Example usage for java.text CharacterIterator next

Introduction

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

Prototype

public char next();

Source Link

Document

Increments the iterator's index by one and returns the character at the new index.

Usage

From source file:org.fracturedatlas.athena.audit.manager.AuditManager.java

static Set<String> parseValues(String valueString) {
    HashSet<String> values = new HashSet<String>();
    valueString = StringUtils.trimToEmpty(valueString);
    valueString = StringUtils.strip(valueString, "()");
    valueString = StringUtils.trimToEmpty(valueString);
    CharacterIterator it = new StringCharacterIterator(valueString);
    boolean inString = false;
    int begin = 0;
    int end = 0;//from   w ww  .  j a  va  2 s . com
    int numValues = 0;
    StringBuilder sb = new StringBuilder();
    // Iterate over the characters in the forward direction
    for (char ch = it.first(); ch != CharacterIterator.DONE; ch = it.next()) {
        if (ch == '\"') {
            inString = true;
            ch = it.next();
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == '\\') {
                    // skip any " in a string
                    sb.append(ch);
                    ch = it.next();
                } else if (ch == '\"') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));
        } else if (ch == ',') {
            // new value
        } else if (" \t\n\r".indexOf(ch) > -1) {
            //skip whitespace
        } else {
            // not a comma, whitespace or a string start
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == ',') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));

        }
    }
    return values;
}

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From source file:XmlCharacters.java

/**
 * Determine if the supplied name is a valid XML Name.
 * /* w w w .  j av  a2s .  c  o m*/
 * @param name the string being checked
 * @return true if the supplied name is indeed a valid XML Name, or false otherwise
 */
public static boolean isValidName(String name) {
    if (name == null || name.length() == 0)
        return false;
    CharacterIterator iter = new StringCharacterIterator(name);
    char c = iter.first();
    if (!isValidNameStart(c))
        return false;
    while (c != CharacterIterator.DONE) {
        if (!isValidName(c))
            return false;
        c = iter.next();
    }
    return true;
}

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From source file:XmlCharacters.java

/**
 * Determine if the supplied name is a valid XML NCName.
 * /*from w ww  .ja  va  2  s . c  om*/
 * @param name the string being checked
 * @return true if the supplied name is indeed a valid XML NCName, or false otherwise
 */
public static boolean isValidNcName(String name) {
    if (name == null || name.length() == 0)
        return false;
    CharacterIterator iter = new StringCharacterIterator(name);
    char c = iter.first();
    if (!isValidNcNameStart(c))
        return false;
    while (c != CharacterIterator.DONE) {
        if (!isValidNcName(c))
            return false;
        c = iter.next();
    }
    return true;
}

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From source file:org.ppwcode.vernacular.l10n_III.I18nExceptionHelpers.java

/**
 * Helper method for processTemplate to scan the full pattern, once the beginning of a pattern was found.
 *//*w ww .j  ava2  s.  co m*/
private static String processTemplatePattern(Object context, Locale locale, List<Object> objects,
        CharacterIterator iterator) throws I18nException {
    // previous token was "{", scan up to balanced "}"
    // scan full pattern now
    StringBuffer patternAcc = new StringBuffer(128);
    char token = ' '; // initialise with dummy value
    int balance = 1;
    while ((balance > 0) && (token != CharacterIterator.DONE)) {
        token = iterator.next();
        patternAcc.append(token);
        if (token == '{') {
            balance++;
        } else if (token == '}') {
            balance--;
        }
    }
    // done or bad template ?!?
    if (token == CharacterIterator.DONE) {
        throw new I18nTemplateException("Bad template pattern", patternAcc.toString());
    }
    // remove last "}"
    patternAcc.setLength(patternAcc.length() - 1);
    // prepare pattern, treat the "," for formatting parts
    int comma = patternAcc.indexOf(",");
    String pattern = null;
    String patternPostfix = "";
    if (comma == -1) {
        pattern = patternAcc.toString();
    } else if (comma == 0) {
        throw new I18nTemplateException("Bad template pattern", patternAcc.toString());
    } else {
        pattern = patternAcc.substring(0, comma);
        patternPostfix = patternAcc.substring(comma, patternAcc.length());
    }
    // process pattern
    String processedPattern = processPattern(pattern, context, locale, objects);
    return processedPattern + patternPostfix;
}

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From source file:org.fracturedatlas.athena.search.AthenaSearch.java

public static Set<String> parseValues(String valueString) {
    HashSet<String> values = new HashSet<String>();
    valueString = StringUtils.trimToEmpty(valueString);
    valueString = StringUtils.strip(valueString, "()");
    valueString = StringUtils.trimToEmpty(valueString);
    CharacterIterator it = new StringCharacterIterator(valueString);
    boolean inString = false;
    int begin = 0;
    int end = 0;//from ww  w.j  ava  2  s.  c o m
    int numValues = 0;
    StringBuilder sb = new StringBuilder();
    // Iterate over the characters in the forward direction
    for (char ch = it.first(); ch != CharacterIterator.DONE; ch = it.next()) {
        if (ch == '\"') {
            inString = true;
            ch = it.next();
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == '\\') {
                    // skip any " in a string
                    sb.append(ch);
                    ch = it.next();
                } else if (ch == '\"') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));
        } else if (ch == ',') {
            // new value
        } else if (" \t\n\r".indexOf(ch) > -1) {
            //skip whitespace
        } else {
            // not a comma, whitespace or a string start
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == ',') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));

        }
    }

    return values;
}

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From source file:org.fracturedatlas.athena.web.manager.RecordManager.java

static Set<String> parseValues(String valueString) {
    HashSet<String> values = new HashSet<String>();
    valueString = StringUtils.trimToEmpty(valueString);
    valueString = StringUtils.strip(valueString, "()");
    valueString = StringUtils.trimToEmpty(valueString);
    CharacterIterator it = new StringCharacterIterator(valueString);
    boolean inString = false;
    int begin = 0;
    int end = 0;//from  ww  w.ja v  a  2 s .  co m
    int numValues = 0;
    StringBuilder sb = new StringBuilder();
    // Iterate over the characters in the forward direction
    for (char ch = it.first(); ch != CharacterIterator.DONE; ch = it.next()) {
        if (ch == '\"') {
            inString = true;
            ch = it.next();
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == '\\') {
                    // skip any " in a string
                    sb.append(ch);
                    ch = it.next();
                } else if (ch == '\"') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));
        } else if (ch == ',') {
            // new value
        } else if (" \t\n\r".indexOf(ch) > -1) {
            //skip whitespace
        } else {
            // not a comma, whitespace or a string start
            sb = new StringBuilder();
            for (; ch != CharacterIterator.DONE; ch = it.next()) {
                if (ch == ',') {
                    break;
                }
                sb.append(ch);
            }
            inString = false;
            values.add(StringUtils.trimToEmpty(sb.toString()));

        }
    }

    return values;
}

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From source file:org.ppwcode.vernacular.l10n_III.I18nExceptionHelpers.java

protected static String processTemplate(String template, Object context, Locale locale, List<Object> objects)
        throws I18nException {
    StringBuffer result = new StringBuffer(1024);
    CharacterIterator iterator = new StringCharacterIterator(template);
    char token = iterator.first();
    try {/*from   w  w w .j ava2 s.  c  o m*/
        while (token != CharacterIterator.DONE) {
            if (token != '{') {
                result.append(token);
            } else {
                result.append("{");
                result.append(processTemplatePattern(context, locale, objects, iterator));
                result.append("}");
            }
            token = iterator.next();
        }
    } catch (I18nException exc) {
        throw new I18nTemplateException("Error processing template", template, context, locale, exc);
    }
    return result.toString();
}

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From source file:com.itude.mobile.android.util.StringUtil.java

/**
 * Strip a {@link String} by removing HTML elements
 * /*from  ww  w  .j ava 2s .c  o m*/
 * @param textToStrip {@link String} to strip
 * @return stripped {@link String}
 */
public static String stripHTMLTags(String textToStrip) {

    StringBuffer returnText = new StringBuffer(textToStrip.length());

    CharacterIterator iterator = new StringCharacterIterator(textToStrip);

    boolean finished = true;
    boolean started = false;
    for (char ch = iterator.first(); ch != CharacterIterator.DONE; ch = iterator.next()) {
        if (ch == '<') {
            started = true;
        } else if (ch == '>') {
            started = false;
            finished = true;
        } else if (finished && !started) {
            returnText.append(ch);
        }

    }

    return returnText.toString().trim();
}

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From source file:Main.java

public static String encode(String unencodedValue) {

    CharacterIterator charIterator;
    StringBuilder encodeBuilder;/*from  ww  w.  j av a2s.c  o  m*/
    char currentChar;

    encodeBuilder = new StringBuilder();
    charIterator = new StringCharacterIterator(unencodedValue);
    while ((currentChar = charIterator.current()) != CharacterIterator.DONE) {
        switch (currentChar) {
        case '&':
            encodeBuilder.append("&");
            break;
        case '<':
            encodeBuilder.append("&lt;");
            break;
        case '>':
            encodeBuilder.append("&gt;");
            break;
        default:
            encodeBuilder.append(currentChar);
        }
        charIterator.next();
    }

    return encodeBuilder.toString();
}

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From source file:org.apache.arrow.vector.util.Text.java

/**
 * For the given string, returns the number of UTF-8 bytes required to encode the string.
 *
 * @param string//from  w  w  w .j  a va2  s .c  o  m
 *          text to encode
 * @return number of UTF-8 bytes required to encode
 */
public static int utf8Length(String string) {
    CharacterIterator iter = new StringCharacterIterator(string);
    char ch = iter.first();
    int size = 0;
    while (ch != CharacterIterator.DONE) {
        if ((ch >= 0xD800) && (ch < 0xDC00)) {
            // surrogate pair?
            char trail = iter.next();
            if ((trail > 0xDBFF) && (trail < 0xE000)) {
                // valid pair
                size += 4;
            } else {
                // invalid pair
                size += 3;
                iter.previous(); // rewind one
            }
        } else if (ch < 0x80) {
            size++;
        } else if (ch < 0x800) {
            size += 2;
        } else {
            // ch < 0x10000, that is, the largest char value
            size += 3;
        }
        ch = iter.next();
    }
    return size;
}

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