Examples of org.apache.http.ParseException

org.apache.http.ParseException
Indicates a parse error. Parse errors when receiving a message will typically trigger {@link ProtocolException}. Parse errors that do not occur during protocol execution may be handled differently. This is an unchecked exceptions, since there are cases where the data to be parsed has been generated and is therefore known to be parseable. @since 4.0

            throw new IllegalArgumentException
                ("Char array buffer may not be null");
        }
        int colon = buffer.indexOf(':');
        if (colon == -1) {
            throw new ParseException
                ("Invalid header: " + buffer.toString());
        }
        String s = buffer.substringTrimmed(0, colon);
        if (s.length() == 0) {
            throw new ParseException
                ("Invalid header: " + buffer.toString());
        }
        this.buffer = buffer;
        this.name = s;
        this.valuePos = colon + 1;

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                    from++;
                } else if (isTokenChar(this.currentHeader.charAt(from))) {
                    // found the start of a token
                    found = true;
                } else {
                    throw new ParseException
                        ("Invalid character before token (pos " + from +
                         "): " + this.currentHeader);
                }
            }
            if (!found) {

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            if (isTokenSeparator(ch)) {
                found = true;
            } else if (isWhitespace(ch)) {
                from++;
            } else if (isTokenChar(ch)) {
                throw new ParseException
                    ("Tokens without separator (pos " + from +
                     "): " + this.currentHeader);
            } else {
                throw new ParseException
                    ("Invalid character after token (pos " + from +
                     "): " + this.currentHeader);
            }
        }

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        int i = cursor.getPos();
        
        // long enough for "HTTP/1.1"?
        if (i + protolength + 4 > indexTo) {
            throw new ParseException
                ("Not a valid protocol version: " +
                 buffer.substring(indexFrom, indexTo));
        }


        // check the protocol name and slash
        boolean ok = true;
        for (int j=0; ok && (j<protolength); j++) {
            ok = (buffer.charAt(i+j) == protoname.charAt(j));
        }
        if (ok) {
            ok = (buffer.charAt(i+protolength) == '/');
        }
        if (!ok) {
            throw new ParseException
                ("Not a valid protocol version: " +
                 buffer.substring(indexFrom, indexTo));
        }


        i += protolength+1;


        int period = buffer.indexOf('.', i, indexTo);
        if (period == -1) {
            throw new ParseException
                ("Invalid protocol version number: " + 
                 buffer.substring(indexFrom, indexTo));
        }
        int major;
        try {
            major = Integer.parseInt(buffer.substringTrimmed(i, period)); 
        } catch (NumberFormatException e) {
            throw new ParseException
                ("Invalid protocol major version number: " + 
                 buffer.substring(indexFrom, indexTo));
        }
        i = period + 1;
        
        int blank = buffer.indexOf(' ', i, indexTo);
        if (blank == -1) {
            blank = indexTo;
        }
        int minor;
        try {
            minor = Integer.parseInt(buffer.substringTrimmed(i, blank)); 
        } catch (NumberFormatException e) {
            throw new ParseException(
                "Invalid protocol minor version number: " + 
                buffer.substring(indexFrom, indexTo));
        }
        
        cursor.updatePos(blank);

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            skipWhitespace(buffer, cursor);
            int i = cursor.getPos();
            
            int blank = buffer.indexOf(' ', i, indexTo);
            if (blank < 0) {
                throw new ParseException("Invalid request line: " + 
                        buffer.substring(indexFrom, indexTo));
            }
            String method = buffer.substringTrimmed(i, blank);
            cursor.updatePos(blank);


            skipWhitespace(buffer, cursor);
            i = cursor.getPos();


            blank = buffer.indexOf(' ', i, indexTo);
            if (blank < 0) {
                throw new ParseException("Invalid request line: " + 
                        buffer.substring(indexFrom, indexTo));
            }
            String uri = buffer.substringTrimmed(i, blank);
            cursor.updatePos(blank);


            ProtocolVersion ver = parseProtocolVersion(buffer, cursor);
            
            skipWhitespace(buffer, cursor);
            if (!cursor.atEnd()) {
                throw new ParseException("Invalid request line: " + 
                        buffer.substring(indexFrom, indexTo));
            }
            
            return createRequestLine(method, uri, ver);
        } catch (IndexOutOfBoundsException e) {
            throw new ParseException("Invalid request line: " + 
                                     buffer.substring(indexFrom, indexTo)); 
        }
    } // parseRequestLine

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            int statusCode = 0;
            try {
                statusCode =
                    Integer.parseInt(buffer.substringTrimmed(i, blank));
            } catch (NumberFormatException e) {
                throw new ParseException(
                    "Unable to parse status code from status line: " 
                    + buffer.substring(indexFrom, indexTo));
            }
            //handle the Reason-Phrase
            i = blank;
            String reasonPhrase = null;
            if (i < indexTo) {
                reasonPhrase = buffer.substringTrimmed(i, indexTo);
            } else {
                reasonPhrase = "";
            }
            return createStatusLine(ver, statusCode, reasonPhrase);


        } catch (IndexOutOfBoundsException e) {
            throw new ParseException("Invalid status line: " + 
                                     buffer.substring(indexFrom, indexTo)); 
        }
    } // parseStatusLine

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        final ParserCursor cursor = new ParserCursor(0, s.length());
        final HeaderElement[] elements = BasicHeaderValueParser.INSTANCE.parseElements(buf, cursor);
        if (elements.length > 0) {
            return create(elements[0]);
        } else {
            throw new ParseException("Invalid content type: " + s);
        }
    }

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        }
        HeaderElement[] elements = BasicHeaderValueParser.parseElements(s, null);
        if (elements.length > 0) {
            return create(elements[0]);
        } else {
            throw new ParseException("Invalid content type: " + s);
        }
    }

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        }
        HeaderElement[] elements = BasicHeaderValueParser.parseElements(s, null);
        if (elements.length > 0) {
            return create(elements[0]);
        } else {
            throw new ParseException("Invalid content type: " + s);
        }
    }

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        }
        HeaderElement[] elements = BasicHeaderValueParser.parseElements(s, null);
        if (elements.length > 0) {
            return create(elements[0]);
        } else {
            throw new ParseException("Invalid content type: " + s);
        }
    }

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