com.baidu.bjf.remoting.protobuf.code

类 CodedConstant

java.lang.Object

com.baidu.bjf.remoting.protobuf.code.CodedConstant

public class CodedConstant
extends Object

Utility class for codec.

从以下版本开始:

1.0.0

作者:

xiemalin

构造器概要

构造器

构造器和说明
CodedConstant()

方法概要

限定符和类型	方法和说明
static List	asList(String value) As list.
static String	capitalize(String str) Capitalizes a String changing the first letter to title case as per Character.toTitleCase(char).
static int	computeElementSize(com.google.protobuf.WireFormat.FieldType type, int number, Object value) Compute the number of bytes that would be needed to encode a single tag/value pair of arbitrary type.
static int	computeElementSizeNoTag(com.google.protobuf.WireFormat.FieldType type, Object value) Compute the number of bytes that would be needed to encode a particular value of arbitrary type, excluding tag.
static int	computeLengthDelimitedFieldSize(int fieldLength) Compute length delimited field size.
static int	computeListSize(int order, Collection<?> list, FieldType type, boolean debug, File path) Compute list size.
static int	computeListSize(int order, Collection list, FieldType type, boolean debug, File path, boolean packed) Compute list size.
static int	computeListSize(int order, Collection list, FieldType type, boolean debug, File path, boolean packed, boolean sizeOnly) Compute list size.
static <K,V> int	computeMapSize(int order, Map<K,V> map, com.google.protobuf.WireFormat.FieldType keyType, K defaultKey, com.google.protobuf.WireFormat.FieldType valueType, V defalutValue) Compute map size.
static int	computeObjectSizeNoTag(Object o) Compute object size no tag.
static int	computeSize(int order, Object o, FieldType type, boolean list, boolean debug, File path) get object size by FieldType.
static int	computeSize(int order, Object o, FieldType type, boolean debug, File path) get object size by FieldType.
static com.google.protobuf.Descriptors.Descriptor	getDescriptor(Class<?> cls) Gets the descriptor.
static String	getEnumName(Enum[] e, int value) Gets the enum name.
static <T extends Enum<T>> T	getEnumValue(Class<T> enumType, String name) Gets the enumeration value.
static int	getEnumValue(Enum en) Gets the enum value.
static String	getFieldName(int order) get field name.
static String	getFiledType(FieldType type, boolean isList) Gets the filed type.
static String	getMapFieldGenericParameterString(FieldInfo field) Gets the map field generic parameter string.
static String	getMappedTypeDefined(int order, FieldType type, String express, boolean isList, boolean isMap) get mapped type defined java expression.
static String	getMappedTypeSize(FieldInfo field, int order, FieldType type, boolean isList, boolean isMap, boolean debug, File path) Gets the mapped type size.
static String	getMappedWriteCode(FieldInfo field, String prefix, int order, FieldType type, boolean isList, boolean isMap) get mapped object byte write java expression.
static String	getRequiredCheck(int order, Field field) get required field check java expression.
static String	getRetRequiredCheck(String express, Field field) get return required field check java expression.
static String	getWriteValueToField(FieldType type, String express, boolean isList) Gets the write value to field.
static boolean	isNull(byte o) check byte is null.
static boolean	isNull(char o) check char is null.
static boolean	isNull(double o) check double is null.
static boolean	isNull(float o) check float is null.
static boolean	isNull(int o) check int is null.
static boolean	isNull(long o) check long is null.
static boolean	isNull(Object o) check object is null.
static boolean	isNull(short o) check short is null.
static int	makeTag(int fieldNumber, int wireType) make protobuf tag.
static <K,V> void	putMapValue(com.google.protobuf.CodedInputStream input, Map<K,V> map, com.google.protobuf.WireFormat.FieldType keyType, K defaultKey, com.google.protobuf.WireFormat.FieldType valueType, V defalutValue) Put map value.
static <K,V> void	putMapValue(com.google.protobuf.CodedInputStream input, Map<K,V> map, com.google.protobuf.WireFormat.FieldType keyType, K defaultKey, com.google.protobuf.WireFormat.FieldType valueType, V defalutValue, EnumHandler<K> keyHandler, EnumHandler<V> valHandler)
static <K,V> void	putMapValue(com.google.protobuf.CodedInputStream input, Map<K,V> map, com.google.protobuf.WireFormat.FieldType keyType, K defaultKey, com.google.protobuf.WireFormat.FieldType valueType, V defalutValue, EnumHandler<V> handler)
static Object	readPrimitiveField(com.google.protobuf.CodedInputStream input, com.google.protobuf.WireFormat.FieldType type, boolean checkUtf8) Read a field of any primitive type for immutable messages from a CodedInputStream.
static void	writeElement(com.google.protobuf.CodedOutputStream output, com.google.protobuf.WireFormat.FieldType type, int number, Object value) Write a single tag-value pair to the stream.
static void	writeElementNoTag(com.google.protobuf.CodedOutputStream output, com.google.protobuf.WireFormat.FieldType type, Object value) Write a field of arbitrary type, without its tag, to the stream.
static void	writeObject(com.google.protobuf.CodedOutputStream out, int order, FieldType type, Object o, boolean list) Write object.
static void	writeObject(com.google.protobuf.CodedOutputStream out, int order, FieldType type, Object o, boolean list, boolean withTag) Write object to byte array by FieldType.
static void	writeToList(com.google.protobuf.CodedOutputStream out, int order, FieldType type, Collection list) Write to list.
static void	writeToList(com.google.protobuf.CodedOutputStream out, int order, FieldType type, Collection list, boolean packed) write list to CodedOutputStream object.
static <K,V> void	writeToMap(com.google.protobuf.CodedOutputStream output, int order, Map<K,V> map, com.google.protobuf.WireFormat.FieldType keyType, K defaultKey, com.google.protobuf.WireFormat.FieldType valueType, V defalutValue) Write to map.

从类继承的方法 java.lang.Object

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

构造器详细资料

CodedConstant

public CodedConstant()

方法详细资料

getFieldName

public static String getFieldName(int order)

get field name.

参数:

order - field order

返回:

field name

computeElementSize

public static int computeElementSize(com.google.protobuf.WireFormat.FieldType type,
                                     int number,
                                     Object value)

Compute the number of bytes that would be needed to encode a single tag/value pair of arbitrary type.

参数:

type - The field's type.

number - The field's number.

value - Object representing the field's value. Must be of the exact type which would be returned by MessageOrBuilder.getField(Descriptors.FieldDescriptor) for this field.

返回:

the int

getMappedTypeDefined

public static String getMappedTypeDefined(int order,
                                          FieldType type,
                                          String express,
                                          boolean isList,
                                          boolean isMap)

get mapped type defined java expression.

参数:

order - field order

type - field type

express - java expression

isList - is field type is a List

isMap - is field type is a Map

返回:

full java expression

getFiledType

public static String getFiledType(FieldType type,
                                  boolean isList)

Gets the filed type.

参数:

type - the type

isList - the is list

返回:

the filed type

getWriteValueToField

public static String getWriteValueToField(FieldType type,
                                          String express,
                                          boolean isList)

Gets the write value to field.

参数:

type - the type

express - the express

isList - the is list

返回:

the write value to field

getMappedTypeSize

public static String getMappedTypeSize(FieldInfo field,
                                       int order,
                                       FieldType type,
                                       boolean isList,
                                       boolean isMap,
                                       boolean debug,
                                       File path)

Gets the mapped type size.

参数:

field - field

order - field order

type - field type

isList - is field type is a List

isMap - the is map

debug - debug mode if true enable debug.

path - the path

返回:

full java expression

getMapFieldGenericParameterString

public static String getMapFieldGenericParameterString(FieldInfo field)

Gets the map field generic parameter string.

参数:

field - the field

返回:

the map field generic parameter string

computeListSize

public static int computeListSize(int order,
                                  Collection<?> list,
                                  FieldType type,
                                  boolean debug,
                                  File path)

Compute list size.

参数:

order - field order

list - field value

type - field type of list obj

debug - the debug

path - the path

返回:

full java expression

computeListSize

public static int computeListSize(int order,
                                  Collection list,
                                  FieldType type,
                                  boolean debug,
                                  File path,
                                  boolean packed)

Compute list size.

参数:

order - the order

list - the list

type - the type

debug - the debug

path - the path

packed - the packed

返回:

the int

computeListSize

public static int computeListSize(int order,
                                  Collection list,
                                  FieldType type,
                                  boolean debug,
                                  File path,
                                  boolean packed,
                                  boolean sizeOnly)

Compute list size.

参数:

order - the order

list - the list

type - the type

debug - the debug

path - the path

packed - the packed

sizeOnly - the size only if true will not include order size and tag size

返回:

the int

computeMapSize

public static <K,V> int computeMapSize(int order,
                                       Map<K,V> map,
                                       com.google.protobuf.WireFormat.FieldType keyType,
                                       K defaultKey,
                                       com.google.protobuf.WireFormat.FieldType valueType,
                                       V defalutValue)

Compute map size.

类型参数:

K - the key type

V - the value type

参数:

order - the order

map - the map

keyType - the key type

defaultKey - the default key

valueType - the value type

defalutValue - the defalut value

返回:

the int

putMapValue

public static <K,V> void putMapValue(com.google.protobuf.CodedInputStream input,
                                     Map<K,V> map,
                                     com.google.protobuf.WireFormat.FieldType keyType,
                                     K defaultKey,
                                     com.google.protobuf.WireFormat.FieldType valueType,
                                     V defalutValue)
                              throws IOException

Put map value.

类型参数:

K - the key type

V - the value type

参数:

input - the input

map - the map

keyType - the key type

defaultKey - the default key

valueType - the value type

defalutValue - the defalut value

抛出:

IOException - Signals that an I/O exception has occurred.

putMapValue

public static <K,V> void putMapValue(com.google.protobuf.CodedInputStream input,
                                     Map<K,V> map,
                                     com.google.protobuf.WireFormat.FieldType keyType,
                                     K defaultKey,
                                     com.google.protobuf.WireFormat.FieldType valueType,
                                     V defalutValue,
                                     EnumHandler<V> handler)
                              throws IOException

抛出:

IOException

putMapValue

public static <K,V> void putMapValue(com.google.protobuf.CodedInputStream input,
                                     Map<K,V> map,
                                     com.google.protobuf.WireFormat.FieldType keyType,
                                     K defaultKey,
                                     com.google.protobuf.WireFormat.FieldType valueType,
                                     V defalutValue,
                                     EnumHandler<K> keyHandler,
                                     EnumHandler<V> valHandler)
                              throws IOException

抛出:

IOException

writeToMap

public static <K,V> void writeToMap(com.google.protobuf.CodedOutputStream output,
                                    int order,
                                    Map<K,V> map,
                                    com.google.protobuf.WireFormat.FieldType keyType,
                                    K defaultKey,
                                    com.google.protobuf.WireFormat.FieldType valueType,
                                    V defalutValue)
                             throws IOException

Write to map.

类型参数:

K - the key type

V - the value type

参数:

output - the output

order - the order

map - the map

keyType - the key type

defaultKey - the default key

valueType - the value type

defalutValue - the defalut value

抛出:

IOException - Signals that an I/O exception has occurred.

computeSize

public static int computeSize(int order,
                              Object o,
                              FieldType type,
                              boolean debug,
                              File path)

get object size by FieldType.

参数:

order - the order

o - the o

type - the type

debug - the debug

path - the path

返回:

the int

computeObjectSizeNoTag

public static int computeObjectSizeNoTag(Object o)

Compute object size no tag.

参数:

o - the o

返回:

the int

computeSize

public static int computeSize(int order,
                              Object o,
                              FieldType type,
                              boolean list,
                              boolean debug,
                              File path)

get object size by FieldType.

参数:

order - the order

o - the o

type - the type

list - the list

debug - the debug

path - the path

返回:

the int

getMappedWriteCode

public static String getMappedWriteCode(FieldInfo field,
                                        String prefix,
                                        int order,
                                        FieldType type,
                                        boolean isList,
                                        boolean isMap)

get mapped object byte write java expression.

参数:

field - the field

prefix - the prefix

order - field order

type - field type

isList - the is list

isMap - the is map

返回:

full java expression

writeToList

public static void writeToList(com.google.protobuf.CodedOutputStream out,
                               int order,
                               FieldType type,
                               Collection list)
                        throws IOException

Write to list.

参数:

out - the out

order - the order

type - the type

list - the list

抛出:

IOException - Signals that an I/O exception has occurred.

writeToList

public static void writeToList(com.google.protobuf.CodedOutputStream out,
                               int order,
                               FieldType type,
                               Collection list,
                               boolean packed)
                        throws IOException

write list to CodedOutputStream object.

参数:

out - target output stream to write

order - field order

type - field type

list - target list object to be serialized

packed - the packed

抛出:

IOException - Signals that an I/O exception has occurred.

writeObject

public static void writeObject(com.google.protobuf.CodedOutputStream out,
                               int order,
                               FieldType type,
                               Object o,
                               boolean list)
                        throws IOException

Write object.

参数:

out - the out

order - the order

type - the type

o - the o

list - the list

抛出:

IOException - Signals that an I/O exception has occurred.

writeObject

public static void writeObject(com.google.protobuf.CodedOutputStream out,
                               int order,
                               FieldType type,
                               Object o,
                               boolean list,
                               boolean withTag)
                        throws IOException

Write object to byte array by FieldType.

参数:

out - the out

order - the order

type - the type

o - the o

list - the list

withTag - the with tag

抛出:

IOException - Signals that an I/O exception has occurred.

getRequiredCheck

public static String getRequiredCheck(int order,
                                      Field field)

get required field check java expression.

参数:

order - field order

field - java field

返回:

full java expression

getRetRequiredCheck

public static String getRetRequiredCheck(String express,
                                         Field field)

get return required field check java expression.

参数:

express - java expression

field - java field

返回:

full java expression

isNull

public static boolean isNull(Object o)

check object is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(double o)

check double is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(int o)

check int is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(byte o)

check byte is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(short o)

check short is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(long o)

check long is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(float o)

check float is null.

参数:

o - to check

返回:

true if is null

isNull

public static boolean isNull(char o)

check char is null.

参数:

o - to check

返回:

true if is null

asList

public static List asList(String value)

As list.

参数:

value - the value

返回:

the list

capitalize

public static String capitalize(String str)

Capitalizes a String changing the first letter to title case as per Character.toTitleCase(char). No other letters are changed.

参数:

str - the String to capitalize, may be null

返回:

the capitalized String, null if null String input

makeTag

public static int makeTag(int fieldNumber,
                          int wireType)

make protobuf tag.

参数:

fieldNumber - field number order

wireType - wireformat type

返回:

tag id

getEnumName

public static String getEnumName(Enum[] e,
                                 int value)

Gets the enum name.

参数:

e - the e

value - the value

返回:

the enum name

getEnumValue

public static int getEnumValue(Enum en)

Gets the enum value.

参数:

en - the en

返回:

the enum value

getEnumValue

public static <T extends Enum<T>> T getEnumValue(Class<T> enumType,
                                                 String name)

Gets the enumeration value.

类型参数:

T - the generic type

参数:

enumType - the enum type

name - the name

返回:

the enum value

readPrimitiveField

public static Object readPrimitiveField(com.google.protobuf.CodedInputStream input,
                                        com.google.protobuf.WireFormat.FieldType type,
                                        boolean checkUtf8)
                                 throws IOException

Read a field of any primitive type for immutable messages from a CodedInputStream. Enums, groups, and embedded messages are not handled by this method.

参数:

input - The stream from which to read.

type - Declared type of the field.

checkUtf8 - When true, check that the input is valid utf8.

返回:

An object representing the field's value, of the exact type which would be returned by MessageOrBuilder.getField(Descriptors.FieldDescriptor) for this field.

抛出:

IOException - Signals that an I/O exception has occurred.

writeElement

public static void writeElement(com.google.protobuf.CodedOutputStream output,
                                com.google.protobuf.WireFormat.FieldType type,
                                int number,
                                Object value)
                         throws IOException

Write a single tag-value pair to the stream.

参数:

output - The output stream.

type - The field's type.

number - The field's number.

value - Object representing the field's value. Must be of the exact type which would be returned by MessageOrBuilder.getField(Descriptors.FieldDescriptor) for this field.

抛出:

IOException - Signals that an I/O exception has occurred.

writeElementNoTag

public static void writeElementNoTag(com.google.protobuf.CodedOutputStream output,
                                     com.google.protobuf.WireFormat.FieldType type,
                                     Object value)
                              throws IOException

Write a field of arbitrary type, without its tag, to the stream.

参数:

output - The output stream.

type - The field's type.

value - Object representing the field's value. Must be of the exact type which would be returned by MessageOrBuilder.getField(Descriptors.FieldDescriptor) for this field.

抛出:

IOException - Signals that an I/O exception has occurred.

computeLengthDelimitedFieldSize

public static int computeLengthDelimitedFieldSize(int fieldLength)

Compute length delimited field size.

参数:

fieldLength - the field length

返回:

the int

computeElementSizeNoTag

public static int computeElementSizeNoTag(com.google.protobuf.WireFormat.FieldType type,
                                          Object value)

Compute the number of bytes that would be needed to encode a particular value of arbitrary type, excluding tag.

参数:

type - The field's type.

value - Object representing the field's value. Must be of the exact type which would be returned by MessageOrBuilder.getField(Descriptors.FieldDescriptor) for this field.

返回:

the int

getDescriptor

public static com.google.protobuf.Descriptors.Descriptor getDescriptor(Class<?> cls)
                                                                throws IOException

Gets the descriptor.

参数:

cls - the cls

返回:

the descriptor

抛出:

IOException - Signals that an I/O exception has occurred.