| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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 |
| *******************************************************************************/ |
| package org.eclipse.core.internal.resources; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| |
| public class SaveContext implements ISaveContext { |
| protected String pluginId; |
| protected int kind; |
| protected boolean needDelta; |
| protected boolean needSaveNumber; |
| protected SafeFileTable fileTable; |
| protected int previousSaveNumber; |
| protected IProject project; |
| |
| protected SaveContext(String pluginId, int kind, IProject project) throws CoreException { |
| this.kind = kind; |
| this.project = project; |
| this.pluginId = pluginId; |
| needDelta = false; |
| needSaveNumber = false; |
| fileTable = new SafeFileTable(pluginId); |
| previousSaveNumber = getWorkspace().getSaveManager().getSaveNumber(pluginId); |
| } |
| |
| public void commit() throws CoreException { |
| if (needSaveNumber) { |
| IPath oldLocation = getWorkspace().getMetaArea().getSafeTableLocationFor(pluginId); |
| getWorkspace().getSaveManager().setSaveNumber(pluginId, getSaveNumber()); |
| fileTable.setLocation(getWorkspace().getMetaArea().getSafeTableLocationFor(pluginId)); |
| fileTable.save(); |
| oldLocation.toFile().delete(); |
| } |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public IPath[] getFiles() { |
| return getFileTable().getFiles(); |
| } |
| |
| protected SafeFileTable getFileTable() { |
| return fileTable; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public int getKind() { |
| return kind; |
| } |
| |
| public String getPluginId() { |
| return pluginId; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public int getPreviousSaveNumber() { |
| return previousSaveNumber; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public IProject getProject() { |
| return project; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public int getSaveNumber() { |
| int result = getPreviousSaveNumber() + 1; |
| return result > 0 ? result : 1; |
| } |
| |
| protected Workspace getWorkspace() { |
| return (Workspace) ResourcesPlugin.getWorkspace(); |
| } |
| |
| public boolean isDeltaNeeded() { |
| return needDelta; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public IPath lookup(IPath file) { |
| return getFileTable().lookup(file); |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public void map(IPath file, IPath location) { |
| getFileTable().map(file, location); |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public void needDelta() { |
| needDelta = true; |
| } |
| |
| /** |
| * @see ISaveContext |
| */ |
| @Override |
| public void needSaveNumber() { |
| needSaveNumber = true; |
| } |
| } |