Example usage for java.lang String codePointAt

Introduction

In this page you can find the example usage for java.lang String codePointAt.

Prototype

public int codePointAt(int index) 

Source Link

Document

Returns the character (Unicode code point) at the specified index.

Usage

From source file:com.triompha.common.web.html.HtmlUtil.java

/**
 * ?escape?named entities,??somlanti-xss
 *///from   w w  w.j av a2  s . co m
public static String namedHtmlEscape(String s) {
    if (s == null) {
        return null;
    }
    int len = s.length();
    StringBuilder escaped = new StringBuilder(len);
    for (int i = 0; i < len; ++i) {
        int c = s.codePointAt(i);
        // try entity reference first
        String iso = ANTIENTITIES.get(c);
        if (iso != null) {
            escaped.append("&").append(iso).append(";");
            continue;
        } else {
            escaped.append(s.charAt(i));
        }
    }
    return escaped.toString();
}

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From source file:org.opencms.search.solr.spellchecking.CmsSolrSpellchecker.java

/**
 * Parse parameters from this request using HTTP.
 *
 * @param req The ServletRequest containing all request parameters.
 * @param cms The OpenCms object./*from  w ww. ja  va  2  s  . c  o  m*/
 * @return CmsSpellcheckingRequest object that contains parsed parameters.
 */
private CmsSpellcheckingRequest parseHttpRequest(final ServletRequest req, final CmsObject cms) {

    if ((null != cms) && !cms.getRequestContext().getCurrentUser().isGuestUser()) {
        if (null != req.getParameter(HTTP_PARAMETER_CHECKREBUILD)) {
            if (CmsSpellcheckDictionaryIndexer.updatingIndexNecessesary(cms)) {
                parseAndAddDictionaries(cms);
            }
        }

        if (null != req.getParameter(HTTP_PARAMTER_REBUILD)) {
            parseAndAddDictionaries(cms);
        }
    }

    final String q = req.getParameter(HTTP_PARAMETER_WORDS);

    if (null == q) {
        LOG.debug("Invalid HTTP request: No parameter \"" + HTTP_PARAMETER_WORDS + "\" defined. ");
        return null;
    }

    final StringTokenizer st = new StringTokenizer(q);
    final List<String> wordsToCheck = new ArrayList<String>();
    while (st.hasMoreTokens()) {
        final String word = st.nextToken();
        wordsToCheck.add(word);

        if (Character.isUpperCase(word.codePointAt(0))) {
            wordsToCheck.add(word.toLowerCase());
        }
    }

    final String[] w = wordsToCheck.toArray(new String[wordsToCheck.size()]);
    final String dict = req.getParameter(HTTP_PARAMETER_LANG) == null ? LANG_DEFAULT
            : req.getParameter(HTTP_PARAMETER_LANG);

    return new CmsSpellcheckingRequest(w, dict);
}

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From source file:org.opencms.search.solr.spellchecking.CmsSolrSpellchecker.java

/**
 * Parse JSON parameters from this request.
 *
 * @param jsonRequest The request in the JSON format.
 * @return CmsSpellcheckingRequest object that contains parsed parameters or null, if JSON input is not well
 * defined./* www.  ja va 2s . c  om*/
 */
private CmsSpellcheckingRequest parseJsonRequest(JSONObject jsonRequest) {

    final String id = jsonRequest.optString(JSON_ID);

    final JSONObject params = jsonRequest.optJSONObject(JSON_PARAMS);

    if (null == params) {
        LOG.debug("Invalid JSON request: No field \"params\" defined. ");
        return null;
    }
    final JSONArray words = params.optJSONArray(JSON_WORDS);
    final String lang = params.optString(JSON_LANG, LANG_DEFAULT);
    if (null == words) {
        LOG.debug("Invalid JSON request: No field \"words\" defined. ");
        return null;
    }

    // Convert JSON array to array of type String
    final List<String> wordsToCheck = new LinkedList<String>();
    for (int i = 0; i < words.length(); i++) {
        final String word = words.opt(i).toString();
        wordsToCheck.add(word);

        if (Character.isUpperCase(word.codePointAt(0))) {
            wordsToCheck.add(word.toLowerCase());
        }
    }

    return new CmsSpellcheckingRequest(wordsToCheck.toArray(new String[wordsToCheck.size()]), lang, id);
}

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From source file:org.apache.pdfbox.pdfviewer.font.TTFGlyph2D.java

/**
 * Get the GID for the given CIDFont.//from  w  ww. j a v  a 2  s  . c om
 * 
 * @param code the given CID
 * @return the mapped GID
 */
private int getGID(int code) {
    if (hasIdentityCIDMapping) {
        // identity mapping
        return code;
    }
    if (hasCID2GIDMapping) {
        // use the provided CID2GID mapping
        return descendantFont.mapCIDToGID(code);
    }
    if (fontCMap != null) {
        String string = fontCMap.lookup(code, hasTwoByteMappings ? 2 : 1);
        if (string != null) {
            return string.codePointAt(0);
        }
    }
    return code;
}

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From source file:org.apache.pdfbox.pdfviewer.font.TTFGlyph2D.java

/**
 * {@inheritDoc}//from ww w .  j  a v a2  s. c o m
 */
@Override
public GeneralPath getPathForCharacterCode(int code) {

    int glyphId = getGlyphcode(code);

    if (glyphId > 0) {
        return getPathForGlyphId(glyphId);
    }
    glyphId = code;
    // there isn't any mapping, but probably an optional CMap
    if (fontCMap != null) {
        String string = fontCMap.lookup(code, hasTwoByteMappings ? 2 : 1);
        if (string != null) {
            glyphId = string.codePointAt(0);
        }
    }
    return getPathForGlyphId(glyphId);
}

---

From source file:org.apache.axiom.om.util.XMLStreamWriterRemoveIllegalChars.java

protected String xmlData(String value) {

    char[] buffer = null;
    int len = value.length();
    int srcI = 0;
    int tgtI = 0;
    int copyLength = 0;
    int i = 0;//from  ww w. ja  v a  2 s . co m

    // Traverse all of the characters in the input String (value)
    while (i < len) {

        // Get the codepoint of the character at the index
        // Note that the code point may be two characters long (a supplemental character)
        int cp = value.codePointAt(i);

        if (cp > FFFF) {
            // Supplemental Character...Increase index by 2
            // Increase the length of good characters to copy by 2
            i = i + 2;
            copyLength = copyLength + 2;
        } else {
            // See if the character is invalid
            if ((cp < 0x20 && (REMOVE[cp] > 0)) || // Control Character
                    (cp >= SURROGATE_START && cp <= SURROGATE_END) || // Bad surrogate
                    (cp == FFFF || cp == FFFE)) { // or illegal character
                // Flow to here indicates that the character is not allowed.  
                // The good characters (up to this point) are copied into the buffer.

                // Note that the buffer is initialized with the original characters.
                // Thus the buffer copy is always done on the same buffer (saving
                // both time and space).

                // Make the buffer on demand
                if (buffer == null) {
                    if (log.isDebugEnabled()) {
                        log.debug("One or more illegal characterss found.  Codepoint=" + cp);
                    }
                    buffer = value.toCharArray();
                }

                // Copy the good characters into the buffer
                System.arraycopy(buffer, srcI, buffer, tgtI, copyLength);
                tgtI = tgtI + copyLength; // Update the target location in the array
                srcI = i + 1; // Skip over the current character
                copyLength = 0; // reset new copy length
            } else {
                // Valid character, increase copy length
                copyLength = copyLength + 1;
            }
            // Single bit16 character, increase index by 1
            i = i + 1;
        }
    }

    if (buffer == null) {
        // Normal case, no illegal characters removed..No buffer
        return value;
    } else {
        // Move the final valid characters to the buffer
        // and return a string representing the value
        System.arraycopy(buffer, srcI, buffer, tgtI, copyLength);
        String newValue = new String(buffer, 0, tgtI + copyLength);
        return newValue;
    }

}

---

From source file:com.risevision.ui.server.utils.MakeRequestServlet.java

private static String getResponseAsJson(HttpURLConnection urlConnection) {
    String result = null;

    //      InputStream is = checkForUtf8BOMAndDiscardIfAny(urlConnection.getInputStream());
    //      String charset = getCharsetType(urlConnection);

    //        BufferedReader reader = new BufferedReader(new InputStreamReader(is, charset)); 
    //        String line = new String(bytes, charsetName); 
    ///*from  w  w  w.  j a  v a  2s . c  o  m*/
    //        while ((line = new String(reader.readLine(), "ISO-8859-1")) != null) { 
    //           result += line + "\n";
    //        } 
    //        reader.close(); 

    String charset = getCharsetType(urlConnection);

    //      byte[] bytes = IOUtils.toByteArray(urlConnection.getInputStream());
    byte[] bytes = null;

    try {
        bytes = inputStreamToByteArray(urlConnection.getInputStream());
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    if (RiseUtils.strIsNullOrEmpty(charset)) {
        charset = getEncodingType(bytes);

        if (RiseUtils.strIsNullOrEmpty(charset)) {
            charset = "UTF-8";
        }
    }

    Charset encoding = Charset.forName(charset);

    if (result == null) {
        result = encoding.decode(ByteBuffer.wrap(bytes)).toString();

        // Strip BOM if present.
        if (result.length() > 0 && result.codePointAt(0) == 0xFEFF) {
            result = result.substring(1);
        }
    }

    return result;
}

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From source file:com.ebuddy.cassandra.cql.dao.CqlStructuredDataSupport.java

private String getFinishString(String start) {
    int startCodePointCount = start.codePointCount(0, start.length());
    int finishCodePointCount = startCodePointCount + 1;
    int[] finishCodePoints = new int[finishCodePointCount];
    for (int i = 0; i < startCodePointCount; i++) {
        finishCodePoints[i] = start.codePointAt(i);
    }//from   ww w  .j  a  va 2  s .com
    finishCodePoints[finishCodePointCount - 1] = MAX_CODE_POINT;
    return new String(finishCodePoints, 0, finishCodePointCount);
}

---

From source file:org.apache.pdfbox.pdmodel.font.PDFont.java

/**
 * Encodes the given string for use in a PDF content stream.
 *
 * @param text Any Unicode text./* ww  w .  j  ava  2 s .  co m*/
 * @return Array of PDF content stream bytes.
 * @throws IOException If the text could not be encoded.
 */
public final byte[] encode(String text) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    for (int offset = 0; offset < text.length();) {
        int codePoint = text.codePointAt(offset);

        // multi-byte encoding with 1 to 4 bytes
        byte[] bytes = encode(codePoint);
        out.write(bytes);

        offset += Character.charCount(codePoint);
    }
    return out.toByteArray();
}

---

From source file:org.apache.pdfbox.pdfviewer.font.TTFGlyph2D.java

private int getGlyphcode(int code) {
    if (isCIDFont) {
        return getGID(code);
    }/*from ww  w  . j  av  a2s .  com*/

    int result = 0;
    if (fontEncoding != null && !isSymbol) {
        try {
            String charactername = fontEncoding.getName(code);
            if (charactername != null) {
                if (cmapWinUnicode != null) {
                    String unicode = Encoding.getCharacterForName(charactername);
                    if (unicode != null) {
                        result = unicode.codePointAt(0);
                    }
                    result = cmapWinUnicode.getGlyphId(result);
                } else if (cmapMacintoshSymbol != null) {
                    result = MacOSRomanEncoding.INSTANCE.getCode(charactername);
                    result = cmapMacintoshSymbol.getGlyphId(result);
                }
            }
        } catch (IOException exception) {
            LOG.error("Caught an exception getGlyhcode: " + exception);
        }
    }
    if (fontEncoding == null || isSymbol) {
        if (cmapWinSymbol != null) {
            result = cmapWinSymbol.getGlyphId(code);
            if (code >= 0 && code <= 0xFF) {
                // the CMap may use one of the following code ranges,
                // so that we have to add the high byte to get the
                // mapped value
                if (result == 0) {
                    // F000 - F0FF
                    result = cmapWinSymbol.getGlyphId(code + START_RANGE_F000);
                }
                if (result == 0) {
                    // F100 - F1FF
                    result = cmapWinSymbol.getGlyphId(code + START_RANGE_F100);
                }
                if (result == 0) {
                    // F200 - F2FF
                    result = cmapWinSymbol.getGlyphId(code + START_RANGE_F200);
                }
            }
        } else if (cmapMacintoshSymbol != null) {
            result = cmapMacintoshSymbol.getGlyphId(code);
        }
    }
    return result;
}

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