| /* |
| * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package toolbox; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * A task to configure and run the disassembler tool, javap. |
| */ |
| public class JavapTask extends AbstractTask<JavapTask> { |
| private String classpath; |
| private List<String> options; |
| private List<String> classes; |
| |
| /** |
| * Create a task to execute {@code javap} using {@code CMDLINE} mode. |
| * @param toolBox the {@code ToolBox} to use |
| */ |
| public JavapTask(ToolBox toolBox) { |
| super(toolBox, Task.Mode.CMDLINE); |
| } |
| |
| /** |
| * Sets the classpath. |
| * @param classpath the classpath |
| * @return this task object |
| */ |
| public JavapTask classpath(String classpath) { |
| this.classpath = classpath; |
| return this; |
| } |
| |
| /** |
| * Sets the options. |
| * @param options the options |
| * @return this task object |
| */ |
| public JavapTask options(String... options) { |
| this.options = Arrays.asList(options); |
| return this; |
| } |
| |
| /** |
| * Sets the classes to be analyzed. |
| * @param classes the classes |
| * @return this task object |
| */ |
| public JavapTask classes(String... classes) { |
| this.classes = Arrays.asList(classes); |
| return this; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * @return the name "javap" |
| */ |
| @Override |
| public String name() { |
| return "javap"; |
| } |
| |
| /** |
| * Calls the javap tool with the arguments as currently configured. |
| * @return a Result object indicating the outcome of the task |
| * and the content of any output written to stdout, stderr, or the |
| * main stream. |
| * @throws TaskError if the outcome of the task is not as expected. |
| */ |
| @Override |
| public Task.Result run() { |
| List<String> args = new ArrayList<>(); |
| if (options != null) |
| args.addAll(options); |
| if (classpath != null) { |
| args.add("-classpath"); |
| args.add(classpath); |
| } |
| if (classes != null) |
| args.addAll(classes); |
| |
| AbstractTask.WriterOutput direct = new AbstractTask.WriterOutput(); |
| // These are to catch output to System.out and System.err, |
| // in case these are used instead of the primary streams |
| AbstractTask.StreamOutput sysOut = new AbstractTask.StreamOutput(System.out, System::setOut); |
| AbstractTask.StreamOutput sysErr = new AbstractTask.StreamOutput(System.err, System::setErr); |
| |
| int rc; |
| Map<Task.OutputKind, String> outputMap = new HashMap<>(); |
| try { |
| rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), direct.pw); |
| } finally { |
| outputMap.put(Task.OutputKind.STDOUT, sysOut.close()); |
| outputMap.put(Task.OutputKind.STDERR, sysErr.close()); |
| outputMap.put(Task.OutputKind.DIRECT, direct.close()); |
| } |
| return checkExit(new Task.Result(toolBox, this, rc, outputMap)); |
| } |
| } |