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QuickAssistProcessor.java
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QuickAssistProcessor.java
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/*******************************************************************************
* Copyright (c) 2000, 2023 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
* Sebastian Davids <sdavids@gmx.de> - Bug 37432 getInvertEqualsProposal
* Benjamin Muskalla <b.muskalla@gmx.net> - Bug 36350 convertToStringBufferPropsal
* Chris West (Faux) <eclipse@goeswhere.com> - [quick assist] "Use 'StringBuilder' for string concatenation" could fix existing misuses - https://bugs.eclipse.org/bugs/show_bug.cgi?id=282755
* Lukas Hanke <hanke@yatta.de> - Bug 241696 [quick fix] quickfix to iterate over a collection - https://bugs.eclipse.org/bugs/show_bug.cgi?id=241696
* Eugene Lucash <e.lucash@gmail.com> - [quick assist] Add key binding for Extract method Quick Assist - https://bugs.eclipse.org/424166
* Lukas Hanke <hanke@yatta.de> - Bug 430818 [1.8][quick fix] Quick fix for "for loop" is not shown for bare local variable/argument/field - https://bugs.eclipse.org/bugs/show_bug.cgi?id=430818
* Jeremie Bresson <dev@jmini.fr> - Bug 439912: [1.8][quick assist] Add quick assists to add and remove parentheses around single lambda parameter - https://bugs.eclipse.org/439912
* Jens Reimann <jens.reimann@ibh-systems.com>, Fabian Pfaff <fabian.pfaff@vogella.com> - Bug 197850: [quick assist] Add import static field/method - https://bugs.eclipse.org/bugs/show_bug.cgi?id=197850
* Pierre-Yves B. <pyvesdev@gmail.com> - [inline] Allow inlining of local variable initialized to null. - https://bugs.eclipse.org/93850
* Red Hat Inc. - refactor some static methods to QuickAssistProcessorUtil class in jdt.core.manipulation
* Red Hat Inc - separate core logic from UI images
*******************************************************************************/
package org.eclipse.jdt.internal.ui.text.correction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.graphics.Image;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.text.link.LinkedPositionGroup;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.preferences.WorkingCopyManager;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.NullChange;
import org.eclipse.ltk.core.refactoring.Refactoring;
import org.eclipse.jdt.core.Flags;
import org.eclipse.jdt.core.IBuffer;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaModelMarker;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.NamingConventions;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.ASTVisitor;
import org.eclipse.jdt.core.dom.AbstractTypeDeclaration;
import org.eclipse.jdt.core.dom.AnonymousClassDeclaration;
import org.eclipse.jdt.core.dom.ArrayAccess;
import org.eclipse.jdt.core.dom.ArrayCreation;
import org.eclipse.jdt.core.dom.ArrayInitializer;
import org.eclipse.jdt.core.dom.ArrayType;
import org.eclipse.jdt.core.dom.Assignment;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.CatchClause;
import org.eclipse.jdt.core.dom.ChildListPropertyDescriptor;
import org.eclipse.jdt.core.dom.ClassInstanceCreation;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.Dimension;
import org.eclipse.jdt.core.dom.DoStatement;
import org.eclipse.jdt.core.dom.EnhancedForStatement;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jdt.core.dom.ExpressionStatement;
import org.eclipse.jdt.core.dom.FieldAccess;
import org.eclipse.jdt.core.dom.FieldDeclaration;
import org.eclipse.jdt.core.dom.ForStatement;
import org.eclipse.jdt.core.dom.IBinding;
import org.eclipse.jdt.core.dom.IMethodBinding;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.IVariableBinding;
import org.eclipse.jdt.core.dom.IfStatement;
import org.eclipse.jdt.core.dom.ImportDeclaration;
import org.eclipse.jdt.core.dom.InfixExpression;
import org.eclipse.jdt.core.dom.Initializer;
import org.eclipse.jdt.core.dom.LabeledStatement;
import org.eclipse.jdt.core.dom.LambdaExpression;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.MethodReference;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.Name;
import org.eclipse.jdt.core.dom.NameQualifiedType;
import org.eclipse.jdt.core.dom.NumberLiteral;
import org.eclipse.jdt.core.dom.ParameterizedType;
import org.eclipse.jdt.core.dom.ParenthesizedExpression;
import org.eclipse.jdt.core.dom.PostfixExpression;
import org.eclipse.jdt.core.dom.PrimitiveType;
import org.eclipse.jdt.core.dom.QualifiedName;
import org.eclipse.jdt.core.dom.SimpleName;
import org.eclipse.jdt.core.dom.SimpleType;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.Statement;
import org.eclipse.jdt.core.dom.StructuralPropertyDescriptor;
import org.eclipse.jdt.core.dom.SuperMethodInvocation;
import org.eclipse.jdt.core.dom.SwitchCase;
import org.eclipse.jdt.core.dom.SwitchExpression;
import org.eclipse.jdt.core.dom.SwitchStatement;
import org.eclipse.jdt.core.dom.SynchronizedStatement;
import org.eclipse.jdt.core.dom.ThrowStatement;
import org.eclipse.jdt.core.dom.TryStatement;
import org.eclipse.jdt.core.dom.Type;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import org.eclipse.jdt.core.dom.UnionType;
import org.eclipse.jdt.core.dom.VariableDeclaration;
import org.eclipse.jdt.core.dom.VariableDeclarationExpression;
import org.eclipse.jdt.core.dom.VariableDeclarationFragment;
import org.eclipse.jdt.core.dom.VariableDeclarationStatement;
import org.eclipse.jdt.core.dom.WhileStatement;
import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite.ImportRewriteContext;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite.TypeLocation;
import org.eclipse.jdt.core.dom.rewrite.ListRewrite;
import org.eclipse.jdt.internal.core.manipulation.StubUtility;
import org.eclipse.jdt.internal.core.manipulation.dom.ASTResolving;
import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels;
import org.eclipse.jdt.internal.core.manipulation.util.Strings;
import org.eclipse.jdt.internal.corext.codemanipulation.ContextSensitiveImportRewriteContext;
import org.eclipse.jdt.internal.corext.dom.ASTNodeFactory;
import org.eclipse.jdt.internal.corext.dom.ASTNodes;
import org.eclipse.jdt.internal.corext.dom.Bindings;
import org.eclipse.jdt.internal.corext.dom.CodeScopeBuilder;
import org.eclipse.jdt.internal.corext.dom.DimensionRewrite;
import org.eclipse.jdt.internal.corext.dom.ModifierRewrite;
import org.eclipse.jdt.internal.corext.dom.Selection;
import org.eclipse.jdt.internal.corext.dom.SelectionAnalyzer;
import org.eclipse.jdt.internal.corext.dom.TokenScanner;
import org.eclipse.jdt.internal.corext.fix.AddInferredLambdaParameterTypesFixCore;
import org.eclipse.jdt.internal.corext.fix.AddMissingMethodDeclarationFixCore;
import org.eclipse.jdt.internal.corext.fix.AddVarLambdaParameterTypesFixCore;
import org.eclipse.jdt.internal.corext.fix.ChangeLambdaBodyToBlockFixCore;
import org.eclipse.jdt.internal.corext.fix.ChangeLambdaBodyToExpressionFixCore;
import org.eclipse.jdt.internal.corext.fix.CleanUpConstants;
import org.eclipse.jdt.internal.corext.fix.ControlStatementsFix;
import org.eclipse.jdt.internal.corext.fix.ConvertLambdaToMethodReferenceFixCore;
import org.eclipse.jdt.internal.corext.fix.ConvertLoopFixCore;
import org.eclipse.jdt.internal.corext.fix.DoWhileRatherThanWhileFixCore;
import org.eclipse.jdt.internal.corext.fix.FixMessages;
import org.eclipse.jdt.internal.corext.fix.IProposableFix;
import org.eclipse.jdt.internal.corext.fix.InlineMethodFixCore;
import org.eclipse.jdt.internal.corext.fix.InvertEqualsExpressionFixCore;
import org.eclipse.jdt.internal.corext.fix.JoinVariableFixCore;
import org.eclipse.jdt.internal.corext.fix.LambdaExpressionsFixCore;
import org.eclipse.jdt.internal.corext.fix.LinkedProposalModelCore;
import org.eclipse.jdt.internal.corext.fix.RemoveVarOrInferredLambdaParameterTypesFixCore;
import org.eclipse.jdt.internal.corext.fix.SplitVariableFixCore;
import org.eclipse.jdt.internal.corext.fix.StringConcatToTextBlockFixCore;
import org.eclipse.jdt.internal.corext.fix.SwitchExpressionsFixCore;
import org.eclipse.jdt.internal.corext.fix.TypeParametersFixCore;
import org.eclipse.jdt.internal.corext.fix.UnnecessaryArrayCreationFix;
import org.eclipse.jdt.internal.corext.fix.VariableDeclarationFixCore;
import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester;
import org.eclipse.jdt.internal.corext.refactoring.code.ConvertAnonymousToNestedRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.code.ExtractConstantRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.code.ExtractMethodRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.code.ExtractTempRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.code.InlineTempRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.code.PromoteTempToFieldRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.structure.ImportRemover;
import org.eclipse.jdt.internal.corext.refactoring.surround.SurroundWithTryWithResourcesAnalyzer;
import org.eclipse.jdt.internal.corext.refactoring.surround.SurroundWithTryWithResourcesRefactoringCore;
import org.eclipse.jdt.internal.corext.refactoring.util.TightSourceRangeComputer;
import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
import org.eclipse.jdt.internal.corext.util.Messages;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.cleanup.CleanUpOptions;
import org.eclipse.jdt.ui.cleanup.ICleanUp;
import org.eclipse.jdt.ui.text.java.IInvocationContext;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.IProblemLocation;
import org.eclipse.jdt.ui.text.java.IQuickAssistProcessor;
import org.eclipse.jdt.ui.text.java.correction.ASTRewriteCorrectionProposal;
import org.eclipse.jdt.ui.text.java.correction.ChangeCorrectionProposal;
import org.eclipse.jdt.ui.text.java.correction.ICommandAccess;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jdt.internal.ui.fix.ControlStatementsCleanUp;
import org.eclipse.jdt.internal.ui.fix.ConvertLoopCleanUp;
import org.eclipse.jdt.internal.ui.fix.DoWhileRatherThanWhileCleanUp;
import org.eclipse.jdt.internal.ui.fix.LambdaExpressionsCleanUp;
import org.eclipse.jdt.internal.ui.fix.StringConcatToTextBlockCleanUp;
import org.eclipse.jdt.internal.ui.fix.SwitchExpressionsCleanUp;
import org.eclipse.jdt.internal.ui.fix.TypeParametersCleanUp;
import org.eclipse.jdt.internal.ui.fix.UnnecessaryArrayCreationCleanUp;
import org.eclipse.jdt.internal.ui.fix.VariableDeclarationCleanUp;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock;
import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock.Key;
import org.eclipse.jdt.internal.ui.text.correction.proposals.ASTRewriteRemoveImportsCorrectionProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.AddStaticFavoriteProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.AssignToVariableAssistProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.ConvertFieldNamingConventionProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.FixCorrectionProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.GenerateForLoopAssistProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.LinkedCorrectionProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.LinkedNamesAssistProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.NewDefiningMethodProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.NewInterfaceImplementationProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.RefactoringCorrectionProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.RefactoringCorrectionProposalCore;
import org.eclipse.jdt.internal.ui.text.correction.proposals.RenameRefactoringProposal;
import org.eclipse.jdt.internal.ui.text.correction.proposals.TypeChangeCorrectionProposal;
import org.eclipse.jdt.internal.ui.util.ASTHelper;
import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider;
public class QuickAssistProcessor implements IQuickAssistProcessor {
public static final String SPLIT_JOIN_VARIABLE_DECLARATION_ID= "org.eclipse.jdt.ui.correction.splitJoinVariableDeclaration.assist"; //$NON-NLS-1$
public static final String CONVERT_FOR_LOOP_ID= "org.eclipse.jdt.ui.correction.convertForLoop.assist"; //$NON-NLS-1$
public static final String ASSIGN_TO_LOCAL_ID= "org.eclipse.jdt.ui.correction.assignToLocal.assist"; //$NON-NLS-1$
public static final String ASSIGN_IN_TRY_WITH_RESOURCES_ID= "org.eclipse.jdt.ui.correction.assignInTryWithResources.assist"; //$NON-NLS-1$
public static final String ASSIGN_TO_FIELD_ID= "org.eclipse.jdt.ui.correction.assignToField.assist"; //$NON-NLS-1$
public static final String ASSIGN_PARAM_TO_FIELD_ID= "org.eclipse.jdt.ui.correction.assignParamToField.assist"; //$NON-NLS-1$
public static final String ASSIGN_ALL_PARAMS_TO_NEW_FIELDS_ID= "org.eclipse.jdt.ui.correction.assignAllParamsToNewFields.assist"; //$NON-NLS-1$
public static final String ADD_BLOCK_ID= "org.eclipse.jdt.ui.correction.addBlock.assist"; //$NON-NLS-1$
public static final String EXTRACT_LOCAL_ID= "org.eclipse.jdt.ui.correction.extractLocal.assist"; //$NON-NLS-1$
public static final String EXTRACT_LOCAL_NOT_REPLACE_ID= "org.eclipse.jdt.ui.correction.extractLocalNotReplaceOccurrences.assist"; //$NON-NLS-1$
public static final String EXTRACT_CONSTANT_ID= "org.eclipse.jdt.ui.correction.extractConstant.assist"; //$NON-NLS-1$
public static final String INLINE_LOCAL_ID= "org.eclipse.jdt.ui.correction.inlineLocal.assist"; //$NON-NLS-1$
public static final String CONVERT_LOCAL_TO_FIELD_ID= "org.eclipse.jdt.ui.correction.convertLocalToField.assist"; //$NON-NLS-1$
public static final String CONVERT_ANONYMOUS_TO_LOCAL_ID= "org.eclipse.jdt.ui.correction.convertAnonymousToLocal.assist"; //$NON-NLS-1$
public static final String CONVERT_TO_STRING_BUFFER_ID= "org.eclipse.jdt.ui.correction.convertToStringBuffer.assist"; //$NON-NLS-1$
public static final String CONVERT_TO_MESSAGE_FORMAT_ID= "org.eclipse.jdt.ui.correction.convertToMessageFormat.assist"; //$NON-NLS-1$
public static final String CONVERT_TO_STRING_FORMAT_ID= "org.eclipse.jdt.ui.correction.convertToStringFormat.assist"; //$NON-NLS-1$
public static final String EXTRACT_METHOD_INPLACE_ID= "org.eclipse.jdt.ui.correction.extractMethodInplace.assist"; //$NON-NLS-1$
public static final String REMOVE_UNNECESSARY_ARRAY_CREATION_ID= "org.eclipse.jdt.ui.correction.removeArrayCreation.assist"; //$NON-NLS-1$
public static final String FIELD_NAMING_CONVENTION_ID= "org.eclipse.jdt.ui.correction.convertToConstantNamingConvention.assist"; //$NON-NLS-1$
public static final Pattern FIELD_NAMING_PATTERN= Pattern.compile("^[A-Z0-9]+(_[A-Z0-9]+)*$"); //$NON-NLS-1$
public QuickAssistProcessor() {
super();
}
@Override
public boolean hasAssists(IInvocationContext context) throws CoreException {
ASTNode coveringNode= context.getCoveringNode();
if (coveringNode != null) {
ArrayList<ASTNode> coveredNodes= AdvancedQuickAssistProcessor.getFullyCoveredNodes(context, coveringNode);
return getCatchClauseToThrowsProposals(context, coveringNode, null)
|| getPickoutTypeFromMulticatchProposals(context, coveringNode, coveredNodes, null)
|| getConvertToMultiCatchProposals(context, coveringNode, null)
|| getUnrollMultiCatchProposals(context, coveringNode, null)
|| getRenameLocalProposals(context, coveringNode, null, null)
|| getRenameRefactoringProposal(context, coveringNode, null, null)
|| getAssignToVariableProposals(context, coveringNode, null, null)
|| getUnWrapProposals(context, coveringNode, null)
|| getAssignParamToFieldProposals(context, coveringNode, null)
|| getAssignAllParamsToFieldsProposals(context, coveringNode, null)
|| getJoinVariableProposals(context, coveringNode, null)
|| getAddFinallyProposals(context, coveringNode, null)
|| getAddElseProposals(context, coveringNode, null)
|| getSplitVariableProposals(context, coveringNode, null)
|| getAddBlockProposals(context, coveringNode, null)
|| getTryWithResourceProposals(context, coveringNode, null, null)
|| getArrayInitializerToArrayCreation(context, coveringNode, null)
|| getCreateInSuperClassProposals(context, coveringNode, null)
|| getInvertEqualsProposal(context, coveringNode, null)
|| getConvertForLoopProposal(context, coveringNode, null)
|| getConvertIterableLoopProposal(context, coveringNode, null)
|| getConvertEnhancedForLoopProposal(context, coveringNode, null)
|| getGenerateForLoopProposals(context, coveringNode, null, null)
|| getUnnecessaryArrayCreationProposal(context, coveringNode, null)
|| getExtractVariableProposal(context, false, null)
|| getExtractMethodProposal(context, coveringNode, false, null)
|| getExtractMethodFromLambdaProposal(context, coveringNode, false, null)
|| getInlineLocalProposal(context, coveringNode, null)
|| getConvertFieldNamingConventionProposal(context, coveringNode, null)
|| getConvertLocalToFieldProposal(context, coveringNode, null)
|| getConvertAnonymousToNestedProposal(context, coveringNode, null)
|| getConvertAnonymousClassCreationsToLambdaProposals(context, coveringNode, null)
|| getConvertLambdaToAnonymousClassCreationsProposals(context, coveringNode, null)
|| getChangeLambdaBodyToBlockProposal(context, coveringNode, null)
|| getChangeLambdaBodyToExpressionProposal(context, coveringNode, null)
|| getAddInferredLambdaParameterTypes(context, coveringNode, null)
|| getAddVarLambdaParameterTypes(context, coveringNode, null)
|| getAddMethodDeclaration(context, coveringNode, null)
|| getRemoveVarOrInferredLambdaParameterTypes(context, coveringNode, null)
|| getConvertMethodReferenceToLambdaProposal(context, coveringNode, null)
|| getConvertLambdaToMethodReferenceProposal(context, coveringNode, null)
|| getConvertToSwitchExpressionProposals(context, coveringNode, null)
|| getFixParenthesesInLambdaExpression(context, coveringNode, null)
|| getRemoveBlockProposals(context, coveringNode, null)
|| getMakeVariableDeclarationFinalProposals(context, null)
|| getMissingCaseStatementProposals(context, coveringNode, null)
|| ConvertStringConcatenationProposals.getProposals(context, null)
|| getInferDiamondArgumentsProposal(context, coveringNode, null, null)
|| getJUnitTestCaseProposal(context, coveringNode, null)
|| getNewImplementationProposal(context, coveringNode, null)
|| getNewInterfaceImplementationProposal(context, coveringNode, null)
|| getAddStaticImportProposals(context, coveringNode, null)
|| getDoWhileRatherThanWhileProposal(context, coveringNode, null)
|| getStringConcatToTextBlockProposal(context, coveringNode, null)
|| getAddStaticMemberFavoritesProposals(coveringNode, null)
|| getSplitSwitchLabelProposal(context, coveringNode, null)
|| getDeprecatedProposal(context, coveringNode, null, null);
}
return false;
}
@Override
public IJavaCompletionProposal[] getAssists(IInvocationContext context, IProblemLocation[] locations) throws CoreException {
ASTNode coveringNode= context.getCoveringNode();
if (coveringNode != null) {
ArrayList<ASTNode> coveredNodes= AdvancedQuickAssistProcessor.getFullyCoveredNodes(context, coveringNode);
ArrayList<ICommandAccess> resultingCollections= new ArrayList<>();
boolean noErrorsAtLocation= noErrorsAtLocation(locations);
// quick assists that show up also if there is an error/warning
getRenameLocalProposals(context, coveringNode, locations, resultingCollections);
getRenameRefactoringProposal(context, coveringNode, locations, resultingCollections);
getAssignToVariableProposals(context, coveringNode, locations, resultingCollections);
getAssignParamToFieldProposals(context, coveringNode, resultingCollections);
getAssignAllParamsToFieldsProposals(context, coveringNode, resultingCollections);
getInferDiamondArgumentsProposal(context, coveringNode, locations, resultingCollections);
getGenerateForLoopProposals(context, coveringNode, locations, resultingCollections);
getJUnitTestCaseProposal(context, coveringNode, resultingCollections);
getNewImplementationProposal(context, coveringNode, resultingCollections);
getNewInterfaceImplementationProposal(context, coveringNode, resultingCollections);
getSplitSwitchLabelProposal(context, coveringNode, resultingCollections);
getAddMethodDeclaration(context, coveringNode, resultingCollections);
getDeprecatedProposal(context, coveringNode, locations, resultingCollections);
if (noErrorsAtLocation) {
boolean problemsAtLocation= locations.length != 0;
getCatchClauseToThrowsProposals(context, coveringNode, resultingCollections);
getPickoutTypeFromMulticatchProposals(context, coveringNode, coveredNodes, resultingCollections);
getConvertToMultiCatchProposals(context, coveringNode, resultingCollections);
getUnrollMultiCatchProposals(context, coveringNode, resultingCollections);
getTryWithResourceAssistProposals(locations, context, coveringNode, coveredNodes, resultingCollections);
getUnWrapProposals(context, coveringNode, resultingCollections);
getJoinVariableProposals(context, coveringNode, resultingCollections);
getSplitVariableProposals(context, coveringNode, resultingCollections);
getAddFinallyProposals(context, coveringNode, resultingCollections);
getAddElseProposals(context, coveringNode, resultingCollections);
getAddBlockProposals(context, coveringNode, resultingCollections);
getInvertEqualsProposal(context, coveringNode, resultingCollections);
getArrayInitializerToArrayCreation(context, coveringNode, resultingCollections);
getCreateInSuperClassProposals(context, coveringNode, resultingCollections);
getExtractVariableProposal(context, problemsAtLocation, resultingCollections);
getExtractMethodProposal(context, coveringNode, problemsAtLocation, resultingCollections);
getExtractMethodFromLambdaProposal(context, coveringNode, problemsAtLocation, resultingCollections);
getInlineLocalProposal(context, coveringNode, resultingCollections);
getConvertFieldNamingConventionProposal(context, coveringNode, resultingCollections);
getConvertLocalToFieldProposal(context, coveringNode, resultingCollections);
getConvertAnonymousToNestedProposal(context, coveringNode, resultingCollections);
getConvertAnonymousClassCreationsToLambdaProposals(context, coveringNode, resultingCollections);
getConvertLambdaToAnonymousClassCreationsProposals(context, coveringNode, resultingCollections);
getChangeLambdaBodyToBlockProposal(context, coveringNode, resultingCollections);
getChangeLambdaBodyToExpressionProposal(context, coveringNode, resultingCollections);
getAddInferredLambdaParameterTypes(context, coveringNode, resultingCollections);
getAddVarLambdaParameterTypes(context, coveringNode, resultingCollections);
getRemoveVarOrInferredLambdaParameterTypes(context, coveringNode, resultingCollections);
getConvertMethodReferenceToLambdaProposal(context, coveringNode, resultingCollections);
getConvertLambdaToMethodReferenceProposal(context, coveringNode, resultingCollections);
getFixParenthesesInLambdaExpression(context, coveringNode, resultingCollections);
if (!getConvertForLoopProposal(context, coveringNode, resultingCollections))
getConvertIterableLoopProposal(context, coveringNode, resultingCollections);
getUnnecessaryArrayCreationProposal(context, coveringNode, resultingCollections);
getConvertEnhancedForLoopProposal(context, coveringNode, resultingCollections);
getRemoveBlockProposals(context, coveringNode, resultingCollections);
getMakeVariableDeclarationFinalProposals(context, resultingCollections);
ConvertStringConcatenationProposals.getProposals(context, resultingCollections);
getMissingCaseStatementProposals(context, coveringNode, resultingCollections);
getConvertVarTypeToResolvedTypeProposal(context, coveringNode, resultingCollections);
getConvertResolvedTypeToVarTypeProposal(context, coveringNode, resultingCollections);
getAddStaticImportProposals(context, coveringNode, resultingCollections);
getAddStaticMemberFavoritesProposals(coveringNode, resultingCollections);
getConvertToSwitchExpressionProposals(context, coveringNode, resultingCollections);
getDoWhileRatherThanWhileProposal(context, coveringNode, resultingCollections);
getStringConcatToTextBlockProposal(context, coveringNode, resultingCollections);
}
return resultingCollections.toArray(new IJavaCompletionProposal[resultingCollections.size()]);
}
return null;
}
static boolean noErrorsAtLocation(IProblemLocationCore[] locations) {
if (locations != null) {
for (IProblemLocationCore location : locations) {
if (location.isError()) {
if (IJavaModelMarker.JAVA_MODEL_PROBLEM_MARKER.equals(location.getMarkerType())
&& JavaCore.getOptionForConfigurableSeverity(location.getProblemId()) != null) {
// continue (only drop out for severe (non-optional) errors)
} else {
return false;
}
}
}
}
return true;
}
private static boolean getExtractMethodProposal(IInvocationContextCore context, ASTNode coveringNode, boolean problemsAtLocation, Collection<ICommandAccess> proposals) throws CoreException {
if (!(coveringNode instanceof Expression) && !(coveringNode instanceof Statement) && !(coveringNode instanceof Block)) {
return false;
}
if (coveringNode instanceof Block) {
List<Statement> statements= ((Block) coveringNode).statements();
int startIndex= QuickAssistProcessorUtil.getIndex(context.getSelectionOffset(), statements);
if (startIndex == -1)
return false;
int endIndex= QuickAssistProcessorUtil.getIndex(context.getSelectionOffset() + context.getSelectionLength(), statements);
if (endIndex == -1 || endIndex <= startIndex)
return false;
}
final ICompilationUnit cu= context.getCompilationUnit();
final ExtractMethodRefactoring extractMethodRefactoring= new ExtractMethodRefactoring(context.getASTRoot(), context.getSelectionOffset(), context.getSelectionLength());
extractMethodRefactoring.setMethodName("extracted"); //$NON-NLS-1$
if (extractMethodRefactoring.checkInitialConditions(new NullProgressMonitor()).isOK()) {
if (proposals == null) {
return true;
}
String label= CorrectionMessages.QuickAssistProcessor_extractmethod_description;
LinkedProposalModelCore linkedProposalModel= createProposalModel();
extractMethodRefactoring.setLinkedProposalModel(linkedProposalModel);
Image image= JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC);
int relevance= problemsAtLocation ? IProposalRelevance.EXTRACT_METHOD_ERROR : IProposalRelevance.EXTRACT_METHOD;
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposal(label, cu, extractMethodRefactoring, relevance, image);
proposal.setCommandId(EXTRACT_METHOD_INPLACE_ID);
proposal.setLinkedProposalModel(linkedProposalModel);
proposals.add(proposal);
return true;
}
return false;
}
private static boolean getExtractMethodFromLambdaProposal(IInvocationContextCore context, ASTNode coveringNode, boolean problemsAtLocation, Collection<ICommandAccess> proposals) throws CoreException {
if (coveringNode instanceof Block && coveringNode.getLocationInParent() == LambdaExpression.BODY_PROPERTY) {
return false;
}
ASTNode node= ASTNodes.getFirstAncestorOrNull(coveringNode, LambdaExpression.class, BodyDeclaration.class);
if (!(node instanceof LambdaExpression)) {
return false;
}
ASTNode body= ((LambdaExpression) node).getBody();
final ICompilationUnit cu= context.getCompilationUnit();
final ExtractMethodRefactoring extractMethodRefactoring= new ExtractMethodRefactoring(context.getASTRoot(), body.getStartPosition(), body.getLength());
extractMethodRefactoring.setMethodName("extracted"); //$NON-NLS-1$
if (extractMethodRefactoring.checkInitialConditions(new NullProgressMonitor()).isOK()) {
if (proposals == null) {
return true;
}
String label= CorrectionMessages.QuickAssistProcessor_extractmethod_from_lambda_description;
LinkedProposalModelCore linkedProposalModel= createProposalModel();
extractMethodRefactoring.setLinkedProposalModel(linkedProposalModel);
Image image= JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC);
int relevance= problemsAtLocation ? IProposalRelevance.EXTRACT_METHOD_ERROR : IProposalRelevance.EXTRACT_LAMBDA_BODY_TO_METHOD;
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposal(label, cu, extractMethodRefactoring, relevance, image);
proposal.setLinkedProposalModel(linkedProposalModel);
proposals.add(proposal);
return true;
}
return false;
}
private static boolean getExtractVariableProposal(IInvocationContextCore context, boolean problemsAtLocation, Collection<ICommandAccess> proposals) throws CoreException {
ASTNode node= context.getCoveredNode();
if (!(node instanceof Expression)) {
if (context.getSelectionLength() != 0) {
return false;
}
node= context.getCoveringNode();
if (!(node instanceof Expression)) {
return false;
}
}
final Expression expression= (Expression) node;
ITypeBinding binding= expression.resolveTypeBinding();
if (binding == null || Bindings.isVoidType(binding)) {
return false;
}
if (proposals == null) {
return true;
}
final ICompilationUnit cu= context.getCompilationUnit();
ExtractTempRefactoring extractTempRefactoring= new ExtractTempRefactoring(context.getASTRoot(), context.getSelectionOffset(), context.getSelectionLength());
if (extractTempRefactoring.checkInitialConditions(new NullProgressMonitor()).isOK()) {
extractTempRefactoring.setReplaceAllOccurrences(true);
LinkedProposalModelCore linkedProposalModel= createProposalModel();
extractTempRefactoring.setLinkedProposalModel(linkedProposalModel);
extractTempRefactoring.setCheckResultForCompileProblems(false);
String label= CorrectionMessages.QuickAssistProcessor_extract_to_local_all_description;
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
int relevance;
if (context.getSelectionLength() == 0) {
relevance= IProposalRelevance.EXTRACT_LOCAL_ALL_ZERO_SELECTION;
} else if (problemsAtLocation) {
relevance= IProposalRelevance.EXTRACT_LOCAL_ALL_ERROR;
} else {
relevance= IProposalRelevance.EXTRACT_LOCAL_ALL;
}
ExtractTempRefactoringProposalCore core= new ExtractTempRefactoringProposalCore(label, cu, extractTempRefactoring, relevance);
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposalExtension(label, cu, relevance, image, core);
proposal.setCommandId(EXTRACT_LOCAL_ID);
proposal.setLinkedProposalModel(linkedProposalModel);
proposals.add(proposal);
}
ExtractTempRefactoring extractTempRefactoringSelectedOnly= new ExtractTempRefactoring(context.getASTRoot(), context.getSelectionOffset(), context.getSelectionLength());
extractTempRefactoringSelectedOnly.setReplaceAllOccurrences(false);
if (extractTempRefactoringSelectedOnly.checkInitialConditions(new NullProgressMonitor()).isOK()) {
LinkedProposalModelCore linkedProposalModel= createProposalModel();
extractTempRefactoringSelectedOnly.setLinkedProposalModel(linkedProposalModel);
extractTempRefactoringSelectedOnly.setCheckResultForCompileProblems(false);
String label= CorrectionMessages.QuickAssistProcessor_extract_to_local_description;
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
int relevance;
if (context.getSelectionLength() == 0) {
relevance= IProposalRelevance.EXTRACT_LOCAL_ZERO_SELECTION;
} else if (problemsAtLocation) {
relevance= IProposalRelevance.EXTRACT_LOCAL_ERROR;
} else {
relevance= IProposalRelevance.EXTRACT_LOCAL;
}
ExtractTempRefactoringProposalCore core= new ExtractTempRefactoringProposalCore(label, cu, extractTempRefactoringSelectedOnly, relevance);
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposalExtension(label, cu, relevance, image, core);
proposal.setCommandId(EXTRACT_LOCAL_NOT_REPLACE_ID);
proposal.setLinkedProposalModel(linkedProposalModel);
proposals.add(proposal);
}
ExtractConstantRefactoring extractConstRefactoring= new ExtractConstantRefactoring(context.getASTRoot(), context.getSelectionOffset(), context.getSelectionLength());
if (extractConstRefactoring.checkInitialConditions(new NullProgressMonitor()).isOK()) {
LinkedProposalModelCore linkedProposalModel= createProposalModel();
extractConstRefactoring.setLinkedProposalModel(linkedProposalModel);
extractConstRefactoring.setCheckResultForCompileProblems(false);
String label= CorrectionMessages.QuickAssistProcessor_extract_to_constant_description;
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
int relevance;
if (context.getSelectionLength() == 0) {
relevance= IProposalRelevance.EXTRACT_CONSTANT_ZERO_SELECTION;
} else if (problemsAtLocation) {
relevance= IProposalRelevance.EXTRACT_CONSTANT_ERROR;
} else {
relevance= IProposalRelevance.EXTRACT_CONSTANT;
}
ExtractConstantRefactoringProposalCore core= new ExtractConstantRefactoringProposalCore(label, cu, extractConstRefactoring, relevance);
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposalExtension(label, cu, relevance, image, core);
proposal.setCommandId(EXTRACT_CONSTANT_ID);
proposal.setLinkedProposalModel(linkedProposalModel);
proposals.add(proposal);
}
return false;
}
private static class ExtractTempRefactoringProposalCore extends RefactoringCorrectionProposalCore {
public ExtractTempRefactoringProposalCore(String name, ICompilationUnit cu, Refactoring refactoring, int relevance) {
super(name, cu, refactoring, relevance);
}
@Override
protected void init(Refactoring refactoring) throws CoreException {
ExtractTempRefactoring etr= (ExtractTempRefactoring) refactoring;
etr.setTempName(etr.guessTempName()); // expensive
}
}
private static class ExtractConstantRefactoringProposalCore extends RefactoringCorrectionProposalCore {
public ExtractConstantRefactoringProposalCore(String name, ICompilationUnit cu, Refactoring refactoring, int relevance) {
super(name, cu, refactoring, relevance);
}
@Override
protected void init(Refactoring refactoring) throws CoreException {
ExtractConstantRefactoring etr= (ExtractConstantRefactoring) refactoring;
etr.setConstantName(etr.guessConstantName()); // expensive
}
}
private static class RefactoringCorrectionProposalExtension extends RefactoringCorrectionProposal {
public RefactoringCorrectionProposalExtension(String name, ICompilationUnit cu, int relevance, Image image, RefactoringCorrectionProposalCore delegate) {
super(name, cu, relevance, image, delegate);
}
}
private static boolean getDeprecatedProposal(IInvocationContextCore context, ASTNode node, IProblemLocationCore[] locations, Collection<ICommandAccess> proposals) {
// don't add if already added as quick fix
if (containsMatchingProblem(locations, IProblem.UsingDeprecatedMethod))
return false;
if (!(node instanceof MethodInvocation)) {
node= node.getParent();
if (!(node instanceof MethodInvocation)) {
return false;
}
}
MethodInvocation methodInvocation= (MethodInvocation) node;
if (!QuickAssistProcessorUtil.isDeprecatedMethodCallWithReplacement(methodInvocation)) {
return false;
}
if (proposals != null) {
IProposableFix fix= InlineMethodFixCore.create(FixMessages.InlineDeprecatedMethod_msg, (CompilationUnit) methodInvocation.getRoot(), methodInvocation);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
proposals.add(new FixCorrectionProposal(fix, null, IProposalRelevance.INLINE_DEPRECATED_METHOD, image, context));
}
}
return true;
}
private static boolean getConvertAnonymousToNestedProposal(IInvocationContextCore context, final ASTNode node, Collection<ICommandAccess> proposals) throws CoreException {
if (!(node instanceof Name))
return false;
ASTNode normalized= ASTNodes.getNormalizedNode(node);
if (normalized.getLocationInParent() != ClassInstanceCreation.TYPE_PROPERTY)
return false;
final AnonymousClassDeclaration anonymTypeDecl= ((ClassInstanceCreation) normalized.getParent()).getAnonymousClassDeclaration();
if (anonymTypeDecl == null || anonymTypeDecl.resolveBinding() == null) {
return false;
}
if (proposals == null) {
return true;
}
final ICompilationUnit cu= context.getCompilationUnit();
final ConvertAnonymousToNestedRefactoring refactoring= new ConvertAnonymousToNestedRefactoring(anonymTypeDecl);
String extTypeName= ASTNodes.getSimpleNameIdentifier((Name) node);
ITypeBinding anonymTypeBinding= anonymTypeDecl.resolveBinding();
String className;
if (anonymTypeBinding.getInterfaces().length == 0) {
className= Messages.format(CorrectionMessages.QuickAssistProcessor_name_extension_from_interface, extTypeName);
} else {
className= Messages.format(CorrectionMessages.QuickAssistProcessor_name_extension_from_class, extTypeName);
}
String[][] existingTypes= ((IType) anonymTypeBinding.getJavaElement()).resolveType(className);
int i= 1;
while (existingTypes != null) {
i++;
existingTypes= ((IType) anonymTypeBinding.getJavaElement()).resolveType(className + i);
}
refactoring.setClassName(i == 1 ? className : className + i);
if (refactoring.checkInitialConditions(new NullProgressMonitor()).isOK()) {
LinkedProposalModelCore linkedProposalModel= createProposalModel();
refactoring.setLinkedProposalModel(linkedProposalModel);
String label= CorrectionMessages.QuickAssistProcessor_convert_anonym_to_nested;
Image image= JavaPlugin.getImageDescriptorRegistry().get(JavaElementImageProvider.getTypeImageDescriptor(true, false, Flags.AccPrivate, false));
RefactoringCorrectionProposal proposal= new RefactoringCorrectionProposal(label, cu, refactoring, IProposalRelevance.CONVERT_ANONYMOUS_TO_NESTED, image);
proposal.setLinkedProposalModel(linkedProposalModel);
proposal.setCommandId(CONVERT_ANONYMOUS_TO_LOCAL_ID);
proposals.add(proposal);
}
return false;
}
private static boolean getConvertAnonymousClassCreationsToLambdaProposals(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
while (covering instanceof Name
|| covering instanceof Type
|| covering instanceof Dimension
|| covering.getParent() instanceof MethodDeclaration
|| covering.getLocationInParent() == AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY) {
covering= covering.getParent();
}
ClassInstanceCreation cic;
if (covering instanceof ClassInstanceCreation) {
cic= (ClassInstanceCreation) covering;
} else if (covering.getLocationInParent() == ClassInstanceCreation.ANONYMOUS_CLASS_DECLARATION_PROPERTY) {
cic= (ClassInstanceCreation) covering.getParent();
} else if (covering instanceof Name) {
ASTNode normalized= ASTNodes.getNormalizedNode(covering);
if (normalized.getLocationInParent() != ClassInstanceCreation.TYPE_PROPERTY)
return false;
cic= (ClassInstanceCreation) normalized.getParent();
} else {
return false;
}
IProposableFix fix= LambdaExpressionsFixCore.createConvertToLambdaFix(cic);
if (fix == null)
return false;
if (resultingCollections == null)
return true;
// add correction proposal
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
Map<String, String> options= new Hashtable<>();
options.put(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES, CleanUpOptions.TRUE);
options.put(CleanUpConstants.USE_LAMBDA, CleanUpOptions.TRUE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, new LambdaExpressionsCleanUp(options), IProposalRelevance.CONVERT_TO_LAMBDA_EXPRESSION, image, context);
resultingCollections.add(proposal);
return true;
}
public static boolean getConvertLambdaToAnonymousClassCreationsProposals(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
LambdaExpression lambda;
if (covering instanceof LambdaExpression) {
lambda= (LambdaExpression) covering;
} else if (covering.getLocationInParent() == LambdaExpression.BODY_PROPERTY) {
lambda= (LambdaExpression) covering.getParent();
} else {
return false;
}
IProposableFix fix= LambdaExpressionsFixCore.createConvertToAnonymousClassCreationsFix(lambda);
if (fix == null)
return false;
if (resultingCollections == null)
return true;
// add correction proposal
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
Map<String, String> options= new Hashtable<>();
options.put(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES, CleanUpOptions.TRUE);
options.put(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION, CleanUpOptions.TRUE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, new LambdaExpressionsCleanUp(options), IProposalRelevance.CONVERT_TO_SWITCH_EXPRESSION, image, context);
resultingCollections.add(proposal);
return true;
}
private static boolean getConvertMethodReferenceToLambdaProposal(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) throws JavaModelException {
MethodReference methodReference;
if (covering instanceof MethodReference) {
methodReference= (MethodReference) covering;
} else if (covering.getParent() instanceof MethodReference) {
methodReference= (MethodReference) covering.getParent();
} else {
return false;
}
IMethodBinding functionalMethod= QuickAssistProcessorUtil.getFunctionalMethodForMethodReference(methodReference);
if (functionalMethod == null || functionalMethod.isGenericMethod()) { // generic lambda expressions are not allowed
return false;
}
if (resultingCollections == null)
return true;
ASTRewrite rewrite= ASTRewrite.create(methodReference.getAST());
LinkedProposalModelCore linkedProposalModel= createProposalModel();
LambdaExpression lambda= QuickAssistProcessorUtil.convertMethodRefernceToLambda(methodReference, functionalMethod, context.getASTRoot(), rewrite, linkedProposalModel, false);
// add proposal
String label= CorrectionMessages.QuickAssistProcessor_convert_to_lambda_expression;
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
LinkedCorrectionProposal proposal= new LinkedCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.CONVERT_METHOD_REFERENCE_TO_LAMBDA, image);
proposal.setLinkedProposalModel(linkedProposalModel);
proposal.setEndPosition(rewrite.track(lambda));
resultingCollections.add(proposal);
return true;
}
private static boolean getConvertToSwitchExpressionProposals(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (covering instanceof Block) {
List<Statement> statements= ((Block) covering).statements();
int startIndex= QuickAssistProcessorUtil.getIndex(context.getSelectionOffset(), statements);
if (startIndex == -1 || startIndex >= statements.size()) {
return false;
}
covering= statements.get(startIndex);
} else {
while (covering instanceof SwitchCase
|| covering instanceof SwitchExpression) {
covering= covering.getParent();
}
}
SwitchStatement switchStatement;
if (covering instanceof SwitchStatement) {
switchStatement= (SwitchStatement) covering;
} else {
return false;
}
IProposableFix fix= SwitchExpressionsFixCore.createConvertToSwitchExpressionFix(switchStatement);
if (fix == null)
return false;
if (resultingCollections == null)
return true;
// add correction proposal
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
Map<String, String> options= new Hashtable<>();
options.put(CleanUpConstants.CONTROL_STATEMENTS_CONVERT_TO_SWITCH_EXPRESSIONS, CleanUpOptions.TRUE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, new SwitchExpressionsCleanUp(options), IProposalRelevance.CONVERT_TO_SWITCH_EXPRESSION, image, context);
resultingCollections.add(proposal);
return true;
}
private static boolean getChangeLambdaBodyToBlockProposal(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
ChangeLambdaBodyToBlockFixCore fix= ChangeLambdaBodyToBlockFixCore.createChangeLambdaBodyToBlockFix(context.getASTRoot(), covering);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.CHANGE_LAMBDA_BODY_TO_BLOCK, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
private static boolean getChangeLambdaBodyToExpressionProposal(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
ChangeLambdaBodyToExpressionFixCore fix= ChangeLambdaBodyToExpressionFixCore.createChangeLambdaBodyToBlockFix(context.getASTRoot(), covering);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.CHANGE_LAMBDA_BODY_TO_EXPRESSION, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
private static boolean getConvertLambdaToMethodReferenceProposal(IInvocationContextCore context, ASTNode coveringNode, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
ConvertLambdaToMethodReferenceFixCore fix= ConvertLambdaToMethodReferenceFixCore.createConvertLambdaToMethodReferenceFix(context.getASTRoot(), coveringNode);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.CONVERT_TO_METHOD_REFERENCE, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
private static boolean getFixParenthesesInLambdaExpression(IInvocationContextCore context, ASTNode coveringNode, Collection<ICommandAccess> resultingCollections) {
LambdaExpression enclosingLambda= null;
if (coveringNode instanceof LambdaExpression) {
enclosingLambda= (LambdaExpression) coveringNode;
} else if (coveringNode.getLocationInParent() == VariableDeclarationFragment.NAME_PROPERTY
&& ((VariableDeclarationFragment) coveringNode.getParent()).getLocationInParent() == LambdaExpression.PARAMETERS_PROPERTY) {
enclosingLambda= (LambdaExpression) coveringNode.getParent().getParent();
} else {
return false;
}
List<VariableDeclaration> lambdaParameters= enclosingLambda.parameters();
if (lambdaParameters.size() != 1)
return false;
if (lambdaParameters.get(0) instanceof SingleVariableDeclaration)
return false;
if (resultingCollections == null) {
return true;
}
String label;
Boolean parenthesesPropertyNewValue;
String imageKey;
if (enclosingLambda.hasParentheses()) {
label= CorrectionMessages.QuickAssistProcessor_removeParenthesesInLambda;
parenthesesPropertyNewValue= Boolean.FALSE;
imageKey= JavaPluginImages.IMG_CORRECTION_REMOVE;
} else {
label= CorrectionMessages.QuickAssistProcessor_addParenthesesInLambda;
parenthesesPropertyNewValue= Boolean.TRUE;
imageKey= JavaPluginImages.IMG_CORRECTION_CAST;
}
// Create the rewrite:
ASTRewrite rewrite= ASTRewrite.create(enclosingLambda.getAST());
rewrite.set(enclosingLambda, LambdaExpression.PARENTHESES_PROPERTY, parenthesesPropertyNewValue, null);
// add correction proposal
Image image= JavaPluginImages.get(imageKey);
ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.ADD_PARENTHESES_FOR_EXPRESSION, image);
resultingCollections.add(proposal);
return true;
}
public static boolean getAddInferredLambdaParameterTypes(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
AddInferredLambdaParameterTypesFixCore fix= AddInferredLambdaParameterTypesFixCore.createAddInferredLambdaParameterTypesFix(context.getASTRoot(), covering);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.ADD_INFERRED_LAMBDA_PARAMETER_TYPES, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
public static boolean getAddVarLambdaParameterTypes(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
AddVarLambdaParameterTypesFixCore fix= AddVarLambdaParameterTypesFixCore.createAddVarLambdaParameterTypesFix(context.getASTRoot(), covering);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.ADD_INFERRED_LAMBDA_PARAMETER_TYPES, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
public static boolean getRemoveVarOrInferredLambdaParameterTypes(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
if (resultingCollections == null) {
return true;
}
RemoveVarOrInferredLambdaParameterTypesFixCore fix= RemoveVarOrInferredLambdaParameterTypesFixCore.createRemoveVarOrInferredLambdaParameterTypesFix(context.getASTRoot(), covering);
if (fix != null) {
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.ADD_INFERRED_LAMBDA_PARAMETER_TYPES, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
private static boolean getAddMethodDeclaration(IInvocationContextCore context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
AddMissingMethodDeclarationFixCore fix= AddMissingMethodDeclarationFixCore.createAddMissingMethodDeclaration(context.getASTRoot(), covering);
if (fix != null) {
if (resultingCollections == null) {
return true;
}
Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
FixCorrectionProposal proposal= new FixCorrectionProposal(fix, null, IProposalRelevance.ADD_INFERRED_LAMBDA_PARAMETER_TYPES, image, context);
resultingCollections.add(proposal);
return true;
}
return false;
}
public static boolean getInferDiamondArgumentsProposal(IInvocationContextCore context, ASTNode node, IProblemLocationCore[] locations, Collection<ICommandAccess> resultingCollections) {
// don't add if already added as quick fix
if (containsMatchingProblem(locations, IProblem.DiamondNotBelow17))
return false;
ParameterizedType createdType= null;