Example usage for java.lang StringBuffer StringBuffer

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public StringBuffer()

Source Link

Document

Constructs a string buffer with no characters in it and an initial capacity of 16 characters.

Usage

From source file:Main.java

public static String wrapStringByXmlType(String str) {
    StringBuffer sb = new StringBuffer();
    sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
    sb.append(str);//from   w w w .  j  av  a 2 s  .c o  m
    return sb.toString();
}

From source file:Main.java

public static String encodeHtml(String s) {
    StringBuffer out = new StringBuffer();
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (c > 127 || c == '"' || c == '<' || c == '>') {
            out.append("&#" + (int) c + ";");
        } else {//from   ww w  . ja  v  a2  s.c o  m
            out.append(c);
        }
    }
    return out.toString();
}

From source file:Main.java

public static String ByteArrayToString(byte[] arr) {
    StringBuffer sb = new StringBuffer();
    for (byte item : arr) {
        sb.append(String.format("%02X ", item & 0xFF));
    }//from  www. j  a  va2 s  .  c  om

    return "{ " + sb.toString() + "}";
}

From source file:Main.java

public static String getASCII(String value) {
    StringBuffer sbu = new StringBuffer();
    char[] chars = value.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (i != chars.length - 1) {
            sbu.append((int) chars[i]);
        }/*from   w w  w  . ja  va 2 s  . c om*/
    }
    return sbu.toString();
}

From source file:Main.java

public static String byte2hex(byte[] b) {
    StringBuffer sb = new StringBuffer();
    String stmp = "";
    for (int n = 0; n < b.length; n++) {
        stmp = Integer.toHexString(b[n] & 0XFF);
        if (stmp.length() == 1) {
            sb.append("0" + stmp);
        } else {/*w  w w .  j a  v a  2  s.c om*/
            sb.append(stmp);
        }
    }
    return sb.toString();
}

From source file:Main.java

public static String formatPhone(String number) {
    StringBuffer sb = new StringBuffer();
    char c;/* w  w w . j  a  v  a2s . co m*/
    for (int i = 0; i < number.length(); i++) {
        c = number.charAt(i);
        if (48 <= c && c <= 57)
            sb.append(c);
    }
    return sb.toString();
}

From source file:Main.java

public static String getCnASCII(String cnStr) {
    StringBuffer strBuf = new StringBuffer();
    byte[] bGBK = cnStr.getBytes();
    for (int i = 0; i < bGBK.length; i++) {
        strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
    }//from  w w w .  j  a va2 s .  c  o  m
    return strBuf.toString();
}

From source file:Main.java

static String makeXMLCloseElement(String elementName) {
    StringBuffer sb = new StringBuffer();
    sb.append("</");
    sb.append(elementName);/*from   w w  w .  j ava2s.  c  o  m*/
    sb.append(">");
    return sb.toString();
}

From source file:Main.java

public static String repeat(String str, int times) {
    StringBuffer sbf = new StringBuffer();
    for (int i = 0; i < times; i++) {
        sbf.append(str);/*from  w  w  w . j a v  a 2 s.  com*/
    }
    return sbf.toString();
}

From source file:Main.java

private static String encodeHTML(String s) {
    StringBuffer out = new StringBuffer();
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (c > 127 || c == '"' || c == '<' || c == '>') {
            out.append("&#" + (int) c + ";");
        } else {/* w w w .  ja  v  a  2 s.c  o m*/
            out.append(c);
        }
    }
    return out.toString();
}