Java Code Examples for org.apache.commons.lang3.StringUtils#left()

The following examples show how to use org.apache.commons.lang3.StringUtils#left() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: developerWorks   File: SqlGenerator.java    License: Apache License 2.0 6 votes vote down vote up
public static void main(String[] args) {
  // Read the specified file from arg[0]
  String filename = (args.length > 0) ? args[0] : StringUtils.EMPTY;

  if (StringUtils.isEmpty(filename)) {
    throw new IllegalArgumentException("Bad syntax. Usage:\n\t" + SqlGenerator.class.getSimpleName() + " filename");
  }

  File inputFile = new File(filename);
  try (CSVReader csvReader = new CSVReader(new BufferedReader(new FileReader(inputFile)))) {
    // Read the file and generate SQL from it
    String outputDirectory = StringUtils.left(inputFile.getPath(),
        StringUtils.lastIndexOf(inputFile.getPath(), File.separatorChar));
    SqlGenerator sqlGenerator = new SqlGenerator(outputDirectory);
    sqlGenerator.processFile(csvReader);
    csvReader.close();
    log.info("Done.");
  } catch (IOException e) {
    log.error("IOException occurred while reading the input file => " + inputFile, e);
  }
}
 
Example 2
public static void main(String[] args) {
  // Read the specified file from arg[0]
  String filename = (args.length > 0) ? args[0] : StringUtils.EMPTY;
  String year = (args.length > 1) ? args[1] : StringUtils.EMPTY;

  if (StringUtils.isEmpty(filename) || StringUtils.isEmpty(year)) {
    throw new IllegalArgumentException("Bad syntax. Usage:\n\t" + SqlGenerator.class.getSimpleName() + " filename");
  }

  File inputFile = new File(filename);
  try (CSVReader csvReader = new CSVReader(new BufferedReader(new FileReader(inputFile)))) {
    // Read the file and generate SQL from it
    String outputDirectory = StringUtils.left(inputFile.getPath(),
        StringUtils.lastIndexOf(inputFile.getPath(), File.separatorChar));
    TournamentParticipantSqlGenerator sqlGenerator = new TournamentParticipantSqlGenerator(outputDirectory, year);
    sqlGenerator.processFile(csvReader);
    csvReader.close();
    log.info("Done.");
  } catch (IOException e) {
    log.error("IOException occurred while reading the input file => " + inputFile, e);
  }
}
 
Example 3
Source Project: phoenix   File: RulesApplier.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 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}
 */
private DataValue getSequentialVarcharDataValue(Column column) {
    DataValue data = null;
    long inc = COUNTER.getAndIncrement();
    String strInc = String.valueOf(inc);
    int paddedLength = column.getLengthExcludingPrefix();
    String strInc1 = StringUtils.leftPad(strInc, paddedLength, "0");
    String strInc2 = StringUtils.right(strInc1, column.getLengthExcludingPrefix());
    String varchar = (column.getPrefix() != null) ? column.getPrefix() + strInc2:
            strInc2;

    // Truncate string back down if it exceeds length
    varchar = StringUtils.left(varchar,column.getLength());
    data = new DataValue(column.getType(), varchar);
    return data;
}
 
Example 4
/**
 * Generates a password based on a random UUID. Provider-specific limitations, which are needed
 * for proper admin / root password generation:
 *
 * <ul>
 * <li>AWS: password may be up to 30 characters</li>
 * <li>Azure: password must be 8 - 128 characters, with chars from three of:
 *     uppercase, lowercase, digits, and non-alphanumeric</li>
 * </ul>
 *
 * If no cloud platform is passed, then this method follows arbitrary rules to create a
 * password.
 *
 * @param cloudPlatform cloud provider whose rules must be followed, if known
 * @return random password
 */
public String generatePassword(Optional<CloudPlatform> cloudPlatform) {
    if (cloudPlatform.isPresent()) {
        switch (cloudPlatform.get()) {
            case AWS:
            case MOCK:
                return uuidGeneratorService.uuidVariableParts(AWS_MAX_LENGTH);
            case AZURE:
                String candidatePassword;
                do {
                    candidatePassword = StringUtils.left(uuidGeneratorService.randomUuid(), AZURE_MAX_LENGTH);
                } while (!passesAzureCharacterRules(candidatePassword));
                return candidatePassword;
            default:
                throw new UnsupportedOperationException("Password generation for " + cloudPlatform.get()
                    + " not yet implemented");
        }
    } else {
        return uuidGeneratorService.randomUuid();
    }
}
 
Example 5
/**
 * 【中文姓名】只显示第一个汉字,其他隐藏为2个星号
 * <p>
 * DesensitizedUtil.password("李六子"); = "李**"
 * </p>
 */
public static String chineseName(String fullName) {
	if (StringUtils.isBlank(fullName)) {
		return "";
	}
	String name = StringUtils.left(fullName, 1);
	return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
}
 
Example 6
/**
 * [中文姓名] 只显示第一个汉字,其他隐藏为2个星号<例子:李**>
 */
public static String chineseName(final String fullName) {
    if (StringUtils.isBlank(fullName)) {
        return "";
    }
    final String name = StringUtils.left(fullName, 1);
    return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
}
 
Example 7
/**
 * 【中文姓名】只显示第一个汉字,其他隐藏为2个星号
 * <p>
 * DesensitizedUtil.password("李六子"); = "李**"
 * </p>
 */
public static String chineseName(String fullName) {
	if (StringUtils.isBlank(fullName)) {
		return "";
	}
	String name = StringUtils.left(fullName, 1);
	return StringUtils.rightPad(name, StringUtils.length(fullName), "*");
}
 
Example 8
Source Project: halo   File: HaloUtils.java    License: GNU General Public License v3.0 5 votes vote down vote up
/**
 * Desensitizes the plain text.
 *
 * @param plainText plain text must not be null
 * @param leftSize  left size
 * @param rightSize right size
 * @return desensitization
 */
public static String desensitize(@NonNull String plainText, int leftSize, int rightSize) {
    Assert.hasText(plainText, "Plain text must not be blank");

    if (leftSize < 0) {
        leftSize = 0;
    }

    if (leftSize > plainText.length()) {
        leftSize = plainText.length();
    }

    if (rightSize < 0) {
        rightSize = 0;
    }

    if (rightSize > plainText.length()) {
        rightSize = plainText.length();
    }

    if (plainText.length() < leftSize + rightSize) {
        rightSize = plainText.length() - leftSize;
    }

    int remainSize = plainText.length() - rightSize - leftSize;

    String left = StringUtils.left(plainText, leftSize);
    String right = StringUtils.right(plainText, rightSize);
    return StringUtils.rightPad(left, remainSize + leftSize, '*') + right;
}
 
Example 9
Source Project: OpenEstate-IO   File: IdxFormat.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("Duplicates")
public static String printString(String value, int maxLength) {
    value = StringUtils.trimToNull(value);
    if (maxLength < 1)
        return value;
    else if (maxLength < 4)
        return StringUtils.left(value, maxLength);
    else
        return StringUtils.abbreviate(value, maxLength);
}
 
Example 10
Source Project: OpenEstate-IO   File: Is24CsvFormat.java    License: Apache License 2.0 5 votes vote down vote up
public static String printString(String value, int maxLength) {
    value = StringUtils.trimToNull(value);
    //noinspection Duplicates
    if (maxLength < 1)
        return value;
    else if (maxLength < 4)
        return StringUtils.left(value, maxLength);
    else
        return StringUtils.abbreviate(value, maxLength);
}
 
Example 11
Source Project: phoenix   File: RulesApplier.java    License: Apache License 2.0 5 votes vote down vote up
private DataValue getRandomDataValue(Column column) {
    String varchar = RandomStringUtils.randomAlphanumeric(column.getLength());
    varchar = (column.getPrefix() != null) ? column.getPrefix() + varchar : varchar;

    // Truncate string back down if it exceeds length
    varchar = StringUtils.left(varchar, column.getLength());
    return new DataValue(column.getType(), varchar);
}
 
Example 12
Source Project: aegisthus   File: SSTableColumnScanner.java    License: Apache License 2.0 5 votes vote down vote up
private String keyToString(byte[] rowKey) {
    if (rowKey == null) {
        return "null";
    }

    String str = BytesType.instance.getString(ByteBuffer.wrap(rowKey));
    return StringUtils.left(str, 32);
}
 
Example 13
private void readLog(long lastTimeFileSize, DataOutputStream dos) throws Exception{
	try {
		File logFile = new File(Config.base(), "logs/" + DateTools.format(new Date(), "yyyy_MM_dd") + ".out.log");
		if(logFile.exists()){
			List<Map<String, String>> list = new ArrayList<>();
			try(RandomAccessFile randomFile = new RandomAccessFile(logFile,"r")) {
				long curFileSize = randomFile.length();
				if (lastTimeFileSize <= 0 || lastTimeFileSize > curFileSize) {
					lastTimeFileSize = (curFileSize > LOG_MAX_READ_SIZE) ? (curFileSize - LOG_MAX_READ_SIZE) : 0;
				}
				randomFile.seek(lastTimeFileSize);
				int curReadSize = 0;
				String tmp = "";
				String curTime = "";
				while ((tmp = randomFile.readLine()) != null) {
					byte[] bytes = tmp.getBytes("ISO8859-1");
					curReadSize = curReadSize + bytes.length + 1;
					String lineStr = new String(bytes);
					String time = curTime;
					String logLevel = "";
					if (lineStr.length() > 23) {
						time = StringUtils.left(lineStr, 19);
						if (DateTools.isDateTime(time)) {
							time = StringUtils.left(lineStr, 23);
							curTime = time;
							if(lineStr.length() > 29){
								logLevel = StringUtils.right(StringUtils.left(lineStr, 29),5).trim();
							}
						} else {
							if (StringUtils.isEmpty(curTime)) {
								time = "2020-01-01 00:00:01.001";
							} else {
								time = curTime;
							}
						}
					} else {
						if (StringUtils.isEmpty(curTime)) {
							continue;
						} else {
							time = curTime;
						}
					}
					Map<String, String> map = new HashMap<>();
					map.put("logTime",time+"#"+Config.node());
					map.put("node", Config.node());
					map.put("logLevel", logLevel);
					map.put("lineLog", lineStr);
					list.add(map);
					if (curReadSize > LOG_MAX_READ_SIZE){
						break;
					}
				}
				if(curReadSize>0) {
					lastTimeFileSize = lastTimeFileSize + curReadSize - 1;
				}
			}
			dos.writeUTF(XGsonBuilder.toJson(list));
			dos.flush();

			dos.writeLong(lastTimeFileSize);
			dos.flush();

			return;
		}
	} catch (Exception e) {
		logger.print("readLog error:{}", e.getMessage());
	}
	dos.writeUTF("failure");
	dos.flush();
}
 
Example 14
public static void main(String[] args) throws  Exception{
	//File logFile = new File(Config.base(), "logs/" + DateTools.format(new Date(), "yyyy_MM_dd") + ".out.log");
	File logFile = new File("/Users/chengjian/Desktop/temp/temp/2020_03_12.out.log");
	RandomAccessFile randomFile = new RandomAccessFile(logFile,"r");
	long lastTimeFileSize = randomFile.length()-10*1024;
	long tempSize = lastTimeFileSize;
	randomFile.seek(lastTimeFileSize);
	String tmp = "";
	String curTime = "";
	while( (tmp = randomFile.readLine())!= null) {
		byte[] bytes = tmp.getBytes("ISO8859-1");
		String lineStr = new String(bytes);
		tempSize = tempSize + bytes.length+1;
		String time = curTime;
		if(lineStr.length()>23){
			time = StringUtils.left(lineStr, 19);
			if(DateTools.isDateTime(time)){
				time = StringUtils.left(lineStr, 23);
				curTime = time;
				//System.out.println(lineStr);
			}else{
				if(StringUtils.isEmpty(curTime)){
					continue;
				}else {
					time = curTime;
					//System.out.println(lineStr);
				}
			}
		}else{
			if(StringUtils.isEmpty(curTime)){
				continue;
			}else{
				time = curTime;
				//System.out.println(lineStr);
			}
		}
	}
	lastTimeFileSize = randomFile.length();
	tempSize = tempSize - 1;
	System.out.println(lastTimeFileSize);
	System.out.println(tempSize);
}
 
Example 15
Source Project: james-project   File: Preview.java    License: Apache License 2.0 4 votes vote down vote up
private static String truncateToMaxLength(String body) {
    return StringUtils.left(body, MAX_LENGTH);
}
 
Example 16
/**
 * 保留前面几位
 * <p>
 *  DesensitizedUtil.left("张虎子",1); = "张**"
 *  DesensitizedUtil.left("17667198751",3); = "176********"
 * </p>
 * @param str fullName
 * @param index index
 * @return String
 */
public static String left(String str,int index) {
	if (StringUtils.isBlank(str)) {
		return "";
	}
	String name = StringUtils.left(str, index);
	return StringUtils.rightPad(name, StringUtils.length(str), "*");
}
 
Example 17
/**
 * 保留前面几位
 * <p>
 *  DesensitizedUtil.left("张虎子",1); = "张**"
 *  DesensitizedUtil.left("17667198751",3); = "176********"
 * </p>
 * @param str fullName
 * @param index index
 * @return String
 */
public static String left(String str,int index) {
	if (StringUtils.isBlank(str)) {
		return "";
	}
	String name = StringUtils.left(str, index);
	return StringUtils.rightPad(name, StringUtils.length(str), "*");
}
 
Example 18
Source Project: herd   File: HerdStringUtils.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Truncates the description field to a configurable value thereby producing a 'short description'
 *
 * @param description the specified description
 * @param shortDescMaxLength the short description maximum length
 *
 * @return truncated (short) description
 */
public static String getShortDescription(String description, Integer shortDescMaxLength)
{
    // Parse out only html tags, truncate and return
    // Do a partial HTML parse just in case there are some elements that don't have ending tags or the like
    String toParse = description != null ? description : "";
    return StringUtils.left(stripHtml(toParse), shortDescMaxLength);
}