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:StringUtils.java

/**
 * @param stripChars if null, remove leading unicode whitespaces.
 *//*w w  w.  j  ava  2  s.com*/
public static CharSequence stripEnd(CharSequence src, String stripChars) {
    int end;
    if (src == null || (end = src.length()) == 0) {
        return src;
    }
    if (stripChars == null) {
        while ((end != 0) && Character.isWhitespace(src.charAt(end - 1))) {
            end--;
        }
    } else if (stripChars.length() == 0) {
        return src;
    } else {
        while ((end != 0) && (stripChars.indexOf(src.charAt(end - 1)) != -1)) {
            end--;
        }
    }
    return src.subSequence(0, end);
}

From source file:Main.java

/**
 * Append newText to the text field represented by connection.
 * The new text becomes selected./*w  ww .  j  a v  a  2  s .co  m*/
 */
public static void appendText(InputConnection connection, String newText) {
    if (connection == null) {
        return;
    }

    // Commit the composing text
    connection.finishComposingText();

    // Add a space if the field already has text.
    CharSequence charBeforeCursor = connection.getTextBeforeCursor(1, 0);
    if (charBeforeCursor != null && !charBeforeCursor.equals(" ") && (charBeforeCursor.length() > 0)) {
        newText = " " + newText;
    }

    connection.setComposingText(newText, 1);
}

From source file:Main.java

public static void setEditTextCursorLocation(EditText editText) {
    CharSequence text = editText.getText();
    if (text instanceof Spannable) {
        Spannable spanText = (Spannable) text;
        Selection.setSelection(spanText, text.length());
    }/*ww  w .j a va  2 s .co  m*/
}

From source file:Main.java

/**
 * Green implementation of toCharArray.//from w w  w . java 2 s .c  o m
 *
 * @param cs the {@code CharSequence} to be processed
 * @return the resulting char array
 */
static char[] toCharArray(final CharSequence cs) {
    if (cs instanceof String) {
        return ((String) cs).toCharArray();
    } else {
        final int sz = cs.length();
        final char[] array = new char[cs.length()];
        for (int i = 0; i < sz; i++) {
            array[i] = cs.charAt(i);
        }
        return array;
    }
}

From source file:Strings.java

/**
 * Return a displayable version of the character sequence,
 * followed by integer positions at various powers of 10.
 * For instance, for the input string \code{John ran home.}, the
 * output is/*from  w  w w  .  j  av  a 2s .co m*/
 *
 * <blockquote><pre>
 * John ran home.
 * 01234567890123
 * 0         1
 * </pre></blockquote>
 *
 * This allows easy access to the index of positions in the
 * string.
 *
 * @param in Input sequence to annotate.
 * @return The input sequence followed by indexing positions.
 */
public static String textPositions(CharSequence in) {
    StringBuilder sb = new StringBuilder();
    sb.append(in);
    for (int base = 1; base <= in.length(); base *= 10) {
        sb.append('\n');
        for (int i = 0; i < in.length(); ++i)
            sb.append(i % base == 0 ? Integer.toString((i / base) % 10) : " ");
    }
    return sb.toString();
}

From source file:Main.java

public static void setCursorLocation(Context context, EditText editText) {
    CharSequence text = editText.getText();
    if (text instanceof Spannable) {
        Spannable spanText = (Spannable) text;
        Selection.setSelection(spanText, text.length());
    }// w  w  w  .ja v a  2 s  . c o  m
}

From source file:com.hj.blog.common.utils.StringUtils.java

static boolean isNumeric(final CharSequence cs) {
    if (isEmpty(cs)) {
        return false;
    }/*from  w  w  w.j  av  a2s  .c  o  m*/
    final int sz = cs.length();
    for (int i = 0; i < sz; i++) {
        if (Character.isDigit(cs.charAt(i)) == false) {
            return false;
        }
    }
    return true;
}

From source file:Main.java

/**
 * Check whether the given CharSequence has actual text.
 * More specifically, returns {@code true} if the string not {@code null},
 * its length is greater than 0, and it contains at least one non-whitespace character.
 * <p><pre class="code">//from   w w w .  j av a  2 s .c o  m
 * StringUtils.hasText(null) = false
 * StringUtils.hasText("") = false
 * StringUtils.hasText(" ") = false
 * StringUtils.hasText("12345") = true
 * StringUtils.hasText(" 12345 ") = true
 * </pre>
 * @param str the CharSequence to check (may be {@code null})
 * @return {@code true} if the CharSequence is not {@code null},
 * its length is greater than 0, and it does not contain whitespace only
 * @see Character#isWhitespace
 */
public static boolean hasText(CharSequence str) {
    if (!hasLength(str)) {
        return false;
    }
    int strLen = str.length();
    for (int i = 0; i < strLen; i++) {
        if (!Character.isWhitespace(str.charAt(i))) {
            return true;
        }
    }
    return false;
}

From source file:StringUtils.java

/**
 * @param stripChars if null, remove leading unicode whitespaces.
 *//*from w  w  w . ja  v  a2  s. c o m*/
public static CharSequence stripStart(CharSequence src, String stripChars) {
    int srclen;
    if (src == null || (srclen = src.length()) == 0) {
        return src;
    }
    int start = 0;
    if (stripChars == null) {
        while ((start != srclen) && Character.isWhitespace(src.charAt(start))) {
            start++;
        }
    } else if (stripChars.length() == 0) {
        return src;
    } else {
        while ((start != srclen) && (stripChars.indexOf(src.charAt(start)) != -1)) {
            start++;
        }
    }
    return src.subSequence(start, srclen);
}

From source file:Main.java

/**
 * Applies the given style to a range of the input CharSequence.
 * @param style The style to apply (see the style constants in {@link Typeface}).
 * @param input The CharSequence to style.
 * @param start Starting index of the range to style (will be clamped to be a minimum of 0).
 * @param end Ending index of the range to style (will be clamped to a maximum of the input
 *     length).//from ww w .j  a  v  a  2s  . c  o  m
 * @param flags Bitmask for configuring behavior of the span.  See {@link android.text.Spanned}.
 * @return The styled CharSequence.
 */
public static CharSequence applyStyleToSpan(int style, CharSequence input, int start, int end, int flags) {
    // Enforce bounds of the char sequence.
    start = Math.max(0, start);
    end = Math.min(input.length(), end);
    SpannableString text = new SpannableString(input);
    text.setSpan(new StyleSpan(style), start, end, flags);
    return text;
}