Example usage for org.apache.commons.lang RandomStringUtils randomAlphanumeric

Introduction

In this page you can find the example usage for org.apache.commons.lang RandomStringUtils randomAlphanumeric.

Prototype

public static String randomAlphanumeric(int count) 

Source Link

Document

Creates a random string whose length is the number of characters specified.

Characters will be chosen from the set of alpha-numeric characters.

Usage

From source file:org.apache.phoenix.pherf.rules.RulesApplier.java

/**
 * Get data value based on the supplied rule
 *
 * @param column {@link org.apache.phoenix.pherf.configuration.Column} Column rule to get data for
 * @return {@link org.apache.phoenix.pherf.rules.DataValue} Container Type --> Value mapping
 *///from  w  w w.  j av  a 2  s. co m
public DataValue getDataValue(Column column) throws Exception {
    DataValue data = null;
    int length = column.getLength();
    int nullChance = column.getNullChance();
    List<DataValue> dataValues = column.getDataValues();

    // Return an empty value if we we fall within the configured probability
    if ((nullChance != Integer.MIN_VALUE) && (isValueNull(nullChance))) {
        return new DataValue(column.getType(), "");
    }

    switch (column.getType()) {
    case VARCHAR:
        // Use the specified data values from configs if they exist
        if ((column.getDataValues() != null) && (column.getDataValues().size() > 0)) {
            data = generateDataValue(dataValues);
        } else {
            Preconditions.checkArgument(length > 0, "length needs to be > 0");
            if (column.getDataSequence() == DataSequence.SEQUENTIAL) {
                data = getSequentialDataValue(column);
            } else {
                String varchar = RandomStringUtils.randomAlphanumeric(length);
                data = new DataValue(column.getType(), varchar);
            }
        }
        break;
    case CHAR:
        if ((column.getDataValues() != null) && (column.getDataValues().size() > 0)) {
            data = generateDataValue(dataValues);
        } else {
            Preconditions.checkArgument(length > 0, "length needs to be > 0");
            if (column.getDataSequence() == DataSequence.SEQUENTIAL) {
                data = getSequentialDataValue(column);
            } else {
                String varchar = RandomStringUtils.randomAlphanumeric(length);
                data = new DataValue(column.getType(), varchar);
            }
        }
        break;
    case DECIMAL:
        if ((column.getDataValues() != null) && (column.getDataValues().size() > 0)) {
            data = generateDataValue(dataValues);
        } else {
            int precision = column.getPrecision();
            double minDbl = column.getMinValue();
            Preconditions.checkArgument((precision > 0) && (precision <= 18),
                    "Precision must be between 0 and 18");
            Preconditions.checkArgument(minDbl >= 0, "minvalue must be set in configuration");
            Preconditions.checkArgument(column.getMaxValue() > 0, "maxValue must be set in configuration");
            StringBuilder maxValueStr = new StringBuilder();

            for (int i = 0; i < precision; i++) {
                maxValueStr.append(9);
            }

            double maxDbl = Math.min(column.getMaxValue(), Double.parseDouble(maxValueStr.toString()));
            final double dbl = RandomUtils.nextDouble(minDbl, maxDbl);
            data = new DataValue(column.getType(), String.valueOf(dbl));
        }
        break;
    case INTEGER:
        if ((column.getDataValues() != null) && (column.getDataValues().size() > 0)) {
            data = generateDataValue(dataValues);
        } else {
            int minInt = column.getMinValue();
            int maxInt = column.getMaxValue();
            Preconditions.checkArgument((minInt > 0) && (maxInt > 0),
                    "min and max values need to be set in configuration");
            int intVal = RandomUtils.nextInt(minInt, maxInt);
            data = new DataValue(column.getType(), String.valueOf(intVal));
        }
        break;
    case DATE:
        if ((column.getDataValues() != null) && (column.getDataValues().size() > 0)) {
            data = generateDataValue(dataValues);
        } else {
            int minYear = column.getMinValue();
            int maxYear = column.getMaxValue();
            Preconditions.checkArgument((minYear > 0) && (maxYear > 0),
                    "min and max values need to be set in configuration");

            String dt = generateRandomDate(minYear, maxYear);
            data = new DataValue(column.getType(), dt);
        }
        break;
    default:
        break;
    }
    Preconditions.checkArgument(data != null,
            "Data value could not be generated for some reason. Please check configs");
    return data;
}

---

From source file:org.apache.phoenix.pherf.rules.RulesApplier.java

/**
 * Add a numerically increasing counter onto the and of a random string.
 * Incremented counter should be thread safe.
 *
 * @param column {@link org.apache.phoenix.pherf.configuration.Column}
 * @return {@link org.apache.phoenix.pherf.rules.DataValue}
 *//*  w  ww  .  j  a  va  2 s  .c om*/
private DataValue getSequentialDataValue(Column column) {
    DataValue data = null;
    long inc = COUNTER.getAndIncrement();
    String strInc = String.valueOf(inc);
    String varchar = RandomStringUtils.randomAlphanumeric(column.getLength() - strInc.length());
    data = new DataValue(column.getType(), strInc + varchar);
    return data;
}

---

From source file:org.apache.pig.impl.streaming.TestExecutableManager.java

@Test
public void testAddJobConfToEnv() {
    StringBuilder streamingEnv = null;
    Configuration conf = new Configuration();
    Map<String, String> all = Maps.newHashMap();
    for (int i = 0; i < 10000; i++) {
        String key = RandomStringUtils.randomAlphanumeric(10);
        String value = RandomStringUtils.randomAlphanumeric(10);
        all.put(key, value);/*from w  w w  . ja  va 2 s  .c  o m*/
    }
    Map<String, String> toInclude = Maps.newHashMap();
    for (Map.Entry<String, String> entry : all.entrySet()) {
        String key = entry.getKey();
        String value = entry.getValue();
        conf.set(key, value);
        if (r.nextDouble() < .5) {
            toInclude.put(key, value);
            if (streamingEnv == null) {
                streamingEnv = new StringBuilder();
            } else {
                streamingEnv.append(",");
            }
            streamingEnv.append(key);
        }
    }
    conf.set(PIG_STREAMING_ENVIRONMENT, streamingEnv.toString());
    Map<String, String> env = new HashMap<String, String>();
    ExecutableManager manager = new ExecutableManager();
    manager.addJobConfToEnvironment(conf, env);

    for (Map.Entry<String, String> entry : env.entrySet()) {
        String key = entry.getKey();
        String value = entry.getValue();
        String value2 = toInclude.remove(key);
        assertEquals("Key [" + key + "] should be set in environment", value, value2);
    }
    assertTrue("There should be no remaining pairs in the included map", toInclude.isEmpty());
}

---

From source file:org.apache.pig.impl.streaming.TestStreamingUtil.java

@Test
public void testAddJobConfToEnv() {
    StringBuilder streamingEnv = null;
    Configuration conf = new Configuration();
    Map<String, String> all = Maps.newHashMap();
    for (int i = 0; i < 10000; i++) {
        String key = RandomStringUtils.randomAlphanumeric(10);
        String value = RandomStringUtils.randomAlphanumeric(10);
        all.put(key, value);//from  ww w .  java2  s  . c  om
    }
    Map<String, String> toInclude = Maps.newHashMap();
    for (Map.Entry<String, String> entry : all.entrySet()) {
        String key = entry.getKey();
        String value = entry.getValue();
        conf.set(key, value);
        if (r.nextDouble() < .5) {
            toInclude.put(key, value);
            if (streamingEnv == null) {
                streamingEnv = new StringBuilder();
            } else {
                streamingEnv.append(",");
            }
            streamingEnv.append(key);
        }
    }
    conf.set(PIG_STREAMING_ENVIRONMENT, streamingEnv.toString());
    Map<String, String> env = new HashMap<String, String>();
    StreamingUtil.addJobConfToEnvironment(conf, env);

    for (Map.Entry<String, String> entry : env.entrySet()) {
        String key = entry.getKey();
        String value = entry.getValue();
        String value2 = toInclude.remove(key);
        assertEquals("Key [" + key + "] should be set in environment", value, value2);
    }
    assertTrue("There should be no remaining pairs in the included map", toInclude.isEmpty());
}

---

From source file:org.apache.ranger.authorization.sqoop.authorizer.RangerSqoopAuthorizerTest.java

/**
 * Help function: get random link name
 */
private String getRandomLinkName() {
    return RandomStringUtils.randomAlphanumeric(10) + "-link";
}

---

From source file:org.apache.ranger.authorization.sqoop.authorizer.RangerSqoopAuthorizerTest.java

/**
 * Help function: get random job name
 */
private String getRandomJobName() {
    return RandomStringUtils.randomAlphanumeric(10) + "-job";
}

---

From source file:org.apache.ratis.RaftTestUtil.java

public static File getTestDir(Class<?> caller) throws IOException {
    File dir = new File(System.getProperty("test.build.data", "target/test/data") + "/"
            + RandomStringUtils.randomAlphanumeric(10), caller.getSimpleName());
    if (dir.exists() && !dir.isDirectory()) {
        throw new IOException(dir + " already exists and is not a directory");
    } else if (!dir.exists() && !dir.mkdirs()) {
        throw new IOException("Cannot create directory " + dir);
    }/*from w  ww .  j a  v  a  2  s .c  o  m*/
    return dir;
}

---

From source file:org.apache.reef.io.checkpoint.RandomNameCNS.java

@Override
public String getNewName() {
    return this.prefix + RandomStringUtils.randomAlphanumeric(lengthOfRandomSuffix);
}

---

From source file:org.apache.roller.weblogger.ui.struts2.core.Register.java

public void myValidate() {

    // if usingSSO, we don't want to error on empty password/username from HTML form.
    setFromSso(false);/*  w  w  w  .j a  va 2 s . c o m*/
    boolean usingSSO = WebloggerConfig.getBooleanProperty("users.sso.enabled");
    if (usingSSO) {
        boolean storePassword = WebloggerConfig.getBooleanProperty("users.sso.passwords.saveInRollerDb");
        String password = WebloggerConfig.getProperty("users.sso.passwords.defaultValue", "<unknown>");

        // Preserve username and password, Acegi case             
        User fromSSO = CustomUserRegistry.getUserDetailsFromAuthentication(getServletRequest());
        if (fromSSO != null) {
            if (storePassword) {
                password = fromSSO.getPassword();
            }
            getBean().setPasswordText(password);
            getBean().setPasswordConfirm(password);
            getBean().setUserName(fromSSO.getUserName());
            setFromSso(true);
        }

        // Preserve username and password, CMA case             
        else if (getServletRequest().getUserPrincipal() != null) {
            getBean().setUserName(getServletRequest().getUserPrincipal().getName());
            getBean().setPasswordText(password);
            getBean().setPasswordConfirm(password);
            setFromSso(true);
        }
    }

    String allowed = WebloggerConfig.getProperty("username.allowedChars");
    if (allowed == null || allowed.trim().length() == 0) {
        allowed = DEFAULT_ALLOWED_CHARS;
    }

    // check that username only contains safe characters
    String safe = CharSetUtils.keep(getBean().getUserName(), allowed);
    if (!safe.equals(getBean().getUserName())) {
        addError("error.add.user.badUserName");
    }

    // check password, it is required if OpenID and SSO are disabled
    if (getOpenIdConfiguration().equals("disabled") && !getFromSso()) {
        if (StringUtils.isEmpty(getBean().getPasswordText())) {
            addError("error.add.user.passwordEmpty");
            return;
        }
    }

    // User.password does not allow null, so generate one
    if (getOpenIdConfiguration().equals("only")) {
        String randomString = RandomStringUtils.randomAlphanumeric(255);
        getBean().setPasswordText(randomString);
        getBean().setPasswordConfirm(randomString);
    }

    // check that passwords match 
    if (!getBean().getPasswordText().equals(getBean().getPasswordConfirm())) {
        addError("Register.error.passowordMismatch");
    }

    // check that username is not taken
    if (!StringUtils.isEmpty(getBean().getUserName()))
        try {
            UserManager mgr = WebloggerFactory.getWeblogger().getUserManager();
            if (mgr.getUserByUserName(getBean().getUserName(), null) != null) {
                addError("error.add.user.userNameInUse");
                // reset user name
                getBean().setUserName(null);
            }
        } catch (WebloggerException ex) {
            log.error("error checking for user", ex);
            // TODO: i18n
            addError("unexpected error");
        }
}

---

From source file:org.apache.slider.core.conf.AggregateConf.java

@JsonIgnore
public String getPassphrase() {
    if (passphrase == null) {
        passphrase = RandomStringUtils.randomAlphanumeric(Integer.valueOf(SliderKeys.PASS_LEN));
    }/* w w  w .  j a  va  2 s.  c o m*/

    return passphrase;
}

---

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