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Diffstat (limited to 'tools/runner/java/vogar/commands/Command.java')
-rw-r--r--tools/runner/java/vogar/commands/Command.java238
1 files changed, 0 insertions, 238 deletions
diff --git a/tools/runner/java/vogar/commands/Command.java b/tools/runner/java/vogar/commands/Command.java
deleted file mode 100644
index b861503b2c..0000000000
--- a/tools/runner/java/vogar/commands/Command.java
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package vogar.commands;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.PrintStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-import java.util.logging.Logger;
-import vogar.Strings;
-import vogar.Threads;
-
-/**
- * An out of process executable.
- */
-public final class Command {
-
- private final Logger logger = Logger.getLogger(Command.class.getName());
-
- private final List<String> args;
- private final File workingDirectory;
- private final boolean permitNonZeroExitStatus;
- private final PrintStream tee;
- private volatile Process process;
-
- public Command(String... args) {
- this(Arrays.asList(args));
- }
-
- public Command(List<String> args) {
- this.args = new ArrayList<String>(args);
- this.workingDirectory = null;
- this.permitNonZeroExitStatus = false;
- this.tee = null;
- }
-
- private Command(Builder builder) {
- this.args = new ArrayList<String>(builder.args);
- this.workingDirectory = builder.workingDirectory;
- this.permitNonZeroExitStatus = builder.permitNonZeroExitStatus;
- this.tee = builder.tee;
- }
-
- public List<String> getArgs() {
- return Collections.unmodifiableList(args);
- }
-
- public void start() throws IOException {
- if (isStarted()) {
- throw new IllegalStateException("Already started!");
- }
-
- logger.fine("executing " + Strings.join(args, " "));
-
- ProcessBuilder processBuilder = new ProcessBuilder()
- .command(args)
- .redirectErrorStream(true);
- if (workingDirectory != null) {
- processBuilder.directory(workingDirectory);
- }
-
- process = processBuilder.start();
- }
-
- public boolean isStarted() {
- return process != null;
- }
-
- public List<String> gatherOutput()
- throws IOException, InterruptedException {
- if (!isStarted()) {
- throw new IllegalStateException("Not started!");
- }
-
- BufferedReader in = new BufferedReader(
- new InputStreamReader(process.getInputStream()));
- List<String> outputLines = new ArrayList<String>();
- String outputLine;
- while ((outputLine = in.readLine()) != null) {
- if (tee != null) {
- tee.println(outputLine);
- }
- outputLines.add(outputLine);
- }
-
- if (process.waitFor() != 0 && !permitNonZeroExitStatus) {
- StringBuilder message = new StringBuilder();
- for (String line : outputLines) {
- message.append("\n").append(line);
- }
- throw new CommandFailedException(args, outputLines);
- }
-
- return outputLines;
- }
-
- public List<String> execute() {
- try {
- start();
- return gatherOutput();
- } catch (IOException e) {
- throw new RuntimeException("Failed to execute process: " + args, e);
- } catch (InterruptedException e) {
- throw new RuntimeException("Interrupted while executing process: " + args, e);
- }
- }
-
- /**
- * Executes a command with a specified timeout. If the process does not
- * complete normally before the timeout has elapsed, it will be destroyed.
- *
- * @param timeoutSeconds how long to wait, or 0 to wait indefinitely
- * @return the command's output, or null if the command timed out
- */
- public List<String> executeWithTimeout(long timeoutSeconds)
- throws TimeoutException {
- if (timeoutSeconds == 0) {
- return execute();
- }
-
- try {
- return executeLater().get(timeoutSeconds, TimeUnit.SECONDS);
- } catch (InterruptedException e) {
- throw new RuntimeException("Interrupted while executing process: " + args, e);
- } catch (ExecutionException e) {
- throw new RuntimeException(e);
- } finally {
- destroy();
- }
- }
-
- /**
- * Executes the command on a new background thread. This method returns
- * immediately.
- *
- * @return a future to retrieve the command's output.
- */
- public Future<List<String>> executeLater() {
- ExecutorService executor = Executors.newFixedThreadPool(
- 1, Threads.daemonThreadFactory());
- Future<List<String>> result = executor.submit(new Callable<List<String>>() {
- public List<String> call() throws Exception {
- start();
- return gatherOutput();
- }
- });
- executor.shutdown();
- return result;
- }
-
- /**
- * Destroys the underlying process and closes its associated streams.
- */
- public void destroy() {
- if (process != null) {
- process.destroy();
- }
- }
-
- public static class Builder {
- private final List<String> args = new ArrayList<String>();
- private File workingDirectory;
- private boolean permitNonZeroExitStatus = false;
- private PrintStream tee = null;
-
- public Builder args(Object... objects) {
- for (Object object : objects) {
- args(object.toString());
- }
- return this;
- }
-
- public Builder args(String... args) {
- return args(Arrays.asList(args));
- }
-
- public Builder args(Collection<String> args) {
- this.args.addAll(args);
- return this;
- }
-
- /**
- * Sets the working directory from which the command will be executed.
- * This must be a <strong>local</strong> directory; Commands run on
- * remote devices (ie. via {@code adb shell}) require a local working
- * directory.
- */
- public Builder workingDirectory(File workingDirectory) {
- this.workingDirectory = workingDirectory;
- return this;
- }
-
- public Builder permitNonZeroExitStatus() {
- permitNonZeroExitStatus = true;
- return this;
- }
-
- public Builder tee(PrintStream printStream) {
- tee = printStream;
- return this;
- }
-
- public Command build() {
- return new Command(this);
- }
-
- public List<String> execute() {
- return build().execute();
- }
- }
-}