org.apache.cocoon.components.language.programming.java
Class AbstractJavaCompiler

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.components.language.programming.java.AbstractJavaCompiler

All Implemented Interfaces:

Poolable, Recyclable, Component, LogEnabled, LanguageCompiler

Direct Known Subclasses:

Javac, Jikes

public abstract class AbstractJavaCompiler
extends AbstractLogEnabled
implements LanguageCompiler, Recyclable

This class implements the functionality common to all Java compilers.

Since:

2.0

Version:

CVS $Id: AbstractJavaCompiler.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Stefano Mazzocchi

Field Summary

protected String	classpath The classpath to be used for compilation
protected int	compilerComplianceLevel The version of the JVM for wich the code was written.
protected String	destDir The name of the directory to contain the resulting object program file
protected String	encoding The encoding of the source program or null to use the platform's default encoding
protected InputStream	errors The input stream to output compilation errors
protected String	file The source program filename
protected String	srcDir The name of the directory containing the source program file

Constructor Summary

AbstractJavaCompiler()

Method Summary

protected List	fillArguments(List arguments) Fill the arguments taken by the Java compiler
List	getErrors() Return the list of errors generated by this compilation
protected abstract List	parseStream(BufferedReader errors) Parse the compiler error stream to produce a list of CompilerErrors
void	recycle() Reset all internal state.
void	setClasspath(String classpath) Set the classpath to be used for this compilation
void	setCompilerComplianceLevel(int compilerComplianceLevel) Set the version of the java source code to be compiled
void	setDestination(String destDir) Set the name of the directory to contain the resulting object program file
void	setEncoding(String encoding) Set the encoding of the input source file or null to use the platform's default encoding
void	setFile(String file) Set the name of the file containing the source program
void	setSource(String srcDir) Set the name of the directory containing the source program file
protected String[]	toStringArray(List arguments) Copy arguments to a string array

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cocoon.components.language.programming.LanguageCompiler

compile

Field Detail

file

protected String file

The source program filename

srcDir

protected String srcDir

The name of the directory containing the source program file

destDir

protected String destDir

The name of the directory to contain the resulting object program file

classpath

protected String classpath

The classpath to be used for compilation

encoding

protected String encoding

The encoding of the source program or null to use the platform's default encoding

compilerComplianceLevel

protected int compilerComplianceLevel

The version of the JVM for wich the code was written. i.e: 130 = Java 1.3, 140 = Java 1.4 and 150 = Java 1.5

errors

protected InputStream errors

The input stream to output compilation errors

Constructor Detail

AbstractJavaCompiler

public AbstractJavaCompiler()

Method Detail

setFile

public void setFile(String file)

Set the name of the file containing the source program

Specified by:

setFile in interface LanguageCompiler

Parameters:

file - The name of the file containing the source program

setSource

public void setSource(String srcDir)

Set the name of the directory containing the source program file

Specified by:

setSource in interface LanguageCompiler

Parameters:

srcDir - The name of the directory containing the source program file

setDestination

public void setDestination(String destDir)

Set the name of the directory to contain the resulting object program file

Specified by:

setDestination in interface LanguageCompiler

Parameters:

destDir - The name of the directory to contain the resulting object program file

setClasspath

public void setClasspath(String classpath)

Set the classpath to be used for this compilation

Specified by:

setClasspath in interface LanguageCompiler

Parameters:

classpath - The classpath to be used for this compilation

setEncoding

public void setEncoding(String encoding)

Set the encoding of the input source file or null to use the platform's default encoding

Specified by:

setEncoding in interface LanguageCompiler

Parameters:

encoding - The encoding of the input source file or null to use the platform's default encoding

setCompilerComplianceLevel

public void setCompilerComplianceLevel(int compilerComplianceLevel)

Set the version of the java source code to be compiled

Specified by:

setCompilerComplianceLevel in interface LanguageCompiler

Parameters:

compilerComplianceLevel - The version of the JVM for wich the code was written. i.e: 130 = Java 1.3, 140 = Java 1.4 and 150 = Java 1.5

Since:

2.1.7

getErrors

public List getErrors()
               throws IOException

Return the list of errors generated by this compilation

Specified by:

getErrors in interface LanguageCompiler

Returns:

The list of errors generated by this compilation

Throws:

IOException - If an error occurs during message collection

parseStream

protected abstract List parseStream(BufferedReader errors)
                             throws IOException

Parse the compiler error stream to produce a list of CompilerErrors

Parameters:

errors - The error stream

Returns:

The list of compiler error messages

Throws:

IOException - If an error occurs during message collection

fillArguments

protected List fillArguments(List arguments)

Fill the arguments taken by the Java compiler

Parameters:

arguments - The list of compilation arguments

Returns:

The prepared list of compilation arguments

toStringArray

protected String[] toStringArray(List arguments)

Copy arguments to a string array

Parameters:

arguments - The compiler arguments

Returns:

A string array containing compilation arguments

recycle

public void recycle()

Reset all internal state. This method is called by the component manager before this component is return to its pool.

Specified by:

recycle in interface Recyclable