Example usage for java.io CharConversionException CharConversionException

List of usage examples for java.io CharConversionException CharConversionException

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Introduction

In this page you can find the example usage for java.io CharConversionException CharConversionException.

Prototype

public CharConversionException(String s)

Source Link

Document

This provides a detailed message.

Usage

From source file:Main.java

/**
 * Escape passed string as XML element content (<code>&lt;</code>, 
 * <code>&amp;</code> and <code>><code> in <code>]]></code> sequences).
 *
 * @param val a string to be escaped//w w  w .ja  va  2 s . c o  m
 *
 * @return escaped value
 * @throws CharConversionException if val contains an improper XML character
 *
 * @since 1.40
 */
public static String toElementContent(String val) throws CharConversionException {
    if (val == null)
        throw new CharConversionException("null"); // NOI18N

    if (checkContentCharacters(val))
        return val;

    StringBuffer buf = new StringBuffer();

    for (int i = 0; i < val.length(); i++) {
        char ch = val.charAt(i);
        if ('<' == ch) {
            buf.append("&lt;");
            continue;
        } else if ('&' == ch) {
            buf.append("&amp;");
            continue;
        } else if ('>' == ch && i > 1 && val.charAt(i - 2) == ']' && val.charAt(i - 1) == ']') {
            buf.append("&gt;");
            continue;
        }
        buf.append(ch);
    }
    return buf.toString();

}

From source file:Main.java

/** 
 * Escape passed string as XML attibute value
 * (<code>&lt;</code>, <code>&amp;</code>, <code>'</code> and <code>"</code>
 * will be escaped./*from  www  . j  a v  a2  s  .com*/
 * Note: An XML processor returns normalized value that can be different.
 *
 * @param val a string to be escaped
 *
 * @return escaped value
 * @throws CharConversionException if val contains an improper XML character
 *
 * @since 1.40
 */
public static String toAttributeValue(String val) throws CharConversionException {

    if (val == null)
        throw new CharConversionException("null"); // NOI18N

    if (checkAttributeCharacters(val))
        return val;

    StringBuffer buf = new StringBuffer();

    for (int i = 0; i < val.length(); i++) {
        char ch = val.charAt(i);
        if ('<' == ch) {
            buf.append("&lt;");
            continue;
        } else if ('&' == ch) {
            buf.append("&amp;");
            continue;
        } else if ('\'' == ch) {
            buf.append("&apos;");
            continue;
        } else if ('"' == ch) {
            buf.append("&quot;");
            continue;
        }
        buf.append(ch);
    }
    return buf.toString();

}

From source file:Main.java

/**
 * Check if all passed characters match XML expression [2].
 * @return true if no escaping necessary
 * @throws CharConversionException if contains invalid chars
 *///from w w  w.  j a v  a 2 s  . c  o m
private static boolean checkAttributeCharacters(String chars) throws CharConversionException {
    boolean escape = false;
    for (int i = 0; i < chars.length(); i++) {
        char ch = chars.charAt(i);
        if (((int) ch) <= 93) { // we are UNICODE ']'
            switch (ch) {
            case 0x9:
            case 0xA:
            case 0xD:
                continue;
            case '\'':
            case '"':
            case '<':
            case '&':
                escape = true;
                continue;
            default:
                if (((int) ch) < 0x20) {
                    throw new CharConversionException("Invalid XML character &#" + ((int) ch) + ";.");
                }
            }
        }
    }
    return escape == false;
}

From source file:Main.java

/**
 * Check if all passed characters match XML expression [2].
 * @return true if no escaping necessary
 * @throws CharConversionException if contains invalid chars
 *///from   w  w  w .j  av  a2s  .  c  om
private static boolean checkContentCharacters(String chars) throws CharConversionException {
    boolean escape = false;
    for (int i = 0; i < chars.length(); i++) {
        char ch = chars.charAt(i);
        if (((int) ch) <= 93) { // we are UNICODE ']'
            switch (ch) {
            case 0x9:
            case 0xA:
            case 0xD:
                continue;
            case '>': // only ]]> is dangerous
                if (escape)
                    continue;
                escape = i > 0 && (chars.charAt(i - 1) == ']');
                continue;
            case '<':
            case '&':
                escape = true;
                continue;
            default:
                if (((int) ch) < 0x20) {
                    throw new CharConversionException("Invalid XML character &#" + ((int) ch) + ";.");
                }
            }
        }
    }
    return escape == false;
}

From source file:Main.java

/**
 * Escape passed string as XML element content (<code>&lt;</code>,
 * <code>&amp;</code> and <code>&gt;</code> in <code>]]&gt;</code>
 * sequences)./*from  w w  w .jav  a2s.c  o m*/
 *
 * @param val a string to be escaped
 *
 * @return escaped value
 * @throws CharConversionException if val contains an improper XML character
 *
 * @since 1.40
 */
public static String toElementContent(String val) throws CharConversionException {
    if (val == null) {
        throw new CharConversionException("null"); // NOI18N
    }

    if (checkContentCharacters(val)) {
        return val;
    }

    StringBuilder buf = new StringBuilder();

    for (int i = 0; i < val.length(); i++) {
        char ch = val.charAt(i);

        if ('<' == ch) {
            buf.append("&lt;");

            continue;
        } else if ('&' == ch) {
            buf.append("&amp;");

            continue;
        } else if (('>' == ch) && (i > 1) && (val.charAt(i - 2) == ']') && (val.charAt(i - 1) == ']')) {
            buf.append("&gt;");

            continue;
        }

        buf.append(ch);
    }

    return buf.toString();
}

From source file:Main.java

/**
 * Escape passed string as XML attibute value (<code>&lt;</code>,
 * <code>&amp;</code>, <code>'</code> and <code>"</code> will be escaped.
 * Note: An XML processor returns normalized value that can be different.
 *
 * @param val a string to be escaped/*from   www .  ja  va2  s  .  co  m*/
 *
 * @return escaped value
 * @throws CharConversionException if val contains an improper XML character
 *
 * @since 1.40
 */
public static String toAttributeValue(String val) throws CharConversionException {
    if (val == null) {
        throw new CharConversionException("null"); // NOI18N
    }

    if (checkAttributeCharacters(val)) {
        return val;
    }

    StringBuilder buf = new StringBuilder();

    for (int i = 0; i < val.length(); i++) {
        char ch = val.charAt(i);

        if ('<' == ch) {
            buf.append("&lt;");

            continue;
        } else if ('&' == ch) {
            buf.append("&amp;");

            continue;
        } else if ('\'' == ch) {
            buf.append("&apos;");

            continue;
        } else if ('"' == ch) {
            buf.append("&quot;");

            continue;
        }

        buf.append(ch);
    }

    return buf.toString();
}

From source file:Main.java

/**
 * Check if all passed characters match XML expression [2].
 *
 * @return true if no escaping necessary
 * @throws CharConversionException if contains invalid chars
 *//* w  w  w .  j  ava  2  s .com*/
private static boolean checkAttributeCharacters(String chars) throws CharConversionException {
    boolean escape = false;

    for (int i = 0; i < chars.length(); i++) {
        char ch = chars.charAt(i);

        if (ch <= 93) { // we are UNICODE ']'

            switch (ch) {
            case 0x9:
            case 0xA:
            case 0xD:

                continue;

            case '\'':
            case '"':
            case '<':
            case '&':
                escape = true;

                continue;

            default:

                if (ch < 0x20) {
                    throw new CharConversionException("Invalid XML character &#" + ((int) ch) + ";.");
                }
            }
        }
    }

    return escape == false;
}

From source file:Main.java

/**
 * Check if all passed characters match XML expression [2].
 *
 * @return true if no escaping necessary
 * @throws CharConversionException if contains invalid chars
 *///from   w  ww  .ja  va  2s .c  o m
private static boolean checkContentCharacters(String chars) throws CharConversionException {
    boolean escape = false;

    for (int i = 0; i < chars.length(); i++) {
        char ch = chars.charAt(i);

        if (ch <= 93) { // we are UNICODE ']'

            switch (ch) {
            case 0x9:
            case 0xA:
            case 0xD:

                continue;

            case '>': // only ]]> is dangerous

                if (escape) {
                    continue;
                }

                escape = (i > 0) && (chars.charAt(i - 1) == ']');

                continue;

            case '<':
            case '&':
                escape = true;

                continue;

            default:

                if (ch < 0x20) {
                    throw new CharConversionException("Invalid XML character &#" + ((int) ch) + ";.");
                }
            }
        }
    }

    return escape == false;
}

From source file:org.apache.jk.common.HandlerRequest.java

/**
 * Parse host.// ww w . ja v  a 2  s. c  om
 */
private void parseHost(MessageBytes valueMB, Request request) throws IOException {

    if (valueMB == null || valueMB.isNull()) {
        // HTTP/1.0
        // Default is what the socket tells us. Overriden if a host is 
        // found/parsed
        request.setServerPort(request.getLocalPort());
        request.serverName().duplicate(request.localName());
        return;
    }

    ByteChunk valueBC = valueMB.getByteChunk();
    byte[] valueB = valueBC.getBytes();
    int valueL = valueBC.getLength();
    int valueS = valueBC.getStart();
    int colonPos = -1;
    CharChunk hostNameC = (CharChunk) request.getNote(HOSTBUFFER);
    if (hostNameC == null) {
        hostNameC = new CharChunk(valueL);
        request.setNote(HOSTBUFFER, hostNameC);
    }
    hostNameC.recycle();

    boolean ipv6 = (valueB[valueS] == '[');
    boolean bracketClosed = false;
    for (int i = 0; i < valueL; i++) {
        char b = (char) valueB[i + valueS];
        hostNameC.append(b);
        if (b == ']') {
            bracketClosed = true;
        } else if (b == ':') {
            if (!ipv6 || bracketClosed) {
                colonPos = i;
                break;
            }
        }
    }

    if (colonPos < 0) {
        if (request.scheme().equalsIgnoreCase("https")) {
            // 80 - Default HTTTP port
            request.setServerPort(443);
        } else {
            // 443 - Default HTTPS port
            request.setServerPort(80);
        }
        request.serverName().setChars(hostNameC.getChars(), hostNameC.getStart(), hostNameC.getLength());
    } else {

        request.serverName().setChars(hostNameC.getChars(), hostNameC.getStart(), colonPos);

        int port = 0;
        int mult = 1;
        for (int i = valueL - 1; i > colonPos; i--) {
            int charValue = HexUtils.DEC[(int) valueB[i + valueS]];
            if (charValue == -1) {
                // Invalid character
                throw new CharConversionException("Invalid char in port: " + valueB[i + valueS]);
            }
            port = port + (charValue * mult);
            mult = 10 * mult;
        }
        request.setServerPort(port);

    }

}