io.micronaut.annotation.processing.test

Class JavaParser

java.lang.Object

io.micronaut.annotation.processing.test.JavaParser

All Implemented Interfaces:

Closeable, AutoCloseable

public class JavaParser
extends Object
implements Closeable

Utility for parsing Java code. NOTE: Forked from Google Compile Testing Project

Since:

1.1

Author:

graemerocher

Constructor Summary

Constructors

Constructor and Description
JavaParser() Default constructor.

Method Summary

Modifier and Type	Method and Description
void	close()
Iterable<? extends JavaFileObject>	generate(JavaFileObject... sources) Parses sources into com.sun.source.tree.CompilationUnitTree units.
Iterable<? extends JavaFileObject>	generate(String className, String code) Parses sources into com.sun.source.tree.CompilationUnitTree units.
protected AggregatingTypeElementVisitorProcessor	getAggregatingTypeElementVisitorProcessor() The type element visitor processor to use.
protected List<Processor>	getAnnotationProcessors() The list of processors to use.
protected BeanDefinitionInjectProcessor	getBeanDefinitionInjectProcessor() The BeanDefinitionInjectProcessor to use.
JavaCompiler	getCompiler()
JavaFileManager	getFileManager()
Filer	getFiler()
JavacTask	getJavacTask(JavaFileObject... sources) gets the javac task.
Optional<JavacTask>	getLastTask()
ProcessingEnvironment	getProcessingEnv()
protected TypeElementVisitorProcessor	getTypeElementVisitorProcessor() The type element visitor processor to use.
Iterable<? extends Element>	parse(JavaFileObject... sources) Parses sources into com.sun.source.tree.CompilationUnitTree units.
Iterable<? extends Element>	parseLines(String className, String... lines) Parses sources into compilation units.
Reader	readGenerated(String filePath, String className, String code) Reads the contents of a generated file as a reader.

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaParser

public JavaParser()

Default constructor.

Method Detail

getCompiler

public JavaCompiler getCompiler()

Returns:

The compiler used

getFileManager

public JavaFileManager getFileManager()

Returns:

The file manager

getFiler

public Filer getFiler()

Returns:

The filer

getProcessingEnv

public ProcessingEnvironment getProcessingEnv()

Returns:

Dummy processing environment

parseLines

public Iterable<? extends Element> parseLines(String className,
                                              String... lines)

Parses sources into compilation units. This method does not compile the sources.

Parameters:

className - The class name

lines - The lines to parse

Returns:

The elements

parse

public Iterable<? extends Element> parse(JavaFileObject... sources)

Parses sources into com.sun.source.tree.CompilationUnitTree units. This method does not compile the sources.

Parameters:

sources - The sources

Returns:

The elements

getLastTask

public Optional<JavacTask> getLastTask()

Returns:

The last task that was used

getJavacTask

public JavacTask getJavacTask(JavaFileObject... sources)

gets the javac task.

Parameters:

sources - The sources

Returns:

the task

generate

public Iterable<? extends JavaFileObject> generate(String className,
                                                   String code)

Parses sources into com.sun.source.tree.CompilationUnitTree units. This method does not compile the sources.

Parameters:

className - The class name

code - the raw code

Returns:

The generated file objects

readGenerated

@Nullable
public Reader readGenerated(@NonNull
                                      String filePath,
                                      String className,
                                      String code)
                               throws IOException

Reads the contents of a generated file as a reader.

Parameters:

filePath - The file path

className - The class name that produces the file

code - The code of the class

Returns:

The generated file

Throws:

IOException - when an error occurs reading the file

generate

public Iterable<? extends JavaFileObject> generate(JavaFileObject... sources)

Parses sources into com.sun.source.tree.CompilationUnitTree units. This method does not compile the sources.

Parameters:

sources - The sources

Returns:

The java file objects

getAnnotationProcessors

@NonNull
protected List<Processor> getAnnotationProcessors()

The list of processors to use.

Returns:

The processor list

getBeanDefinitionInjectProcessor

@NonNull
protected BeanDefinitionInjectProcessor getBeanDefinitionInjectProcessor()

The BeanDefinitionInjectProcessor to use.

Returns:

The BeanDefinitionInjectProcessor

getTypeElementVisitorProcessor

@NonNull
protected TypeElementVisitorProcessor getTypeElementVisitorProcessor()

The type element visitor processor to use.

Returns:

The type element visitor processor

getAggregatingTypeElementVisitorProcessor

@NonNull
protected AggregatingTypeElementVisitorProcessor getAggregatingTypeElementVisitorProcessor()

The type element visitor processor to use.

Returns:

The type element visitor processor

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable