| /* |
| * Copyright 2006 Bas Leijdekkers |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.siyeh.ipp.imports; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.ClassUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.ipp.base.Intention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class ReplaceOnDemandImportIntention extends Intention { |
| |
| @NotNull |
| protected PsiElementPredicate getElementPredicate() { |
| return new OnDemandImportPredicate(); |
| } |
| |
| protected void processIntention(@NotNull PsiElement element) |
| throws IncorrectOperationException { |
| final PsiImportStatementBase importStatementBase = |
| (PsiImportStatementBase)element; |
| if (importStatementBase instanceof PsiImportStatement) { |
| final PsiImportStatement importStatement = |
| (PsiImportStatement)importStatementBase; |
| final PsiJavaFile javaFile = |
| (PsiJavaFile)importStatement.getContainingFile(); |
| final PsiClass[] classes = javaFile.getClasses(); |
| final String qualifiedName = importStatement.getQualifiedName(); |
| final ClassCollector visitor = new ClassCollector(qualifiedName); |
| for (PsiClass aClass : classes) { |
| aClass.accept(visitor); |
| } |
| final PsiClass[] importedClasses = visitor.getImportedClasses(); |
| Arrays.sort(importedClasses, new PsiClassComparator()); |
| final PsiManager manager = importStatement.getManager(); |
| final PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory(); |
| final PsiElement importList = importStatement.getParent(); |
| for (PsiClass importedClass : importedClasses) { |
| final PsiImportStatement newImportStatement = |
| factory.createImportStatement(importedClass); |
| importList.add(newImportStatement); |
| } |
| importStatement.delete(); |
| } |
| else if (importStatementBase instanceof PsiImportStaticStatement) { |
| // do something else |
| } |
| } |
| |
| private static class ClassCollector extends JavaRecursiveElementWalkingVisitor { |
| |
| private final String importedPackageName; |
| private final Set<PsiClass> importedClasses = new HashSet(); |
| |
| ClassCollector(String importedPackageName) { |
| this.importedPackageName = importedPackageName; |
| } |
| |
| @Override |
| public void visitReferenceElement( |
| PsiJavaCodeReferenceElement reference) { |
| super.visitReferenceElement(reference); |
| if (reference.isQualified()) { |
| return; |
| } |
| final PsiElement element = reference.resolve(); |
| if (!(element instanceof PsiClass)) { |
| return; |
| } |
| final PsiClass aClass = (PsiClass)element; |
| final String qualifiedName = aClass.getQualifiedName(); |
| final String packageName = |
| ClassUtil.extractPackageName(qualifiedName); |
| if (!importedPackageName.equals(packageName)) { |
| return; |
| } |
| importedClasses.add(aClass); |
| } |
| |
| public PsiClass[] getImportedClasses() { |
| return importedClasses.toArray(new PsiClass[importedClasses.size()]); |
| } |
| } |
| |
| private static final class PsiClassComparator |
| implements Comparator<PsiClass> { |
| |
| public int compare(PsiClass class1, PsiClass class2) { |
| final String qualifiedName1 = class1.getQualifiedName(); |
| final String qualifiedName2 = class2.getQualifiedName(); |
| if (qualifiedName1 == null) { |
| return -1; |
| } |
| return qualifiedName1.compareTo(qualifiedName2); |
| } |
| } |
| } |