Java ISourceRange类代码示例

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private OpenDeclarationDescriptor classFileNavigation(IClassFile classFile, IJavaElement element)
    throws JavaModelException {
  OpenDeclarationDescriptor dto =
      DtoFactory.getInstance().createDto(OpenDeclarationDescriptor.class);
  dto.setPath(classFile.getType().getFullyQualifiedName());
  dto.setLibId(classFile.getAncestor(IPackageFragmentRoot.PACKAGE_FRAGMENT_ROOT).hashCode());
  dto.setBinary(true);
  if (classFile.getSourceRange() != null) {
    if (element instanceof ISourceReference) {
      ISourceRange nameRange = ((ISourceReference) element).getNameRange();
      dto.setOffset(nameRange.getOffset());
      dto.setLength(nameRange.getLength());
    }
  }
  return dto;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private void handleType(IType type, IFile file, List<ServiceImplementation> serviceImplementations) throws JavaModelException {
	/* Parcourt les méthodes. */
	for (IMethod method : type.getMethods()) {
		/* Filtre pour ne garder que les méthodes publiques d'instance */
		if (method.isConstructor() || Flags.isStatic(method.getFlags()) || Flags.isPrivate(method.getFlags())) {
			continue;
		}

		/* Créé le ServiceImplementation. */
		String javaName = method.getElementName();
		ISourceRange nameRange = method.getNameRange();
		FileRegion fileRegion = new FileRegion(file, nameRange.getOffset(), nameRange.getLength());
		ServiceImplementation serviceImplementation = new ServiceImplementation(fileRegion, javaName);
		serviceImplementations.add(serviceImplementation);
	}
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private void handleType(IType type, IFile file, List<DaoImplementation> daoImplementations) throws JavaModelException {
	/* Parcourt les méthodes. */
	for (IMethod method : type.getMethods()) {
		/* Filtre pour ne garder que les méthodes publiques d'instance */
		if (method.isConstructor() || Flags.isStatic(method.getFlags()) || Flags.isPrivate(method.getFlags())) {
			continue;
		}

		/* Créé le DaoImplementation. */
		String javaName = method.getElementName();
		ISourceRange nameRange = method.getNameRange();
		FileRegion fileRegion = new FileRegion(file, nameRange.getOffset(), nameRange.getLength());
		DaoImplementation daoImplementation = new DaoImplementation(fileRegion, javaName);
		daoImplementations.add(daoImplementation);
	}
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
/**
 * Creates a location for a given java element.
 * Element can be a {@link ICompilationUnit} or {@link IClassFile}
 *
 * @param element
 * @return location or null
 * @throws JavaModelException
 */
public static Location toLocation(IJavaElement element) throws JavaModelException{
	ICompilationUnit unit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
	IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
	if (unit == null && cf == null) {
		return null;
	}
	if (element instanceof ISourceReference) {
		ISourceRange nameRange = getNameRange(element);
		if (SourceRange.isAvailable(nameRange)) {
			if (cf == null) {
				return toLocation(unit, nameRange.getOffset(), nameRange.getLength());
			} else {
				return toLocation(cf, nameRange.getOffset(), nameRange.getLength());
			}
		}
	}
	return null;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private static ISourceRange getNameRange(IJavaElement element) throws JavaModelException {
	ISourceRange nameRange = null;
	if (element instanceof IMember) {
		IMember member = (IMember) element;
		nameRange = member.getNameRange();
		if ( (!SourceRange.isAvailable(nameRange))) {
			nameRange = member.getSourceRange();
		}
	} else if (element instanceof ITypeParameter || element instanceof ILocalVariable) {
		nameRange = ((ISourceReference) element).getNameRange();
	} else if (element instanceof ISourceReference) {
		nameRange = ((ISourceReference) element).getSourceRange();
	}
	if (!SourceRange.isAvailable(nameRange) && element.getParent() != null) {
		nameRange = getNameRange(element.getParent());
	}
	return nameRange;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private int compareInTheSameType(IMethodBinding firstMethodBinding, IMethodBinding secondMethodBinding) {
	try {
		IMethod firstMethod= (IMethod)firstMethodBinding.getJavaElement();
		IMethod secondMethod= (IMethod)secondMethodBinding.getJavaElement();
		if (firstMethod == null || secondMethod == null) {
			return 0;
		}
		ISourceRange firstSourceRange= firstMethod.getSourceRange();
		ISourceRange secondSourceRange= secondMethod.getSourceRange();

		if (!SourceRange.isAvailable(firstSourceRange) || !SourceRange.isAvailable(secondSourceRange)) {
			return firstMethod.getElementName().compareTo(secondMethod.getElementName());
		} else {
			return firstSourceRange.getOffset() - secondSourceRange.getOffset();
		}
	} catch (JavaModelException e) {
		return 0;
	}
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
/**
 * Evaluates the insertion position of a new node.
 *
 * @param listRewrite The list rewriter to which the new node will be added
 * @param sibling The Java element before which the new element should be added.
 * @return the AST node of the list to insert before or null to insert as last.
 * @throws JavaModelException thrown if accessing the Java element failed
 */

public static ASTNode getNodeToInsertBefore(ListRewrite listRewrite, IJavaElement sibling) throws JavaModelException {
	if (sibling instanceof IMember) {
		ISourceRange sourceRange= ((IMember) sibling).getSourceRange();
		if (sourceRange == null) {
			return null;
		}
		int insertPos= sourceRange.getOffset();

		List<? extends ASTNode> members= listRewrite.getOriginalList();
		for (int i= 0; i < members.size(); i++) {
			ASTNode curr= members.get(i);
			if (curr.getStartPosition() >= insertPos) {
				return curr;
			}
		}
	}
	return null;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
/**
 * Gets a reader for an IMember's Javadoc comment content from the source attachment.
 * The content does contain only the text from the comment without the Javadoc leading star characters.
 * Returns <code>null</code> if the member does not contain a Javadoc comment or if no source is available.
 * @param member The member to get the Javadoc of.
 * @return Returns a reader for the Javadoc comment content or <code>null</code> if the member
 * does not contain a Javadoc comment or if no source is available
 * @throws JavaModelException is thrown when the elements javadoc can not be accessed
 * @since 3.4
 */
private static Reader internalGetContentReader(IMember member) throws JavaModelException {
	IBuffer buf= member.getOpenable().getBuffer();
	if (buf == null) {
		return null; // no source attachment found
	}

	ISourceRange javadocRange= member.getJavadocRange();
	if (javadocRange != null) {
		JavaDocCommentReader reader= new JavaDocCommentReader(buf, javadocRange.getOffset(), javadocRange.getOffset() + javadocRange.getLength() - 1);
		if (!containsOnlyInheritDoc(reader, javadocRange.getLength())) {
			reader.reset();
			return reader;
		}
	}

	return null;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
	super.addEdits(doc, root);

	ICompilationUnit cu= getCompilationUnit();

	IPackageFragment parentPack= (IPackageFragment) cu.getParent();
	IPackageDeclaration[] decls= cu.getPackageDeclarations();

	if (parentPack.isDefaultPackage() && decls.length > 0) {
		for (int i= 0; i < decls.length; i++) {
			ISourceRange range= decls[i].getSourceRange();
			root.addChild(new DeleteEdit(range.getOffset(), range.getLength()));
		}
		return;
	}
	if (!parentPack.isDefaultPackage() && decls.length == 0) {
		String lineDelim = "\n";
		String str= "package " + parentPack.getElementName() + ';' + lineDelim + lineDelim; //$NON-NLS-1$
		root.addChild(new InsertEdit(0, str));
		return;
	}

	root.addChild(new ReplaceEdit(fLocation.getOffset(), fLocation.getLength(), parentPack.getElementName()));
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
public static IExpressionFragment createSubPartFragmentBySourceRange(
    InfixExpression node, ISourceRange range, ICompilationUnit cu) throws JavaModelException {
  Assert.isNotNull(node);
  Assert.isNotNull(range);
  Assert.isTrue(!Util.covers(range, node));
  Assert.isTrue(Util.covers(SourceRangeFactory.create(node), range));

  if (!isAssociativeInfix(node)) return null;

  InfixExpression groupRoot = findGroupRoot(node);
  Assert.isTrue(isAGroupRoot(groupRoot));

  List<Expression> groupMembers =
      AssociativeInfixExpressionFragment.findGroupMembersInOrderFor(groupRoot);
  List<Expression> subGroup = findSubGroupForSourceRange(groupMembers, range);
  if (subGroup.isEmpty() || rangeIncludesExtraNonWhitespace(range, subGroup, cu)) return null;

  return new AssociativeInfixExpressionFragment(groupRoot, subGroup);
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private int compareInTheSameType(
    IMethodBinding firstMethodBinding, IMethodBinding secondMethodBinding) {
  try {
    IMethod firstMethod = (IMethod) firstMethodBinding.getJavaElement();
    IMethod secondMethod = (IMethod) secondMethodBinding.getJavaElement();
    if (firstMethod == null || secondMethod == null) {
      return 0;
    }
    ISourceRange firstSourceRange = firstMethod.getSourceRange();
    ISourceRange secondSourceRange = secondMethod.getSourceRange();

    if (!SourceRange.isAvailable(firstSourceRange)
        || !SourceRange.isAvailable(secondSourceRange)) {
      return firstMethod.getElementName().compareTo(secondMethod.getElementName());
    } else {
      return firstSourceRange.getOffset() - secondSourceRange.getOffset();
    }
  } catch (JavaModelException e) {
    return 0;
  }
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
/**
 * Evaluates the insertion position of a new node.
 *
 * @param listRewrite The list rewriter to which the new node will be added
 * @param sibling The Java element before which the new element should be added.
 * @return the AST node of the list to insert before or null to insert as last.
 * @throws JavaModelException thrown if accessing the Java element failed
 */
public static ASTNode getNodeToInsertBefore(ListRewrite listRewrite, IJavaElement sibling)
    throws JavaModelException {
  if (sibling instanceof IMember) {
    ISourceRange sourceRange = ((IMember) sibling).getSourceRange();
    if (sourceRange == null) {
      return null;
    }
    int insertPos = sourceRange.getOffset();

    List<? extends ASTNode> members = listRewrite.getOriginalList();
    for (int i = 0; i < members.size(); i++) {
      ASTNode curr = members.get(i);
      if (curr.getStartPosition() >= insertPos) {
        return curr;
      }
    }
  }
  return null;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private static void addReferenceShadowedError(
    ICompilationUnit cu, SearchMatch newMatch, String newElementName, RefactoringStatus result) {
  // Found a new match with no corresponding old match.
  // -> The new match is a reference which was pointing to another element,
  // but that other element has been shadowed

  // TODO: should not have to filter declarations:
  if (newMatch instanceof MethodDeclarationMatch || newMatch instanceof FieldDeclarationMatch)
    return;
  ISourceRange range = getOldSourceRange(newMatch);
  RefactoringStatusContext context = JavaStatusContext.create(cu, range);
  String message =
      Messages.format(
          RefactoringCoreMessages.RenameAnalyzeUtil_reference_shadowed,
          new String[] {
            BasicElementLabels.getFileName(cu),
            BasicElementLabels.getJavaElementName(newElementName)
          });
  result.addError(message, context);
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
private ArrayList<IJavaElement> getSortedChildren(IType parent) throws JavaModelException {
  IJavaElement[] children = parent.getChildren();
  ArrayList<IJavaElement> sortedChildren = new ArrayList<IJavaElement>(Arrays.asList(children));
  Collections.sort(
      sortedChildren,
      new Comparator<IJavaElement>() {
        public int compare(IJavaElement e1, IJavaElement e2) {
          if (!(e1 instanceof ISourceReference)) return 0;
          if (!(e2 instanceof ISourceReference)) return 0;

          try {
            ISourceRange sr1 = ((ISourceReference) e1).getSourceRange();
            ISourceRange sr2 = ((ISourceReference) e2).getSourceRange();
            if (sr1 == null || sr2 == null) return 0;

            return sr1.getOffset() - sr2.getOffset();

          } catch (JavaModelException e) {
            return 0;
          }
        }
      });
  return sortedChildren;
}
 

import org.eclipse.jdt.core.ISourceRange; //导入依赖的package包/类
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
  if (fVisibility < 0)
    fVisibility = (fField.getFlags() & (Flags.AccPublic | Flags.AccProtected | Flags.AccPrivate));
  RefactoringStatus result = new RefactoringStatus();
  result.merge(Checks.checkAvailability(fField));
  if (result.hasFatalError()) return result;
  fRoot =
      new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL)
          .parse(fField.getCompilationUnit(), true, pm);
  ISourceRange sourceRange = fField.getNameRange();
  ASTNode node = NodeFinder.perform(fRoot, sourceRange.getOffset(), sourceRange.getLength());
  if (node == null) {
    return mappingErrorFound(result, node);
  }
  fFieldDeclaration =
      (VariableDeclarationFragment) ASTNodes.getParent(node, VariableDeclarationFragment.class);
  if (fFieldDeclaration == null) {
    return mappingErrorFound(result, node);
  }
  if (fFieldDeclaration.resolveBinding() == null) {
    if (!processCompilerError(result, node))
      result.addFatalError(RefactoringCoreMessages.SelfEncapsulateField_type_not_resolveable);
    return result;
  }
  computeUsedNames();
  return result;
}