| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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.ui.tests.performance; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IWorkspaceDescription; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.IncrementalProjectBuilder; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.ui.tests.harness.util.FileTool; |
| |
| public class ResourceTestHelper { |
| |
| public static void replicate(String src, String destPrefix, String destSuffix, int n) throws CoreException { |
| for (int i= 0; i < n; i++) |
| copy(src, destPrefix + i + destSuffix); |
| } |
| |
| public static void copy(String src, String dest) throws CoreException { |
| IFile file= getRoot().getFile(new Path(src)); |
| file.copy(new Path(dest), true, null); |
| } |
| |
| public static void delete(String file) throws CoreException { |
| getRoot().getFile(new Path(file)).delete(true, null); |
| } |
| |
| public static IFile findFile(String path) { |
| return getRoot().getFile(new Path(path)); |
| } |
| |
| public static IFile[] findFiles(String prefix, String suffix, int i, int n) { |
| IWorkspaceRoot root= getRoot(); |
| List<IFile> files = new ArrayList<>(n - i); |
| for (int j= i; j < i + n; j++) { |
| String path= root.getLocation().toString() + "/" + prefix + j + suffix; |
| files.add(findFile(path)); |
| } |
| return files.toArray(new IFile[files.size()]); |
| } |
| |
| public static StringBuilder read(String src) throws IOException, CoreException { |
| return FileTool.readToBuilder(new InputStreamReader(getRoot().getFile(new Path(src)).getContents())); |
| } |
| |
| public static void write(String dest, final String content) throws IOException, CoreException { |
| InputStream stream= new InputStream() { |
| private Reader fReader= new StringReader(content); |
| @Override |
| public int read() throws IOException { |
| return fReader.read(); |
| } |
| }; |
| getRoot().getFile(new Path(dest)).create(stream, true, null); |
| } |
| |
| |
| public static void replicate(String src, String destPrefix, String destSuffix, int n, String srcName, String destNamePrefix) throws IOException, CoreException { |
| |
| StringBuilder s = read(src); |
| |
| List<Integer> positions = identifierPositions(s, srcName); |
| |
| for (int j= 0; j < n; j++) { |
| StringBuilder c = new StringBuilder(s.toString()); |
| replacePositions(c, srcName.length(), destNamePrefix + j, positions); |
| write(destPrefix + j + destSuffix, c.toString()); |
| } |
| } |
| |
| public static void copy(String src, String dest, String srcName, String destName) throws IOException, CoreException { |
| StringBuilder buf = read(src); |
| List<Integer> positions = identifierPositions(buf, srcName); |
| replacePositions(buf, srcName.length(), destName, positions); |
| write(dest, buf.toString()); |
| } |
| |
| private static void replacePositions(StringBuilder c, int origLength, String string, List<Integer> positions) { |
| int offset= 0; |
| for (Integer integer : positions) { |
| int position= integer.intValue(); |
| c.replace(offset + position, offset + position + origLength, string); |
| offset += string.length() - origLength; |
| } |
| } |
| |
| private static List<Integer> identifierPositions(StringBuilder buffer, String identifier) { |
| List<Integer> positions = new ArrayList<>(); |
| int i= -1; |
| while (true) { |
| i= buffer.indexOf(identifier, i + 1); |
| if (i == -1) |
| break; |
| if (i > 0 && Character.isJavaIdentifierPart(buffer.charAt(i - 1))) |
| continue; |
| if (i < buffer.length() - 1 && Character.isJavaIdentifierPart(buffer.charAt(i + identifier.length()))) |
| continue; |
| positions.add(Integer.valueOf(i)); |
| } |
| return positions; |
| } |
| |
| private static IWorkspaceRoot getRoot() { |
| return ResourcesPlugin.getWorkspace().getRoot(); |
| } |
| |
| public static boolean enableAutoBuilding() { |
| IWorkspaceDescription description= ResourcesPlugin.getWorkspace().getDescription(); |
| boolean wasOff= !description.isAutoBuilding(); |
| if (wasOff) |
| description.setAutoBuilding(true); |
| return wasOff; |
| } |
| |
| public static void incrementalBuild() throws CoreException { |
| ResourcesPlugin.getWorkspace().build(IncrementalProjectBuilder.INCREMENTAL_BUILD, null); |
| } |
| |
| public static void fullBuild() throws CoreException { |
| ResourcesPlugin.getWorkspace().build(IncrementalProjectBuilder.FULL_BUILD, null); |
| } |
| |
| public static boolean disableAutoBuilding() { |
| IWorkspaceDescription description= ResourcesPlugin.getWorkspace().getDescription(); |
| boolean wasOn= description.isAutoBuilding(); |
| if (wasOn) |
| description.setAutoBuilding(false); |
| return wasOn; |
| } |
| } |