Example usage for java.lang String trim

Introduction

In this page you can find the example usage for java.lang String trim.

Prototype

public String trim()

Source Link

Document

Returns a string whose value is this string, with all leading and trailing space removed, where space is defined as any character whose codepoint is less than or equal to 'U+0020' (the space character).

Usage

From source file:Main.java

/**
 * Checks if is blank.//from w w  w.  j  a va 2s  .  c om
 * 
 * @param value
 *            the value
 * 
 * @return true, if is blank
 */
public static boolean isBlank(String value) {
    return ((value == null) || (value.trim().length() == 0));
}

From source file:Main.java

/**
 * <p>/*from  w  w w  .  j  a  v  a  2  s .  com*/
 * Removes control characters, including whitespace, from both ends of this String, handling <code>null</code> by
 * returning <code>null</code>.
 * </p>
 *
 * @param str the String to check
 * @return the trimmed text (or <code>null</code>)
 * @see java.lang.String#trim()
 */
public static String trim(String str) {
    return (str == null ? null : str.trim());
}

From source file:Main.java

private static List<String> parseParticipants(String s) {
    if (s == null || s.length() == 0) {
        return Collections.emptyList();
    }//from  w w w  .ja  v  a 2 s. c o  m
    String[] parts = s.split(",");
    List<String> ret = new ArrayList<String>();
    for (String part : parts) {
        ret.add(part.trim());
    }
    return ret;
}

From source file:Main.java

public static boolean heightCheck(String heightStr) {
    if (heightStr == null || (heightStr.trim().equals(""))) {
        return false;
    }//from  w  w  w . j  av  a  2 s.c  om
    Pattern pattern = Pattern.compile("^[0-9]*$");
    if (pattern.matcher(heightStr).matches()) {
        int hei = Integer.valueOf(heightStr);
        if ((hei > 140) && (hei < 200)) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }
}

From source file:Main.java

/**
 * <p>//  w  w  w  .j  ava 2  s .  com
 * Removes control characters, including whitespace, from both ends of this String, handling <code>null</code> by
 * returning an empty String.
 * </p>
 *
 * @param str the String to check
 * @return the trimmed text (never <code>null</code>)
 * @see java.lang.String#trim()
 */
public static String clean(String str) {
    return (str == null ? "" : str.trim());
}

From source file:Main.java

public static Date parseDate(String dateString) {
    Matcher m = DATE_PATTERN.matcher(dateString.trim());
    if (!m.matches()) {
        throw new IllegalArgumentException("\"" + dateString + "\" must be in YYYY-MM-DD format.");
    }//from   w w  w .ja  v  a2s.c o  m
    Calendar c = Calendar.getInstance();
    c.set(Integer.parseInt(m.group(1)), Integer.parseInt(m.group(2)) - 1, Integer.parseInt(m.group(3)));
    return c.getTime();
}

From source file:Main.java

public static String generateCacheUID(String model, String query, String[] params) {
    String uid = model;/*from  ww w  .j  a v  a2  s  . c  om*/
    uid += query.trim();
    for (String param : params)
        uid += param.trim();
    return uid;
}

From source file:Main.java

/**
 * Convert float value wraped in string to float safely.
 *//* ww  w  .j  a v  a2  s .co  m*/
public static float toFloatSafely(String text) {
    float result = -1.0f;

    text = text.trim();
    try {
        result = Float.parseFloat(text);
    } catch (NumberFormatException e) {
        e.printStackTrace();
    }

    return result;
}

From source file:Main.java

public static String filePathReplaceAll(String value) {
    String returnValue = value;
    if (returnValue == null || returnValue.trim().equals("")) {
        return "";
    }/* w w w  . ja v a2  s  .c o m*/

    returnValue = returnValue.replaceAll("/", "");
    returnValue = returnValue.replaceAll("\\", "");
    returnValue = returnValue.replaceAll("\\.\\.", ""); // ..
    returnValue = returnValue.replaceAll("&", "");

    return returnValue;
}

From source file:Main.java

public static boolean isNotBlank(String val) {
    if (val == null)
        return false;
    if (val.trim().length() == 0)
        return false;
    return true;// w  ww. ja  v  a2 s  .  c  o m
}