Java TextFileChange类代码示例

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
private static TextChange addTextEditFromRewrite(
    TextChangeManager manager, ICompilationUnit cu, ASTRewrite rewrite) throws CoreException {
  try {
    ITextFileBuffer buffer = RefactoringFileBuffers.acquire(cu);
    TextEdit resultingEdits =
        rewrite.rewriteAST(buffer.getDocument(), cu.getJavaProject().getOptions(true));
    TextChange textChange = manager.get(cu);
    if (textChange instanceof TextFileChange) {
      TextFileChange tfc = (TextFileChange) textChange;
      tfc.setSaveMode(TextFileChange.KEEP_SAVE_STATE);
    }
    String message = RefactoringCoreMessages.DeleteChangeCreator_1;
    TextChangeCompatibility.addTextEdit(textChange, message, resultingEdits);
    return textChange;
  } finally {
    RefactoringFileBuffers.release(cu);
  }
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public Change getSingleChange(IFile[] alreadyTouchedFiles) {
  Collection<TextChange> values = fChanges.values();
  if (values.size() == 0) return null;

  CompositeChange result =
      new CompositeChange(RefactoringCoreMessages.QualifiedNameSearchResult_change_name);
  result.markAsSynthetic();
  List<IFile> files = Arrays.asList(alreadyTouchedFiles);
  for (Iterator<TextChange> iter = values.iterator(); iter.hasNext(); ) {
    TextFileChange change = (TextFileChange) iter.next();
    if (!files.contains(change.getFile())) {
      result.add(change);
    }
  }
  return result;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public TextFileChange getChange(IFile file) throws CoreException {
  final SelfEncapsulateFieldRefactoring refactoring =
      new SelfEncapsulateFieldRefactoring(fField);
  refactoring.setVisibility(Flags.AccPublic);
  refactoring.setConsiderVisibility(
      false); // private field references are just searched in local file
  refactoring.checkInitialConditions(new NullProgressMonitor());
  refactoring.checkFinalConditions(new NullProgressMonitor());
  Change createdChange = refactoring.createChange(new NullProgressMonitor());
  if (createdChange instanceof CompositeChange) {
    Change[] children = ((CompositeChange) createdChange).getChildren();
    for (int i = 0; i < children.length; i++) {
      Change curr = children[i];
      if (curr instanceof TextFileChange && ((TextFileChange) curr).getFile().equals(file)) {
        return (TextFileChange) curr;
      }
    }
  }
  return null;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
private void addToTextChangeMap(Change change) {
  if (change instanceof TextChange) {
    Object element = ((TextChange) change).getModifiedElement();
    if (element != null) {
      fTextChangeMap.put(element, change);
    }
    // check if we have a subclass of TextFileChange. If so also put the change
    // under the file resource into the hash table if possible.
    if (change instanceof TextFileChange && !change.getClass().equals(TextFileChange.class)) {
      IFile file = ((TextFileChange) change).getFile();
      fTextChangeMap.put(file, change);
    }
  } else if (change instanceof CompositeChange) {
    Change[] children = ((CompositeChange) change).getChildren();
    for (int i = 0; i < children.length; i++) {
      addToTextChangeMap(children[i]);
    }
  }
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public void testCreateChange() {
  JsniTypeReferenceChangeFactory factory = new JsniTypeReferenceChangeFactory(
      null);

  // This file doesn't need to actually exist in the workspace
  IFile file = Util.getWorkspaceRoot().getFile(
      new Path("/Project/src/com/google/gwt/GWT.java"));

  // Create a change and verify its properties
  TextFileChange change = factory.createChange(file);
  assertEquals(file, change.getFile());

  assertTrue(change instanceof IJsniTypeReferenceChange);
  IJsniTypeReferenceChange jsniRefChange = (IJsniTypeReferenceChange) change;

  ICompilationUnit cu = (ICompilationUnit) JavaCore.create(file);
  assertEquals(jsniRefChange.getCompilationUnit(), cu);
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public void testPerform() throws CoreException {
  // Create a dummy change for updating references in RefactorTest.java
  // to the class R to its new name 'RRR'
  ICompilationUnit cu = refactorTestClass.getCompilationUnit();
  GWTRefactoringSupport support = new DummyRefactoringSupport();
  JsniReferenceChangeFactory factory = new JsniReferenceChangeFactory(support);
  IJsniReferenceChange jsniChange = factory.createChange(cu);

  // Add one dummy edit to the change
  TextEdit oldRootEdit = new MultiTextEdit();
  oldRootEdit.addChild(new ReplaceEdit(252, 0, ""));
  ((TextFileChange)jsniChange).setEdit(oldRootEdit);

  // Perform the change (this should replace the original edits with new ones
  // with the correct offsets).
  ((TextFileChange)jsniChange).perform(new NullProgressMonitor());

  // Verify that the change still has one edit
  TextEdit newRootEdit = ((TextFileChange)jsniChange).getEdit();
  assertEquals(1, newRootEdit.getChildrenSize());
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public void testCreateChange() {
  JsniReferenceChangeFactory factory = new JsniReferenceChangeFactory(null);

  // This file doesn't need to actually exist in the workspace
  IFile file = Util.getWorkspaceRoot().getFile(
      new Path("/Project/src/com/google/gwt/GWT.java"));

  // Create a change and verify its properties
  TextFileChange change = factory.createChange(file);
  assertEquals(file, change.getFile());

  assertTrue(change instanceof IJsniReferenceChange);
  IJsniReferenceChange jsniRefChange = (IJsniReferenceChange) change;
  ICompilationUnit cu = (ICompilationUnit) JavaCore.create(file);
  assertEquals(jsniRefChange.getCompilationUnit(), cu);
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
/**
 * Destructively clones a {@link CompilationUnitChange} where the cloned
 * change will have a different compilation unit. This does not update text
 * regions or anything more than setting the change properties and moving text
 * edits from the old to new change.
 * 
 * @param originalChange the original change, this change's internal state
 *          will likely become invalid (its text edits will be moved to the
 *          new change)
 * @param cu the compilation unit to be used for the new
 *          {@link CompilationUnitChange}
 * @return the cloned {@link CompilationUnitChange}
 */
public static CompilationUnitChange cloneCompilationUnitChangeWithDifferentCu(
    TextFileChange originalChange, ICompilationUnit cu) {
  CompilationUnitChange newChange = new CompilationUnitChange(
      originalChange.getName(), cu);

  newChange.setEdit(originalChange.getEdit());
  newChange.setEnabledShallow(originalChange.isEnabled());
  newChange.setKeepPreviewEdits(originalChange.getKeepPreviewEdits());
  newChange.setSaveMode(originalChange.getSaveMode());
  newChange.setTextType(originalChange.getTextType());

  // Copy the changes over
  TextEditUtilities.moveTextEditGroupsIntoChange(
      originalChange.getChangeGroups(), newChange);

  return newChange;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
/**
 * Creates a region updater change.
 * 
 * @param compilationUnitChange the compilation unit change whose text edits
 *          will be updated
 * @param regionUpdaters a list of updaters for text edits in the compilation
 *          unit change
 * @param referenceUpdater aids in finding the corresponding AST nodes for
 *          those that have been refactored (e.g. if FooService was renamed to
 *          BarService, this instance would pass that knowledge)
 */
public RegionUpdaterChange(String name, TextFileChange compilationUnitChange,
    List<RegionUpdater> regionUpdaters, ReferenceUpdater referenceUpdater) {
  super(name);
  assert compilationUnitChange.getModifiedElement() instanceof ICompilationUnit;

  this.compilationUnitChange = compilationUnitChange;
  this.regionUpdaters = regionUpdaters;
  this.referenceUpdater = referenceUpdater;

  // Do not show this in previews
  markAsSynthetic();

  // Wrap the original compilation unit
  add(compilationUnitChange);
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
private static TextChange addTextEditFromRewrite(TextChangeManager manager, ICompilationUnit cu, ASTRewrite rewrite) throws CoreException {
	try {
		ITextFileBuffer buffer= RefactoringFileBuffers.acquire(cu);
		TextEdit resultingEdits= rewrite.rewriteAST(buffer.getDocument(), cu.getJavaProject().getOptions(true));
		TextChange textChange= manager.get(cu);
		if (textChange instanceof TextFileChange) {
			TextFileChange tfc= (TextFileChange) textChange;
			tfc.setSaveMode(TextFileChange.KEEP_SAVE_STATE);
		}
		String message= RefactoringCoreMessages.DeleteChangeCreator_1;
		TextChangeCompatibility.addTextEdit(textChange, message, resultingEdits);
		return textChange;
	} finally {
		RefactoringFileBuffers.release(cu);
	}
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public static Change removeKeys(IPath propertyFilePath, List<String> keys) throws CoreException {

		String name= Messages.format(NLSMessages.NLSPropertyFileModifier_remove_from_property_file, BasicElementLabels.getPathLabel(propertyFilePath, false));
		TextChange textChange= new TextFileChange(name, getPropertyFile(propertyFilePath));
		textChange.setTextType("properties"); //$NON-NLS-1$

		PropertyFileDocumentModel model= new PropertyFileDocumentModel(textChange.getCurrentDocument(new NullProgressMonitor()));

		for (Iterator<String> iterator= keys.iterator(); iterator.hasNext();) {
			String key= iterator.next();
			TextEdit edit= model.remove(key);
			if (edit != null) {
				TextChangeCompatibility.addTextEdit(textChange, Messages.format(NLSMessages.NLSPropertyFileModifier_remove_entry, BasicElementLabels.getJavaElementName(key)), edit);
			}

		}
		return textChange;
	}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public Change getSingleChange(IFile[] alreadyTouchedFiles) {
	Collection<TextChange> values= fChanges.values();
	if (values.size() == 0)
		return null;

	CompositeChange result= new CompositeChange(RefactoringCoreMessages.QualifiedNameSearchResult_change_name);
	result.markAsSynthetic();
	List<IFile> files= Arrays.asList(alreadyTouchedFiles);
	for (Iterator<TextChange> iter= values.iterator(); iter.hasNext();) {
		TextFileChange change= (TextFileChange)iter.next();
		if (!files.contains(change.getFile())) {
			result.add(change);
		}
	}
	return result;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
public TextFileChange getChange(IFile file) throws CoreException {
	final SelfEncapsulateFieldRefactoring refactoring= new SelfEncapsulateFieldRefactoring(fField);
	refactoring.setVisibility(Flags.AccPublic);
	refactoring.setConsiderVisibility(false);//private field references are just searched in local file
	refactoring.checkInitialConditions(new NullProgressMonitor());
	refactoring.checkFinalConditions(new NullProgressMonitor());
	Change createdChange= refactoring.createChange(new NullProgressMonitor());
	if (createdChange instanceof CompositeChange) {
		Change[] children= ((CompositeChange) createdChange).getChildren();
		for (int i= 0; i < children.length; i++) {
			Change curr= children[i];
			if (curr instanceof TextFileChange && ((TextFileChange) curr).getFile().equals(file)) {
				return (TextFileChange) curr;
			}
		}
	}
	return null;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
@Override
public Change createChange(IProgressMonitor pm)
	throws CoreException, OperationCanceledException
{
	if (editsPerFiles.isEmpty())
		return null;

	pm.beginTask("Searching for references.", editsPerFiles.size());
	final CompositeChange changes = new CompositeChange("Update mapper element ID");
	int workCount = 0;
	for (Entry<IFile, List<ReplaceEdit>> editsPerFile : editsPerFiles.entrySet())
	{
		IFile file = editsPerFile.getKey();
		TextChange change = new TextFileChange(file.getName(), file);
		TextEdit editRoot = new MultiTextEdit();
		change.setEdit(editRoot);
		for (ReplaceEdit edit : editsPerFile.getValue())
		{
			editRoot.addChild(edit);
		}
		changes.add(change);
		pm.worked(++workCount);
	}
	pm.done();
	return changes;
}
 

import org.eclipse.ltk.core.refactoring.TextFileChange; //导入依赖的package包/类
protected Change createChange() throws CoreException {
  final Change change = fClasspathFixProposal.createChange(null);
  if (fImportRewrites != null) {
    final CompositeChange composite = new CompositeChange(getDisplayString());
    composite.add(change);
    for (final ImportRewrite ir : fImportRewrites) {
      final TextFileChange cuChange = new TextFileChange("Add import", //$NON-NLS-1$
          (IFile) ir.getCompilationUnit().getResource());
      cuChange.setEdit(ir.rewriteImports(null));
      composite.add(cuChange);
    }
    return composite;
  }
  return change;
}