Example usage for java.lang Process getErrorStream

Introduction

In this page you can find the example usage for java.lang Process getErrorStream.

Prototype

public abstract InputStream getErrorStream();

Source Link

Document

Returns the input stream connected to the error output of the process.

Usage

From source file:net.dv8tion.jda.player.source.RemoteSource.java

@Override
public synchronized AudioInfo getInfo() {
    if (audioInfo != null)
        return audioInfo;

    List<String> infoArgs = new LinkedList<>();
    if (ytdlLaunchArgsF != null) {
        infoArgs.addAll(ytdlLaunchArgsF);
        if (!infoArgs.contains("-q"))
            infoArgs.add("-q");
    } else// w  ww .j a  v a2  s  . co m
        infoArgs.addAll(YOUTUBE_DL_LAUNCH_ARGS);

    infoArgs.add("--ignore-errors"); //Ignore errors, obviously
    infoArgs.add("-j"); //Dumps the json about the file into STDout
    infoArgs.add("--skip-download"); //Doesn't actually download the file.
    infoArgs.add("--"); //Url separator. Deals with YT ids that start with --
    infoArgs.add(url); //specifies the URL to download.

    audioInfo = new AudioInfo();
    try {
        Process infoProcess = new ProcessBuilder().command(infoArgs).start();
        byte[] infoData = IOUtils.readFully(infoProcess.getErrorStream(), -1, false); //YT-DL outputs to STDerr
        if (infoData == null || infoData.length == 0)
            throw new NullPointerException("The Youtube-DL process resulted in a null or zero-length INFO!");

        String infoString = new String(infoData);
        if (infoString.startsWith("ERROR")) {
            audioInfo.error = infoString;
        } else {
            JSONObject info = new JSONObject(infoString);

            audioInfo.jsonInfo = info;
            audioInfo.title = !info.optString("title", "").isEmpty() ? info.getString("title")
                    : !info.optString("fulltitle", "").isEmpty() ? info.getString("fulltitle") : null;
            audioInfo.origin = !info.optString("webpage_url", "").isEmpty() ? info.getString("webpage_url")
                    : url;
            audioInfo.id = !info.optString("id", "").isEmpty() ? info.getString("id") : null;
            audioInfo.encoding = !info.optString("acodec", "").isEmpty() ? info.getString("acodec")
                    : !info.optString("ext", "").isEmpty() ? info.getString("ext") : null;
            audioInfo.description = !info.optString("description", "").isEmpty() ? info.getString("description")
                    : null;
            audioInfo.extractor = !info.optString("extractor", "").isEmpty() ? info.getString("extractor")
                    : !info.optString("extractor_key").isEmpty() ? info.getString("extractor_key") : null;
            audioInfo.thumbnail = !info.optString("thumbnail", "").isEmpty() ? info.getString("thumbnail")
                    : null;
            audioInfo.isLive = info.has("is_live") && !info.isNull("is_live") && info.getBoolean("is_live");
            audioInfo.duration = info.optInt("duration", -1) != -1
                    ? AudioTimestamp.fromSeconds(info.getInt("duration"))
                    : null;

            //Use FFprobe to find the duration because YT-DL didn't give it to us.
            if (audioInfo.duration == null) {
                List<String> ffprobeInfoArgs = new LinkedList<>();
                ffprobeInfoArgs.addAll(LocalSource.FFPROBE_INFO_ARGS);
                ffprobeInfoArgs.add("-i");
                ffprobeInfoArgs.add(info.optString("url", url));

                infoProcess = new ProcessBuilder().command(ffprobeInfoArgs).start();
                infoData = IOUtils.readFully(infoProcess.getInputStream(), -1, false);
                if (infoData != null && infoData.length > 0) {
                    info = new JSONObject(new String(infoData)).getJSONObject("format");

                    if (info.optDouble("duration", -1.0) != -1.0) {
                        int duration = Math.round((float) info.getDouble("duration"));
                        audioInfo.duration = AudioTimestamp.fromSeconds(duration);
                    }
                }
            }
        }
    } catch (IOException e) {
        audioInfo.error = e.getMessage();
        e.printStackTrace();
    } catch (JSONException e) {
        audioInfo.error = e.getMessage();
        e.printStackTrace();
    }
    return audioInfo;
}

---

From source file:net.sf.jabref.external.push.PushToEmacs.java

@Override
public void pushEntries(BibDatabase database, List<BibEntry> entries, String keys, MetaData metaData) {

    couldNotConnect = false;/*from w  ww  .  j a v  a2  s . co  m*/
    couldNotCall = false;
    notDefined = false;

    initParameters();
    commandPath = Globals.prefs.get(commandPathPreferenceKey);

    if ((commandPath == null) || commandPath.trim().isEmpty()) {
        notDefined = true;
        return;
    }

    commandPath = Globals.prefs.get(commandPathPreferenceKey);
    String[] addParams = Globals.prefs.get(JabRefPreferences.EMACS_ADDITIONAL_PARAMETERS).split(" ");
    try {
        String[] com = new String[addParams.length + 2];
        com[0] = commandPath;
        System.arraycopy(addParams, 0, com, 1, addParams.length);
        String prefix;
        String suffix;
        if (Globals.prefs.getBoolean(JabRefPreferences.EMACS_23)) {
            prefix = "(with-current-buffer (window-buffer) (insert ";
            suffix = "))";
        } else {
            prefix = "(insert ";
            suffix = ")";
        }

        com[com.length - 1] = OS.WINDOWS ?
        // Windows gnuclient escaping:
        // java string: "(insert \\\"\\\\cite{Blah2001}\\\")";
        // so cmd receives: (insert \"\\cite{Blah2001}\")
        // so emacs receives: (insert "\cite{Blah2001}")
                prefix.concat("\\\"\\" + getCiteCommand().replaceAll("\\\\", "\\\\\\\\") + "{" + keys + "}\\\"")
                        .concat(suffix)
                :
                // Linux gnuclient escaping:
                // java string: "(insert \"\\\\cite{Blah2001}\")"
                // so sh receives: (insert "\\cite{Blah2001}")
                // so emacs receives: (insert "\cite{Blah2001}")
                prefix.concat("\"" + getCiteCommand().replaceAll("\\\\", "\\\\\\\\") + "{" + keys + "}\"")
                        .concat(suffix);

        final Process p = Runtime.getRuntime().exec(com);

        JabRefExecutorService.INSTANCE.executeAndWait(() -> {
            try (InputStream out = p.getErrorStream()) {
                int c;
                StringBuilder sb = new StringBuilder();
                try {
                    while ((c = out.read()) != -1) {
                        sb.append((char) c);
                    }
                } catch (IOException e) {
                    LOGGER.warn("Could not read from stderr.", e);
                }
                // Error stream has been closed. See if there were any errors:
                if (!sb.toString().trim().isEmpty()) {
                    LOGGER.warn("Push to Emacs error: " + sb);
                    couldNotConnect = true;
                }
            } catch (IOException e) {
                LOGGER.warn("File problem.", e);
            }
        });
    } catch (IOException excep) {
        couldNotCall = true;
        LOGGER.warn("Problem pushing to Emacs.", excep);
    }
}

---

From source file:Main.java

public static String runScript(String script) {
    String sRet;/*from w ww.  jav a  2s .  c  o  m*/
    try {
        final Process m_process = Runtime.getRuntime().exec(script);
        final StringBuilder sbread = new StringBuilder();
        Thread tout = new Thread(new Runnable() {
            public void run() {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(m_process.getInputStream()), 8192);
                String ls_1;
                try {
                    while ((ls_1 = bufferedReader.readLine()) != null) {
                        sbread.append(ls_1).append("\n");
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        bufferedReader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        tout.start();

        final StringBuilder sberr = new StringBuilder();
        Thread terr = new Thread(new Runnable() {
            public void run() {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(m_process.getErrorStream()), 8192);
                String ls_1;
                try {
                    while ((ls_1 = bufferedReader.readLine()) != null) {
                        sberr.append(ls_1).append("\n");
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        bufferedReader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        terr.start();

        m_process.waitFor();
        while (tout.isAlive()) {
            Thread.sleep(50);
        }
        if (terr.isAlive())
            terr.interrupt();
        String stdout = sbread.toString();
        String stderr = sberr.toString();
        sRet = stdout + stderr;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    return sRet;
}

---

From source file:com.music.scheduled.BackupJob.java

private void createBackup(String host, String port, String user, String password, String db) throws Exception {

    String fileName = "backup-" + DATE_TIME_FORMAT.print(new DateTime());
    String baseFilePath = new File(baseDir + fileName).getAbsolutePath();
    String sqlFilePath = baseFilePath + ".sql";

    String execString = "mysqldump --host=" + host + " --port=" + port + " --user=" + user
            + (StringUtils.isNotBlank(password) ? " --password=" + password : "")
            + " --compact --complete-insert --extended-insert --single-transaction "
            + "--skip-comments --skip-triggers --default-character-set=utf8 " + db + " --result-file="
            + sqlFilePath;//from w w w.  j  a  v a  2 s . c o  m

    Process process = Runtime.getRuntime().exec(execString);
    if (log.isDebugEnabled()) {
        log.debug("Output: " + IOUtils.toString(process.getInputStream()));
        log.debug("Error: " + IOUtils.toString(process.getErrorStream()));
    }
    if (process.waitFor() == 0) {

        zipBackup(baseFilePath);
    }

    File zipFile = new File(baseFilePath + ".zip");
    InputStream is = new BufferedInputStream(new FileInputStream(zipFile));
    fileStorageService.storeFile(finalBackupDir + fileName + ".zip", is, zipFile.length());

    // result = "SET FOREIGN_KEY_CHECKS = 0;\\n" + result
    // + "\\nSET FOREIGN_KEY_CHECKS = 1;";
}

---

From source file:com.tw.go.plugin.task.GoPluginImpl.java

private int executeCommand(String workingDirectory, Map<String, String> environmentVariables, String... command)
        throws IOException, InterruptedException {
    ProcessBuilder processBuilder = new ProcessBuilder(command);
    processBuilder.directory(new File(workingDirectory));
    if (environmentVariables != null && !environmentVariables.isEmpty()) {
        processBuilder.environment().putAll(environmentVariables);
    }/*from w  w  w .j a  v  a  2 s  . c o  m*/
    Process process = processBuilder.start();

    JobConsoleLogger.getConsoleLogger().readOutputOf(process.getInputStream());
    JobConsoleLogger.getConsoleLogger().readErrorOf(process.getErrorStream());

    return process.waitFor();
}

---

From source file:edu.wisc.doit.tcrypt.TokenEncryptDecryptIT.java

@Test
public void testOpenSSLEncJavaDec() throws Exception {
    //Encrypt with openssl
    final File encryptFileScript = setupTempFile("encryptToken.sh");
    encryptFileScript.setExecutable(true);

    final File publicKey = setupTempFile("my.wisc.edu-public.pem");

    final String expected = "foobar";
    final ProcessBuilder pb = new ProcessBuilder(encryptFileScript.getAbsolutePath(),
            publicKey.getAbsolutePath(), expected);

    final Process p = pb.start();
    final int ret = p.waitFor();
    if (ret != 0) {
        final String pOut = IOUtils.toString(p.getInputStream(), TokenEncrypter.CHARSET).trim();
        System.out.println(pOut);
        final String pErr = IOUtils.toString(p.getErrorStream(), TokenEncrypter.CHARSET).trim();
        System.out.println(pErr);
    }//from ww w. ja v  a 2 s  . c  o  m
    assertEquals(0, ret);

    final String encrypted = IOUtils.toString(p.getInputStream(), TokenEncrypter.CHARSET).trim();

    //Decrypt with java
    final String actual = this.tokenDecrypter.decrypt(encrypted);

    //Verify
    assertEquals(expected, actual);
}

---

From source file:edu.wisc.doit.tcrypt.TokenEncryptDecryptIT.java

@Test
public void testJavaEncOpenSSLDec() throws Exception {
    //Encrypt with Java
    final String expected = "foobar";
    final String encrypted = this.tokenEncrypter.encrypt(expected);

    //Decrypt with OpenSSL
    final File decryptFileScript = setupTempFile("decryptToken.sh");
    decryptFileScript.setExecutable(true);

    final File privateKey = setupTempFile("my.wisc.edu-private.pem");

    final ProcessBuilder pb = new ProcessBuilder(decryptFileScript.getAbsolutePath(),
            privateKey.getAbsolutePath(), encrypted);

    final Process p = pb.start();
    final int ret = p.waitFor();
    if (ret != 0) {
        final String pOut = IOUtils.toString(p.getInputStream(), TokenEncrypter.CHARSET).trim();
        System.out.println(pOut);
        final String pErr = IOUtils.toString(p.getErrorStream(), TokenEncrypter.CHARSET).trim();
        System.out.println(pErr);
    }//from   ww  w . j a va  2s. c  om
    assertEquals(0, ret);

    final String actual = IOUtils.toString(p.getInputStream(), TokenEncrypter.CHARSET).trim();

    //Verify
    assertEquals(expected, actual);
}

---

From source file:nju.edu.cn.LicenseRecognitionResource.java

private String executeCommand(String command) {
    StringBuffer output = new StringBuffer();

    Process p;
    try {/*  w w  w .j  a v  a 2  s  .c  o  m*/
        p = Runtime.getRuntime().exec(command);
        p.waitFor();

        BufferedReader inputReader = new BufferedReader(new InputStreamReader(p.getInputStream()));
        BufferedReader errorReader = new BufferedReader(new InputStreamReader(p.getErrorStream()));
        String line = "";

        String newLineSeparator = System.getProperty("line.separator");
        while ((line = inputReader.readLine()) != null) {
            output.append(line + newLineSeparator);
        }

        line = "";
        while ((line = errorReader.readLine()) != null) {
            System.out.println(line);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return output.toString();
}

---

From source file:com.tw.go.plugin.material.artifactrepository.yum.exec.command.ProcessRunner.java

public ProcessOutput execute(String[] command, Map<String, String> envMap) {
    ProcessBuilder processBuilder = new ProcessBuilder(command);
    Process process = null;
    ProcessOutput processOutput = null;//from w  ww  . j  a  v  a2  s .c  o m
    try {
        processBuilder.environment().putAll(envMap);
        process = processBuilder.start();
        int returnCode = process.waitFor();
        List outputStream = IOUtils.readLines(process.getInputStream());
        List errorStream = IOUtils.readLines(process.getErrorStream());
        processOutput = new ProcessOutput(returnCode, outputStream, errorStream);
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage());
    } finally {
        if (process != null) {
            closeQuietly(process.getInputStream());
            closeQuietly(process.getErrorStream());
            closeQuietly(process.getOutputStream());
            process.destroy();
        }
    }
    return processOutput;
}

---

From source file:android.databinding.compilationTest.BaseCompilationTest.java

protected CompilationResult runGradle(String... params) throws IOException, InterruptedException {
    setExecutable();/* w ww.j  a  v a2s.  c  o m*/
    File pathToExecutable = new File(testFolder, "gradlew");
    List<String> args = new ArrayList<>();
    args.add(pathToExecutable.getAbsolutePath());
    args.add("-P" + PRINT_ENCODED_ERRORS_PROPERTY + "=true");
    args.add("--project-cache-dir");
    args.add(new File("../.caches/", name.getMethodName()).getAbsolutePath());
    Collections.addAll(args, params);
    ProcessBuilder builder = new ProcessBuilder(args);
    builder.environment().putAll(System.getenv());
    String javaHome = System.getProperty("java.home");
    if (StringUtils.isNotBlank(javaHome)) {
        builder.environment().put("JAVA_HOME", javaHome);
    }
    builder.directory(testFolder);
    Process process = builder.start();
    String output = IOUtils.toString(process.getInputStream());
    String error = IOUtils.toString(process.getErrorStream());
    int result = process.waitFor();
    return new CompilationResult(result, output, error);
}

---

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