Java SearchMatch.A_INACCURATE属性代码示例

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
  final SearchMatch accepted = fRequestor.acceptSearchMatch(match);
  if (accepted != null) {
    final IResource resource = accepted.getResource();
    if (!resource.equals(fLastResource)) {
      final IJavaElement element = JavaCore.create(resource);
      if (element instanceof ICompilationUnit) fCollectedUnits.add((ICompilationUnit) element);
    }
    if (fInaccurate
        && accepted.getAccuracy() == SearchMatch.A_INACCURATE
        && !fInaccurateMatches.contains(accepted)) {
      fStatus.addEntry(
          fSeverity,
          Messages.format(
              RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match,
              BasicElementLabels.getResourceName(accepted.getResource())),
          null,
          null,
          RefactoringStatusEntry.NO_CODE);
      fInaccurateMatches.add(accepted);
    }
  }
}
 

@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
  IJavaElement enclosingElement = (IJavaElement) match.getElement();
  if (enclosingElement != null) {
    if (fIgnorePotentials && (match.getAccuracy() == SearchMatch.A_INACCURATE)) return;
    boolean isWriteAccess = false;
    boolean isReadAccess = false;
    if (match instanceof FieldReferenceMatch) {
      FieldReferenceMatch fieldRef = ((FieldReferenceMatch) match);
      isWriteAccess = fieldRef.isWriteAccess();
      isReadAccess = fieldRef.isReadAccess();
    } else if (match instanceof FieldDeclarationMatch) {
      isWriteAccess = true;
    } else if (match instanceof LocalVariableReferenceMatch) {
      LocalVariableReferenceMatch localVarRef = ((LocalVariableReferenceMatch) match);
      isWriteAccess = localVarRef.isWriteAccess();
      isReadAccess = localVarRef.isReadAccess();
    } else if (match instanceof LocalVariableDeclarationMatch) {
      isWriteAccess = true;
    }
    boolean isSuperInvocation = false;
    if (match instanceof MethodReferenceMatch) {
      MethodReferenceMatch methodRef = (MethodReferenceMatch) match;
      isSuperInvocation = methodRef.isSuperInvocation();
    }
    fSearch.addMatch(
        new JavaElementMatch(
            enclosingElement,
            match.getRule(),
            match.getOffset(),
            match.getLength(),
            match.getAccuracy(),
            isReadAccess,
            isWriteAccess,
            match.isInsideDocComment(),
            isSuperInvocation));
  }
}
 

private TextEdit collectMatch(SearchMatch match, IJavaElement element, ICompilationUnit unit, String newName) throws IndexOutOfBoundsException, JavaModelException {
	if (match instanceof MethodReferenceMatch && ((MethodReferenceMatch) match).isSuperInvocation() && match.getAccuracy() == SearchMatch.A_INACCURATE) {
		return null;
	}

	if (!(element instanceof IMethod) || match.isImplicit()) {
		return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
	}

	int start = match.getOffset();
	int length = match.getLength();
	String matchText = unit.getBuffer().getText(start, length);

	//direct match:
	if (newName.equals(matchText)) {
		return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
	}

	// lambda expression
	if (match instanceof MethodDeclarationMatch && match.getElement() instanceof IMethod && ((IMethod) match.getElement()).isLambdaMethod()) {
		// don't touch the lambda
		return null;
	}

	//Not a standard reference -- use scanner to find last identifier token before left parenthesis:
	IScanner scanner = getScanner(unit);
	scanner.setSource(matchText.toCharArray());
	int simpleNameStart = -1;
	int simpleNameEnd = -1;
	try {
		int token = scanner.getNextToken();
		while (token != ITerminalSymbols.TokenNameEOF && token != ITerminalSymbols.TokenNameLPAREN) { // reference in code includes arguments in parentheses
			if (token == ITerminalSymbols.TokenNameIdentifier) {
				simpleNameStart = scanner.getCurrentTokenStartPosition();
				simpleNameEnd = scanner.getCurrentTokenEndPosition();
			}
			token = scanner.getNextToken();
		}
	} catch (InvalidInputException e) {
		//ignore
	}
	if (simpleNameStart != -1) {
		match.setOffset(start + simpleNameStart);
		match.setLength(simpleNameEnd + 1 - simpleNameStart);
	}
	return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
}
 

@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match) throws CoreException {
  if (match instanceof MethodReferenceMatch
      && ((MethodReferenceMatch) match).isSuperInvocation()
      && match.getAccuracy() == SearchMatch.A_INACCURATE) {
    return; // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=156491
  }

  if (match.isImplicit()) { // see bug 94062
    collectMatch(match);
    return;
  }

  int start = match.getOffset();
  int length = match.getLength();
  String matchText = unit.getBuffer().getText(start, length);

  // direct match:
  if (fName.equals(matchText)) {
    collectMatch(match);
    return;
  }

  // lambda expression
  if (match instanceof MethodDeclarationMatch
      && match.getElement() instanceof IMethod
      && ((IMethod) match.getElement()).isLambdaMethod()) {
    // don't touch the lambda
    return;
  }

  // Not a standard reference -- use scanner to find last identifier token before left
  // parenthesis:
  IScanner scanner = getScanner(unit);
  scanner.setSource(matchText.toCharArray());
  int simpleNameStart = -1;
  int simpleNameEnd = -1;
  try {
    int token = scanner.getNextToken();
    while (token != ITerminalSymbols.TokenNameEOF
        && token
            != ITerminalSymbols
                .TokenNameLPAREN) { // reference in code includes arguments in parentheses
      if (token == ITerminalSymbols.TokenNameIdentifier) {
        simpleNameStart = scanner.getCurrentTokenStartPosition();
        simpleNameEnd = scanner.getCurrentTokenEndPosition();
      }
      token = scanner.getNextToken();
    }
  } catch (InvalidInputException e) {
    // ignore
  }
  if (simpleNameStart != -1) {
    match.setOffset(start + simpleNameStart);
    match.setLength(simpleNameEnd + 1 - simpleNameStart);
  }
  collectMatch(match);
}
 

@Override
public ICompilationUnit[] getAffectedCompilationUnits(
    final RefactoringStatus status, ReferencesInBinaryContext binaryRefs, IProgressMonitor pm)
    throws CoreException {
  IMethod method = (IMethod) fMethodBinding.getJavaElement();
  Assert.isTrue(method != null);

  SearchPattern pattern =
      SearchPattern.createPattern(
          method, IJavaSearchConstants.REFERENCES, SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE);
  IJavaSearchScope scope = RefactoringScopeFactory.create(method, true, false);
  final HashSet<ICompilationUnit> affectedCompilationUnits = new HashSet<ICompilationUnit>();
  CollectingSearchRequestor requestor =
      new CollectingSearchRequestor(binaryRefs) {
        private ICompilationUnit fLastCU;

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
          if (filterMatch(match)) return;
          if (match.isInsideDocComment())
            return; // TODO: should warn user (with something like a ReferencesInBinaryContext)

          ICompilationUnit unit = SearchUtils.getCompilationUnit(match);
          if (match.getAccuracy() == SearchMatch.A_INACCURATE) {
            if (unit != null) {
              status.addError(
                  RefactoringCoreMessages.TargetProvider_inaccurate_match,
                  JavaStatusContext.create(
                      unit, new SourceRange(match.getOffset(), match.getLength())));
            } else {
              status.addError(RefactoringCoreMessages.TargetProvider_inaccurate_match);
            }
          } else if (unit != null) {
            if (!unit.equals(fLastCU)) {
              fLastCU = unit;
              affectedCompilationUnits.add(unit);
            }
          }
        }
      };
  new SearchEngine()
      .search(
          pattern,
          SearchUtils.getDefaultSearchParticipants(),
          scope,
          requestor,
          new SubProgressMonitor(pm, 1));
  return affectedCompilationUnits.toArray(
      new ICompilationUnit[affectedCompilationUnits.size()]);
}
 

public static ICompilationUnit[] findAffectedCompilationUnits(
    SearchPattern pattern,
    IJavaSearchScope scope,
    final IProgressMonitor pm,
    RefactoringStatus status,
    final boolean tolerateInAccurateMatches)
    throws JavaModelException {

  boolean hasNonCuMatches = false;

  class ResourceSearchRequestor extends SearchRequestor {
    boolean hasPotentialMatches = false;
    Set<IResource> resources = new HashSet<IResource>(5);
    private IResource fLastResource;

    @Override
    public void acceptSearchMatch(SearchMatch match) {
      if (!tolerateInAccurateMatches && match.getAccuracy() == SearchMatch.A_INACCURATE) {
        hasPotentialMatches = true;
      }
      if (fLastResource != match.getResource()) {
        fLastResource = match.getResource();
        resources.add(fLastResource);
      }
    }
  }
  ResourceSearchRequestor requestor = new ResourceSearchRequestor();
  try {
    new SearchEngine()
        .search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
  } catch (CoreException e) {
    throw new JavaModelException(e);
  }

  List<IJavaElement> result = new ArrayList<IJavaElement>(requestor.resources.size());
  for (Iterator<IResource> iter = requestor.resources.iterator(); iter.hasNext(); ) {
    IResource resource = iter.next();
    IJavaElement element = JavaCore.create(resource);
    if (element instanceof ICompilationUnit) {
      result.add(element);
    } else {
      hasNonCuMatches = true;
    }
  }
  addStatusErrors(status, requestor.hasPotentialMatches, hasNonCuMatches);
  return result.toArray(new ICompilationUnit[result.size()]);
}
 

@Override
public boolean filters(JavaElementMatch match) {
  return match.getAccuracy() == SearchMatch.A_INACCURATE;
}