org.apache.jasper.compiler

Class Compiler

java.lang.Object

org.apache.jasper.compiler.Compiler

public class Compiler
extends java.lang.Object

Main JSP compiler class. This class uses Ant for compiling.

Author:

Anil K. Vijendran, Mandar Raje, Pierre Delisle, Kin-man Chung, Remy Maucherat, Mark Roth

Field Summary

Fields

Modifier and Type	Field and Description
protected JspCompilationContext	ctxt
protected Options	options
protected Node.Nodes	pageNodes
protected org.apache.tools.ant.Project	project

Constructor Summary

Constructors

Constructor and Description
Compiler(JspCompilationContext ctxt)
Compiler(JspCompilationContext ctxt, JspServletWrapper jsw)

Method Summary

Methods

Modifier and Type	Method and Description
void	compile() Compile the jsp file from the current engine context
void	compile(boolean compileClass) Compile the jsp file from the current engine context.
JspCompilationContext	getCompilationContext()
ErrorDispatcher	getErrorDispatcher() Gets the error dispatcher.
org.apache.jasper.compiler.PageInfo	getPageInfo() Gets the info about the page under compilation
boolean	isOutDated() This is a protected method intended to be overridden by subclasses of Compiler.
boolean	isOutDated(boolean checkClass) Determine if a compilation is necessary by checking the time stamp of the JSP page with that of the corresponding .class or .java file.
void	removeGeneratedClassFiles()
void	removeGeneratedFiles() Remove generated files

Methods inherited from class java.lang.Object

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

Field Detail

ctxt

protected JspCompilationContext ctxt

project

protected org.apache.tools.ant.Project project

options

protected Options options

pageNodes

protected Node.Nodes pageNodes

Constructor Detail

Compiler

public Compiler(JspCompilationContext ctxt)

Compiler

public Compiler(JspCompilationContext ctxt,
        JspServletWrapper jsw)

Method Detail

compile

public void compile()
             throws java.io.FileNotFoundException,
                    JasperException,
                    java.lang.Exception

Compile the jsp file from the current engine context

Throws:

java.io.FileNotFoundException

JasperException

java.lang.Exception

compile

public void compile(boolean compileClass)
             throws java.io.FileNotFoundException,
                    JasperException,
                    java.lang.Exception

Compile the jsp file from the current engine context. As an side- effect, tag files that are referenced by this page are also compiled.

Parameters:

compileClass - If true, generate both .java and .class file If false, generate only .java file

Throws:

java.io.FileNotFoundException

JasperException

java.lang.Exception

isOutDated

public boolean isOutDated()

This is a protected method intended to be overridden by subclasses of Compiler. This is used by the compile method to do all the compilation.

isOutDated

public boolean isOutDated(boolean checkClass)

Determine if a compilation is necessary by checking the time stamp of the JSP page with that of the corresponding .class or .java file. If the page has dependencies, the check is also extended to its dependeants, and so on. This method can by overidden by a subclasses of Compiler.

Parameters:

checkClass - If true, check against .class file, if false, check against .java file.

getErrorDispatcher

public ErrorDispatcher getErrorDispatcher()

Gets the error dispatcher.

getPageInfo

public org.apache.jasper.compiler.PageInfo getPageInfo()

Gets the info about the page under compilation

getCompilationContext

public JspCompilationContext getCompilationContext()

removeGeneratedFiles

public void removeGeneratedFiles()

Remove generated files

removeGeneratedClassFiles

public void removeGeneratedClassFiles()