net.sf.jasperreports.engine.design

Class JRClassGenerator

java.lang.Object

net.sf.jasperreports.engine.design.JRClassGenerator

public class JRClassGenerator
extends Object

Author:

Teodor Danciu (teodord@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,JRField>	fieldsMap
protected Map<String,? extends JRParameter>	parametersMap
static String	PROPERTY_MAX_METHOD_SIZE
protected static String	SOURCE_EXPRESSION_ID_END
protected static String	SOURCE_EXPRESSION_ID_START
protected static int	SOURCE_EXPRESSION_ID_START_LENGTH
protected JRSourceCompileTask	sourceTask
protected JRVariable[]	variables
protected Map<String,JRVariable>	variablesMap

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JRClassGenerator(JRSourceCompileTask sourceTask)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addMethod(StringBuffer methodBuffer, Method method)
protected void	appendExpressionComment(StringBuffer sb, JRExpression expression)
protected void	appendExpressionText(JRExpression expression, StringBuffer sb, String chunkText)
protected JRCompilationSourceCode	generateClass()
static JRCompilationSourceCode	generateClass(JRSourceCompileTask sourceTask) Generates Java source code for evaluating the expressions of a report/dataset/crosstab.
protected void	generateClassStart(StringBuffer sb)
protected void	generateDeclarations(StringBuffer sb)
protected void	generateInitFieldsMethod(StringBuffer sb)
protected void	generateInitParamsMethod(StringBuffer sb)
protected void	generateInitVarsMethod(StringBuffer sb)
protected String	generateMethod(byte evaluationType, List<JRExpression> expressionsList)
protected JRExpression	getLineExpression(String line)
static JRCompilationSourceCode	modifySource(JRSourceCompileTask sourceTask, Set<Method> missingMethods, String sourceCode)
protected JRCompilationSourceCode	modifySource(Set<Method> missingMethods, String sourceCode)
protected JRDefaultCompilationSourceCode	parseSourceLines(String sourceCode)
protected void	writeExpression(StringBuffer sb, JRExpression expression, byte evaluationType)
protected void	writeMethodEnd(StringBuffer sb, byte evaluationType, Integer nextMethodIndex)
protected void	writeMethodStart(StringBuffer sb, byte evaluationType, int methodIndex)

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_MAX_METHOD_SIZE

public static final String PROPERTY_MAX_METHOD_SIZE

See Also:

Constant Field Values

SOURCE_EXPRESSION_ID_START

protected static final String SOURCE_EXPRESSION_ID_START

See Also:

Constant Field Values

SOURCE_EXPRESSION_ID_START_LENGTH

protected static final int SOURCE_EXPRESSION_ID_START_LENGTH

SOURCE_EXPRESSION_ID_END

protected static final String SOURCE_EXPRESSION_ID_END

See Also:

Constant Field Values

sourceTask

protected final JRSourceCompileTask sourceTask

parametersMap

protected Map<String,? extends JRParameter> parametersMap

fieldsMap

protected Map<String,JRField> fieldsMap

variablesMap

protected Map<String,JRVariable> variablesMap

variables

protected JRVariable[] variables

Constructor Detail

JRClassGenerator

protected JRClassGenerator(JRSourceCompileTask sourceTask)

Method Detail

generateClass

public static JRCompilationSourceCode generateClass(JRSourceCompileTask sourceTask)
                                             throws JRException

Generates Java source code for evaluating the expressions of a report/dataset/crosstab.

Parameters:

sourceTask - the source task containing data required to generate the source file

Returns:

the source code

Throws:

JRException

modifySource

public static JRCompilationSourceCode modifySource(JRSourceCompileTask sourceTask,
                                   Set<Method> missingMethods,
                                   String sourceCode)

generateClass

protected JRCompilationSourceCode generateClass()
                                         throws JRException

Throws:

JRException

generateClassStart

protected final void generateClassStart(StringBuffer sb)

generateDeclarations

protected final void generateDeclarations(StringBuffer sb)

generateInitParamsMethod

protected final void generateInitParamsMethod(StringBuffer sb)
                                       throws JRException

Throws:

JRException

generateInitFieldsMethod

protected final void generateInitFieldsMethod(StringBuffer sb)
                                       throws JRException

Throws:

JRException

generateInitVarsMethod

protected final void generateInitVarsMethod(StringBuffer sb)
                                     throws JRException

Throws:

JRException

generateMethod

protected final String generateMethod(byte evaluationType,
                    List<JRExpression> expressionsList)
                               throws JRException

Throws:

JRException

writeMethodStart

protected void writeMethodStart(StringBuffer sb,
                    byte evaluationType,
                    int methodIndex)

writeExpression

protected void writeExpression(StringBuffer sb,
                   JRExpression expression,
                   byte evaluationType)

writeMethodEnd

protected void writeMethodEnd(StringBuffer sb,
                  byte evaluationType,
                  Integer nextMethodIndex)

appendExpressionText

protected void appendExpressionText(JRExpression expression,
                        StringBuffer sb,
                        String chunkText)

appendExpressionComment

protected void appendExpressionComment(StringBuffer sb,
                           JRExpression expression)

parseSourceLines

protected JRDefaultCompilationSourceCode parseSourceLines(String sourceCode)

getLineExpression

protected JRExpression getLineExpression(String line)

modifySource

protected JRCompilationSourceCode modifySource(Set<Method> missingMethods,
                                   String sourceCode)

addMethod

protected void addMethod(StringBuffer methodBuffer,
             Method method)