| /******************************************************************************* |
| * Copyright (c) 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Red Hat Inc. - copied from LinkedProposalModel |
| *******************************************************************************/ |
| 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.LinkedProposalPositionGroupCore.PositionInformation; |
| |
| public class LinkedProposalModelCore { |
| |
| private Map<String, LinkedProposalPositionGroupCore> fPositionGroups; |
| private LinkedProposalPositionGroupCore.PositionInformation fEndPosition; |
| |
| public void addPositionGroup(LinkedProposalPositionGroupCore 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); |
| } |
| |
| protected LinkedProposalPositionGroupCore createPositionGroup(String groupId) { |
| return new LinkedProposalPositionGroupCore(groupId); |
| } |
| |
| public LinkedProposalPositionGroupCore getPositionGroup(String groupId, boolean createIfNotExisting) { |
| LinkedProposalPositionGroupCore group= fPositionGroups != null ? fPositionGroups.get(groupId) : null; |
| if (createIfNotExisting && group == null) { |
| group= createPositionGroup(groupId); |
| addPositionGroup(group); |
| } |
| return group; |
| } |
| |
| public Iterator<LinkedProposalPositionGroupCore> getPositionGroupCoreIterator() { |
| if (fPositionGroups == null) { |
| return new Iterator<LinkedProposalPositionGroupCore>() { |
| @Override |
| public boolean hasNext() {return false;} |
| @Override |
| public LinkedProposalPositionGroupCore 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(LinkedProposalPositionGroupCore.createPositionInformation(position, 1)); |
| } |
| |
| public PositionInformation getEndPosition() { |
| return fEndPosition; |
| } |
| |
| public boolean hasLinkedPositions() { |
| return fPositionGroups != null && !fPositionGroups.isEmpty(); |
| } |
| |
| public void clear() { |
| fPositionGroups= null; |
| fEndPosition= null; |
| } |
| |
| } |