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## 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
`protected JspCompilationContext` | `ctxt`
`protected Options` | `options`
`protected Node.Nodes` | `pageNodes`
`protected org.apache.tools.ant.Project` | `project`

Constructor Summary
`Compiler(JspCompilationContext ctxt)`
`Compiler(JspCompilationContext ctxt, JspServletWrapper jsw)`

Method Summary
`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()

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Copyright © 2000 Apache Software Foundation. All Rights Reserved.