Example usage for java.lang StringBuilder StringBuilder

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public StringBuilder()

Source Link

Document

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

Usage

From source file:Main.java

public static String xmlFilter(String input) {

    StringBuilder sb = new StringBuilder();

    for (int i = 0; i < input.length(); i++) {
        char c = input.charAt(i);
        if (c == '<') {
            sb.append("&lt;");
        } else if (c == '>') {
            sb.append("&gt;");
        } else if (c == '\'') {
            sb.append("&apos;");
        } else if (c == '"') {
            sb.append("&quot;");
        } else if (c == '&') {
            sb.append("&amp;");
        } else {//from  w ww  . j  a  v a2 s.  com
            sb.append(c);
        }
    }

    return sb.toString();
}

From source file:Main.java

public static String toStringWithLength(byte[] b, int pos, int length) {
    StringBuilder str = new StringBuilder();

    for (int i = 0; i < length; i++) {
        str.append((char) b[pos + i]);
    }/*from  ww  w  .ja v a  2s.  c  o  m*/

    String ret = str.toString();
    return ret;
}

From source file:Main.java

public static String scanByteToHexString(byte[] scanRecord) {
    StringBuilder stringBuilder = new StringBuilder();
    for (int i = 0; i < scanRecord.length; i++) {
        int v = scanRecord[i] & 0xFF;
        String hv = Integer.toHexString(v);
        if (hv.length() < 2) {
            stringBuilder.append(0);/*w w w  . ja  v  a  2 s . c om*/
        }
        stringBuilder.append(hv);
    }
    return stringBuilder.toString();
}

From source file:Main.java

public static String parseShortTime(int ms) {
    StringBuilder builder = new StringBuilder();
    int hour = ms / 1000 / 3600;
    if (hour > 0) {
        if (hour < 10) {
            builder.append("0");
        }// w  w w .j  ava  2  s.  co  m
        builder.append(hour);
        builder.append(":");
    }
    int minute = ms / 1000 % 3600 / 60;
    if (minute < 10) {
        builder.append("0");
    }
    builder.append(minute);
    builder.append(":");
    int second = ms / 1000 % 3600 % 60;
    if (second < 10) {
        builder.append("0");
    }
    builder.append(second);
    return builder.toString();
}

From source file:Main.java

public static <T> String toString(List<T> values) {
    StringBuilder buffer = new StringBuilder();
    for (T value : values) {
        buffer.append(value).append(System.lineSeparator());
    }/* w ww . jav  a  2 s .  c  o  m*/
    return buffer.toString();
}

From source file:Main.java

public static String getUtteranceId(String packageName, long notificationId) {
    StringBuilder utteranceId = new StringBuilder();
    utteranceId.append(notificationId).append("_").append(packageName);
    return utteranceId.toString();
}

From source file:Main.java

public static String getQualifiedMethodName(Method method) {
    return (new StringBuilder()).append(method.getDeclaringClass().getName()).append(".")
            .append(method.getName()).toString();
}

From source file:Main.java

public static String int2ip(long ipInt) {
    StringBuilder sb = new StringBuilder();
    sb.append(ipInt & 0xFF).append(".");
    sb.append((ipInt >> 8) & 0xFF).append(".");
    sb.append((ipInt >> 16) & 0xFF).append(".");
    sb.append((ipInt >> 24) & 0xFF);
    return sb.toString();
}

From source file:Main.java

public static String bytesToAddress(byte[] bytes) {
    StringBuilder sb = new StringBuilder();
    for (byte b : bytes) {
        sb.append(String.format("%02X:", b));
    }/*from   ww w  .  ja va2 s .  c  om*/
    sb.deleteCharAt(sb.length() - 1); // remove last semicolon
    return sb.toString();
}

From source file:Main.java

public static String asCSV(List<String> strings) {
    StringBuilder s = new StringBuilder();
    boolean first = true;
    for (String n : strings) {
        if (!first)
            s.append(",");
        s.append(n);/*from   ww w . j a  va2 s .c  om*/
        first = false;
    }
    return s.toString();
}