Class Jsr199JavaCompiler

java.lang.Object

org.apache.jasper.compiler.Jsr199JavaCompiler

All Implemented Interfaces:

JavaCompiler

public class Jsr199JavaCompiler
extends Object
implements JavaCompiler

Invoke Java Compiler per JSR 199, using in-memory storage for both the input Java source and the generated bytecodes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	Jsr199JavaCompiler.BytecodeFile

Field Summary

Fields

Modifier and Type	Field	Description
protected CharArrayWriter	charArrayWriter
protected ArrayList<Jsr199JavaCompiler.BytecodeFile>	classFiles
protected List<File>	cpath
private JspCompilationContext	ctxt
private ErrorDispatcher	errDispatcher
protected String	javaEncoding
protected String	javaFileName
protected ArrayList<String>	options
private JspRuntimeContext	rtctxt

Constructor Summary

Constructors

Constructor	Description
Jsr199JavaCompiler()

Method Summary

Modifier and Type	Method	Description
JavacErrorDetail[]	compile(String className, Node.Nodes pageNodes)	Start Java compilation
void	doJavaFile(boolean keep)	Remove/save the generated Java File from/to disk
long	getClassLastModified()	Return the time the class file was generated.
protected JavaFileManager	getJavaFileManager(JavaFileManager fm)
Writer	getJavaWriter(String javaFileName, String javaEncoding)	Get a Writer for the Java file.
protected JavaFileObject	getOutputFile(String className, URI uri)
void	init(JspCompilationContext ctxt, ErrorDispatcher errDispatcher, boolean suppressLogging)	Initializations
void	release()	Release resouces used in the current compilation
void	saveClassFile(String className, String classFileName)	Save the generated class file to disk, if not already done.
void	setClassPath(List<File> path)	Java Compiler options.
void	setDebug(boolean debug)
void	setExtdirs(String exts)
void	setSourceVM(String sourceVM)
void	setTargetVM(String targetVM)

Methods inherited from class Object

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

Field Details

cpath

protected List<File> cpath

rtctxt

private JspRuntimeContext rtctxt

classFiles

protected ArrayList<Jsr199JavaCompiler.BytecodeFile> classFiles

options

protected ArrayList<String> options

charArrayWriter

protected CharArrayWriter charArrayWriter

ctxt

private JspCompilationContext ctxt

javaFileName

protected String javaFileName

javaEncoding

protected String javaEncoding

errDispatcher

private ErrorDispatcher errDispatcher

Constructor Details

Jsr199JavaCompiler

public Jsr199JavaCompiler()

Method Details

init

public void init(JspCompilationContext ctxt,
 ErrorDispatcher errDispatcher,
 boolean suppressLogging)

Description copied from interface: JavaCompiler

Initializations

Specified by:

init in interface JavaCompiler

release

public void release()

Description copied from interface: JavaCompiler

Release resouces used in the current compilation

Specified by:

release in interface JavaCompiler

setClassPath

public void setClassPath(List<File> path)

Description copied from interface: JavaCompiler

Java Compiler options.

Specified by:

setClassPath in interface JavaCompiler

setExtdirs

public void setExtdirs(String exts)

Specified by:

setExtdirs in interface JavaCompiler

setSourceVM

public void setSourceVM(String sourceVM)

Specified by:

setSourceVM in interface JavaCompiler

setTargetVM

public void setTargetVM(String targetVM)

Specified by:

setTargetVM in interface JavaCompiler

saveClassFile

public void saveClassFile(String className,
 String classFileName)

Description copied from interface: JavaCompiler

Save the generated class file to disk, if not already done.

Specified by:

saveClassFile in interface JavaCompiler

doJavaFile

public void doJavaFile(boolean keep)
                throws JasperException

Description copied from interface: JavaCompiler

Remove/save the generated Java File from/to disk

Specified by:

doJavaFile in interface JavaCompiler

Throws:

JasperException

setDebug

public void setDebug(boolean debug)

Specified by:

setDebug in interface JavaCompiler

getJavaWriter

public Writer getJavaWriter(String javaFileName,
 String javaEncoding)

Description copied from interface: JavaCompiler

Get a Writer for the Java file. The writer is used by JSP compiler. This method allows the Java compiler control where the Java file should be generated so it knows how to handle the input for java compilation accordingly.

Specified by:

getJavaWriter in interface JavaCompiler

getClassLastModified

public long getClassLastModified()

Description copied from interface: JavaCompiler

Return the time the class file was generated.

Specified by:

getClassLastModified in interface JavaCompiler

compile

public JavacErrorDetail[] compile(String className,
 Node.Nodes pageNodes)
                           throws JasperException

Description copied from interface: JavaCompiler

Start Java compilation

Specified by:

compile in interface JavaCompiler

Parameters:

className - Name of the class under compilation

Throws:

JasperException

getOutputFile

protected JavaFileObject getOutputFile(String className,
 URI uri)

getJavaFileManager

protected JavaFileManager getJavaFileManager(JavaFileManager fm)