Examples of com.facebook.presto.jdbc.internal.jackson.databind.util.TokenBuffer.asParser()

Package com.facebook.presto.jdbc.internal.jackson.databind.util

Class com.facebook.presto.jdbc.internal.jackson.databind.util.TokenBuffer

Examples of com.facebook.presto.jdbc.internal.jackson.databind.util.TokenBuffer.asParser()

com.facebook.presto.jdbc.internal.jackson.databind.util.TokenBuffer.asParser()
Method used to create a {@link JsonParser} that can read contentsstored in this buffer. Will use default _objectCodec for object conversions.
Note: instances are not synchronized, that is, they are not thread-safe if there are concurrent appends to the underlying buffer. @return Parser that can be used for reading contents stored in this buffer

        if (fromValue == null) return null;
        TokenBuffer buf = new TokenBuffer(this);
        JsonNode result;
        try {
            writeValue(buf, fromValue);
            JsonParser jp = buf.asParser();
            result = readTree(jp);
            jp.close();
        } catch (IOException e) { // should not occur, no real i/o...
            throw new IllegalArgumentException(e.getMessage(), e);
        }

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            SerializationConfig config = getSerializationConfig().without(SerializationFeature.WRAP_ROOT_VALUE);
            // no need to check for closing of TokenBuffer
            _serializerProvider(config).serializeValue(buf, fromValue);


            // then matching read, inlined 'readValue' with minor mods:
            final JsonParser jp = buf.asParser();
            Object result;
            // ok to pass in existing feature flags; unwrapping handled by mapper
            final DeserializationConfig deserConfig = getDeserializationConfig();
            JsonToken t = _initForReading(jp);
            if (t == JsonToken.VALUE_NULL) {

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        p2.nextToken();
        merged.copyCurrentStructure(p2);
        merged.writeEndArray();


        // needs to point to START_OBJECT (or whatever first token is)
        p2 = merged.asParser(jp);
        p2.nextToken();
        return _properties[index].getProperty().deserialize(p2, ctxt);
    }
    
    protected final void _deserializeAndSet(JsonParser jp, DeserializationContext ctxt,

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        p2.nextToken();
        merged.copyCurrentStructure(p2);
        merged.writeEndArray();
        
        // needs to point to START_OBJECT (or whatever first token is)
        p2 = merged.asParser(jp);
        p2.nextToken();
        _properties[index].getProperty().deserializeAndSet(p2, ctxt, bean);
    }
    
    /*

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            // but what if there's nowhere to add it in? Error? Or skip? For now, skip.
            TokenBuffer tb = new TokenBuffer(null);
            tb.writeStartObject(); // recreate START_OBJECT
            tb.writeFieldName(_typePropertyName);
            tb.writeString(typeId);
            jp = JsonParserSequence.createFlattened(tb.asParser(jp), jp);
            jp.nextToken();
        }
        Object value = deser.deserialize(jp, ctxt);
        // And then need the closing END_ARRAY
        if (hadStartArray && jp.nextToken() != JsonToken.END_ARRAY) {

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        // note: we really should get merged buffer (and if not, that is likely error), but
        // for now let's allow missing case as well. Will be caught be a later stage...
        TokenBuffer buffer = (mergedBuffer == null) ? tmpBuffer : mergedBuffer;
        buffer.writeEndObject();
        // important: need to advance to point to first FIELD_NAME:
        JsonParser mergedParser = buffer.asParser();
        mergedParser.nextToken();
        return deserializeFromObject(mergedParser, ctxt);
    }


    protected Object deserializeFromObjectUsingNonDefault(JsonParser jp, DeserializationContext ctxt)

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            // but what if there's nowhere to add it in? Error? Or skip? For now, skip.
            TokenBuffer tb = new TokenBuffer(null);
            tb.writeStartObject(); // recreate START_OBJECT
            tb.writeFieldName(_typePropertyName);
            tb.writeString(typeId);
            jp = JsonParserSequence.createFlattened(tb.asParser(jp), jp);
            jp.nextToken();
        }
        
        Object value = deser.deserialize(jp, ctxt);
        // And then need the closing END_OBJECT

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            // but what if there's nowhere to add it in? Error? Or skip? For now, skip.
            TokenBuffer tb = new TokenBuffer(null, false);
            tb.writeStartObject(); // recreate START_OBJECT
            tb.writeFieldName(_typePropertyName);
            tb.writeString(typeId);
            jp = JsonParserSequence.createFlattened(tb.asParser(jp), jp);
            jp.nextToken();
        }
        
        Object value = deser.deserialize(jp, ctxt);
        // And then need the closing END_OBJECT

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                /* [Issue#118]: Need to mind natural types, for which no type id
                 *   will be included.
                 */
                JsonToken t = tokens.firstToken();
                if (t != null && t.isScalarValue()) {
                    JsonParser buffered = tokens.asParser(jp);
                    buffered.nextToken();
                    SettableBeanProperty extProp = _properties[i].getProperty();
                    Object result = TypeDeserializer.deserializeIfNatural(buffered, ctxt, extProp.getType());
                    if (result != null) {
                        extProp.set(bean, result);

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        p2.nextToken();
        merged.copyCurrentStructure(p2);
        merged.writeEndArray();


        // needs to point to START_OBJECT (or whatever first token is)
        p2 = merged.asParser(jp);
        p2.nextToken();
        return _properties[index].getProperty().deserialize(p2, ctxt);
    }


    @SuppressWarnings("resource")

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