Package org.apache.jasper.compiler
Class Compiler
- java.lang.Object
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- org.apache.jasper.compiler.Compiler
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public class Compiler extends java.lang.Object
Main JSP compiler class.
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Field Summary
Fields Modifier and Type Field Description protected JspCompilationContext
ctxt
private ErrorDispatcher
errDispatcher
private JavaCompiler
javaCompiler
private boolean
javaCompilerOptionsSet
private boolean
jspcMode
private long
jspModTime
private JspServletWrapper
jsw
private java.util.logging.Logger
log
private Options
options
private PageInfo
pageInfo
private Node.Nodes
pageNodes
private SmapUtil
smapUtil
private static java.lang.String[]
systemJars
private static java.lang.String[]
systemJsfJars
private TagFileProcessor
tfp
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Constructor Summary
Constructors Constructor Description Compiler(JspCompilationContext ctxt, JspServletWrapper jsw)
Compiler(JspCompilationContext ctxt, JspServletWrapper jsw, boolean jspcMode)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
compile(boolean compileClass)
Compile the jsp file from the current engine context.private void
generateClass()
Compile the servlet from .java file to .class fileprivate void
generateJava()
Compile the jsp file into equivalent servlet in java sourceprivate java.lang.Class
getClassFor(java.lang.String className)
JspCompilationContext
getCompilationContext()
ErrorDispatcher
getErrorDispatcher()
Gets the error dispatcher.PageInfo
getPageInfo()
Gets the info about the page under compilationprivate void
initJavaCompiler()
Get an instance of JavaCompiler.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 filesprivate void
setJavaCompilerOptions()
void
setPageInfo(PageInfo pageInfo)
Sets the info about the page under compilationprivate boolean
systemJarInWebinf(java.lang.String path)
Return true if the path refers to a jar file in WEB-INF and is a system jar.
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Field Detail
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ctxt
protected JspCompilationContext ctxt
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errDispatcher
private ErrorDispatcher errDispatcher
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pageInfo
private PageInfo pageInfo
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jsw
private JspServletWrapper jsw
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tfp
private TagFileProcessor tfp
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javaCompiler
private JavaCompiler javaCompiler
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log
private java.util.logging.Logger log
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jspcMode
private boolean jspcMode
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smapUtil
private SmapUtil smapUtil
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options
private Options options
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pageNodes
private Node.Nodes pageNodes
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jspModTime
private long jspModTime
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javaCompilerOptionsSet
private boolean javaCompilerOptionsSet
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systemJars
private static java.lang.String[] systemJars
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systemJsfJars
private static java.lang.String[] systemJsfJars
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Constructor Detail
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Compiler
public Compiler(JspCompilationContext ctxt, JspServletWrapper jsw)
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Compiler
public Compiler(JspCompilationContext ctxt, JspServletWrapper jsw, boolean jspcMode) throws JasperException
- Throws:
JasperException
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Method Detail
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generateJava
private void generateJava() throws java.lang.Exception
Compile the jsp file into equivalent servlet in java source- Throws:
java.lang.Exception
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setJavaCompilerOptions
private void setJavaCompilerOptions()
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generateClass
private void generateClass() throws java.io.FileNotFoundException, JasperException, java.lang.Exception
Compile the servlet from .java file to .class file- Throws:
java.io.FileNotFoundException
JasperException
java.lang.Exception
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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
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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.
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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.
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getErrorDispatcher
public ErrorDispatcher getErrorDispatcher()
Gets the error dispatcher.
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getPageInfo
public PageInfo getPageInfo()
Gets the info about the page under compilation
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setPageInfo
public void setPageInfo(PageInfo pageInfo)
Sets the info about the page under compilation
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getCompilationContext
public JspCompilationContext getCompilationContext()
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removeGeneratedFiles
public void removeGeneratedFiles()
Remove generated files
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removeGeneratedClassFiles
public void removeGeneratedClassFiles()
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initJavaCompiler
private void initJavaCompiler() throws JasperException
Get an instance of JavaCompiler. If a compiler is specified in Options, use that, else if Running with JDK 6, use a Jsr199JavaCompiler that supports JSR199, else if eclipse's JDT compiler is available, use that. The default is to use javac from ant.- Throws:
JasperException
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getClassFor
private java.lang.Class getClassFor(java.lang.String className)
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systemJarInWebinf
private boolean systemJarInWebinf(java.lang.String path)
Return true if the path refers to a jar file in WEB-INF and is a system jar.
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