/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.quickfix.jdt.processors;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.FieldDeclaration;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.PrimitiveType;
import org.eclipse.jdt.core.dom.SimpleName;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.Type;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import org.eclipse.jdt.ui.text.java.IInvocationContext;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.springframework.ide.eclipse.quickfix.jdt.proposals.AddAutowireCompletionProposal;
import org.springframework.ide.eclipse.quickfix.jdt.util.ProposalCalculatorUtil;
/**
* @author Terry Denney
*/
public class AutowiredAnnotationQuickAssistProcessor extends AbstractAnnotationQuickAssistProcessor {
@Override
public boolean isQuickfixAvailable(FieldDeclaration fieldDecl, IInvocationContext context) {
int modifiers = fieldDecl.getModifiers();
if (!Modifier.isStatic(modifiers) && !Modifier.isFinal(modifiers)) {
return super.isQuickfixAvailable(fieldDecl, context);
}
return false;
}
private TypeDeclaration getEnclosingTypeDeclaration(ASTNode node) {
if (node == null || node instanceof TypeDeclaration) {
return (TypeDeclaration) node;
}
return getEnclosingTypeDeclaration(node.getParent());
}
@SuppressWarnings("unchecked")
@Override
public boolean isQuickfixAvailable(MethodDeclaration methodDecl, IInvocationContext context) {
if (methodDecl.isConstructor()) {
// @Autowired can only be applied to one constructor per class
// make sure no other constructors are already annotated
TypeDeclaration typeDecl = getEnclosingTypeDeclaration(methodDecl);
if (typeDecl != null) {
List<BodyDeclaration> decls = typeDecl.bodyDeclarations();
for (BodyDeclaration decl : decls) {
if (decl instanceof MethodDeclaration) {
MethodDeclaration currentMethodDecl = (MethodDeclaration) decl;
if (currentMethodDecl.isConstructor() && currentMethodDecl != methodDecl) {
if (ProposalCalculatorUtil.hasAnnotation(getAnnotationName(), currentMethodDecl)) {
return false;
}
}
}
}
}
}
Type returnType = methodDecl.getReturnType2();
// check if methodDecl is a void method
if (methodDecl.isConstructor()
|| (returnType != null && returnType.isPrimitiveType() && PrimitiveType.VOID
.equals(((PrimitiveType) returnType).getPrimitiveTypeCode()))) {
// check if there is at least one parameter
List<SingleVariableDeclaration> params = methodDecl.parameters();
if (params != null && !params.isEmpty()) {
return super.isQuickfixAvailable(methodDecl, context);
}
}
return false;
}
@Override
public String getAnnotationName() {
return "Autowired";
}
@Override
public List<IJavaCompletionProposal> getAssistsForField(FieldDeclaration fieldDecl, SimpleName name,
ICompilationUnit cu) {
return getAssistsForDecl(fieldDecl, name, cu);
}
private List<IJavaCompletionProposal> getAssistsForDecl(BodyDeclaration decl, SimpleName name, ICompilationUnit cu) {
List<IJavaCompletionProposal> proposals = new ArrayList<IJavaCompletionProposal>();
proposals.add(new AddAutowireCompletionProposal(decl, cu));
proposals.add(new AddAutowireCompletionProposal(decl, cu, AddAutowireCompletionProposal.Param.REQUIRED));
return proposals;
}
@Override
public List<IJavaCompletionProposal> getAssistsForMethod(MethodDeclaration methodDecl, SimpleName name,
ICompilationUnit cu) {
return getAssistsForDecl(methodDecl, name, cu);
}
}