| /******************************************************************************* |
| * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors |
| * 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: |
| * John Keeping - initial implementation |
| * Marc R. Hoffmann - rework |
| * |
| *******************************************************************************/ |
| package org.jacoco.cli.internal.commands; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.jacoco.cli.internal.Command; |
| import org.jacoco.core.instr.Instrumenter; |
| import org.jacoco.core.runtime.OfflineInstrumentationAccessGenerator; |
| import org.kohsuke.args4j.Argument; |
| import org.kohsuke.args4j.Option; |
| |
| /** |
| * The <code>instrument</code> command. |
| */ |
| public class Instrument extends Command { |
| |
| @Option(name = "--dest", usage = "path to write instrumented Java classes to", metaVar = "<dir>", required = true) |
| File dest; |
| |
| @Argument(usage = "list of folder or files to instrument recusively", metaVar = "<sourcefiles>") |
| List<File> source = new ArrayList<File>(); |
| |
| private Instrumenter instrumenter; |
| |
| @Override |
| public String description() { |
| return "Off-line instrumentation of Java class files and JAR files."; |
| } |
| |
| @Override |
| public int execute(final PrintWriter out, final PrintWriter err) |
| throws IOException { |
| final File absoluteDest = dest.getAbsoluteFile(); |
| instrumenter = new Instrumenter( |
| new OfflineInstrumentationAccessGenerator()); |
| int total = 0; |
| for (final File s : source) { |
| if (s.isFile()) { |
| total += instrument(s, new File(absoluteDest, s.getName())); |
| } else { |
| total += instrumentRecursive(s, absoluteDest); |
| } |
| } |
| out.printf("[INFO] %s classes instrumented to %s.%n", |
| Integer.valueOf(total), absoluteDest); |
| return 0; |
| } |
| |
| private int instrumentRecursive(final File src, final File dest) |
| throws IOException { |
| int total = 0; |
| if (src.isDirectory()) { |
| for (final File child : src.listFiles()) { |
| total += instrumentRecursive(child, |
| new File(dest, child.getName())); |
| } |
| } else { |
| total += instrument(src, dest); |
| } |
| return total; |
| } |
| |
| private int instrument(final File src, final File dest) throws IOException { |
| dest.getParentFile().mkdirs(); |
| final InputStream input = new FileInputStream(src); |
| try { |
| final OutputStream output = new FileOutputStream(dest); |
| try { |
| return instrumenter.instrumentAll(input, output, |
| src.getAbsolutePath()); |
| } finally { |
| output.close(); |
| } |
| } catch (final IOException e) { |
| dest.delete(); |
| throw e; |
| } finally { |
| input.close(); |
| } |
| } |
| |
| } |