Class JsonUtils

java.lang.Object

org.infinispan.protostream.impl.JsonUtils

public final class JsonUtils
extends Object

Utility class for conversion to and from canonical JSON.

Since:

4.4

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	JsonUtils.JsonNestingLevel

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	JSON_TYPE_FIELD
private static final String	JSON_VALUE_FIELD
private static final com.fasterxml.jackson.core.JsonFactory	jsonFactory
private static final String	RFC_3339_DATE_FORMAT
private static final ThreadLocal<DateFormat>	timestampFormat

Constructor Summary

Constructors

Modifier	Constructor	Description
private	JsonUtils()

Method Summary

Modifier and Type	Method	Description
private static void	escapeJson(String value, StringBuilder out, boolean htmlSafe)	Escapes a string literal in order to have a valid JSON representation.
private static void	expectField(String expectedFieldName, String actualFieldName)
private static String	formatDate(Date date)
static byte[]	fromCanonicalJSON(ImmutableSerializationContext ctx, Reader reader)
private static int	getPrimitiveFieldId(Type primitiveType)
private static void	processArray(ImmutableSerializationContext ctx, String type, String field, com.fasterxml.jackson.core.JsonParser parser, TagWriter writer)
private static void	processDocument(ImmutableSerializationContext ctx, com.fasterxml.jackson.core.JsonParser parser, TagWriter writer)
private static void	processEnum(com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, EnumDescriptor enumDescriptor)
private static void	processMap(ImmutableSerializationContext ctx, MapDescriptor md, com.fasterxml.jackson.core.JsonParser parser, TagWriter writer)
private static void	processMapValue(ImmutableSerializationContext ctx, com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, MapDescriptor md)
private static void	processObject(ImmutableSerializationContext ctx, com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, Descriptor messageDescriptor, Integer fieldNumber, boolean topLevel)
private static void	processPrimitive(com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, Type fieldType)
static String	toCanonicalJSON(ImmutableSerializationContext ctx, byte[] bytes, boolean prettyPrint)	Converts a Protobuf encoded message to its canonical JSON representation.
private static void	toCanonicalJSON(ImmutableSerializationContext ctx, byte[] bytes, StringBuilder jsonOut, int initNestingLevel)
private static void	writeEnumField(com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, FieldDescriptor fd, int fieldNumber)
private static void	writeField(com.fasterxml.jackson.core.JsonParser parser, TagWriter writer, Type fieldType, int fieldNumber)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

RFC_3339_DATE_FORMAT

private static final String RFC_3339_DATE_FORMAT

See Also:

• Constant Field Values

jsonFactory

private static final com.fasterxml.jackson.core.JsonFactory jsonFactory

JSON_TYPE_FIELD

private static final String JSON_TYPE_FIELD

See Also:

• Constant Field Values

JSON_VALUE_FIELD

private static final String JSON_VALUE_FIELD

See Also:

• Constant Field Values

timestampFormat

private static final ThreadLocal<DateFormat> timestampFormat

Constructor Details

JsonUtils

private JsonUtils()

Method Details

fromCanonicalJSON

public static byte[] fromCanonicalJSON(ImmutableSerializationContext ctx,
 Reader reader)
                                throws IOException

Throws:

IOException

processDocument

private static void processDocument(ImmutableSerializationContext ctx,
 com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer)
                             throws IOException

Throws:

IOException

processEnum

private static void processEnum(com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 EnumDescriptor enumDescriptor)
                         throws IOException

Throws:

IOException

processObject

private static void processObject(ImmutableSerializationContext ctx,
 com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 Descriptor messageDescriptor,
 Integer fieldNumber,
 boolean topLevel)
                           throws IOException

Throws:

IOException

processMap

private static void processMap(ImmutableSerializationContext ctx,
 MapDescriptor md,
 com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer)
                        throws IOException

Throws:

IOException

processMapValue

private static void processMapValue(ImmutableSerializationContext ctx,
 com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 MapDescriptor md)
                             throws IOException

Throws:

IOException

processPrimitive

private static void processPrimitive(com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 Type fieldType)
                              throws IOException

Throws:

IOException

getPrimitiveFieldId

private static int getPrimitiveFieldId(Type primitiveType)

processArray

private static void processArray(ImmutableSerializationContext ctx,
 String type,
 String field,
 com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer)
                          throws IOException

Throws:

IOException

toCanonicalJSON

public static String toCanonicalJSON(ImmutableSerializationContext ctx,
 byte[] bytes,
 boolean prettyPrint)
                              throws IOException

Converts a Protobuf encoded message to its canonical JSON representation.

Parameters:

ctx - the serialization context

bytes - the Protobuf encoded message bytes to parse

prettyPrint - indicates if the JSON output should use a 'pretty' human-readable format or a compact format

Returns:

the JSON string representation

Throws:

IOException - if I/O operations fail

toCanonicalJSON

private static void toCanonicalJSON(ImmutableSerializationContext ctx,
 byte[] bytes,
 StringBuilder jsonOut,
 int initNestingLevel)
                             throws IOException

Throws:

IOException

writeEnumField

private static void writeEnumField(com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 FieldDescriptor fd,
 int fieldNumber)
                            throws IOException

Throws:

IOException

writeField

private static void writeField(com.fasterxml.jackson.core.JsonParser parser,
 TagWriter writer,
 Type fieldType,
 int fieldNumber)
                        throws IOException

Throws:

IOException

expectField

private static void expectField(String expectedFieldName,
 String actualFieldName)

escapeJson

private static void escapeJson(String value,
 StringBuilder out,
 boolean htmlSafe)

Escapes a string literal in order to have a valid JSON representation. Optionally it can also escape some html chars.

formatDate

private static String formatDate(Date date)