Example usage for java.text BreakIterator following

Introduction

In this page you can find the example usage for java.text BreakIterator following.

Prototype

public abstract int following(int offset);

Source Link

Document

Returns the first boundary following the specified character offset.

Usage

From source file:com.arthackday.killerapp.util.Util.java

public static String truncate(String text, int charLimit) {
    if (text.length() > charLimit) {
        BreakIterator bi = BreakIterator.getWordInstance();
        bi.setText(text);//from www.  java 2 s . c  om
        int cutOff = bi.following(charLimit);
        text = text.substring(0, cutOff) + " ...";
    }
    return text;
}

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From source file:org.eclipse.fx.core.text.TextUtil.java

/**
 * Find the end offset of the word/*ww w  . j av a  2s.c  om*/
 *
 * @param content
 *            the content
 * @param offset
 *            the offset to start the search from
 * @param pointAsBoundary
 *            should the '.' treated as word boundary
 * @return the end offset or {@link BreakIterator#DONE}
 */
public static int findWordEndOffset(IterableCharSequence content, int offset, boolean pointAsBoundary) {
    BreakIterator wordInstance = BreakIterator.getWordInstance();
    wordInstance.setText(content.getIterator());
    int rv = wordInstance.following(offset);
    if (rv != BreakIterator.DONE && pointAsBoundary) {
        String s = content.subSequence(offset, rv).toString();
        int idx = s.indexOf('.');
        if (idx >= 0) {
            rv = offset + idx;
        }

        if (rv == offset) {
            rv = offset + 1;
        }
    }
    return rv;
}

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From source file:org.eclipse.fx.core.text.TextUtil.java

/**
 * Find the bounds of the word//from   w ww .  ja  va  2s. c o m
 *
 * @param content
 *            the content
 * @param offset
 *            the offset
 * @param pointAsBoundary
 *            should the '.' treated as word boundary
 * @return a tuple of value representing start and end
 */
public static IntTuple findWordBounds(IterableCharSequence content, int offset, boolean pointAsBoundary) {
    BreakIterator wordInstance = BreakIterator.getWordInstance();
    wordInstance.setText(content.getIterator());
    int previous = wordInstance.preceding(offset);
    int next = wordInstance.following(offset);

    if (pointAsBoundary && previous != BreakIterator.DONE && next != BreakIterator.DONE) {
        String preMatch = content.subSequence(previous, offset).toString();
        String postMatch = content.subSequence(offset, next).toString();

        int idx = preMatch.lastIndexOf('.');
        if (idx > 0) {
            previous += idx + 1;
        }

        idx = postMatch.indexOf('.');
        if (idx > 0) {
            next = offset + idx;
        }
    }

    return new IntTuple(previous, next);
}

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From source file:net.bible.service.device.speak.SpeakTextProvider.java

private StartPos getForwardTextStartPos(String text, float fraction) {
    StartPos retVal = new StartPos();

    int allTextLength = text.length();
    int nextTextOffset = (int) (Math.min(1, fraction) * allTextLength);

    BreakIterator breakIterator = BreakIterator.getSentenceInstance();
    breakIterator.setText(text);/*from w  w  w  .  j  a  v  a2  s .  c  o  m*/
    int startPos = 0;
    try {
        // this can rarely throw an Exception
        startPos = breakIterator.following(nextTextOffset);
    } catch (Exception e) {
        Log.e(TAG, "Error finding next sentence start", e);
    }
    retVal.found = startPos >= 0;

    if (retVal.found) {
        // nudge the startPos past the beginning of sentence so this sentence start is found when searching for previous block in getNextSentence
        retVal.startPosition = startPos < text.length() - 1 - 1 ? startPos + 1 : startPos;

        // because we don't return an exact fraction, but go to the beginning of a sentence, we need to update the fractionAlreadySpoken  
        retVal.actualFractionOfWhole = ((float) retVal.startPosition) / allTextLength;

        retVal.text = text.substring(retVal.startPosition);
    }
    return retVal;
}

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From source file:com.bellman.bible.service.device.speak.SpeakTextProvider.java

private StartPos getForwardTextStartPos(String text, float fraction) {
    StartPos retVal = new StartPos();

    int allTextLength = text.length();
    int nextTextOffset = (int) (Math.min(1, fraction) * allTextLength);

    BreakIterator breakIterator = BreakIterator.getSentenceInstance();
    breakIterator.setText(text);/*from ww  w.ja  va 2s  . com*/
    int startPos = 0;
    try {
        // this can rarely throw an Exception
        startPos = breakIterator.following(nextTextOffset);
    } catch (Exception e) {
        Log.e(TAG, "Error finding next sentence start", e);
    }
    retVal.found = startPos >= 0;

    if (retVal.found) {
        // nudge the startPos past the beginning of sentence so this sentence start is found when searching for previous block in getNextSentence
        retVal.startPosition = startPos < text.length() - 1 - 1 ? startPos + 1 : startPos;

        // because we don't return an exact fraction, but go to the beginning of a sentence, we need to update the fractionAlreadySpoken
        retVal.actualFractionOfWhole = ((float) retVal.startPosition) / allTextLength;

        retVal.text = text.substring(retVal.startPosition);
    }
    return retVal;
}

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