile aFile = createDummyJavaFile("class _Dummy_ { {} }");
final PsiClassInitializer classInitializer = aFile.getClasses()[0].getInitializers()[0];
return (PsiClassInitializer)
CodeStyleManager.getInstance(myManager.getProject()).reformat(classInitializer);
}
@NotNull
@Override
public PsiMethod createConstructor(@NotNull @NonNls final String name) {
final PsiJavaFile aFile =
createDummyJavaFile("class " + name + " { public " + name + "() {} }");
final PsiMethod method = aFile.getClasses()[0].getMethods()[0];
return (PsiMethod) CodeStyleManager.getInstance(myManager.getProject()).reformat(method);
}
private static PsiImportStatementBase extractImport(
final PsiJavaFile aFile, final boolean isStatic) {
final PsiImportList importList = aFile.getImportList();
assert importList != null : aFile;
final PsiImportStatementBase[] statements =
isStatic ? importList.getImportStaticStatements() : importList.getImportStatements();
assert statements.length == 1 : aFile.getText();
return statements[0];
}
private PsiClass createClassInner(@NonNls final String type, @NonNls String name) {
PsiUtil.checkIsIdentifier(myManager, name);
final PsiJavaFile aFile = createDummyJavaFile("public " + type + " " + name + " { }");
final PsiClass[] classes = aFile.getClasses();
if (classes.length != 1) {
throw new IncorrectOperationException("Incorrect " + type + " name \"" + name + "\".");
}
return classes[0];
}
@NotNull
@Override
public PsiPackageStatement createPackageStatement(@NotNull final String name)
throws IncorrectOperationException {
final PsiJavaFile aFile = createDummyJavaFile("package " + name + ";");
final PsiPackageStatement stmt = aFile.getPackageStatement();
if (stmt == null) {
throw new IncorrectOperationException("Incorrect package name: " + name);
}
return stmt;
}