/* * 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.
*/
/** * A task to configure and run the disassembler tool, javap.
*/ publicclass 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; returnthis;
}
/** * Sets the options. * @param options the options * @return this task object
*/ public JavapTask options(String... options) { this.options = Arrays.asList(options); returnthis;
}
/** * Sets the classes to be analyzed. * @param classes the classes * @return this task object
*/ public JavapTask classes(String... classes) { this.classes = Arrays.asList(classes); returnthis;
}
/** * {@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);
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