| /* |
| * 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.jpa.verification.rules.entity; |
| |
| import com.sun.source.tree.Tree; |
| import java.io.IOException; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.util.ElementFilter; |
| import org.netbeans.modules.j2ee.jpa.model.JPAAnnotations; |
| import org.netbeans.modules.j2ee.jpa.model.ModelUtils; |
| import org.netbeans.modules.j2ee.jpa.verification.JPAProblemContext; |
| import org.netbeans.modules.j2ee.metadata.model.api.MetadataModel; |
| import org.netbeans.modules.j2ee.metadata.model.api.MetadataModelAction; |
| import org.netbeans.modules.j2ee.persistence.api.metadata.orm.Entity; |
| import org.netbeans.modules.j2ee.persistence.api.metadata.orm.EntityMappingsMetadata; |
| import org.netbeans.modules.j2ee.persistence.api.metadata.orm.IdClass; |
| import org.netbeans.modules.j2ee.persistence.api.metadata.orm.MappedSuperclass; |
| import org.netbeans.spi.editor.hints.ErrorDescription; |
| import org.netbeans.spi.editor.hints.Severity; |
| import org.netbeans.spi.java.hints.ErrorDescriptionFactory; |
| import org.netbeans.spi.java.hints.Hint; |
| import org.netbeans.spi.java.hints.HintContext; |
| import org.netbeans.spi.java.hints.TriggerPattern; |
| import org.openide.util.NbBundle; |
| |
| /** |
| * @author Sanjeeb.Sahoo@Sun.COM |
| * @author Tomasz.Slota@Sun.COM |
| */ |
| @Hint(id = "o.n.m.j2ee.jpa.verification.IdClassOverridesEqualsAndHashCode", |
| displayName = "#MSG_IdClassDoesNotOverrideEquals", |
| description = "#MSG_IdClassDoesNotOverrideEquals", |
| category = "javaee/jpa", |
| enabled = true, |
| severity = Severity.ERROR, |
| suppressWarnings = "IdClassOverridesEqualsAndHashCode") |
| //@NbBundle.Messages({ |
| // "IdClassOverridesEqualsAndHashCode.display.name=Verify entity have defined promary key", |
| // "IdClassOverridesEqualsAndHashCode.desc=Id is required for entities"}) |
| public class IdClassOverridesEqualsAndHashCode { |
| |
| @TriggerPattern(value = JPAAnnotations.ID_CLASS)//NOI18N |
| public static ErrorDescription apply(HintContext hc){ |
| |
| if (hc.isCanceled() || (hc.getPath().getLeaf().getKind() != Tree.Kind.IDENTIFIER || hc.getPath().getParentPath().getLeaf().getKind() != Tree.Kind.ANNOTATION)) {//NOI18N |
| return null;//we pass only if it is an annotation |
| } |
| |
| final JPAProblemContext ctx = ModelUtils.getOrCreateCachedContext(hc); |
| |
| if (ctx == null || hc.isCanceled()) { |
| return null; |
| } |
| boolean hasEquals = false; |
| boolean hasHashCode = false; |
| |
| final IdClass[] idclass = {null}; |
| try { |
| MetadataModel<EntityMappingsMetadata> model = ModelUtils.getModel(hc.getInfo().getFileObject()); |
| model.runReadAction(new MetadataModelAction<EntityMappingsMetadata, Void>() { |
| @Override |
| public Void run(EntityMappingsMetadata metadata) { |
| if(ctx.getModelElement() instanceof Entity) { |
| idclass[0] = ((Entity) ctx.getModelElement()).getIdClass(); |
| |
| } else if (ctx.getModelElement() instanceof MappedSuperclass) { |
| idclass[0] = ((MappedSuperclass) ctx.getModelElement()).getIdClass(); |
| } |
| return null; |
| } |
| }); |
| } catch (IOException ex) { |
| } |
| |
| |
| |
| if(idclass[0] == null) { |
| return null; |
| } |
| String className = idclass[0].getClass2(); |
| // this may happen when the id class is not (yet) defined |
| if (className == null) { |
| return null; |
| } |
| |
| TypeElement subject = hc.getInfo().getElements().getTypeElement(className); |
| |
| if(subject == null) { |
| return null; |
| } |
| |
| for (ExecutableElement method : ElementFilter.methodsIn(subject.getEnclosedElements())){ |
| String methodName = method.getSimpleName().toString(); |
| |
| if ("equals".equals(methodName) //NOI18N |
| && method.getParameters().size() == 1){ |
| |
| if ("java.lang.Object".equals(method.getParameters().get(0).asType().toString())){ //NOI18N |
| hasEquals = true; |
| } |
| } |
| else{ |
| if ("hashCode".equals(methodName) && method.getParameters().size() == 0){ //NOI18N |
| hasHashCode = true; |
| } |
| } |
| |
| if (hasHashCode && hasEquals){ |
| return null; |
| } |
| } |
| |
| return ErrorDescriptionFactory.forTree( |
| hc, |
| hc.getPath().getParentPath(), |
| NbBundle.getMessage(IdDefinedInHierarchy.class, "MSG_IdClassDoesNotOverrideEquals")); |
| |
| } |
| } |