Example usage for java.lang StringBuilder StringBuilder

Introduction

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

Prototype

public StringBuilder(CharSequence seq)

Source Link

Document

Constructs a string builder that contains the same characters as the specified CharSequence .

Usage

From source file:Main.java

public static String formatPhoneNumber(String mobile) {
    StringBuilder maskNumber = new StringBuilder(11);
    maskNumber.append(mobile.substring(0, 3));
    maskNumber.append("****");
    maskNumber.append(mobile.substring(7, mobile.length()));
    return maskNumber.toString();
}

From source file:Main.java

public static String maskString(String paramString) {
    StringBuilder localStringBuilder = new StringBuilder(paramString.length());
    for (int i = 0; i < paramString.length(); i++)
        localStringBuilder.append("*");
    return localStringBuilder.toString();
}

From source file:Main.java

public static String prettifyFingerprint(String fingerprint) {
    StringBuilder builder = new StringBuilder(fingerprint);
    builder.insert(8, " ");
    builder.insert(17, " ");
    builder.insert(26, " ");
    builder.insert(35, " ");
    return builder.toString();
}

From source file:Main.java

public static String intToHexString_4(int a) {
    StringBuilder stringBuilder = new StringBuilder("");
    int v = a & 0xFFFF;
    String hv = Integer.toHexString(v);
    if (hv.length() == 1) {
        stringBuilder.append("000");
    } else if (hv.length() == 2) {
        stringBuilder.append("00");
    } else {//from   ww  w  .  j a  va2 s . c  o m
        stringBuilder.append("0");
    }
    stringBuilder.append(hv);
    return stringBuilder.toString();
}

From source file:Main.java

public static String splStrToWebUrl(String... strings) {
    StringBuilder sBuilder = new StringBuilder("http://");
    int i = 0;/*from   w  w  w. j  a  v a2 s  .c om*/
    for (String string : strings) {
        sBuilder.append(string);
        if (i < strings.length - 1)
            sBuilder.append("/");
        i++;
    }
    return sBuilder.toString();
}

From source file:Main.java

public static String dumpBytesAsString(byte[] data) {
    final StringBuilder stringBuilder = new StringBuilder(data.length);
    for (byte byteChar : data) {
        stringBuilder.append(String.format("%02X ", byteChar));
    }/*from  ww w.  jav  a2  s  . c o  m*/
    return stringBuilder.toString();
}

From source file:Main.java

public static String printStackTrace(StackTraceElement[] stack) {
    StringBuilder output = new StringBuilder(1000);
    appendThreadStackTrace(output, stack);
    return output.toString();
}

From source file:Main.java

public static String encodeHexString(byte abyte0[]) {
    StringBuilder stringbuilder = new StringBuilder("");
    if (abyte0 != null) {
        for (int i = 0; i < abyte0.length; i++) {
            Object aobj[] = new Object[1];
            aobj[0] = Integer.valueOf(0xff & abyte0[i]);
            stringbuilder.append(String.format("%02x", aobj));
        }// w ww.ja v  a2s.  com

    }
    return stringbuilder.toString();
}

From source file:Main.java

public static String bold(String msg) {
    StringBuilder sb = new StringBuilder("\033[1m");
    sb.append(msg).append("\033[0m");
    return sb.toString();
}

From source file:Main.java

public static String byte2HexStr(byte[] b) {
    String stmp = "";
    StringBuilder sb = new StringBuilder("");
    for (int n = 0; n < b.length; n++) {
        stmp = Integer.toHexString(b[n] & 0xFF);
        sb.append((stmp.length() == 1) ? "0" + stmp : stmp);
        sb.append("");
    }/*ww  w  .j a v a 2s.  co  m*/
    return sb.toString().toUpperCase().trim();
}