| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.netbeans.modules.j2ee.ejbverification.rules; |
| |
| import com.sun.source.tree.Tree; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.logging.Logger; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.Modifier; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.util.ElementFilter; |
| import org.netbeans.api.j2ee.core.Profile; |
| import org.netbeans.api.java.source.CompilationInfo; |
| import org.netbeans.api.java.source.ElementHandle; |
| import org.netbeans.modules.j2ee.api.ejbjar.EjbJar; |
| import org.netbeans.modules.j2ee.dd.api.ejb.Session; |
| import org.netbeans.modules.j2ee.ejbverification.EJBAPIAnnotations; |
| import org.netbeans.modules.j2ee.ejbverification.EJBProblemContext; |
| import org.netbeans.modules.j2ee.ejbverification.HintsUtils; |
| import org.netbeans.modules.j2ee.ejbverification.JavaUtils; |
| import org.netbeans.modules.j2ee.ejbverification.fixes.ExposeBusinessMethod; |
| import org.netbeans.spi.editor.hints.ErrorDescription; |
| import org.netbeans.spi.editor.hints.Fix; |
| import org.netbeans.spi.editor.hints.Severity; |
| import org.netbeans.spi.java.hints.Hint; |
| import org.netbeans.spi.java.hints.HintContext; |
| import org.netbeans.spi.java.hints.TriggerTreeKind; |
| import org.openide.util.NbBundle; |
| |
| /** |
| * Offer a hint to expose a method in business interface. |
| * |
| * @author Tomasz.Slota@Sun.COM, Martin Fousek <marfous@netbeans.org> |
| */ |
| @Hint(displayName = "#BusinessMethodExposed.display.name", |
| description = "#BusinessMethodExposed.hint", |
| id = "o.n.m.j2ee.ejbverification.BusinessMethodExposed", |
| category = "javaee/ejb", |
| enabled = true, |
| suppressWarnings = "BusinessMethodExposed") |
| @NbBundle.Messages({ |
| "BusinessMethodExposed.display.name=Method not exposed in business interface.", |
| "BusinessMethodExposed.hint=Method is not exposed in any business interface." |
| }) |
| public class BusinessMethodExposed { |
| |
| private static final Logger LOG = Logger.getLogger(BusinessMethodExposed.class.getName()); |
| |
| private BusinessMethodExposed() { |
| } |
| |
| @TriggerTreeKind(Tree.Kind.CLASS) |
| public static Collection<ErrorDescription> run(HintContext hintContext) { |
| final List<ErrorDescription> problems = new ArrayList<>(); |
| final EJBProblemContext ctx = HintsUtils.getOrCacheContext(hintContext); |
| if (ctx != null && ctx.getEjb() instanceof Session) { |
| Collection<TypeElement> localInterfaces = null; |
| Collection<TypeElement> remoteInterfaces = null; |
| |
| EjbJar ejbModule = ctx.getEjbModule(); |
| Profile profile = ejbModule.getJ2eeProfile(); |
| if (profile != null && profile.isAtLeast(Profile.JAVA_EE_6_WEB)) { |
| int intfCount = ctx.getEjbData().getBusinessLocal().length + ctx.getEjbData().getBusinessRemote().length; |
| localInterfaces = new ArrayList<TypeElement>(resolveClasses(hintContext.getInfo(), ctx.getEjbData().getBusinessLocal())); |
| remoteInterfaces = new ArrayList<TypeElement>(resolveClasses(hintContext.getInfo(), ctx.getEjbData().getBusinessRemote())); |
| if (intfCount == 0 || JavaUtils.hasAnnotation(ctx.getClazz(), EJBAPIAnnotations.LOCAL_BEAN)) { |
| return null; |
| } |
| } |
| // if an EJB is annotated with "@javax.jws.WebService" |
| // then no business interface is needed, see issue #147512 |
| if (JavaUtils.hasAnnotation(ctx.getClazz(), EJBAPIAnnotations.WEB_SERVICE)) { |
| return null; |
| } |
| |
| if (localInterfaces == null) { |
| localInterfaces = new ArrayList<TypeElement>(resolveClasses(hintContext.getInfo(), ctx.getEjbData().getBusinessLocal())); |
| } |
| if (remoteInterfaces == null) { |
| remoteInterfaces = new ArrayList<TypeElement>(resolveClasses(hintContext.getInfo(), ctx.getEjbData().getBusinessRemote())); |
| } |
| |
| Collection<ExecutableElement> definedMethods = new ArrayList<>(); |
| for (TypeElement iface : localInterfaces) { |
| definedMethods.addAll(ElementFilter.methodsIn(iface.getEnclosedElements())); |
| } |
| for (TypeElement iface : remoteInterfaces) { |
| definedMethods.addAll(ElementFilter.methodsIn(iface.getEnclosedElements())); |
| } |
| |
| Map<String, ArrayList<ExecutableElement>> definedMethodsByName = new HashMap<>(); |
| |
| for (ExecutableElement method : definedMethods) { |
| String hashName = method.getSimpleName().toString(); |
| if (!definedMethodsByName.containsKey(hashName)) { |
| definedMethodsByName.put(hashName, new ArrayList<ExecutableElement>(1)); |
| } |
| definedMethodsByName.get(hashName).add(method); |
| } |
| |
| for (ExecutableElement method : ElementFilter.methodsIn(ctx.getClazz().getEnclosedElements())) { |
| if (isEligibleMethod(method)) { |
| ArrayList<ExecutableElement> potentialMatches = definedMethodsByName.get(method.getSimpleName().toString()); |
| |
| if (potentialMatches != null && !potentialMatches.isEmpty()) { |
| if (isFoundMatchingMethodSignature(hintContext.getInfo(), method, potentialMatches)) { |
| continue; |
| } |
| } |
| |
| ArrayList<Fix> fixes = new ArrayList<>(); |
| for (TypeElement iface : localInterfaces) { |
| Fix fix = new ExposeBusinessMethod( |
| ctx.getFileObject(), |
| ElementHandle.create(iface), |
| ElementHandle.create(method), |
| true); |
| fixes.add(fix); |
| } |
| |
| for (TypeElement iface : remoteInterfaces) { |
| Fix fix = new ExposeBusinessMethod( |
| ctx.getFileObject(), |
| ElementHandle.create(iface), |
| ElementHandle.create(method), |
| false); |
| fixes.add(fix); |
| } |
| |
| ErrorDescription err = HintsUtils.createProblem(method, hintContext.getInfo(), |
| Bundle.BusinessMethodExposed_hint(), Severity.HINT, fixes); |
| |
| problems.add(err); |
| } |
| } |
| return problems; |
| } |
| |
| return problems; |
| } |
| |
| private static boolean isFoundMatchingMethodSignature(CompilationInfo cinfo, ExecutableElement method, ArrayList<ExecutableElement> potentialMatches) { |
| for (ExecutableElement potentialMatch : potentialMatches) { |
| if (JavaUtils.isMethodSignatureSame(cinfo, method, potentialMatch)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static Collection<TypeElement> resolveClasses(CompilationInfo info, String classNames[]) { |
| Collection<TypeElement> result = new ArrayList<>(); |
| |
| if (classNames != null) { |
| for (String className : classNames) { |
| TypeElement clazz = info.getElements().getTypeElement(className); |
| |
| if (clazz != null) { |
| result.add(clazz); |
| addInterfaces(info, result, clazz.getInterfaces()); |
| } |
| } |
| } |
| return result; |
| } |
| |
| private static void addInterfaces(CompilationInfo info, Collection<TypeElement> result, List<? extends TypeMirror> interfaces) { |
| for (TypeMirror inter : interfaces) { |
| TypeElement te = (TypeElement) info.getTypes().asElement(inter); |
| result.add(te); |
| addInterfaces(info, result, te.getInterfaces()); |
| } |
| } |
| |
| private static boolean isEligibleMethod(ExecutableElement method) { |
| // if ThrownTypes, Parameters, ReturnType are unknown |
| // then don't offer the hint, see issue #195061 |
| return method.getModifiers().contains(Modifier.PUBLIC) |
| && !method.getModifiers().contains(Modifier.STATIC) |
| && HintsUtils.isContainingKnownClasses(method); |
| } |
| } |