| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.fix; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.jdt.core.dom.rewrite.ITrackedNodePosition; |
| |
| import org.eclipse.jdt.internal.corext.fix.LinkedProposalPositionGroup.PositionInformation; |
| |
| public class LinkedProposalModel { |
| |
| private Map<String, LinkedProposalPositionGroup> fPositionGroups; |
| private LinkedProposalPositionGroup.PositionInformation fEndPosition; |
| |
| public void addPositionGroup(LinkedProposalPositionGroup positionGroup) { |
| if (positionGroup == null) { |
| throw new IllegalArgumentException("positionGroup must not be null"); //$NON-NLS-1$ |
| } |
| |
| if (fPositionGroups == null) { |
| fPositionGroups= new HashMap<>(); |
| } |
| fPositionGroups.put(positionGroup.getGroupId(), positionGroup); |
| } |
| |
| public LinkedProposalPositionGroup getPositionGroup(String groupId, boolean createIfNotExisting) { |
| LinkedProposalPositionGroup group= fPositionGroups != null ? fPositionGroups.get(groupId) : null; |
| if (createIfNotExisting && group == null) { |
| group= new LinkedProposalPositionGroup(groupId); |
| addPositionGroup(group); |
| } |
| return group; |
| } |
| |
| public Iterator<LinkedProposalPositionGroup> getPositionGroupIterator() { |
| if (fPositionGroups == null) { |
| return new Iterator<LinkedProposalPositionGroup>() { |
| @Override |
| public boolean hasNext() {return false;} |
| @Override |
| public LinkedProposalPositionGroup next() {return null;} |
| @Override |
| public void remove() {throw new UnsupportedOperationException();} |
| }; |
| } |
| return fPositionGroups.values().iterator(); |
| } |
| |
| |
| /** |
| * Sets the end position of the linked mode to the end of the passed range. |
| * @param position The position that describes the end position of the linked mode. |
| */ |
| public void setEndPosition(PositionInformation position) { |
| fEndPosition= position; |
| } |
| |
| public void setEndPosition(ITrackedNodePosition position) { |
| setEndPosition(LinkedProposalPositionGroup.createPositionInformation(position, 1)); |
| } |
| |
| public PositionInformation getEndPosition() { |
| return fEndPosition; |
| } |
| |
| public boolean hasLinkedPositions() { |
| return fPositionGroups != null && !fPositionGroups.isEmpty(); |
| } |
| |
| public void clear() { |
| fPositionGroups= null; |
| fEndPosition= null; |
| } |
| |
| } |