Examples of org.codehaus.stax2.typed.TypedValueDecoder

org.codehaus.stax2.typed.TypedXMLStreamException
Base class that defines generic typed value decoder API used by {@link TypedXMLStreamReader} to allow for efficient customizeddecoding of textual xml content into actual typed values. Set of concrete decoders is also included in the reference implementation of the Typed Access API.
Details of how value decoded is to be accessed is NOT defined as part of this interface: since decoders are explicitly passed by callers, they can (and need to) use more specific sub-classes with value access method or methods.
Note: to allow for optimal efficiency, there are multiple decode methods, one of which gets called during decoding process. This is necessary since the stream reader implementations may use different internal representations, either in general (an implementation might stored everyting as Strings; another as character arrays). @author Tatu Saloranta @since 3.0

    }


    private String buildDoc(Base64Variant b64variant, Random r, byte[] data, boolean addNoise)
    {
        // Let's use base64 codec from RI here:
        AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, data.length);


        StringBuffer sb = new StringBuffer(data.length * 2);
        sb.append("<root>");


        // Without noise it's quite easy, just need enough space:

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        StringBuffer sb = new StringBuffer(16 + dataTable.length * dataTable[0].length);
        sb.append("<root>");
        for (int i = 0; i < dataTable.length; ++i) {
            byte[] data = dataTable[i];
            char[] buffer = new char[4 + (data.length * 3 / 2)];
            AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, data.length);
            int len = enc.encodeMore(buffer, 0, buffer.length);
            sb.append("<a>");
            sb.append(buffer, 0, len);
            sb.append("</a>");
        }

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        try {
            return dec.decodeCompletely();
        } catch (IllegalArgumentException iae) {
            // Need to convert to a checked stream exception
            String lexical = new String(cbuf, start, len);
            throw new TypedXMLStreamException(lexical, iae.getMessage(), rep.getLocation(), iae);
        }
    }

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            }
        } catch (IllegalArgumentException iae) {
            // Need to convert to a checked stream exception
            Location loc = rep.getLocation();
            String lexical = new String(buf, start, (ptr-start));
            throw new TypedXMLStreamException(lexical, iae.getMessage(), loc, iae);
        }
        return count;
    }

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        return _constructTypeException("Expected a text token, got "+tokenTypeDesc(nextToken), null);
    }


    protected TypedXMLStreamException _constructTypeException(String msg, String lexicalValue)
    {
        return new TypedXMLStreamException(lexicalValue, msg, getStartLocation());
    }

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             * normalized already.
             */
            Location loc = rep.getLocation();
            // -1 to move it back after being advanced earlier (to skip trailing space)
            String lexical = new String(buf, start, (ptr-start-1));
            throw new TypedXMLStreamException(lexical, iae.getMessage(), loc, iae);
        } finally {
            mInputStart = ptr;
            mInputLen = end-ptr;
        }
        return count;

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     * @param lexicalValue Lexical value (element content, attribute value)
     *    that could not be converted succesfully.
     */
    protected TypedXMLStreamException _constructTypeException(IllegalArgumentException iae, String lexicalValue)
    {
        return new TypedXMLStreamException(lexicalValue, iae.getMessage(), getStartLocation(), iae);
    }

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            // Need to convert to a checked stream exception
            /* Hmmh. This is not an accurate location... but it's
             * about the best we can do
             */
            Location loc = getLocation();
            throw new TypedXMLStreamException(value, iae.getMessage(), loc, iae);
        } finally {
            int len = end-ptr;
            _coalescedText = (len < 1) ? "" : input.substring(ptr);
        }

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                }
            }
        } catch (IllegalArgumentException iae) {
            // Need to convert to a checked stream exception
            Location loc = getLocation();
            throw new TypedXMLStreamException(lexical, iae.getMessage(), loc, iae);
        }
        return count;
    }

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        if (msg == null) {
            msg = "";
        }
        Location loc = getStartLocation();
        if (loc == null) {
            return new TypedXMLStreamException(lexicalValue, msg, iae);
        }
        return new TypedXMLStreamException(lexicalValue, msg, loc);
    }

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