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

public static boolean isValidEmail(String target) {
    return android.util.Patterns.EMAIL_ADDRESS.matcher(target.trim()).matches();
}

From source file:Main.java

/**
 * Tell whether the string contains a number.
 *///from   w  w  w .j a va2  s. com
public static boolean isNumber(String string) {
    String s = string.trim();
    if (s.length() < 1)
        return false;
    double value = 0;
    try {
        value = Double.parseDouble(s);
    } catch (NumberFormatException e) {
        return false;
    }
    return true;
}

From source file:Main.java

public static boolean isNullOrBlank(String content) {
    if (content == null || TextUtils.isEmpty(content.trim())) {
        return true;
    }/*w ww .j  a v  a 2  s  .co  m*/
    return false;
}

From source file:Main.java

public final static boolean isEmptyStr(String aStr) {
    if (null == aStr || 0 == aStr.length() || 0 == aStr.trim().length()) {
        return true;
    }//from  www.j  a v a  2s .  c o m
    return false;
}

From source file:Main.java

static boolean isNullOrBlank(String source) {
    return (source == null) || "".equals(source.trim());
}

From source file:Main.java

public static String parseEmpty(String str) {
    if (str == null || "null".equals(str.trim())) {
        str = "";
    }//ww w  .jav a2  s.  c om
    return str.trim();
}

From source file:Main.java

public static boolean isContainChinese(String str) {
    if (str == null || str.trim().length() <= 0) {
        return false;
    }/*from   www  .  ja v  a2  s . co m*/

    int len = str.length();
    for (int i = 0; i < len; i++) {
        char word = str.charAt(i);
        if ((word >= 0x4e00) && (word <= 0x9fbb)) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static String MakeX10String(String nodeString) {
    String x10String = new String(nodeString);
    x10String.trim();
    System.err.println(x10String.startsWith("\'"));
    //nodeString.c
    String temp = "\'";
    if (x10String.startsWith("\'") && x10String.endsWith("\'")) {

        x10String = x10String.substring(1, x10String.length() - 1);

    }/* w  ww  .j  a  va  2s.c  om*/
    x10String = x10String.replace("\"", "\\\"");
    x10String = x10String.replace("\'\'", "\\\'");
    x10String = "\"" + x10String + "\"";
    return x10String;
}

From source file:Main.java

public static String md5(String string) {
    if (string == null || string.trim().length() < 1) {
        return null;
    }// w  ww.  j av a2 s.co  m
    try {
        return getMD5(string.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:Main.java

public static boolean validatePhone(String phone) {

    try {/*  w  w w.  j  a  v a  2s  . co  m*/
        if (phone.trim().length() == 0) {
            return false;
        }
        double n = Double.parseDouble(phone);
        if (!(phone.trim().toString().startsWith("7") || phone.trim().toString().startsWith("8")
                || phone.trim().toString().startsWith("9")))
            return false;
        if (phone.trim().length() == 10)
            return true;

    } catch (Exception e) {
        return false;
    }
    return false;
}