Package net.sf.jasperreports.javascript

Class JavaScriptCompiler

java.lang.Object

net.sf.jasperreports.engine.design.JRAbstractCompiler

net.sf.jasperreports.javascript.JavaScriptCompilerBase

net.sf.jasperreports.javascript.JavaScriptCompiler

All Implemented Interfaces:

JRCompiler

public class JavaScriptCompiler
extends JavaScriptCompilerBase

Compiler for reports that use JavaScript as expression language. This implementation produces evaluators that compile expressions at fill time.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

See Also:

• JavaScriptEvaluator
• JavaScriptClassCompiler

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.jasperreports.javascript.JavaScriptCompilerBase

JavaScriptCompilerBase.Errors, JavaScriptCompilerBase.ScriptExpressionVisitor

Field Summary

Fields inherited from class net.sf.jasperreports.javascript.JavaScriptCompilerBase

EXCEPTION_MESSAGE_KEY_INVALID_COMPILE_DATA_TYPE

Fields inherited from class net.sf.jasperreports.engine.design.JRAbstractCompiler

EXCEPTION_MESSAGE_KEY_CROSSTAB_ID_NOT_FOUND, EXCEPTION_MESSAGE_KEY_DESIGN_COMPILE_ERROR, EXCEPTION_MESSAGE_KEY_LANGUAGE_NOT_SUPPORTED, EXCEPTION_MESSAGE_KEY_REPORT_EXPRESSIONS_COMPILE_ERROR, EXCEPTION_MESSAGE_KEY_TEMP_DIR_NOT_FOUND, jasperReportsContext, reportClassFilter

Fields inherited from interface net.sf.jasperreports.engine.design.JRCompiler

COMPILER_CLASS, COMPILER_CLASSPATH, COMPILER_KEEP_JAVA_FILE, COMPILER_PREFIX, COMPILER_TEMP_DIR

Constructor Summary

Constructors

Constructor	Description
JavaScriptCompiler(JasperReportsContext jasperReportsContext)	Creates a JavaScript compiler.

Method Summary

Modifier and Type	Method	Description
protected void	checkLanguage(String language)	Checks that the report language is supported by the compiler.
protected String	compileUnits(JRCompilationUnit[] units, String classpath, File tempDirFile)	Compiles several expression evaluator units.

Methods inherited from class net.sf.jasperreports.javascript.JavaScriptCompilerBase

defaultExpressionCreator, estimatedExpressionCreator, generateSourceCode, getFieldVar, getParameterVar, getSourceFileName, getVariableVar, loadEvaluator, oldExpressionCreator

Methods inherited from class net.sf.jasperreports.engine.design.JRAbstractCompiler

compileReport, createCompileData, createEvaluator, directValueFilter, effectiveDirectValueFilter, getCompilerClass, getSourceFile, getUnitName, getUnitName, getUnitName, getUnitName, getUnitName, loadEvaluator, loadEvaluator, loadEvaluator

Methods inherited from class java.lang.Object

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

Constructor Details

JavaScriptCompiler

public JavaScriptCompiler(JasperReportsContext jasperReportsContext)

Creates a JavaScript compiler.

Method Details

checkLanguage

protected void checkLanguage(String language)
                      throws JRException

Description copied from class: JRAbstractCompiler

Checks that the report language is supported by the compiler.

Overrides:

checkLanguage in class JavaScriptCompilerBase

Parameters:

language - the report language

Throws:

JRException

compileUnits

protected String compileUnits(JRCompilationUnit[] units,
 String classpath,
 File tempDirFile)
                       throws JRException

Description copied from class: JRAbstractCompiler

Compiles several expression evaluator units.

The result of the compilation should be set by calling setCompileData on all compile units.

Specified by:

compileUnits in class JRAbstractCompiler

Parameters:

units - the compilation units

classpath - the compilation classpath

tempDirFile - temporary directory

Returns:

a string containing compilation errors, or null if the compilation was successfull

Throws:

JRException