Example usage for java.lang Integer valueOf

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public static Integer valueOf(int i)

Source Link

Document

Returns an Integer instance representing the specified int value.

Usage

From source file:Main.java

public static int[] splitToIntArray(String s) {
    int ai1[];/*from w  w w. ja  v  a2s  . c  om*/
    if (s == null) {
        ai1 = null;
    } else {
        String as[] = s.split(":");
        ArrayList arraylist = new ArrayList();
        int i = as.length;
        int j = 0;
        do {
            if (j >= i)
                break;
            String s1 = as[j];
            if (s1 != null && s1.length() > 0)
                try {
                    arraylist.add(Integer.valueOf(Integer.valueOf(s1).intValue()));
                } catch (Exception exception) {
                    exception.printStackTrace();
                    Log.e("MicroMsg.Util", "invalid port num, ignore");
                }
            j++;
        } while (true);
        int ai[] = new int[arraylist.size()];
        for (int k = 0; k < ai.length; k++)
            ai[k] = ((Integer) arraylist.get(k)).intValue();

        ai1 = ai;
    }
    return ai1;
}

From source file:Main.java

public static int selectIntElement(Element parent, String elementName) {
    String result = selectStringElement(parent, elementName, "0");
    return Integer.valueOf(result);
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T> T getPref(Context _context, String prefKey, T defValue, Class<T> clazz) {
    final SharedPreferences pref = getDefaultSharedPreferences(_context);
    if (Long.class == clazz) {
        return (T) (Long.valueOf(pref.getLong(prefKey, (Long) defValue)));
    } else if (Integer.class == clazz) {
        return (T) (Integer.valueOf(pref.getInt(prefKey, (Integer) defValue)));
    } else if (defValue instanceof String) {
        return (T) (pref.getString(prefKey, String.valueOf(defValue)));
    } else if (defValue instanceof Boolean) {
        return (T) (Boolean.valueOf(pref.getBoolean(prefKey, (Boolean) defValue)));
    }/*from  w  w  w . j av  a  2s .  c  o  m*/
    throw new UnsupportedOperationException("Class " + clazz + " not supported");
}

From source file:Main.java

public static long getTotalMemoryPreJB() {
    String str1 = "/proc/meminfo";
    String str2;//from  w w w  .j a v a 2  s  .co m
    String[] arrayOfString;
    long initial_memory = 0;
    try {
        FileReader localFileReader = new FileReader(str1);
        BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);
        str2 = localBufferedReader.readLine();//meminfo
        arrayOfString = str2.split("\\s+");
        initial_memory = Integer.valueOf(arrayOfString[1]).intValue() * 1024;
        localBufferedReader.close();
        return initial_memory;
    } catch (IOException e) {
        return -1;
    }
}

From source file:Main.java

private static int readLineNumber(String line) {
    int start = line.indexOf("line="); //$NON-NLS-1$
    return Integer.valueOf(line.substring(start + 5));
}

From source file:Main.java

/**
 * <p>Extract integer values from an array of strings into an array of int.</p>
 *
 * <p>Exceptions in the format of the string are trapped and 0 value(s) returned.</p>
 *
 * @param   src   an array of strings, each of which should be an integer numeric value
 * @return      an array of int/*  w w w.  java2 s . c o  m*/
 */
static public int[] copyStringToIntArray(String[] src) {
    if (src == null)
        return null;
    int n = src.length;
    int[] dst = new int[n];
    for (int j = 0; j < n; ++j) {
        int value = 0;
        try {
            value = Integer.valueOf(src[j]).intValue();
        } catch (NumberFormatException e) {
        } catch (NullPointerException e) {
        }
        dst[j] = value;
    }
    return dst;
}

From source file:Main.java

private static Object[] toArrayByString(String str) {
    List<Object> result = new ArrayList<Object>();
    str = str.substring(1, str.length() - 1);
    String type = str.substring(0, str.indexOf("@"));
    String[] values = str.substring(str.indexOf("@") + 1).split(",");
    for (int i = 0; i < values.length; i++) {
        String value = unesc(values[i]);
        if ("java.lang.Long".equals(type))
            result.add(Long.valueOf(value));
        else if ("java.lang.Integer".equals(type))
            result.add(Integer.valueOf(value));
        else {//w  ww  .ja va2s .c  o  m
            result.add(value);
        }
    }
    return result.toArray();
}

From source file:Main.java

public static ArrayList<Integer> asIntegerList(String[] stringArray) {
    ArrayList<Integer> result = new ArrayList<Integer>();
    if (stringArray != null) {
        for (String string : stringArray) {
            result.add(Integer.valueOf(string));
        }/*from   w  w  w .  j  av a  2 s . c om*/
    }
    return result;
}

From source file:Main.java

public static int[] parseIntegerList(String list, int minValue, int maxValue) {
    ArrayList tmpList = new ArrayList();
    Pattern p = Pattern.compile("(\\d*)-(\\d*)");
    String[] a = list.replace(',', ' ').split("\\s+");
    int i = a.length;

    for (int i$ = 0; i$ < i; ++i$) {
        String token = a[i$];//from   w ww.  j a  va 2  s . c  om

        try {
            if (token.matches("\\d+")) {
                tmpList.add(Integer.valueOf(Integer.parseInt(token)));
            } else {
                Matcher e = p.matcher(token);

                if (e.matches()) {
                    String a1 = e.group(1);
                    String b = e.group(2);
                    int min = a1.equals("") ? minValue : Integer.parseInt(a1);
                    int max = b.equals("") ? maxValue : Integer.parseInt(b);

                    for (int i1 = min; i1 <= max; ++i1) {
                        tmpList.add(Integer.valueOf(i1));
                    }
                }
            }
        } catch (NumberFormatException var15) {
            ;
        }
    }

    if (minValue <= maxValue) {
        int var16 = 0;

        while (var16 < tmpList.size()) {
            if (((Integer) tmpList.get(var16)).intValue() >= minValue
                    && ((Integer) tmpList.get(var16)).intValue() <= maxValue) {
                ++var16;
            } else {
                tmpList.remove(var16);
            }
        }
    }

    int[] var17 = new int[tmpList.size()];

    for (i = 0; i < var17.length; ++i) {
        var17[i] = ((Integer) tmpList.get(i)).intValue();
    }

    return var17;
}

From source file:Main.java

/**
 * Set the text component in which only numerics (positive decimal integers
 * with character 0-9)./*ww w .j  a v a  2 s .  c o  m*/
 * 
 * @param c
 *            the specified text component
 */
public static void setTextComponetIntegerValid(final JTextComponent c) {
    c.addKeyListener(new KeyAdapter() {
        @Override
        public void keyTyped(KeyEvent e) {
            if (e.getKeyChar() != KeyEvent.VK_BACK_SPACE)
                try {
                    Integer.valueOf(c.getText() + e.getKeyChar());
                } catch (NumberFormatException nfe) {
                    e.consume();
                    Toolkit.getDefaultToolkit().beep();
                }
        }
    });
}