/** * Ensures that creating a DOM AST and computing the bindings takes the owner's working copies * into account. (regression test for bug 39533 Working copy with no corresponding file not * considered by NameLookup) * * @deprecated using deprecated code */ public void testParseCompilationUnit1() throws CoreException { ICompilationUnit workingCopy1 = null; ICompilationUnit workingCopy2 = null; try { TestWorkingCopyOwner owner = new TestWorkingCopyOwner(); workingCopy1 = getCompilationUnit("P/X.java").getWorkingCopy(owner, null); workingCopy1.getBuffer().setContents("public class X implements I {\n" + "}"); workingCopy1.makeConsistent(null); workingCopy2 = getCompilationUnit("P/I.java").getWorkingCopy(owner, null); workingCopy2.getBuffer().setContents("public interface I {\n" + "}"); workingCopy2.makeConsistent(null); ASTParser parser = ASTParser.newParser(AST.JLS2); parser.setSource(workingCopy1); parser.setResolveBindings(true); parser.setWorkingCopyOwner(owner); CompilationUnit cu = (CompilationUnit) parser.createAST(null); List types = cu.types(); assertEquals("Unexpected number of types in AST", 1, types.size()); TypeDeclaration type = (TypeDeclaration) types.get(0); ITypeBinding typeBinding = type.resolveBinding(); assertTypeBindingsEqual("Unexpected interfaces", "I", typeBinding.getInterfaces()); } finally { if (workingCopy1 != null) { workingCopy1.discardWorkingCopy(); } if (workingCopy2 != null) { workingCopy2.discardWorkingCopy(); } } }
/** * Gets the IDocument for the supplied src file. * * <p>Code borrowed from org.eclipse.jdt.internal.core.JavaModelOperation. * * @param src The src file. * @return The IDocument. */ public static IDocument getDocument(ICompilationUnit src) throws Exception { IBuffer buffer = src.getBuffer(); if (buffer instanceof IDocument) { return (IDocument) buffer; } return new DocumentAdapter(buffer); }
private void deleteAccessor(NLSSubstitution substitution, TextChange change, ICompilationUnit cu) throws CoreException { AccessorClassReference accessorClassRef = substitution.getAccessorClassReference(); if (accessorClassRef != null) { Region region = accessorClassRef.getRegion(); String[] args = { substitution.getValueNonEmpty(), BasicElementLabels.getJavaElementName(substitution.getKey()) }; String label = Messages.format(NLSMessages.NLSSourceModifier_remove_accessor, args); String replaceString = '\"' + unwindEscapeChars(substitution.getValueNonEmpty()) + '\"'; TextChangeCompatibility.addTextEdit( change, label, new ReplaceEdit(region.getOffset(), region.getLength(), replaceString)); if (fIsEclipseNLS && substitution.getState() != NLSSubstitution.INTERNALIZED) { Region position = substitution.getNLSElement().getPosition(); int lineStart = getLineStart(cu.getBuffer(), position.getOffset()); int lineEnd = getLineEnd(cu.getBuffer(), position.getOffset()); String cuLine = cu.getBuffer().getText(lineStart, lineEnd - lineStart); StringBuffer buf = new StringBuffer(cuLine); buf.replace( region.getOffset() - lineStart, region.getOffset() + region.getLength() - lineStart, replaceString); try { NLSLine[] allLines = NLSScanner.scan(buf.toString()); NLSLine nlsLine = allLines[0]; NLSElement element = findElement( nlsLine, position.getOffset() - lineStart - accessorClassRef.getName().length() - 1); if (element == null || element.hasTag()) return; NLSElement[] elements = nlsLine.getElements(); int indexInElementList = Arrays.asList(elements).indexOf(element); String editText = ' ' + NLSElement.createTagText(indexInElementList + 1); // tags are 1-based TextChangeCompatibility.addTextEdit(change, label, new InsertEdit(lineEnd, editText)); } catch (InvalidInputException e) { } catch (BadLocationException e) { } } } }
static ICompilationUnit createNewWorkingCopy( ICompilationUnit cu, TextChangeManager manager, WorkingCopyOwner owner, SubProgressMonitor pm) throws CoreException { ICompilationUnit newWc = cu.getWorkingCopy(owner, null); String previewContent = manager.get(cu).getPreviewContent(new NullProgressMonitor()); newWc.getBuffer().setContents(previewContent); newWc.reconcile(ICompilationUnit.NO_AST, false, owner, pm); return newWc; }
/* non Java-doc * @see IRefactoring#createChange(IProgressMonitor) */ @Override public Change createChange(IProgressMonitor pm) throws CoreException { final String NN = ""; // $NON-NLS-1$ if (pm == null) pm = new NullProgressMonitor(); pm.beginTask(NN, 2); try { final CompilationUnitChange result = new CompilationUnitChange(getName(), fCUnit); if (fLeaveDirty) result.setSaveMode(TextFileChange.LEAVE_DIRTY); MultiTextEdit root = new MultiTextEdit(); result.setEdit(root); fRewriter = ASTRewrite.create(fAnalyzer.getEnclosingBodyDeclaration().getAST()); fRewriter.setTargetSourceRangeComputer( new SelectionAwareSourceRangeComputer( fAnalyzer.getSelectedNodes(), fCUnit.getBuffer(), fSelection.getOffset(), fSelection.getLength())); fImportRewrite = StubUtility.createImportRewrite(fRootNode, true); fLinkedProposalModel = new LinkedProposalModel(); fScope = CodeScopeBuilder.perform(fAnalyzer.getEnclosingBodyDeclaration(), fSelection) .findScope(fSelection.getOffset(), fSelection.getLength()); fScope.setCursor(fSelection.getOffset()); fSelectedNodes = fAnalyzer.getSelectedNodes(); createTryCatchStatement(fCUnit.getBuffer(), fCUnit.findRecommendedLineSeparator()); if (fImportRewrite.hasRecordedChanges()) { TextEdit edit = fImportRewrite.rewriteImports(null); root.addChild(edit); result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {edit})); } TextEdit change = fRewriter.rewriteAST(); root.addChild(change); result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {change})); return result; } finally { pm.done(); } }
private static int moveBack(int offset, int start, String ignoreCharacters, ICompilationUnit cu) { try { IBuffer buf = cu.getBuffer(); while (offset >= start) { if (ignoreCharacters.indexOf(buf.getChar(offset - 1)) == -1) { return offset; } offset--; } } catch (JavaModelException e) { } return start; }
private void setContentsToCU(ICompilationUnit unit, String value) { if (unit == null) { return; } synchronized (unit) { IBuffer buffer; try { buffer = unit.getBuffer(); if (buffer != null) { buffer.setContents(value); } } catch (JavaModelException e) { e.printStackTrace(); } } }
/** 取得Quick Fix後改變的程式碼 */ private Change getChange(CompilationUnit actRoot, ASTRewrite rewrite) { try { ICompilationUnit cu = (ICompilationUnit) actOpenable; Document document = new Document(cu.getBuffer().getContents()); TextEdit edits = null; if (rewrite != null) edits = rewrite.rewriteAST(document, null); else edits = actRoot.rewrite(document, cu.getJavaProject().getOptions(true)); TextFileChange textFileChange = new TextFileChange(cu.getElementName(), (IFile) cu.getResource()); textFileChange.setEdit(edits); return textFileChange; } catch (JavaModelException e) { logger.error("[Apply Change Rethrow Unchecked Exception] EXCEPTION ", e); } return null; }
/* * Ensures that searching takes the primary owner's working copies and the given working copies into account. * (regression test for bug 43300 SearchEngine(IWorkingCopy[] workingCopies) not backward compatible) */ public void testSearch4() throws CoreException { ICompilationUnit primaryWorkingCopy = null; try { createFolder("P/p"); createFile("/P/p/Y.java", ""); primaryWorkingCopy = getCompilationUnit("P/p/Y.java"); primaryWorkingCopy.becomeWorkingCopy(null); // create type Y in working copy primaryWorkingCopy.getBuffer().setContents("package p;\n" + "public class Y {\n" + "}"); primaryWorkingCopy.makeConsistent(null); // create new working copy on X.java and add type X this.workingCopy = getCompilationUnit("P/p/X.java").getWorkingCopy(null); this.workingCopy.getBuffer().setContents("package p;\n" + "public class X {\n" + "}"); this.workingCopy.makeConsistent(null); JavaSearchTests.JavaSearchResultCollector resultCollector = new JavaSearchTests.JavaSearchResultCollector(); IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] {primaryWorkingCopy.getParent()}); SearchPattern pattern = SearchPattern.createPattern( "*", IJavaSearchConstants.TYPE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_PATTERN_MATCH | SearchPattern.R_CASE_SENSITIVE); new SearchEngine(new ICompilationUnit[] {this.workingCopy}) .search( pattern, new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()}, scope, resultCollector, null); assertEquals("p/X.java p.X [X]\n" + "p/Y.java p.Y [Y]", resultCollector.toString()); } finally { if (primaryWorkingCopy != null) { primaryWorkingCopy.discardWorkingCopy(); } deleteFile("/P/p/Y.java"); } }
private void helper1( String[] methodNames, String[][] signatures, boolean deleteAllInSourceType, boolean deleteAllMatchingMethods, boolean replaceOccurences) throws Exception { ICompilationUnit cu = createCUfromTestFile(getPackageP(), "A"); IType type = getType(cu, "B"); IMethod[] methods = getMethods(type, methodNames, signatures); ExtractSupertypeProcessor processor = createRefactoringProcessor(methods); Refactoring refactoring = processor.getRefactoring(); processor.setMembersToMove(methods); assertTrue("activation", refactoring.checkInitialConditions(new NullProgressMonitor()).isOK()); processor.setTypesToExtract(new IType[] {type}); processor.setTypeName("Z"); processor.setCreateMethodStubs(true); processor.setInstanceOf(false); processor.setReplace(replaceOccurences); if (deleteAllInSourceType) processor.setDeletedMethods(methods); if (deleteAllMatchingMethods) processor.setDeletedMethods( getMethods(processor.getMatchingElements(new NullProgressMonitor(), false))); RefactoringStatus status = refactoring.checkFinalConditions(new NullProgressMonitor()); assertTrue("precondition was supposed to pass", !status.hasError()); performChange(refactoring, false); String expected = getFileContents(getOutputTestFileName("A")); String actual = cu.getSource(); assertEqualLines(expected, actual); expected = getFileContents(getOutputTestFileName("Z")); ICompilationUnit unit = getPackageP().getCompilationUnit("Z.java"); if (!unit.exists()) assertTrue("extracted compilation unit does not exist", false); actual = unit.getBuffer().getContents(); assertEqualLines(expected, actual); }
public void testASTRewriteExample() throws Exception { // create a new project IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject("Test"); project.create(null); project.open(null); try { // set the Java nature and Java build path IProjectDescription description = project.getDescription(); description.setNatureIds(new String[] {JavaCore.NATURE_ID}); project.setDescription(description, null); IJavaProject javaProject = JavaCore.create(project); // build path is: project as source folder and JRE container IClasspathEntry[] cpentry = new IClasspathEntry[] { JavaCore.newSourceEntry(javaProject.getPath()), JavaRuntime.getDefaultJREContainerEntry() }; javaProject.setRawClasspath(cpentry, javaProject.getPath(), null); Map<String, String> options = new HashMap<>(); options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE); options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "4"); javaProject.setOptions(options); // create a test file IPackageFragmentRoot root = javaProject.getPackageFragmentRoot(project); IPackageFragment pack1 = root.createPackageFragment("test1", false, null); StringBuffer buf = new StringBuffer(); buf.append("package test1;\n"); buf.append("public class E {\n"); buf.append(" public void foo(int i) {\n"); buf.append(" while (--i > 0) {\n"); buf.append(" System.beep();\n"); buf.append(" }\n"); buf.append(" }\n"); buf.append("}\n"); ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null); // create an AST ASTParser parser = ASTParser.newParser(IASTSharedValues.SHARED_AST_LEVEL); parser.setSource(cu); parser.setResolveBindings(false); CompilationUnit astRoot = (CompilationUnit) parser.createAST(null); AST ast = astRoot.getAST(); // create the descriptive ast rewriter ASTRewrite rewrite = ASTRewrite.create(ast); // get the block node that contains the statements in the method body TypeDeclaration typeDecl = (TypeDeclaration) astRoot.types().get(0); MethodDeclaration methodDecl = typeDecl.getMethods()[0]; Block block = methodDecl.getBody(); // create new statements to insert MethodInvocation newInv1 = ast.newMethodInvocation(); newInv1.setName(ast.newSimpleName("bar1")); Statement newStatement1 = ast.newExpressionStatement(newInv1); MethodInvocation newInv2 = ast.newMethodInvocation(); newInv2.setName(ast.newSimpleName("bar2")); Statement newStatement2 = ast.newExpressionStatement(newInv2); // describe that the first node is inserted as first statement in block, the other one as last // statement // note: AST is not modified by this ListRewrite listRewrite = rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY); listRewrite.insertFirst(newStatement1, null); listRewrite.insertLast(newStatement2, null); // evaluate the text edits corresponding to the described changes. AST and CU still // unmodified. TextEdit res = rewrite.rewriteAST(); // apply the text edits to the compilation unit Document document = new Document(cu.getSource()); res.apply(document); cu.getBuffer().setContents(document.get()); // test result String preview = cu.getSource(); buf = new StringBuffer(); buf.append("package test1;\n"); buf.append("public class E {\n"); buf.append(" public void foo(int i) {\n"); buf.append(" bar1();\n"); buf.append(" while (--i > 0) {\n"); buf.append(" System.beep();\n"); buf.append(" }\n"); buf.append(" bar2();\n"); buf.append(" }\n"); buf.append("}\n"); assertEquals(preview, buf.toString()); } finally { project.delete(true, null); } }
/** * Copies/moves a compilation unit with the name <code>newCUName</code> to the destination * package.<br> * The package statement in the compilation unit is updated if necessary. The main type of the * compilation unit is renamed if necessary. * * @exception JavaModelException if the operation is unable to complete */ private void processCompilationUnitResource(ICompilationUnit source, PackageFragment dest) throws JavaModelException { String newCUName = getNewNameFor(source); String destName = (newCUName != null) ? newCUName : source.getElementName(); TextEdit edit = updateContent(source, dest, newCUName); // null if unchanged // TODO (frederic) remove when bug 67606 will be fixed (bug 67823) // store encoding (fix bug 66898) IFile sourceResource = (IFile) source.getResource(); String sourceEncoding = null; try { sourceEncoding = sourceResource.getCharset(false); } catch (CoreException ce) { // no problem, use default encoding } // end todo // copy resource IContainer destFolder = (IContainer) dest.getResource(); // can be an IFolder or an IProject IFile destFile = destFolder.getFile(new Path(destName)); org.eclipse.jdt.internal.core.CompilationUnit destCU = new org.eclipse.jdt.internal.core.CompilationUnit( dest, destName, DefaultWorkingCopyOwner.PRIMARY); if (!destFile.equals(sourceResource)) { try { if (!destCU.isWorkingCopy()) { if (destFile.exists()) { if (this.force) { // we can remove it deleteResource(destFile, IResource.KEEP_HISTORY); destCU.close(); // ensure the in-memory buffer for the dest CU is closed } else { // abort throw new JavaModelException( new JavaModelStatus( IJavaModelStatusConstants.NAME_COLLISION, Messages.bind( Messages.status_nameCollision, destFile.getFullPath().toString()))); } } int flags = this.force ? IResource.FORCE : IResource.NONE; if (isMove()) { flags |= IResource.KEEP_HISTORY; sourceResource.move(destFile.getFullPath(), flags, getSubProgressMonitor(1)); } else { if (edit != null) flags |= IResource.KEEP_HISTORY; sourceResource.copy(destFile.getFullPath(), flags, getSubProgressMonitor(1)); } setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); } else { destCU.getBuffer().setContents(source.getBuffer().getContents()); } } catch (JavaModelException e) { throw e; } catch (CoreException e) { throw new JavaModelException(e); } // update new resource content if (edit != null) { boolean wasReadOnly = destFile.isReadOnly(); try { saveContent(dest, destName, edit, sourceEncoding, destFile); } catch (CoreException e) { if (e instanceof JavaModelException) throw (JavaModelException) e; throw new JavaModelException(e); } finally { Util.setReadOnly(destFile, wasReadOnly); } } // register the correct change deltas prepareDeltas(source, destCU, isMove()); if (newCUName != null) { // the main type has been renamed String oldName = Util.getNameWithoutJavaLikeExtension(source.getElementName()); String newName = Util.getNameWithoutJavaLikeExtension(newCUName); prepareDeltas(source.getType(oldName), destCU.getType(newName), isMove()); } } else { if (!this.force) { throw new JavaModelException( new JavaModelStatus( IJavaModelStatusConstants.NAME_COLLISION, Messages.bind(Messages.status_nameCollision, destFile.getFullPath().toString()))); } // update new resource content // in case we do a saveas on the same resource we have to simply update the contents // see http://dev.eclipse.org/bugs/show_bug.cgi?id=9351 if (edit != null) { saveContent(dest, destName, edit, sourceEncoding, destFile); } } }
public void run(IMarker marker) { IFile file = (IFile) javaDeclaration.getResource(); try { ICompilationUnit original = EclipseUtil.getCompilationUnit(file); if (original == null) { return; } ICompilationUnit compilationUnit = original.getWorkingCopy(new NullProgressMonitor()); String lineDelim = JavaPropertyGenerator.getLineDelimiterUsed(compilationUnit); Hashtable<String, String> options = JavaCore.getOptions(); int tabSize = new Integer(options.get("org.eclipse.jdt.core.formatter.tabulation.size")); StringBuffer tabBuf = new StringBuffer(); for (int i = 0; i < tabSize; i++) tabBuf.append(" "); String tab = tabBuf.toString(); IType type = compilationUnit.findPrimaryType(); IField field = type.getField(property.getName()); String propertyType = ""; if (field != null && field.exists()) { propertyType = field.getTypeSignature(); } else { propertyType = "String"; // $NON-NLS-1$ StringBuffer buf = new StringBuffer(); buf.append( tab + "private " + propertyType + " " + property.getName() + ";"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ buf.append(lineDelim); field = type.createField(buf.toString(), null, false, new NullProgressMonitor()); if (field != null) { IBuffer buffer = compilationUnit.getBuffer(); buffer.replace( field.getSourceRange().getOffset(), field.getSourceRange().getLength(), buf.toString()); synchronized (compilationUnit) { compilationUnit.reconcile(ICompilationUnit.NO_AST, true, null, null); } } } IMethod oldMethod = GetterSetterUtil.getSetter(field); if (oldMethod == null || !oldMethod.exists()) { String setterName = GetterSetterUtil.getSetterName(field, null); // JavaPropertyGenerator.createSetter(compilationUnit, type, "public", // field.getTypeSignature(), setterName, lineDelim); String stub = GetterSetterUtil.getSetterStub(field, setterName, true, Flags.AccPublic); IMethod newMethod = type.createMethod(stub, null, false, new NullProgressMonitor()); if (newMethod != null) { IBuffer buffer = compilationUnit.getBuffer(); // format StringBuffer buf = new StringBuffer(); buf.append(lineDelim); buf.append( tab + "public void " + setterName + "(" + propertyType + " " + property.getName() + "){"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ buf.append(lineDelim); buf.append(tab + tab + "this." + property.getName() + " = " + property.getName() + ";"); buf.append(lineDelim); buf.append(tab + "}"); buf.append(lineDelim); buffer.replace( newMethod.getSourceRange().getOffset(), newMethod.getSourceRange().getLength(), buf.toString()); } } compilationUnit.commitWorkingCopy(false, new NullProgressMonitor()); compilationUnit.discardWorkingCopy(); } catch (CoreException ex) { SeamGuiPlugin.getPluginLog().logError(ex); } }
/** @exception JavaModelException if setting the source of the original compilation unit fails */ protected void executeOperation() throws JavaModelException { try { beginTask(Messages.workingCopy_commit, 2); CompilationUnit workingCopy = getCompilationUnit(); if (ExternalJavaProject.EXTERNAL_PROJECT_NAME.equals( workingCopy.getJavaProject().getElementName())) { // case of a working copy without a resource workingCopy.getBuffer().save(this.progressMonitor, this.force); return; } ICompilationUnit primary = workingCopy.getPrimary(); boolean isPrimary = workingCopy.isPrimary(); JavaElementDeltaBuilder deltaBuilder = null; PackageFragmentRoot root = (PackageFragmentRoot) workingCopy.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); boolean isIncluded = !Util.isExcluded(workingCopy); IFile resource = (IFile) workingCopy.getResource(); IJavaProject project = root.getJavaProject(); if (isPrimary || (root.validateOnClasspath().isOK() && isIncluded && resource.isAccessible() && Util.isValidCompilationUnitName( workingCopy.getElementName(), project.getOption(JavaCore.COMPILER_SOURCE, true), project.getOption(JavaCore.COMPILER_COMPLIANCE, true)))) { // force opening so that the delta builder can get the old info if (!isPrimary && !primary.isOpen()) { primary.open(null); } // creates the delta builder (this remembers the content of the cu) if: // - it is not excluded // - and it is not a primary or it is a non-consistent primary if (isIncluded && (!isPrimary || !workingCopy.isConsistent())) { deltaBuilder = new JavaElementDeltaBuilder(primary); } // save the cu IBuffer primaryBuffer = primary.getBuffer(); if (!isPrimary) { if (primaryBuffer == null) return; char[] primaryContents = primaryBuffer.getCharacters(); boolean hasSaved = false; try { IBuffer workingCopyBuffer = workingCopy.getBuffer(); if (workingCopyBuffer == null) return; primaryBuffer.setContents(workingCopyBuffer.getCharacters()); primaryBuffer.save(this.progressMonitor, this.force); primary.makeConsistent(this); hasSaved = true; } finally { if (!hasSaved) { // restore original buffer contents since something went wrong primaryBuffer.setContents(primaryContents); } } } else { // for a primary working copy no need to set the content of the buffer again primaryBuffer.save(this.progressMonitor, this.force); primary.makeConsistent(this); } } else { // working copy on cu outside classpath OR resource doesn't exist yet String encoding = null; try { encoding = resource.getCharset(); } catch (CoreException ce) { // use no encoding } String contents = workingCopy.getSource(); if (contents == null) return; try { byte[] bytes = encoding == null ? contents.getBytes() : contents.getBytes(encoding); ByteArrayInputStream stream = new ByteArrayInputStream(bytes); if (resource.exists()) { resource.setContents( stream, this.force ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, null); } else { resource.create(stream, this.force, this.progressMonitor); } } catch (CoreException e) { throw new JavaModelException(e); } catch (UnsupportedEncodingException e) { throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION); } } setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); // make sure working copy is in sync workingCopy.updateTimeStamp((CompilationUnit) primary); workingCopy.makeConsistent(this); worked(1); // build the deltas if (deltaBuilder != null) { deltaBuilder.buildDeltas(); // add the deltas to the list of deltas created during this operation if (deltaBuilder.delta != null) { addDelta(deltaBuilder.delta); } } worked(1); } finally { done(); } }