blob: 00a93bcc75259db6f53b521c2a38629914ac444e [file] [log] [blame]
/*
* 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);
}
}