Example usage for com.fasterxml.jackson.core JsonParser getDecimalValue

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getDecimalValue.

Prototype

public abstract BigDecimal getDecimalValue() throws IOException, JsonParseException;

Source Link

Document

Numeric accessor that can be called when the current token is of type JsonToken#VALUE_NUMBER_FLOAT or JsonToken#VALUE_NUMBER_INT .

Usage

From source file:org.hyperledger.dropwizard.hocon.HoconDeserializer.java

protected ConfigValue deserializeScalar(JsonParser jp, DeserializationContext ctxt) throws IOException {
    switch (jp.getCurrentToken()) {
    case VALUE_EMBEDDED_OBJECT:
        throw ctxt.mappingException(JsonValue.class);
    case VALUE_FALSE:
        return ConfigValueFactory.fromAnyRef(false);
    case VALUE_TRUE:
        return ConfigValueFactory.fromAnyRef(true);
    case VALUE_NULL:
        return ConfigValueFactory.fromAnyRef(null);
    case VALUE_NUMBER_FLOAT:
    // very cumbersome... but has to be done
    {//from   ww  w  .  ja va  2  s  .  co  m
        if (jp.getNumberType() == JsonParser.NumberType.BIG_DECIMAL) {
            return ConfigValueFactory.fromAnyRef(jp.getDecimalValue());
        }
        return ConfigValueFactory.fromAnyRef(jp.getDoubleValue());
    }
    case VALUE_NUMBER_INT: {
        switch (jp.getNumberType()) {
        case LONG:
            return ConfigValueFactory.fromAnyRef(jp.getLongValue());
        case INT:
            return ConfigValueFactory.fromAnyRef(jp.getIntValue());
        default:
            return ConfigValueFactory.fromAnyRef(jp.getBigIntegerValue());
        }
    }
    case VALUE_STRING:
        return ConfigValueFactory.fromAnyRef(jp.getText());
    default: // errors, should never get here
        //        case END_ARRAY:
        //        case END_OBJECT:
        //        case FIELD_NAME:
        //        case NOT_AVAILABLE:
        //        case START_ARRAY:
        //        case START_OBJECT:
        throw ctxt.mappingException(_valueClass);
    }
}

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From source file:org.hyperledger.dropwizard.hocon.HoconDeserializer.java

protected ConfigList deserializeArray(JsonParser jp, DeserializationContext ctxt) throws IOException {

    List<Object> values = new ArrayList<>();

    JsonToken t;/*ww  w.j  av  a2 s .  co  m*/
    while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
        switch (t) {
        case START_ARRAY:
            values.add(deserializeArray(jp, ctxt).unwrapped());
            break;
        case START_OBJECT:
            values.add(deserializeObject(jp, ctxt).unwrapped());
            break;
        case VALUE_FALSE:
            values.add(false);
            break;
        case VALUE_TRUE:
            values.add(true);
            break;
        case VALUE_NULL:
            values.add(null);
            break;
        case VALUE_NUMBER_FLOAT:
            if (jp.getNumberType() == JsonParser.NumberType.BIG_DECIMAL) {
                values.add(jp.getDecimalValue());
            } else {
                values.add(jp.getDoubleValue());
            }
            break;
        case VALUE_NUMBER_INT:
            // very cumbersome... but has to be done
            switch (jp.getNumberType()) {
            case LONG:
                values.add(jp.getLongValue());
                break;
            case INT:
                values.add(jp.getIntValue());
                break;
            default:
                values.add(jp.getBigIntegerValue());
            }
            break;
        case VALUE_STRING:
            values.add(jp.getText());
            break;
        default:
            throw ctxt.mappingException(_valueClass);
        }
    }
    return ConfigValueFactory.fromIterable(values);
}

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From source file:org.hyperledger.dropwizard.hocon.HoconDeserializer.java

protected ConfigObject deserializeObject(JsonParser jp, DeserializationContext ctxt) throws IOException {
    HashMap<String, Object> mapping = new HashMap<>();

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String name = jp.getCurrentName();
        JsonToken t = jp.nextToken();/*from www.  ja v  a 2s . com*/
        switch (t) {
        case START_ARRAY:
            mapping.put(name, deserializeArray(jp, ctxt).unwrapped());
            break;
        case START_OBJECT:
            mapping.put(name, deserializeObject(jp, ctxt).unwrapped());
            break;
        case VALUE_FALSE:
            mapping.put(name, false);
            break;
        case VALUE_TRUE:
            mapping.put(name, true);
            break;
        case VALUE_NULL:
            mapping.put(name, null);
            break;
        case VALUE_NUMBER_FLOAT:
            if (jp.getNumberType() == JsonParser.NumberType.BIG_DECIMAL) {
                mapping.put(name, jp.getDecimalValue());
            } else {
                mapping.put(name, jp.getDoubleValue());
            }
            break;
        case VALUE_NUMBER_INT:
            // very cumbersome... but has to be done
            switch (jp.getNumberType()) {
            case LONG:
                mapping.put(name, jp.getLongValue());
                break;
            case INT:
                mapping.put(name, jp.getIntValue());
                break;
            default:
                mapping.put(name, jp.getBigIntegerValue());
            }
            break;
        case VALUE_STRING:
            mapping.put(name, jp.getText());
            break;
        case VALUE_EMBEDDED_OBJECT: {
            Object ob = jp.getEmbeddedObject();
            if (ob instanceof byte[]) {
                String b64 = ctxt.getBase64Variant().encode((byte[]) ob, false);
                mapping.put(name, b64);
                break;
            }
        }
        default:
            throw ctxt.mappingException(_valueClass);
        }
    }
    return ConfigValueFactory.fromMap(mapping);
}

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From source file:org.debezium.core.doc.JacksonReader.java

private Array parseArray(JsonParser parser) throws IOException {
    // Iterate over the fields in the top-level document ...
    BasicArray array = new BasicArray();
    JsonToken token = parser.nextToken();
    while (token != JsonToken.END_ARRAY) {
        switch (token) {
        case START_OBJECT:
            array.add(parseDocument(parser, true));
            break;
        case START_ARRAY:
            array.add(parseArray(parser));
            break;
        case VALUE_STRING:
            array.add(parser.getValueAsString());
            break;
        case VALUE_TRUE:
            array.add(true);//w w  w .  j  a  va2  s .  c o  m
            break;
        case VALUE_FALSE:
            array.add(false);
            break;
        case VALUE_NULL:
            array.addNull();
            break;
        case VALUE_NUMBER_FLOAT:
        case VALUE_NUMBER_INT:
            switch (parser.getNumberType()) {
            case FLOAT:
                array.add(parser.getFloatValue());
                break;
            case DOUBLE:
                array.add(parser.getDoubleValue());
                break;
            case BIG_DECIMAL:
                array.add(parser.getDecimalValue());
                break;
            case INT:
                array.add(parser.getIntValue());
                break;
            case LONG:
                array.add(parser.getLongValue());
                break;
            case BIG_INTEGER:
                array.add(parser.getBigIntegerValue());
                break;
            }
            break;
        case VALUE_EMBEDDED_OBJECT:
            // disregard this, since it's an extension ...
            break;
        case NOT_AVAILABLE:
            throw new JsonParseException("Non-blocking parsers are not supported", parser.getCurrentLocation());
        case FIELD_NAME:
            throw new JsonParseException("Not expecting a FIELD_NAME token", parser.getCurrentLocation());
        case END_ARRAY:
            throw new JsonParseException("Not expecting an END_ARRAY token", parser.getCurrentLocation());
        case END_OBJECT:
            throw new JsonParseException("Not expecting an END_OBJECT token", parser.getCurrentLocation());
        }
        token = parser.nextToken();
    }
    return array;
}

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From source file:org.mongojack.internal.object.BsonObjectGenerator.java

@Override
public void copyCurrentEvent(JsonParser jp) throws IOException {
    JsonToken t = jp.getCurrentToken();/* w w  w  . j av  a2  s .  co m*/
    switch (t) {
    case START_OBJECT:
        writeStartObject();
        break;
    case END_OBJECT:
        writeEndObject();
        break;
    case START_ARRAY:
        writeStartArray();
        break;
    case END_ARRAY:
        writeEndArray();
        break;
    case FIELD_NAME:
        writeFieldName(jp.getCurrentName());
        break;
    case VALUE_STRING:
        if (jp.hasTextCharacters()) {
            writeString(jp.getTextCharacters(), jp.getTextOffset(), jp.getTextLength());
        } else {
            writeString(jp.getText());
        }
        break;
    case VALUE_NUMBER_INT:
        switch (jp.getNumberType()) {
        case INT:
            writeNumber(jp.getIntValue());
            break;
        case BIG_INTEGER:
            writeNumber(jp.getBigIntegerValue());
            break;
        default:
            writeNumber(jp.getLongValue());
        }
        break;
    case VALUE_NUMBER_FLOAT:
        switch (jp.getNumberType()) {
        case BIG_DECIMAL:
            writeNumber(jp.getDecimalValue());
            break;
        case FLOAT:
            writeNumber(jp.getFloatValue());
            break;
        default:
            writeNumber(jp.getDoubleValue());
        }
        break;
    case VALUE_TRUE:
        writeBoolean(true);
        break;
    case VALUE_FALSE:
        writeBoolean(false);
        break;
    case VALUE_NULL:
        writeNull();
        break;
    case VALUE_EMBEDDED_OBJECT:
        writeObject(jp.getEmbeddedObject());
        break;
    }
}

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From source file:io.debezium.document.JacksonReader.java

private Array parseArray(JsonParser parser, boolean nested) throws IOException {
    // Iterate over the values in the array ...
    BasicArray array = new BasicArray();
    JsonToken token = null;//from   w  w  w. j a v  a 2  s  . com
    if (!nested) {
        // We expect the START_ARRAY token ...
        token = parser.nextToken();
        if (!nested && token != JsonToken.START_ARRAY) {
            throw new IOException("Expected data to start with an Array, but was " + token);
        }
    }
    token = parser.nextToken();
    while (token != JsonToken.END_ARRAY) {
        switch (token) {
        case START_OBJECT:
            array.add(parseDocument(parser, true));
            break;
        case START_ARRAY:
            array.add(parseArray(parser, true));
            break;
        case VALUE_STRING:
            array.add(parser.getValueAsString());
            break;
        case VALUE_TRUE:
            array.add(true);
            break;
        case VALUE_FALSE:
            array.add(false);
            break;
        case VALUE_NULL:
            array.addNull();
            break;
        case VALUE_NUMBER_FLOAT:
        case VALUE_NUMBER_INT:
            switch (parser.getNumberType()) {
            case FLOAT:
                array.add(parser.getFloatValue());
                break;
            case DOUBLE:
                array.add(parser.getDoubleValue());
                break;
            case BIG_DECIMAL:
                array.add(parser.getDecimalValue());
                break;
            case INT:
                array.add(parser.getIntValue());
                break;
            case LONG:
                array.add(parser.getLongValue());
                break;
            case BIG_INTEGER:
                array.add(parser.getBigIntegerValue());
                break;
            }
            break;
        case VALUE_EMBEDDED_OBJECT:
            // disregard this, since it's an extension ...
            break;
        case NOT_AVAILABLE:
            throw new JsonParseException("Non-blocking parsers are not supported", parser.getCurrentLocation());
        case FIELD_NAME:
            throw new JsonParseException("Not expecting a FIELD_NAME token", parser.getCurrentLocation());
        case END_ARRAY:
            throw new JsonParseException("Not expecting an END_ARRAY token", parser.getCurrentLocation());
        case END_OBJECT:
            throw new JsonParseException("Not expecting an END_OBJECT token", parser.getCurrentLocation());
        }
        token = parser.nextToken();
    }
    return array;
}

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From source file:org.debezium.core.doc.JacksonReader.java

private Document parseDocument(JsonParser parser, boolean nested) throws IOException {
    // Iterate over the fields in the top-level document ...
    BasicDocument doc = new BasicDocument();
    JsonToken token = null;/*  w w w  .ja v a 2s . com*/
    if (!nested) {
        // We expect the START_OBJECT token ...
        token = parser.nextToken();
        if (!nested && token != JsonToken.START_OBJECT) {
            throw new IOException("Expected data to start with an Object, but was " + token);
        }
    }
    String fieldName = null;
    token = parser.nextToken();
    while (token != JsonToken.END_OBJECT) {
        switch (token) {
        case FIELD_NAME:
            fieldName = parser.getCurrentName();
            break;
        case START_OBJECT:
            doc.setDocument(fieldName, parseDocument(parser, true));
            break;
        case START_ARRAY:
            doc.setArray(fieldName, parseArray(parser));
            break;
        case VALUE_STRING:
            doc.setString(fieldName, parser.getValueAsString());
            break;
        case VALUE_TRUE:
            doc.setBoolean(fieldName, true);
            break;
        case VALUE_FALSE:
            doc.setBoolean(fieldName, false);
            break;
        case VALUE_NULL:
            doc.setNull(fieldName);
            break;
        case VALUE_NUMBER_FLOAT:
        case VALUE_NUMBER_INT:
            switch (parser.getNumberType()) {
            case FLOAT:
                doc.setNumber(fieldName, parser.getFloatValue());
                break;
            case DOUBLE:
                doc.setNumber(fieldName, parser.getDoubleValue());
                break;
            case BIG_DECIMAL:
                doc.setNumber(fieldName, parser.getDecimalValue());
                break;
            case INT:
                doc.setNumber(fieldName, parser.getIntValue());
                break;
            case LONG:
                doc.setNumber(fieldName, parser.getLongValue());
                break;
            case BIG_INTEGER:
                doc.setNumber(fieldName, parser.getBigIntegerValue());
                break;
            }
            break;
        case VALUE_EMBEDDED_OBJECT:
            // disregard this, since it's an extension ...
            break;
        case NOT_AVAILABLE:
            throw new JsonParseException("Non-blocking parsers are not supported", parser.getCurrentLocation());
        case END_ARRAY:
            throw new JsonParseException("Not expecting an END_ARRAY token", parser.getCurrentLocation());
        case END_OBJECT:
            throw new JsonParseException("Not expecting an END_OBJECT token", parser.getCurrentLocation());
        }
        token = parser.nextToken();
    }
    return doc;
}

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From source file:io.debezium.document.JacksonReader.java

private Document parseDocument(JsonParser parser, boolean nested) throws IOException {
    // Iterate over the fields in the top-level document ...
    BasicDocument doc = new BasicDocument();
    JsonToken token = null;//  w  ww .  ja v  a  2  s .  co  m
    if (!nested) {
        // We expect the START_OBJECT token ...
        token = parser.nextToken();
        if (!nested && token != JsonToken.START_OBJECT) {
            throw new IOException("Expected data to start with an Object, but was " + token);
        }
    }
    String fieldName = null;
    token = parser.nextToken();
    while (token != JsonToken.END_OBJECT) {
        switch (token) {
        case FIELD_NAME:
            fieldName = parser.getCurrentName();
            break;
        case START_OBJECT:
            doc.setDocument(fieldName, parseDocument(parser, true));
            break;
        case START_ARRAY:
            doc.setArray(fieldName, parseArray(parser, true));
            break;
        case VALUE_STRING:
            doc.setString(fieldName, parser.getValueAsString());
            break;
        case VALUE_TRUE:
            doc.setBoolean(fieldName, true);
            break;
        case VALUE_FALSE:
            doc.setBoolean(fieldName, false);
            break;
        case VALUE_NULL:
            doc.setNull(fieldName);
            break;
        case VALUE_NUMBER_FLOAT:
        case VALUE_NUMBER_INT:
            switch (parser.getNumberType()) {
            case FLOAT:
                doc.setNumber(fieldName, parser.getFloatValue());
                break;
            case DOUBLE:
                doc.setNumber(fieldName, parser.getDoubleValue());
                break;
            case BIG_DECIMAL:
                doc.setNumber(fieldName, parser.getDecimalValue());
                break;
            case INT:
                doc.setNumber(fieldName, parser.getIntValue());
                break;
            case LONG:
                doc.setNumber(fieldName, parser.getLongValue());
                break;
            case BIG_INTEGER:
                doc.setNumber(fieldName, parser.getBigIntegerValue());
                break;
            }
            break;
        case VALUE_EMBEDDED_OBJECT:
            // disregard this, since it's an extension ...
            break;
        case NOT_AVAILABLE:
            throw new JsonParseException("Non-blocking parsers are not supported", parser.getCurrentLocation());
        case END_ARRAY:
            throw new JsonParseException("Not expecting an END_ARRAY token", parser.getCurrentLocation());
        case END_OBJECT:
            throw new JsonParseException("Not expecting an END_OBJECT token", parser.getCurrentLocation());
        }
        token = parser.nextToken();
    }
    return doc;
}

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