com.github.skjolber.stcsv.databinder

Class AbstractCsvMapper<T>

java.lang.Object

com.github.skjolber.stcsv.databinder.AbstractCsvMapper<T>

Direct Known Subclasses:

CsvMapper, CsvMapper2

public abstract class AbstractCsvMapper<T>
extends Object

Dynamic CSV parser generator. Adapts the underlying implementation according to the first (header) line.

Uses ASM to build the parsers.

Thread-safe.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	biConsumer
protected int	bufferLength
protected ClassLoader	classLoader
protected List<AbstractColumn>	columns
protected static AtomicInteger	counter
protected static String	csvStaticInitializer
protected static int	currentArrayIndex
protected static int	currentOffsetIndex Note: Stack variable types are fixed throughout the application, as below.
protected int	divider
protected int	escapeCharacter
protected Map<String,DefaultStaticCsvMapper<T>>	factories
protected static String	GENERATED_CLASS_FULL_INTERNAL
protected static String	GENERATED_CLASS_FULL_NAME
protected static String	GENERATED_CLASS_SIMPLE_NAME
protected static String	ignoredIdenticalQuoteAndEscapeCharacterColumnName
protected static String	ignoredSeperateQuoteAndEscapeCharacterColumnName
protected static int	intermediateIndex
protected Map<String,AbstractColumn>	keys
protected Class<T>	mappedClass
protected String	mappedClassInternalName
protected static int	objectIndex
protected int	quoteCharacter
protected static int	rangeIndex
protected boolean	skipComments
protected boolean	skipEmptyLines
protected boolean	skippableFieldsWithoutLinebreaks
protected static int	startIndex
protected static String	superClassInternalName
protected boolean	triConsumer
static int	VAR_CURRENT_ARRAY
static int	VAR_CURRENT_OFFSET
static int	VAR_INTERMEDIATE_OBJECT
static int	VAR_OBJECT
static int	VAR_RANGE
static int	VAR_START

Constructor Summary

Constructors

Constructor and Description
AbstractCsvMapper(Class<T> cls, char divider, char quoteCharacter, char escapeCharacter, List<AbstractColumn> columns, boolean skipEmptyLines, boolean skipComments, boolean skippableFieldsWithoutLinebreaks, ClassLoader classLoader, int bufferLength)

Method Summary

Modifier and Type	Method and Description
protected void	addConstructors(org.objectweb.asm.ClassWriter classWriter, String subClassInternalName)
protected void	addConstructors(org.objectweb.asm.ClassWriter classWriter, String subClassInternalName, String intermediateInternalName)
protected void	addMethod(org.objectweb.asm.ClassWriter classWriter, String subClassInternalName, AbstractColumn[] mapping, boolean carriageReturns, boolean inline, int lastIndex, int firstIndex)
protected void	addStatics(org.objectweb.asm.ClassWriter classWriter, AbstractColumn[] columns, String classInternalName, String className)
Class<? extends AbstractCsvReader<T>>	createDefaultReaderClass(boolean carriageReturns)
Class<? extends AbstractCsvReader<T>>	createReaderClass(boolean carriageReturns, List<String> csvFileFieldNames)
Class<? extends AbstractCsvReader<T>>	createReaderClass(boolean carriageReturns, String header)
protected int	getDivider()
static String	getInternalName(Class<?> cls)
static String	getInternalName(String className)
protected List<String>	parseColumnNames(String row)
protected void	saveCurrentOffset(org.objectweb.asm.MethodVisitor mv, String superClassInternalName, int currentOffsetIndex)
protected void	skipColumns(org.objectweb.asm.MethodVisitor mv, int count)
protected void	skipToLinebreak(org.objectweb.asm.MethodVisitor mv)
protected String	write(org.objectweb.asm.ClassWriter classWriter, List<String> csvFileFieldNames, boolean carriageReturns)
protected void	writeReaderConstructor(org.objectweb.asm.ClassWriter classWriter, String subClassInternalName, String intermediateInternalName)
protected void	writeReaderWithBufferConstructor(org.objectweb.asm.ClassWriter classWriter, String subClassInternalName, String intermediateInternalName)
protected void	writeSkipComments(org.objectweb.asm.MethodVisitor mv, String subClassInternalName)
protected void	writeSkipEmptyLines(org.objectweb.asm.MethodVisitor mv, String subClassInternalName, boolean carriageReturns)
protected void	writeSkipEmptyOrCommentedLines(org.objectweb.asm.MethodVisitor mv, String subClassInternalName, boolean carriageReturns)
protected abstract void	writeTriConsumerVariable(String subClassInternalName, org.objectweb.asm.MethodVisitor mv)

Methods inherited from class java.lang.Object

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

Field Detail

VAR_CURRENT_OFFSET

public static final int VAR_CURRENT_OFFSET

See Also:

Constant Field Values

VAR_CURRENT_ARRAY

public static final int VAR_CURRENT_ARRAY

See Also:

Constant Field Values

VAR_OBJECT

public static final int VAR_OBJECT

See Also:

Constant Field Values

VAR_START

public static final int VAR_START

See Also:

Constant Field Values

VAR_RANGE

public static final int VAR_RANGE

See Also:

Constant Field Values

VAR_INTERMEDIATE_OBJECT

public static final int VAR_INTERMEDIATE_OBJECT

See Also:

Constant Field Values

GENERATED_CLASS_SIMPLE_NAME

protected static final String GENERATED_CLASS_SIMPLE_NAME

See Also:

Constant Field Values

GENERATED_CLASS_FULL_NAME

protected static final String GENERATED_CLASS_FULL_NAME

See Also:

Constant Field Values

GENERATED_CLASS_FULL_INTERNAL

protected static final String GENERATED_CLASS_FULL_INTERNAL

See Also:

Constant Field Values

superClassInternalName

protected static final String superClassInternalName

csvStaticInitializer

protected static final String csvStaticInitializer

ignoredSeperateQuoteAndEscapeCharacterColumnName

protected static final String ignoredSeperateQuoteAndEscapeCharacterColumnName

ignoredIdenticalQuoteAndEscapeCharacterColumnName

protected static final String ignoredIdenticalQuoteAndEscapeCharacterColumnName

counter

protected static AtomicInteger counter

divider

protected int divider

quoteCharacter

protected int quoteCharacter

escapeCharacter

protected int escapeCharacter

mappedClass

protected Class<T> mappedClass

mappedClassInternalName

protected String mappedClassInternalName

keys

protected Map<String,AbstractColumn> keys

columns

protected List<AbstractColumn> columns

skipEmptyLines

protected final boolean skipEmptyLines

skipComments

protected final boolean skipComments

skippableFieldsWithoutLinebreaks

protected final boolean skippableFieldsWithoutLinebreaks

bufferLength

protected final int bufferLength

currentOffsetIndex

protected static final int currentOffsetIndex

Note: Stack variable types are fixed throughout the application, as below. The range index is dual purpose as end index for trimming quoted content.

See Also:

Constant Field Values

currentArrayIndex

protected static final int currentArrayIndex

See Also:

Constant Field Values

objectIndex

protected static final int objectIndex

See Also:

Constant Field Values

startIndex

protected static final int startIndex

See Also:

Constant Field Values

rangeIndex

protected static final int rangeIndex

See Also:

Constant Field Values

intermediateIndex

protected static final int intermediateIndex

See Also:

Constant Field Values

factories

protected final Map<String,DefaultStaticCsvMapper<T>> factories

classLoader

protected final ClassLoader classLoader

biConsumer

protected final boolean biConsumer

triConsumer

protected final boolean triConsumer

Constructor Detail

AbstractCsvMapper

public AbstractCsvMapper(Class<T> cls,
                         char divider,
                         char quoteCharacter,
                         char escapeCharacter,
                         List<AbstractColumn> columns,
                         boolean skipEmptyLines,
                         boolean skipComments,
                         boolean skippableFieldsWithoutLinebreaks,
                         ClassLoader classLoader,
                         int bufferLength)

Method Detail

getInternalName

public static String getInternalName(Class<?> cls)

getInternalName

public static String getInternalName(String className)

getDivider

protected int getDivider()

createDefaultReaderClass

public Class<? extends AbstractCsvReader<T>> createDefaultReaderClass(boolean carriageReturns)
                                                               throws Exception

Throws:

Exception

createReaderClass

public Class<? extends AbstractCsvReader<T>> createReaderClass(boolean carriageReturns,
                                                               String header)
                                                        throws Exception

Throws:

Exception

createReaderClass

public Class<? extends AbstractCsvReader<T>> createReaderClass(boolean carriageReturns,
                                                               List<String> csvFileFieldNames)
                                                        throws Exception

Throws:

Exception

write

protected String write(org.objectweb.asm.ClassWriter classWriter,
                       List<String> csvFileFieldNames,
                       boolean carriageReturns)

addMethod

protected void addMethod(org.objectweb.asm.ClassWriter classWriter,
                         String subClassInternalName,
                         AbstractColumn[] mapping,
                         boolean carriageReturns,
                         boolean inline,
                         int lastIndex,
                         int firstIndex)

writeTriConsumerVariable

protected abstract void writeTriConsumerVariable(String subClassInternalName,
                                                 org.objectweb.asm.MethodVisitor mv)

addConstructors

protected void addConstructors(org.objectweb.asm.ClassWriter classWriter,
                               String subClassInternalName)

writeSkipComments

protected void writeSkipComments(org.objectweb.asm.MethodVisitor mv,
                                 String subClassInternalName)

skipToLinebreak

protected void skipToLinebreak(org.objectweb.asm.MethodVisitor mv)

skipColumns

protected void skipColumns(org.objectweb.asm.MethodVisitor mv,
                           int count)

writeSkipEmptyOrCommentedLines

protected void writeSkipEmptyOrCommentedLines(org.objectweb.asm.MethodVisitor mv,
                                              String subClassInternalName,
                                              boolean carriageReturns)

writeSkipEmptyLines

protected void writeSkipEmptyLines(org.objectweb.asm.MethodVisitor mv,
                                   String subClassInternalName,
                                   boolean carriageReturns)

addStatics

protected void addStatics(org.objectweb.asm.ClassWriter classWriter,
                          AbstractColumn[] columns,
                          String classInternalName,
                          String className)

addConstructors

protected void addConstructors(org.objectweb.asm.ClassWriter classWriter,
                               String subClassInternalName,
                               String intermediateInternalName)

writeReaderWithBufferConstructor

protected void writeReaderWithBufferConstructor(org.objectweb.asm.ClassWriter classWriter,
                                                String subClassInternalName,
                                                String intermediateInternalName)

writeReaderConstructor

protected void writeReaderConstructor(org.objectweb.asm.ClassWriter classWriter,
                                      String subClassInternalName,
                                      String intermediateInternalName)

saveCurrentOffset

protected void saveCurrentOffset(org.objectweb.asm.MethodVisitor mv,
                                 String superClassInternalName,
                                 int currentOffsetIndex)

parseColumnNames

protected List<String> parseColumnNames(String row)
                                 throws Exception

Throws:

Exception