| /******************************************************************************* |
| * Copyright (c) 2008, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.api.tools.internal.builder; |
| |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.core.Flags; |
| import org.eclipse.jdt.core.IField; |
| import org.eclipse.jdt.core.ISourceRange; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.Position; |
| import org.eclipse.pde.api.tools.internal.provisional.ApiPlugin; |
| import org.eclipse.pde.api.tools.internal.provisional.IApiAnnotations; |
| import org.eclipse.pde.api.tools.internal.provisional.IApiDescription; |
| import org.eclipse.pde.api.tools.internal.provisional.RestrictionModifiers; |
| import org.eclipse.pde.api.tools.internal.provisional.builder.IReference; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IElementDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiField; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiType; |
| import org.eclipse.pde.api.tools.internal.provisional.problems.IApiProblem; |
| import org.eclipse.pde.api.tools.internal.provisional.problems.IApiProblemTypes; |
| |
| /** |
| * Detects leaked field declarations (declared type). |
| * |
| * @since 1.1 |
| */ |
| public class LeakFieldProblemDetector extends AbstractTypeLeakDetector { |
| |
| /** |
| * @param nonApiPackageNames |
| */ |
| public LeakFieldProblemDetector(Set<String> nonApiPackageNames) { |
| super(nonApiPackageNames); |
| } |
| |
| @Override |
| protected boolean isApplicable(IApiAnnotations annotations) { |
| return super.isApplicable(annotations) && !RestrictionModifiers.isReferenceRestriction(annotations.getRestrictions()); |
| } |
| |
| @Override |
| public int getReferenceKinds() { |
| return IReference.REF_FIELDDECL; |
| } |
| |
| @Override |
| protected int getElementType(IReference reference) { |
| return IElementDescriptor.FIELD; |
| } |
| |
| @Override |
| protected String getSeverityKey() { |
| return IApiProblemTypes.LEAK_FIELD_DECL; |
| } |
| |
| @Override |
| protected int getProblemFlags(IReference reference) { |
| return IApiProblem.LEAK_FIELD; |
| } |
| |
| @Override |
| protected boolean isProblem(IReference reference) { |
| if (super.isProblem(reference)) { |
| IApiField field = (IApiField) reference.getMember(); |
| if ((Flags.AccProtected & field.getModifiers()) > 0) { |
| // TODO: could do this check before resolution - it's a check on |
| // the source location |
| // ignore protected members if contained in a @noextend type |
| try { |
| IApiDescription description = field.getApiComponent().getApiDescription(); |
| IApiAnnotations annotations = description.resolveAnnotations(field.getHandle().getEnclosingType()); |
| if (annotations == null || RestrictionModifiers.isExtendRestriction(annotations.getRestrictions())) { |
| return false; |
| } |
| } catch (CoreException e) { |
| ApiPlugin.log(e); |
| } |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| protected String[] getMessageArgs(IReference reference) throws CoreException { |
| IApiField field = (IApiField) reference.getMember(); |
| IApiType type = (IApiType) reference.getResolvedReference(); |
| return new String[] { |
| getSimpleTypeName(type), getSimpleTypeName(field), |
| field.getName() }; |
| } |
| |
| @Override |
| protected String[] getQualifiedMessageArgs(IReference reference) throws CoreException { |
| IApiField field = (IApiField) reference.getMember(); |
| IApiType type = (IApiType) reference.getResolvedReference(); |
| return new String[] { |
| getQualifiedTypeName(type), getQualifiedTypeName(field), |
| field.getName() }; |
| } |
| |
| @Override |
| protected Position getSourceRange(IType type, IDocument doc, IReference reference) throws CoreException, BadLocationException { |
| IApiField field = (IApiField) reference.getMember(); |
| IField javaField = type.getField(field.getName()); |
| Position pos = null; |
| if (javaField.exists()) { |
| ISourceRange range = javaField.getNameRange(); |
| if (range != null) { |
| pos = new Position(range.getOffset(), range.getLength()); |
| } |
| } |
| if (pos == null) { |
| return defaultSourcePosition(type, reference); |
| } |
| return pos; |
| } |
| } |