Example usage for java.lang CharSequence length

Introduction

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

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

private static boolean isUpperCase(CharSequence sequence) {
    for (int i = 0; i < sequence.length(); i++) {
        if (Character.isLowerCase(sequence.charAt(i)))
            return false;
    }// w  w  w . ja v a2  s.c o m

    return true;
}

From source file:Main.java

public static boolean isEmpty(@Nullable CharSequence str) {
    if (str == null || str.length() == 0) {
        return true;
    } else {//w  w w . j a  v  a2 s  .c om
        return false;
    }
}

From source file:Main.java

/**
 * Returns true if the string is null or 0-length.
 * /* w w  w .  jav a 2s  . com*/
 * @param str
 *            the string to be examined
 * @return true if str is null or zero length
 */
public static boolean isEmpty(CharSequence str) {
    if (str == null || str.length() == 0 || "null".equals(str.toString().trim()))
        return true;
    else
        return false;
}

From source file:Main.java

/**
 * Convert the hex string to the integer value.
 * @param str/*from www.j a  va2 s .  c  o  m*/
 * @return the integer value for the specified hex string
 */
public static int intFromHexString(CharSequence str) {
    int n = 0;
    for (int i = 0; i < str.length(); i++) {
        char c = str.charAt(i);
        int v = c <= '9' ? c - '0' : c - 'a' + 10;
        n <<= 4;
        n |= (v & 0x0f);
    }
    return n;
}

From source file:Main.java

public static boolean isValidT9Key(@NonNull CharSequence key) {
    final int LEN = key.length();
    for (int i = 0; i < LEN; i++) {
        if (!isValidT9Key(key.charAt(i))) {
            return false;
        }//from  w  ww  .j  a  v a  2 s  .  c o  m
    }
    return true;
}

From source file:Main.java

/**
 * Test whether the given string matches the given substring
 * at the given index.//  w  w  w  .  j ava 2  s.  com
 * @param str the original string (or StringBuilder)
 * @param index the index in the original string to start matching against
 * @param substring the substring to match at the given index
 */
public static boolean substringMatch(CharSequence str, int index, CharSequence substring) {
    for (int j = 0; j < substring.length(); j++) {
        int i = index + j;
        if (i >= str.length() || str.charAt(i) != substring.charAt(j)) {
            return false;
        }
    }
    return true;
}

From source file:Main.java

/**
 * get from android.util.TextUtils.isEmpty(CharSequence str)
 * copy it from there because since it is in android package asked for
 * androidTest so it's here with another implementation of that method
 * what they do is same nothing extra or special
 * @param str//from  w  w w  . j  av  a 2  s  .co m
 * @return
 */
public static boolean isEmpty(CharSequence str) {
    if (str == null || str.length() == 0)
        return true;
    else
        return false;
}

From source file:Main.java

public static String copyString(CharSequence charSequence) {
    int length = charSequence.length();
    char[] chars = new char[length];

    if (charSequence instanceof GetChars) {
        ((GetChars) charSequence).getChars(0, length, chars, 0);
    } else {//from   w  w  w  .j ava 2s  .c o m
        for (int i = 0; i < length; i++) {
            chars[i] = charSequence.charAt(i);
        }
    }

    return new String(chars);
}

From source file:Main.java

public static boolean isEmpty(CharSequence cs) {
    return cs == null || cs.length() == 0;
}

From source file:Main.java

public static final int clipboardTextLength(Context context) {
    ClipboardManager cm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
    CharSequence text = cm != null ? cm.getText() : null;
    return text != null ? text.length() : 0;
}