Example usage for java.text CharacterIterator setIndex

Introduction

In this page you can find the example usage for java.text CharacterIterator setIndex.

Prototype

public char setIndex(int position);

Source Link

Document

Sets the position to the specified position in the text and returns that character.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    CharacterIterator it = new StringCharacterIterator("abcd");

    char ch = it.first();
    ch = it.current();/*w w w.java 2  s  . c  o  m*/
    ch = it.next();
    ch = it.current();
    ch = it.last();
    int pos = it.getIndex();
    ch = it.next();
    pos = it.getIndex();
    ch = it.previous();
    ch = it.setIndex(1);
}

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From source file:XmlValueEncoder.java

/**
 * {@inheritDoc}//from  www .  ja  va2  s  .  co  m
 *
 * @see org.jboss.dna.common.text.TextDecoder#decode(java.lang.String)
 */
public String decode(String encodedText) {
    if (encodedText == null)
        return null;
    StringBuilder sb = new StringBuilder();
    CharacterIterator iter = new StringCharacterIterator(encodedText);
    for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
        if (c == '&') {
            int index = iter.getIndex();

            do {
                c = iter.next();
            } while (c != CharacterIterator.DONE && c != ';');

            // We found a closing semicolon
            if (c == ';') {
                String s = encodedText.substring(index + 1, iter.getIndex());

                if (SPECIAL_ENTITIES.containsKey(s)) {
                    sb.append(SPECIAL_ENTITIES.get(s));
                    continue;

                }

                if (s.length() > 0 && s.charAt(0) == '#') {
                    try {
                        sb.append((char) Short.parseShort(s.substring(1, s.length())));
                        continue;
                    } catch (NumberFormatException nfe) {
                        // This is possible in malformed encodings, but let it fall through
                    }
                }
            }

            // Malformed encoding, restore state and pass poorly encoded data back
            c = '&';
            iter.setIndex(index);
        }

        sb.append(c);

    }
    return sb.toString();
}

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