Cleanup: remove unused Command abstractions
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@@ -1,72 +0,0 @@
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// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package com.google.typography.font.compression;
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import com.google.common.io.ByteStreams;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* This is a simple wrapper to run a commandline as a pipe. It's not
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* particularly efficient, robust, or featureful.
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*/
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public class Command {
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private class StreamConsumer extends Thread {
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private final InputStream is;
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private byte[] result = null;
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public StreamConsumer(InputStream is) {
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this.is = is;
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}
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@Override
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public void run() {
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try {
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result = ByteStreams.toByteArray(is);
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} catch (IOException e) {
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// TODO: handle this well
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}
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}
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public byte[] getResult() {
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return result;
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}
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}
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private final ProcessBuilder processBuilder;
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public Command(String[] args) {
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processBuilder = new ProcessBuilder(args);
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}
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public CommandResult execute(byte[] input) throws CommandException {
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Process process;
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try {
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process = processBuilder.start();
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} catch (IOException e) {
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throw new CommandException("exec failed");
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}
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StreamConsumer sc = new StreamConsumer(process.getInputStream());
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sc.start();
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OutputStream stdin = process.getOutputStream();
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try {
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stdin.write(input);
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stdin.close();
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} catch (IOException e) {
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throw new CommandException("error writing input");
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}
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try {
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process.waitFor();
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sc.join();
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} catch (InterruptedException e) {
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throw new CommandException("interrupted");
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}
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return new CommandResult(sc.getResult());
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}
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}
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@@ -1,12 +0,0 @@
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// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package com.google.typography.font.compression;
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public class CommandException extends Exception {
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public CommandException(String message) {
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super(message);
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}
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}
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@@ -1,18 +0,0 @@
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// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package com.google.typography.font.compression;
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public final class CommandResult {
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private final byte[] stdout;
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public CommandResult(byte[] stdout) {
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this.stdout = stdout;
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}
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public byte[] getStdout() {
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return stdout;
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}
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}
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@@ -1,28 +0,0 @@
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// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package com.google.typography.font.compression;
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import java.io.IOException;
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/**
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* A simple test for the command mechanism. Quick and dirty run with:
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* java -cp 'build/classes:lib/guava-11.0.1.jar' com/google/typography/font/compression/TestCommand
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*/
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public class TestCommand {
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public static void main(String[] args) throws IOException {
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String[] commandArgs = {"/usr/bin/lzma"};
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byte[] input = new byte[16384];
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try {
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CommandResult result = new Command(commandArgs).execute(input);
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byte[] output = result.getStdout();
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for (int i = 0; i < output.length; i++) {
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System.out.printf("%02x\n", output[i] & 0xff);
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}
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} catch (CommandException e) {
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e.printStackTrace();
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};
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}
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}
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