Package org.codehaus.gmavenplus.util

Class ClassWrangler

java.lang.Object

org.codehaus.gmavenplus.util.ClassWrangler

public class ClassWrangler
extends Object

Handles getting Groovy classes and version from the specified classpath.

Since:

1.2

Author:

Keegan Witt

Field Summary

Fields

Modifier and Type	Field	Description
protected ClassLoader	classLoader	ClassLoader to use for class wrangling.
protected String	groovyVersion	Cached Groovy version.
protected Boolean	isIndy	Cached whether Groovy supports invokedynamic (indy jar).
protected org.apache.maven.plugin.logging.Log	log	Plugin log.

Constructor Summary

Constructors

Constructor	Description
ClassWrangler(ClassLoader classLoaderForLoading, org.apache.maven.plugin.logging.Log pluginLog)	Creates a new ClassWrangler using the specified ClassLoader.
ClassWrangler(List classpath, org.apache.maven.plugin.logging.Log pluginLog)	Creates a new ClassWrangler using a new ClassLoader, loaded with the items from the specified classpath.

Method Summary

Modifier and Type	Method	Description
ClassLoader	createNewClassLoader(List classpath)	Creates a new ClassLoader with the specified classpath.
Class	getClass(String className)	Gets a class for the given class name.
ClassLoader	getClassLoader()	Returns the classloader used for loading classes.
String	getGroovyJar()	Returns the filename of the Groovy jar on the classpath.
Version	getGroovyVersion()	Gets the version of Groovy used from the classpath.
String	getGroovyVersionString()	Gets the version string of Groovy used from classpath.
protected String	getJarPath()	Returns the path of the Groovy jar on the classpath.
boolean	isGroovyIndy()	Gets whether the version of Groovy on the classpath supports invokedynamic.
void	logGroovyVersion(String goal)	Logs the version of groovy used by this mojo.

Methods inherited from class java.lang.Object

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

Field Detail

groovyVersion

protected String groovyVersion

Cached Groovy version.

isIndy

protected Boolean isIndy

Cached whether Groovy supports invokedynamic (indy jar).

classLoader

protected ClassLoader classLoader

ClassLoader to use for class wrangling.

log

protected org.apache.maven.plugin.logging.Log log

Plugin log.

Constructor Detail

ClassWrangler

public ClassWrangler(ClassLoader classLoaderForLoading,
                     org.apache.maven.plugin.logging.Log pluginLog)

Creates a new ClassWrangler using the specified ClassLoader.

Parameters:

classLoaderForLoading - the ClassLoader to use to load classes

pluginLog - the Maven log to use for logging

ClassWrangler

public ClassWrangler(List classpath,
                     org.apache.maven.plugin.logging.Log pluginLog)
              throws MalformedURLException

Creates a new ClassWrangler using a new ClassLoader, loaded with the items from the specified classpath.

Parameters:

classpath - the classpath to load the new ClassLoader with

pluginLog - the Maven log to use for logging

Throws:

MalformedURLException

Method Detail

getGroovyVersionString

public String getGroovyVersionString()

Gets the version string of Groovy used from classpath.

Returns:

The version string of Groovy used by the project

getGroovyVersion

public Version getGroovyVersion()

Gets the version of Groovy used from the classpath.

Returns:

The version of Groovy used by the project

isGroovyIndy

public boolean isGroovyIndy()

Gets whether the version of Groovy on the classpath supports invokedynamic.

Returns:

true if the version of Groovy uses invokedynamic, false if not or Groovy dependency cannot be found.

getGroovyJar

public String getGroovyJar()

Returns the filename of the Groovy jar on the classpath.

Returns:

the Groovy jar filename

getJarPath

protected String getJarPath()
                     throws ClassNotFoundException

Returns the path of the Groovy jar on the classpath.

Returns:

the path of the Groovy jar

Throws:

ClassNotFoundException - when Groovu couldn't be found on the classpath

logGroovyVersion

public void logGroovyVersion(String goal)

Logs the version of groovy used by this mojo.

Parameters:

goal - The goal to mention in the log statement showing Groovy version

createNewClassLoader

public ClassLoader createNewClassLoader(List classpath)
                                 throws MalformedURLException

Creates a new ClassLoader with the specified classpath.

Parameters:

classpath - the classpath (a list of file path Strings) to include in the new loader

Returns:

the new ClassLoader

Throws:

MalformedURLException - when a classpath element provides a malformed URL

getClass

public Class getClass(String className)
               throws ClassNotFoundException

Gets a class for the given class name.

Parameters:

className - the class name to retrieve the class for

Returns:

the class for the given class name

Throws:

ClassNotFoundException - when a class for the specified class name cannot be found

getClassLoader

public ClassLoader getClassLoader()

Returns the classloader used for loading classes.

Returns:

the classloader used for loading classes