Java TextChange.getPreviewContent方法代码示例

import org.eclipse.ltk.core.refactoring.TextChange; //导入方法依赖的package包/类
private RefactoringStatus checkCompilationofDeclaringCu() throws CoreException {
  ICompilationUnit cu = getCu();
  TextChange change = fChangeManager.get(cu);
  String newCuSource = change.getPreviewContent(new NullProgressMonitor());
  CompilationUnit newCUNode =
      new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL)
          .parse(newCuSource, cu, true, false, null);
  IProblem[] problems =
      RefactoringAnalyzeUtil.getIntroducedCompileProblems(newCUNode, fBaseCuRewrite.getRoot());
  RefactoringStatus result = new RefactoringStatus();
  for (int i = 0; i < problems.length; i++) {
    IProblem problem = problems[i];
    if (shouldReport(problem, newCUNode))
      result.addEntry(
          new RefactoringStatusEntry(
              (problem.isError() ? RefactoringStatus.ERROR : RefactoringStatus.WARNING),
              problem.getMessage(),
              new JavaStringStatusContext(newCuSource, SourceRangeFactory.create(problem))));
  }
  return result;
}
 

import org.eclipse.ltk.core.refactoring.TextChange; //导入方法依赖的package包/类
private RefactoringStatus checkCompilationofDeclaringCu() throws CoreException {
	ICompilationUnit cu= getCu();
	TextChange change= fChangeManager.get(cu);
	String newCuSource= change.getPreviewContent(new NullProgressMonitor());
	CompilationUnit newCUNode= new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(newCuSource, cu, true, false, null);
	IProblem[] problems= RefactoringAnalyzeUtil.getIntroducedCompileProblems(newCUNode, fBaseCuRewrite.getRoot());
	RefactoringStatus result= new RefactoringStatus();
	for (int i= 0; i < problems.length; i++) {
		IProblem problem= problems[i];
		if (shouldReport(problem, newCUNode))
			result.addEntry(new RefactoringStatusEntry((problem.isError() ? RefactoringStatus.ERROR : RefactoringStatus.WARNING), problem.getMessage(), new JavaStringStatusContext(newCuSource, SourceRangeFactory.create(problem))));
	}
	return result;
}
 

import org.eclipse.ltk.core.refactoring.TextChange; //导入方法依赖的package包/类
/**
 * This method analyzes a set of local variable renames inside one cu. It checks whether
 * any new compile errors have been introduced by the rename(s) and whether the correct
 * node(s) has/have been renamed.
 *
 * @param analyzePackages the LocalAnalyzePackages containing the information about the local renames
 * @param cuChange the TextChange containing all local variable changes to be applied.
 * @param oldCUNode the fully (incl. bindings) resolved AST node of the original compilation unit
 * @param recovery whether statements and bindings recovery should be performed when parsing the changed CU
 * @return a RefactoringStatus containing errors if compile errors or wrongly renamed nodes are found
 * @throws CoreException thrown if there was an error greating the preview content of the change
 */
public static RefactoringStatus analyzeLocalRenames(LocalAnalyzePackage[] analyzePackages, TextChange cuChange, CompilationUnit oldCUNode, boolean recovery) throws CoreException {

	RefactoringStatus result= new RefactoringStatus();
	ICompilationUnit compilationUnit= (ICompilationUnit) oldCUNode.getJavaElement();

	String newCuSource= cuChange.getPreviewContent(new NullProgressMonitor());
	CompilationUnit newCUNode= new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(newCuSource, compilationUnit, true, recovery, null);

	result.merge(analyzeCompileErrors(newCuSource, newCUNode, oldCUNode));
	if (result.hasError())
		return result;

	for (int i= 0; i < analyzePackages.length; i++) {
		ASTNode enclosing= getEnclosingBlockOrMethodOrLambda(analyzePackages[i].fDeclarationEdit, cuChange, newCUNode);

		// get new declaration
		IRegion newRegion= RefactoringAnalyzeUtil.getNewTextRange(analyzePackages[i].fDeclarationEdit, cuChange);
		ASTNode newDeclaration= NodeFinder.perform(newCUNode, newRegion.getOffset(), newRegion.getLength());
		Assert.isTrue(newDeclaration instanceof Name);

		VariableDeclaration declaration= getVariableDeclaration((Name) newDeclaration);
		Assert.isNotNull(declaration);

		SimpleName[] problemNodes= ProblemNodeFinder.getProblemNodes(enclosing, declaration, analyzePackages[i].fOccurenceEdits, cuChange);
		result.merge(RefactoringAnalyzeUtil.reportProblemNodes(newCuSource, problemNodes));
	}
	return result;
}
 

import org.eclipse.ltk.core.refactoring.TextChange; //导入方法依赖的package包/类
/**
 * This method analyzes a set of local variable renames inside one cu. It checks whether
 * any new compile errors have been introduced by the rename(s) and whether the correct
 * node(s) has/have been renamed.
 *
 * @param analyzePackages the LocalAnalyzePackages containing the information about the local renames
 * @param cuChange the TextChange containing all local variable changes to be applied.
 * @param oldCUNode the fully (incl. bindings) resolved AST node of the original compilation unit
 * @param recovery whether statements and bindings recovery should be performed when parsing the changed CU
 * @return a RefactoringStatus containing errors if compile errors or wrongly renamed nodes are found
 * @throws CoreException thrown if there was an error greating the preview content of the change
 */
public static RefactoringStatus analyzeLocalRenames(LocalAnalyzePackage[] analyzePackages, TextChange cuChange, CompilationUnit oldCUNode, boolean recovery) throws CoreException {

	RefactoringStatus result= new RefactoringStatus();
	ICompilationUnit compilationUnit= (ICompilationUnit) oldCUNode.getJavaElement();

	String newCuSource= cuChange.getPreviewContent(new NullProgressMonitor());
	CompilationUnit newCUNode= new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(newCuSource, compilationUnit, true, recovery, null);

	result.merge(analyzeCompileErrors(newCuSource, newCUNode, oldCUNode));
	if (result.hasError())
		return result;

	for (int i= 0; i < analyzePackages.length; i++) {
		ASTNode enclosing= getEnclosingBlockOrMethod(analyzePackages[i].fDeclarationEdit, cuChange, newCUNode);

		// get new declaration
		IRegion newRegion= RefactoringAnalyzeUtil.getNewTextRange(analyzePackages[i].fDeclarationEdit, cuChange);
		ASTNode newDeclaration= NodeFinder.perform(newCUNode, newRegion.getOffset(), newRegion.getLength());
		Assert.isTrue(newDeclaration instanceof Name);

		VariableDeclaration declaration= getVariableDeclaration((Name) newDeclaration);
		Assert.isNotNull(declaration);

		SimpleName[] problemNodes= ProblemNodeFinder.getProblemNodes(enclosing, declaration, analyzePackages[i].fOccurenceEdits, cuChange);
		result.merge(RefactoringAnalyzeUtil.reportProblemNodes(newCuSource, problemNodes));
	}
	return result;
}
 

import org.eclipse.ltk.core.refactoring.TextChange; //导入方法依赖的package包/类
/**
 * This method analyzes a set of local variable renames inside one cu. It checks whether any new
 * compile errors have been introduced by the rename(s) and whether the correct node(s) has/have
 * been renamed.
 *
 * @param analyzePackages the LocalAnalyzePackages containing the information about the local
 *     renames
 * @param cuChange the TextChange containing all local variable changes to be applied.
 * @param oldCUNode the fully (incl. bindings) resolved AST node of the original compilation unit
 * @param recovery whether statements and bindings recovery should be performed when parsing the
 *     changed CU
 * @return a RefactoringStatus containing errors if compile errors or wrongly renamed nodes are
 *     found
 * @throws CoreException thrown if there was an error greating the preview content of the change
 */
public static RefactoringStatus analyzeLocalRenames(
    LocalAnalyzePackage[] analyzePackages,
    TextChange cuChange,
    CompilationUnit oldCUNode,
    boolean recovery)
    throws CoreException {

  RefactoringStatus result = new RefactoringStatus();
  ICompilationUnit compilationUnit = (ICompilationUnit) oldCUNode.getJavaElement();

  String newCuSource = cuChange.getPreviewContent(new NullProgressMonitor());
  CompilationUnit newCUNode =
      new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL)
          .parse(newCuSource, compilationUnit, true, recovery, null);

  result.merge(analyzeCompileErrors(newCuSource, newCUNode, oldCUNode));
  if (result.hasError()) return result;

  for (int i = 0; i < analyzePackages.length; i++) {
    ASTNode enclosing =
        getEnclosingBlockOrMethodOrLambda(
            analyzePackages[i].fDeclarationEdit, cuChange, newCUNode);

    // get new declaration
    IRegion newRegion =
        RefactoringAnalyzeUtil.getNewTextRange(analyzePackages[i].fDeclarationEdit, cuChange);
    ASTNode newDeclaration =
        NodeFinder.perform(newCUNode, newRegion.getOffset(), newRegion.getLength());
    Assert.isTrue(newDeclaration instanceof Name);

    VariableDeclaration declaration = getVariableDeclaration((Name) newDeclaration);
    Assert.isNotNull(declaration);

    SimpleName[] problemNodes =
        ProblemNodeFinder.getProblemNodes(
            enclosing, declaration, analyzePackages[i].fOccurenceEdits, cuChange);
    result.merge(RefactoringAnalyzeUtil.reportProblemNodes(newCuSource, problemNodes));
  }
  return result;
}