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Java Source Code / Java Documentation » Scripting » jacl » org.codehaus.janino

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.codehaus.janino .Cookable

org.codehaus.janino .SimpleCompiler

All known Subclasses:   org.codehaus.janino .ClassBodyEvaluator,
SimpleCompiler
public class SimpleCompiler extends Cookable (Code)
A simplified version of Compiler that can compile only a single compilation unit. (A "compilation unit" is the characters stored in a ".java" file.)
Opposed to a normal ".java" file, you can declare multiple public classes here.
To set up a SimpleCompiler object, proceed as follows:

Create the SimpleCompiler using SimpleCompiler.SimpleCompiler()
Optionally set an alternate parent class loader through SimpleCompiler.setParentClassLoader(ClassLoader) .
Call any of the org.codehaus.janino.Cookable.cook(Scanner) methods to scan, parse, compile and load the compilation unit into the JVM.
Alternatively, a number of "convenience constructors" exist that execute the steps described above instantly.

Field Summary
IClassLoader icloader

boolean noloadSimpleCompiler
     This SimpleCompiler implementation is used when compiling Java source code stored in a String value.

Constructor Summary
public SimpleCompiler(String optionalFileName, Reader in)

public SimpleCompiler(String optionalFileName, InputStream is)

public SimpleCompiler(String fileName)

public SimpleCompiler(Scanner scanner, ClassLoader optionalParentClassLoader)

public SimpleCompiler()

public SimpleCompiler(boolean noload)


Method Summary
protected Java.Type classToType(Location location, Class optionalClass)
     Wrap a reflection Class in a Java.Type object.
protected Java.Type[] classesToTypes(Location location, Class[] classes)
     Convert an array of Class es into an array of Java.Type s.
public ClassFile[] compile(String javasrc)

protected ClassLoader compileToClassLoader(Java.CompilationUnit compilationUnit, EnumeratorSet debuggingInformation)
     Compile the given compilation unit.
public boolean equals(Object o)
     Two SimpleCompiler s are regarded equal iff

Both are objects of the same class (e.g.
public ClassLoader getClassLoader()
     Returns a ClassLoader object through which the previously compiled classes can be accessed.
public int hashCode()

protected void internalCook(Scanner scanner)
     Parse tokens delivered by the scanner, compile them and load them into the JVM.
public static void main(String[] args)

public void setParentClassLoader(ClassLoader optionalParentClassLoader)
     The "parent class loader" is used to load referenced classes.

Field Detail
icloader
IClassLoader icloader(Code)

noloadSimpleCompiler
boolean noloadSimpleCompiler(Code)
This SimpleCompiler implementation is used when compiling Java source code stored in a String value. The SimpleCompiler object is created once and the CLASSPATH is setup. Then the compile() method is invoked 1 or more times to compile Java class source contained in a String object. Unlike the other implementations, this version of the SimpleCompiler will not attempt to load the compiled class data into the current thread using the class loader. This implementation will just compile the source code into an array of ClassFile objects.

Constructor Detail
SimpleCompiler
public SimpleCompiler(String optionalFileName, Reader in) throws IOException, Scanner.ScanException, Parser.ParseException, CompileException(Code)
Equivalent to
SimpleCompiler sc = new SimpleCompiler(); sc.cook(optionalFileName, in);

See Also:   SimpleCompiler.SimpleCompiler()
See Also:   Cookable.cook(StringReader)

SimpleCompiler
public SimpleCompiler(String optionalFileName, InputStream is) throws IOException, Scanner.ScanException, Parser.ParseException, CompileException(Code)
Equivalent to
SimpleCompiler sc = new SimpleCompiler(); sc.cook(optionalFileName, is);

See Also:   SimpleCompiler.SimpleCompiler()
See Also:   Cookable.cook(StringInputStream)

SimpleCompiler
public SimpleCompiler(String fileName) throws IOException, Scanner.ScanException, Parser.ParseException, CompileException(Code)
Equivalent to
SimpleCompiler sc = new SimpleCompiler(); sc.cook(fileName);

See Also:   SimpleCompiler.SimpleCompiler()
See Also:   Cookable.cookFile(String)

SimpleCompiler
public SimpleCompiler(Scanner scanner, ClassLoader optionalParentClassLoader) throws IOException, Scanner.ScanException, Parser.ParseException, CompileException(Code)
Equivalent to
SimpleCompiler sc = new SimpleCompiler(); sc.setParentClassLoader(optionalParentClassLoader); sc.cook(scanner);

See Also:   SimpleCompiler.SimpleCompiler()
See Also:   SimpleCompiler.setParentClassLoader(ClassLoader)
See Also:   Cookable.cook(Scanner)

SimpleCompiler
public SimpleCompiler()(Code)

SimpleCompiler
public SimpleCompiler(boolean noload)(Code)

Method Detail
classToType
protected Java.Type classToType(Location location, Class optionalClass)(Code)
Wrap a reflection Class in a Java.Type object.

classesToTypes
protected Java.Type[] classesToTypes(Location location, Class[] classes)(Code)
Convert an array of Class es into an array of Java.Type s.

compile
public ClassFile[] compile(String javasrc)(Code)

compileToClassLoader
protected ClassLoader compileToClassLoader(Java.CompilationUnit compilationUnit, EnumeratorSet debuggingInformation) throws CompileException(Code)
Compile the given compilation unit. (A "compilation unit" is typically the contents of a Java^TM source file.)
Parameters:
  compilationUnit - The parsed compilation unit
Parameters:
  debuggingInformation - What kind of debugging information to generate in the class file The ClassLoader into which the compiled classes were defined
throws:
  CompileException -

equals
public boolean equals(Object o)(Code)
Two SimpleCompiler s are regarded equal iff

Both are objects of the same class (e.g. both are ScriptEvaluator s)
Both generated functionally equal classes as seen by ByteArrayClassLoader.equals(Object)

getClassLoader
public ClassLoader getClassLoader()(Code)
Returns a ClassLoader object through which the previously compiled classes can be accessed. This ClassLoader can be used for subsequent calls to SimpleCompiler.SimpleCompiler(Scanner,ClassLoader) in order to compile compilation units that use types (e.g. declare derived types) declared in the previous one.
This method must only be called after SimpleCompiler.cook(Scanner) .
This method must not be called for instances of derived classes.

hashCode
public int hashCode()(Code)

internalCook
protected void internalCook(Scanner scanner) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)
Parse tokens delivered by the scanner, compile them and load them into the JVM.
This method must be called exactly once.

main
public static void main(String[] args) throws Exception(Code)

setParentClassLoader
public void setParentClassLoader(ClassLoader optionalParentClassLoader)(Code)
The "parent class loader" is used to load referenced classes. It defaults to the current thread's "context class loader".

Methods inherited from org.codehaus.janino.Cookable
final public void cook(Scanner scanner) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(Reader r) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(String optionalFileName, Reader r) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(InputStream is) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(String optionalFileName, InputStream is) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(InputStream is, String optionalEncoding) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(String optionalFileName, InputStream is, String optionalEncoding) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cook(String s) throws CompileException, Parser.ParseException, Scanner.ScanException(Code)(Java Doc)
final public void cookFile(File file) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cookFile(File file, String optionalEncoding) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cookFile(String fileName) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
final public void cookFile(String fileName, String optionalEncoding) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)
abstract protected void internalCook(Scanner scanner) throws CompileException, Parser.ParseException, Scanner.ScanException, IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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