Package net.sf.jasperreports.engine.design

Class JRClassGenerator

java.lang.Object

net.sf.jasperreports.engine.design.JRClassGenerator

public class JRClassGenerator
extends Object

Author:

Teodor Danciu ([email protected])

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,JRField>	fieldsMap
protected Map<String,? extends JRParameter>	parametersMap
static String	PROPERTY_MAX_METHOD_SIZE	Property that determines the maximum size of a generated Java method
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	Description
protected	JRClassGenerator(JRSourceCompileTask sourceTask)

Method Summary

Modifier and Type	Method	Description
protected void	addMethod(StringBuilder methodBuilder, Method method)
protected void	appendExpressionComment(StringBuilder sb, JRExpression expression)
protected void	appendExpressionText(JRExpression expression, StringBuilder 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(StringBuilder sb)
protected void	generateDeclarations(StringBuilder sb)
protected void	generateInitFieldsMethod(StringBuilder sb)
protected void	generateInitParamsMethod(StringBuilder sb)
protected void	generateInitVarsMethod(StringBuilder sb)
protected String	generateMethod(byte evaluationType, List<JRExpression> expressionsList)
protected JRExpression	getLineExpression(String line)
protected JRCompilationSourceCode	modifySource(Set<Method> missingMethods, String sourceCode)
static JRCompilationSourceCode	modifySource(JRSourceCompileTask sourceTask, Set<Method> missingMethods, String sourceCode)
protected JRDefaultCompilationSourceCode	parseSourceLines(String sourceCode)
protected void	writeExpression(StringBuilder sb, JRExpression expression, byte evaluationType)
protected void	writeMethodEnd(StringBuilder sb, byte evaluationType, Integer nextMethodIndex)
protected void	writeMethodStart(StringBuilder 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

Property that determines the maximum size of a generated Java method

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(StringBuilder sb)

generateDeclarations

protected final void generateDeclarations(StringBuilder sb)

generateInitParamsMethod

protected final void generateInitParamsMethod(StringBuilder sb)
                                       throws JRException

Throws:

JRException

generateInitFieldsMethod

protected final void generateInitFieldsMethod(StringBuilder sb)
                                       throws JRException

Throws:

JRException

generateInitVarsMethod

protected final void generateInitVarsMethod(StringBuilder sb)
                                     throws JRException

Throws:

JRException

generateMethod

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

Throws:

JRException

writeMethodStart

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

writeExpression

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

writeMethodEnd

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

appendExpressionText

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

appendExpressionComment

protected void appendExpressionComment(StringBuilder 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(StringBuilder methodBuilder,
                         Method method)