blasd.apex.core.io

Class ApexSerializationHelper

java.lang.Object

blasd.apex.core.io.ApexSerializationHelper

public class ApexSerializationHelper
extends Object

Various utility method related to Serialization, as conversion from/to String to/from Collections and Map

Author:

Benoit Lacelle

Field Summary

Fields

Modifier and Type	Field and Description
static char	COLLECTION_SEPARATOR
static char	FORCE_SEPARATOR
protected static org.slf4j.Logger	LOGGER
static char	MAP_ENTRY_SEPARATOR
static char	MAP_ENTRY_SEPARATOR_SEMICOLUMN
static char	MAP_KEY_VALUE_SEPARATOR
static com.google.common.base.Splitter.MapSplitter	MAP_TO_STRING_SPLITTER
static com.google.common.base.Splitter.MapSplitter	MAP_TO_STRING_SPLITTER_SEMICOLUMN
static int	MAX_CHARS_PER_COLUMN
protected static com.google.common.base.Function<Object,CharSequence>	OBJECT_TO_STRING Deprecated.
static char	PIPE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ApexSerializationHelper()

Method Summary

Modifier and Type	Method and Description
static void	appendLineInCSVFile(FileOutputStream outputFileIS, Iterable<?> row)
static void	appendLineInCSVFile(Path file, Iterable<?> row) Easy way to append a single CSV row in a file
static void	appendLineInCSVFile(Writer writer, Iterable<?> row)
static String	convertObjectToString(Object object)
static Object	convertStringToObject(CharSequence charSequence)
static List<Object>	convertToList(CharSequence asString)
static List<Object>	convertToList(CharSequence asString, char separator)
static List<String>	convertToListString(CharSequence asString)
static List<String>	convertToListString(CharSequence asString, char separator)
static Map<String,Object>	convertToMap(CharSequence asString)
static Map<String,List<String>>	convertToMapStringListString(String asString)
static Map<String,String>	convertToMapStringString(CharSequence asString)
static Set<?>	convertToSet(CharSequence asString)
static Set<? extends String>	convertToSetString(CharSequence asString)
static String	convertToString(Iterable<?> asList)
static String	convertToString(Map<?,?> asMap)
static String	convertToString2(Iterable<?> asList)
static <T extends Serializable> T	fromBytes(byte[] data)
static <T extends Serializable> T	fromString(String s) Read the object from Base64 string.
static List<String>	parseList(String asString)
static void	rawAppendLineInCSVFile(Writer writer, Iterable<?> row, boolean wrapInQuotes, int maxLength)
static byte[]	toBytes(Serializable o)
static Object	toDoubleLowDigits(Object value)
static String	toString(Serializable o) Write the object to a Base64 string.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

MAX_CHARS_PER_COLUMN

public static final int MAX_CHARS_PER_COLUMN

See Also:

Constant Field Values

MAP_KEY_VALUE_SEPARATOR

public static final char MAP_KEY_VALUE_SEPARATOR

See Also:

Constant Field Values

MAP_ENTRY_SEPARATOR

public static final char MAP_ENTRY_SEPARATOR

See Also:

Constant Field Values

MAP_ENTRY_SEPARATOR_SEMICOLUMN

public static final char MAP_ENTRY_SEPARATOR_SEMICOLUMN

See Also:

Constant Field Values

MAP_TO_STRING_SPLITTER

public static final com.google.common.base.Splitter.MapSplitter MAP_TO_STRING_SPLITTER

MAP_TO_STRING_SPLITTER_SEMICOLUMN

public static final com.google.common.base.Splitter.MapSplitter MAP_TO_STRING_SPLITTER_SEMICOLUMN

PIPE

public static final char PIPE

See Also:

Constant Field Values

COLLECTION_SEPARATOR

public static final char COLLECTION_SEPARATOR

See Also:

Constant Field Values

FORCE_SEPARATOR

public static final char FORCE_SEPARATOR

See Also:

Constant Field Values

OBJECT_TO_STRING

@Deprecated
protected static final com.google.common.base.Function<Object,CharSequence> OBJECT_TO_STRING

Deprecated.

Constructor Detail

ApexSerializationHelper

protected ApexSerializationHelper()

Method Detail

convertToMap

public static Map<String,Object> convertToMap(CharSequence asString)

Parameters:

asString - a String with the form key1=value1,key2=value2

Returns:

a Map

convertToMapStringString

public static Map<String,String> convertToMapStringString(CharSequence asString)

convertToMapStringListString

public static Map<String,List<String>> convertToMapStringListString(String asString)

convertToSet

public static Set<?> convertToSet(CharSequence asString)

convertToSetString

public static Set<? extends String> convertToSetString(CharSequence asString)

convertToList

public static List<Object> convertToList(CharSequence asString)

convertToListString

public static List<String> convertToListString(CharSequence asString)

convertToList

public static List<Object> convertToList(CharSequence asString,
                                         char separator)

convertToListString

public static List<String> convertToListString(CharSequence asString,
                                               char separator)

convertToString

public static String convertToString(Map<?,?> asMap)

convertToString

public static String convertToString(Iterable<?> asList)

convertToString2

public static String convertToString2(Iterable<?> asList)

convertObjectToString

public static String convertObjectToString(Object object)

convertStringToObject

public static Object convertStringToObject(CharSequence charSequence)

toDoubleLowDigits

@Beta
public static Object toDoubleLowDigits(Object value)

appendLineInCSVFile

@Beta
public static void appendLineInCSVFile(Path file,
                                             Iterable<?> row)
                                      throws IOException

Easy way to append a single CSV row in a file

Parameters:

file -

row -

Throws:

IOException

appendLineInCSVFile

@Beta
public static void appendLineInCSVFile(Writer writer,
                                             Iterable<?> row)
                                      throws IOException

Throws:

IOException

rawAppendLineInCSVFile

@Beta
public static void rawAppendLineInCSVFile(Writer writer,
                                                Iterable<?> row,
                                                boolean wrapInQuotes,
                                                int maxLength)
                                         throws IOException

Throws:

IOException

appendLineInCSVFile

@Beta
public static void appendLineInCSVFile(FileOutputStream outputFileIS,
                                             Iterable<?> row)
                                      throws IOException

Throws:

IOException

parseList

public static List<String> parseList(String asString)

fromString

public static <T extends Serializable> T fromString(String s)
                                             throws IOException,
                                                    ClassNotFoundException

Read the object from Base64 string.

Throws:

IOException

ClassNotFoundException

fromBytes

public static <T extends Serializable> T fromBytes(byte[] data)
                                            throws IOException,
                                                   ClassNotFoundException

Throws:

IOException

ClassNotFoundException

toString

public static String toString(Serializable o)
                       throws IOException

Write the object to a Base64 string.

Throws:

IOException

toBytes

public static byte[] toBytes(Serializable o)
                      throws IOException

Throws:

IOException