Example usage for java.lang StringBuffer append

Introduction

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

Prototype

@Override
    public synchronized StringBuffer append(double d)

Source Link

Usage

From source file:Main.java

private static String join(int length) {
    StringBuffer sb = new StringBuffer(1024);
    for (int i = 0; i < length; i++) {
        sb.append("?,");
    }/*from w  w w. j a v a 2s.com*/
    if (sb.charAt(sb.length() - 1) == ',') {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:Main.java

/**
 * A deliberately very inflexible camel case to underscored converter; it must not convert improper camel case
 * names to a proper underscored name.//from   ww  w  .  j  a v  a2  s .  co m
 */
public static String camelCaseToUnderscored(String camelCaseName) {
    int i = 0;
    while (i < camelCaseName.length() && Character.isLowerCase(camelCaseName.charAt(i))) {
        i++;
    }
    if (i == camelCaseName.length()) {
        // No conversion needed
        return camelCaseName;
    }

    StringBuffer sb = new StringBuffer();
    sb.append(camelCaseName.substring(0, i));
    while (i < camelCaseName.length()) {
        final char c = camelCaseName.charAt(i);
        if (isUpperUSASCII(c)) {
            sb.append('_');
            sb.append(Character.toLowerCase(c));
        } else {
            sb.append(c);
        }
        i++;
    }
    return sb.toString();
}

From source file:Main.java

protected static String pad(int cols) {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < cols; i++)
        sb.append(' ');
    return sb.toString();
}

From source file:Main.java

private static StringBuffer escape(char c, StringBuffer buffer) {
    String encoded = encodingMap.get(c);
    return buffer.append(encoded == null ? Character.toString(c) : encoded);
}

From source file:Main.java

public static <K, V> String mapToString(Map<K, V> map, String seperator) {
    StringBuffer sb = new StringBuffer();
    for (Entry<K, V> entry : map.entrySet()) {
        sb.append(entry.getKey() + seperator + entry.getValue() + "\n");
    }//  w ww  .ja  v  a  2s.c  om
    return sb.toString();
}

From source file:Main.java

public static String asciiToString(byte[] arrayList) {
    StringBuffer sbu = new StringBuffer();
    for (int i = 0; i < arrayList.length; i++) {
        sbu.append((char) arrayList[i]);
    }//  w ww . java2 s  .co m
    return sbu.toString();
}

From source file:Main.java

public static String listToString(List<String> weeks) {
    if (weeks == null || weeks.isEmpty()) {
        return "";
    }//  w w  w .j a  va  2 s.  co  m
    StringBuffer result = new StringBuffer();
    for (String week : weeks) {
        result.append(week).append(",");
    }
    if (result.length() != 0) {
        result.deleteCharAt(result.length() - 1);
    }
    return result.toString();
}

From source file:Main.java

public static String getByteArray(byte[] data) {
    final StringBuffer sb = new StringBuffer();
    for (int i = 0; i < data.length; i++) {
        sb.append(data[i] + ",");
    }/*from   www.  java2 s .  c om*/

    return sb.toString().substring(0, sb.length() - 1);
}

From source file:Main.java

public static String arrayToString(Object[] objs, String separator) {
    if (objs == null) {
        return "[null]";
    }//from   ww w .  j a v  a2s  .  c  om

    StringBuffer result = new StringBuffer();
    if (objs.length > 0) {
        result.append(objs[0] != null ? objs[0].toString() : objs[0]);
        for (int i = 1; i < objs.length; i++) {
            result.append(separator);
            result.append(objs[i] != null ? objs[i].toString() : objs[i]);
        }
    }
    return result.toString();
}

From source file:Main.java

/**
 * converts an array of bytes into a hex string.
 * /*from ww w  .  j  a  v  a2  s .  c  om*/
 * @param bytes          array of bytes to convert to hex string
 * @return               hex string representation of input array
 */
public static String bytesToHexString(byte[] bytes) {
    if (bytes == null)
        return "null";
    StringBuffer sb = new StringBuffer();
    for (byte b : bytes) {
        sb.append(String.format("%02X ", b & 0xFF));
    }
    return sb.toString();
}