io.micronaut.annotation.processing.test

Class JavaParser

java.lang.Object

io.micronaut.annotation.processing.test.JavaParser

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class JavaParser
extends java.lang.Object
implements java.io.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()
java.lang.Iterable<? extends javax.tools.JavaFileObject>	generate(javax.tools.JavaFileObject... sources) Parses sources into CompilationUnitTree units.
java.lang.Iterable<? extends javax.tools.JavaFileObject>	generate(java.lang.String className, java.lang.String code) Parses sources into CompilationUnitTree units.
protected AggregatingTypeElementVisitorProcessor	getAggregatingTypeElementVisitorProcessor() The type element visitor processor to use.
protected java.util.List<javax.annotation.processing.Processor>	getAnnotationProcessors() The list of processors to use.
protected BeanDefinitionInjectProcessor	getBeanDefinitionInjectProcessor() The BeanDefinitionInjectProcessor to use.
javax.tools.JavaCompiler	getCompiler()
javax.tools.JavaFileManager	getFileManager()
javax.annotation.processing.Filer	getFiler()
com.sun.source.util.JavacTask	getJavacTask(javax.tools.JavaFileObject... sources) gets the javac task.
java.util.Optional<com.sun.source.util.JavacTask>	getLastTask()
javax.annotation.processing.ProcessingEnvironment	getProcessingEnv()
protected TypeElementVisitorProcessor	getTypeElementVisitorProcessor() The type element visitor processor to use.
java.lang.Iterable<? extends javax.lang.model.element.Element>	parse(javax.tools.JavaFileObject... sources) Parses sources into CompilationUnitTree units.
java.lang.Iterable<? extends javax.lang.model.element.Element>	parseLines(java.lang.String className, java.lang.String... lines) Parses sources into compilation units.
java.io.Reader	readGenerated(java.lang.String filePath, java.lang.String className, java.lang.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 javax.tools.JavaCompiler getCompiler()

Returns:

The compiler used

getFileManager

public javax.tools.JavaFileManager getFileManager()

Returns:

The file manager

getFiler

public javax.annotation.processing.Filer getFiler()

Returns:

The filer

getProcessingEnv

public javax.annotation.processing.ProcessingEnvironment getProcessingEnv()

Returns:

Dummy processing environment

parseLines

public java.lang.Iterable<? extends javax.lang.model.element.Element> parseLines(java.lang.String className,
                                                                                 java.lang.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 java.lang.Iterable<? extends javax.lang.model.element.Element> parse(javax.tools.JavaFileObject... sources)

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

Parameters:

sources - The sources

Returns:

The elements

getLastTask

public java.util.Optional<com.sun.source.util.JavacTask> getLastTask()

Returns:

The last task that was used

getJavacTask

public com.sun.source.util.JavacTask getJavacTask(javax.tools.JavaFileObject... sources)

gets the javac task.

Parameters:

sources - The sources

Returns:

the task

generate

public java.lang.Iterable<? extends javax.tools.JavaFileObject> generate(java.lang.String className,
                                                                         java.lang.String code)

Parses sources into 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 java.io.Reader readGenerated(@NonNull
                                              java.lang.String filePath,
                                              java.lang.String className,
                                              java.lang.String code)
                                       throws java.io.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:

java.io.IOException - when an error occurs reading the file

generate

public java.lang.Iterable<? extends javax.tools.JavaFileObject> generate(javax.tools.JavaFileObject... sources)

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

Parameters:

sources - The sources

Returns:

The java file objects

getAnnotationProcessors

@NonNull
protected java.util.List<javax.annotation.processing.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 java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable