Example usage for org.apache.http.message ParserCursor getPos

Introduction

In this page you can find the example usage for org.apache.http.message ParserCursor getPos.

Prototype

public int getPos() 

Source Link

Usage

From source file:com.subgraph.vega.ui.httpeditor.parser.ParserBase.java

/**
 * Get the next word from a buffer containing a line.
 * /*w  ww. j  a  v  a2  s  . com*/
 * @param lnBuf Buffer containing line.
 * @param lnCursor Parser cursor for lnBuf. Adjusted to one character after the word.
 * @return Next word, or null if none is found.
 */
protected String nextWord(final CharArrayBuffer lnBuf, final ParserCursor lnCursor) {
    skipSpHt(lnBuf, lnCursor);
    int idxPos = lnCursor.getPos();
    int idxLineEnd = lnBuf.indexOf(' ', idxPos, lnCursor.getUpperBound());
    if (idxLineEnd < 0) {
        if (idxPos == lnCursor.getUpperBound()) {
            return null;
        }
        idxLineEnd = lnCursor.getUpperBound();
    }
    lnCursor.updatePos(idxLineEnd);
    return lnBuf.substringTrimmed(idxPos, idxLineEnd);
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.ParserBase.java

/**
 * Skip SP and HT characters in a line.   
 * /*from ww w .  ja v  a 2 s . co  m*/
 * @param lnBuf Buffer containing line.
 * @param lnCursor Parser cursor for lnBuf. Adjusted to one character after and SP and HT.
 */
protected void skipSpHt(final CharArrayBuffer lnBuf, final ParserCursor lnCursor) {
    int idxTo = lnCursor.getUpperBound();
    int idxPos = lnCursor.getPos();
    while (idxPos < idxTo && (lnBuf.charAt(idxPos) == HTTP.SP || lnBuf.charAt(idxPos) == HTTP.HT)) {
        idxPos++;
    }
    lnCursor.updatePos(idxPos);
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.ParserBase.java

/**
 * Get the next line of characters from a CharArrayBuffer into another CharArrayBuffer. Treats LF and CRLF as valid
 * line delimiters. Treats the entire buffer as a line if no line delimiters are found.
 * //w ww .  ja  v  a 2s.  co m
 * @param src Source buffer to read line from.
 * @param srcCursor Parser cursor for src. Adjusted to discard line delimiters.
 * @param dst Destination buffer for characters from line. 
 * @return Number of characters in line minus line delimiters, or < 0 if none found.
 */
protected int readLine(final CharArrayBuffer src, final ParserCursor srcCursor, final CharArrayBuffer dst) {
    if (srcCursor.atEnd()) {
        return -1;
    }

    int idxPos = srcCursor.getPos();
    int idxLf = src.indexOf(HTTP.LF, idxPos, srcCursor.getUpperBound());
    int idxEnd;

    if (idxLf > 0) {
        if (src.charAt(idxLf - 1) == HTTP.CR) {
            idxEnd = idxLf - 1;
        } else {
            idxEnd = idxLf;
        }
    } else {
        idxEnd = srcCursor.getUpperBound();
        idxLf = idxEnd - 1;
    }

    dst.append(src, idxPos, idxEnd - idxPos);
    srcCursor.updatePos(idxLf + 1);
    return idxEnd - idxPos;
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.ParserBase.java

/**
 * Parse HTTP headers and add them to a IHttpMessageBuilder until a non-header line is encountered.
 * //from  w w w  .  j  a v a  2s .c  o m
 * @param parser HC line parser.
 * @param builder IHttpMessageBuilder to add parsed headers to.
 * @param buf Buffer containing header data.
 * @param bufCursor Parser cursor for buf. Adjusted to one character past the end of headers and optional CRLF line.
 */
protected void parseHeaders(final LineParser parser, final IHttpMessageBuilder builder,
        final CharArrayBuffer buf, final ParserCursor bufCursor) {
    final CharArrayBuffer lnBuf = new CharArrayBuffer(0);
    while (true) {
        lnBuf.clear();
        int idxPos = bufCursor.getPos();
        if (readLineHeader(buf, bufCursor, lnBuf) > 0) {
            try {
                // REVISIT don't want an extra step
                Header header = parser.parseHeader(lnBuf);
                builder.addHeader(header.getName(), header.getValue());
            } catch (ParseException e) {
                // for now we'll move the cursor back so the line gets treated as the start of the body
                bufCursor.updatePos(idxPos);
                return;
            }
        } else {
            break;
        }
    }
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.ParserBase.java

/**
 * Get the next header line of characters from a CharArrayBuffer into another CharArrayBuffer. Treats LF and CRLF as
 * valid line delimiters. Treats the entire buffer as a line if no line delimiters are found. Supports folded header
 * field values as per the HTTP/1.1 specification.
 *    //from www.j  a v a  2s  .  c  o  m
 * @param src Source buffer to read line from.
 * @param srcCursor Parser cursor for src. Adjusted to discard line delimiters.
 * @param dst Destination buffer for characters from line. 
 * @return Number of characters in line minus line delimiters, or < 0 if none found.
 */
protected int readLineHeader(final CharArrayBuffer src, final ParserCursor srcCursor,
        final CharArrayBuffer dst) {
    if (srcCursor.atEnd()) {
        return -1;
    }

    int idxPos = srcCursor.getPos();
    int chCnt = 0;
    int idxLf, idxEnd;

    do {
        idxLf = src.indexOf(HTTP.LF, idxPos, srcCursor.getUpperBound());

        if (idxLf > 0) {
            if (src.charAt(idxLf - 1) == HTTP.CR) {
                idxEnd = idxLf - 1;
            } else {
                idxEnd = idxLf;
            }
        } else {
            idxEnd = srcCursor.getUpperBound();
            idxLf = idxEnd - 1;
        }

        if (chCnt != 0) {
            while (idxPos < idxEnd && (src.charAt(idxPos) == HTTP.HT || src.charAt(idxPos) == HTTP.SP)) {
                idxPos++;
            }
            if (idxPos != idxEnd) {
                dst.append(' ');
            }
        }

        dst.append(src, idxPos, idxEnd - idxPos);
        chCnt += idxEnd - idxPos;
        idxPos = idxLf + 1;
        srcCursor.updatePos(idxPos);
    } while (idxPos < srcCursor.getUpperBound()
            && (src.charAt(idxPos) == HTTP.HT || src.charAt(idxPos) == HTTP.SP));

    return chCnt;
}

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From source file:com.ok2c.lightmtp.util.InetAddressRangeParser.java

public InetAddressRange parse(final CharArrayBuffer buffer, final ParserCursor cursor, final char[] delimiters)
        throws ParseException, UnknownHostException {

    Args.notNull(buffer, "Char array buffer");
    Args.notNull(cursor, "Parser cursor");

    int pos = cursor.getPos();
    int indexFrom = cursor.getPos();
    int indexTo = cursor.getUpperBound();

    while (pos < indexTo) {
        char ch = buffer.charAt(pos);
        if (ch == '/') {
            break;
        }/*from   ww  w .  j  av  a2  s .com*/
        if (isOneOf(ch, delimiters)) {
            break;
        }
        pos++;
    }

    InetAddress address = InetAddress.getByName(buffer.substringTrimmed(indexFrom, pos));
    int mask = 0;

    if (pos < indexTo && buffer.charAt(pos) == '/') {
        pos++;
        indexFrom = pos;
        while (pos < indexTo) {
            char ch = buffer.charAt(pos);
            if (isOneOf(ch, delimiters)) {
                break;
            }
            pos++;
        }
        try {
            mask = Integer.parseInt(buffer.substringTrimmed(indexFrom, pos));
            if (mask < 0) {
                throw new ParseException("Negative range mask", indexFrom);
            }
        } catch (NumberFormatException ex) {
            throw new ParseException("Invalid range mask", indexFrom);
        }
    }
    cursor.updatePos(pos);
    return new InetAddressRange(address, mask);
}

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From source file:com.mcxiaoke.next.http.entity.BasicHeaderValueParser.java

public NameValuePair[] parseParameters(final CharArrayBuffer buffer, final ParserCursor cursor) {
    AssertUtils.notNull(buffer, "Char array buffer");
    AssertUtils.notNull(cursor, "Parser cursor");
    int pos = cursor.getPos();
    final int indexTo = cursor.getUpperBound();

    while (pos < indexTo) {
        final char ch = buffer.charAt(pos);
        if (HTTP.isWhitespace(ch)) {
            pos++;/*from w w  w .j a v  a2 s  . c  o  m*/
        } else {
            break;
        }
    }
    cursor.updatePos(pos);
    if (cursor.atEnd()) {
        return new NameValuePair[] {};
    }

    final List<NameValuePair> params = new ArrayList<NameValuePair>();
    while (!cursor.atEnd()) {
        final NameValuePair param = parseNameValuePair(buffer, cursor);
        params.add(param);
        final char ch = buffer.charAt(cursor.getPos() - 1);
        if (ch == ELEM_DELIMITER) {
            break;
        }
    }

    return params.toArray(new NameValuePair[params.size()]);
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.HttpResponseParser.java

/**
 * Parse a HTTP response in a string.//w  ww  . jav  a  2s.  c o  m
 * 
 * @param content HTTP response string.
 * @return HttpResponse, or null if the given HTTP response was empty. 
 * @throws UnsupportedEncodingException
 */
public void parseResponse(final String content) throws UnsupportedEncodingException {
    final CharArrayBuffer buf = new CharArrayBuffer(0);
    buf.append(content);
    final ParserCursor bufCursor = new ParserCursor(0, buf.length());
    final LineParser parser = new BasicLineParser();

    if (parseStatusLine(parser, builder, buf, bufCursor) < 0) {
        return;
    }
    builder.clearHeaders();
    parseHeaders(parser, builder, buf, bufCursor);
    if (!bufCursor.atEnd() && parseInlineEntities) {
        StringEntity entity = new StringEntity(buf.substring(bufCursor.getPos(), bufCursor.getUpperBound()));
        builder.setEntity(entity);
    }
}

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From source file:com.subgraph.vega.ui.httpeditor.parser.HttpRequestParser.java

/**
 * Parse a manually-entered HTTP request into the IHttpRequestBuilder.
 * /*from   w  ww  .ja v  a2  s.  c o m*/
 * @param content Manually-entered HTTP request.
 */
public void parseRequest(final String content) throws URISyntaxException, UnsupportedEncodingException {
    final CharArrayBuffer buf = new CharArrayBuffer(0);
    buf.append(content);
    final ParserCursor bufCursor = new ParserCursor(0, buf.length());
    final LineParser parser = new BasicLineParser();

    if (parseRequestLine(parser, builder, buf, bufCursor) < 0) {
        return;
    }
    builder.clearHeaders();
    parseHeaders(parser, builder, buf, bufCursor);
    if (!bufCursor.atEnd() && parseInlineEntities) {
        StringEntity entity = new StringEntity(buf.substring(bufCursor.getPos(), bufCursor.getUpperBound()));
        builder.setEntity(entity);
    }
}

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From source file:com.ok2c.lightmtp.util.InetAddressRangeParser.java

public List<InetAddressRange> parseAll(final CharArrayBuffer buffer, final ParserCursor cursor,
        final char[] delimiters) throws ParseException, UnknownHostException {

    Args.notNull(buffer, "Char array buffer");
    Args.notNull(cursor, "Parser cursor");

    char[] delims = delimiters != null ? delimiters : COMMA;

    List<InetAddressRange> ranges = new ArrayList<InetAddressRange>();
    while (!cursor.atEnd()) {
        ranges.add(parse(buffer, cursor, delims));
        int pos = cursor.getPos();
        if (pos < cursor.getUpperBound() && isOneOf(buffer.charAt(pos), delims)) {
            cursor.updatePos(pos + 1);//w  ww.  ja v a  2s  . c  o  m
        }
    }
    return ranges;
}

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