Examples with StringCharacterIterator java.text.StringCharacterIterator used on opensource projects

Example 6 with StringCharacterIterator

use of java.text.StringCharacterIterator in project hadoop by apache.

the class Text method utf8Length.

/**
   * For the given string, returns the number of UTF-8 bytes
   * required to encode the string.
   * @param string 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;
                // rewind one
                iter.previous();
            }
        } 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;
}

Example 7 with StringCharacterIterator

use of java.text.StringCharacterIterator in project OpenNotebook by jaltekruse.

the class MathObjectAttribute method formatForXML.

public static String formatForXML(String aText) {
    final StringBuilder result = new StringBuilder();
    final StringCharacterIterator iterator = new StringCharacterIterator(aText);
    char character = iterator.current();
    while (character != CharacterIterator.DONE) {
        if (character == '<') {
            result.append("&lt;");
        } else if (character == '>') {
            result.append("&gt;");
        } else if (character == '\"') {
            result.append("&quot;");
        } else if (character == '\'') {
            result.append("&#039;");
        } else if (character == '&') {
            result.append("&amp;");
        } else {
            //the char is not a special one
            //add it to the result as is
            result.append(character);
        }
        character = iterator.next();
    }
    return result.toString();
}

Example 8 with StringCharacterIterator

use of java.text.StringCharacterIterator in project OpenAM by OpenRock.

the class PolicyClientServlet method displayXML.

//This is a utility function used to hack up an HTML display of an XML
//string.
private String displayXML(String input) {
    StringCharacterIterator iter = new StringCharacterIterator(input);
    StringBuffer buf = new StringBuffer();
    for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
        if (c == '>') {
            buf.append(">");
        } else if (c == '<') {
            buf.append("&lt;");
        } else if (c == '\n') {
            buf.append("<BR>\n");
        } else {
            buf.append(c);
        }
    }
    return buf.toString();
}

Example 9 with StringCharacterIterator

use of java.text.StringCharacterIterator in project Gradle-demo by Arisono.

the class JsonValidator method valid.

private boolean valid(String input) {
    if ("".equals(input))
        return true;
    boolean ret = true;
    it = new StringCharacterIterator(input);
    c = it.first();
    col = 1;
    if (!value()) {
        ret = error("value", 1);
    } else {
        skipWhiteSpace();
        if (c != CharacterIterator.DONE) {
            ret = error("end", col);
        }
    }
    return ret;
}

Example 10 with StringCharacterIterator

use of java.text.StringCharacterIterator in project intellij-community by JetBrains.

the class RestTitle method getUnderline.

@Nullable
public String getUnderline() {
    final String text = getNode().getText().trim();
    if (text.length() < 2)
        return null;
    final char adorn = text.charAt(text.length() - 2);
    final CharacterIterator it = new StringCharacterIterator(text);
    int start = 0;
    for (char ch = it.last(); ch != CharacterIterator.DONE; ch = it.previous()) {
        if (ch != adorn) {
            start = it.getIndex() + 1;
            break;
        }
    }
    return text.substring(start, text.length());
}