PackageHelperImpl (groovy 3.0.0 API)

Summary:
Field
Property
Constructor
Method

org.codehaus.groovy.tools.shell.util.PackageHelperImpl

All Implemented Interfaces and Traits:

PackageHelper, PreferenceChangeListener
```
@CompileStaticCompileStatic
@DeprecatedDeprecated
class PackageHelperImpl
extends Object
```
Helper class that crawls all items of the classpath for packages. Retrieves from those sources the list of subpackages and classes on demand.

Field Summary

Fields
Modifiers	Name	Description
`protected static Logger`	`LOG`
`static Pattern`	`NAME_PATTERN`

Properties Summary

Properties
Type	Name and description
`private ClassLoader`	`groovyClassLoader`
`private Map`	`rootPackages`

Constructor Summary

Constructors
Constructor and description
`PackageHelperImpl (ClassLoader groovyClassLoader)`
`PackageHelperImpl ()`

Methods Summary

Methods
Type Params	Return Type	Name and description
	`static Collection`	`collectPackageNamesFromFolderRecursive(File directory, String prefix, Set packnames)` Crawls a folder, iterates over subfolders, looking for class files.
	`static Set`	`getClassnames(Set urls, String packagename)` Copied from JLine 1.0 ClassNameCompletor
	`Set`	`getContents(String packagename)` returns the names of Classes and direct subpackages contained in a package
	`static Collection`	`getPackageNames(URL url)` Returns all packagenames found at URL, accepts jar files and folders
	`static Collection`	`getPackageNamesFromJar(JarFile jf)`
	`static Object`	`mergeNewPackages(Collection packageNames, URL url, Map rootPackages)`
	`void`	`preferenceChange(PreferenceChangeEvent evt)`
	`void`	`reset()`

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class Object`	`wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll`

- Field Detail
  - protected static final Logger LOG
  - public static final Pattern NAME_PATTERN
- Property Detail
  - private final ClassLoader groovyClassLoader
  - private Map rootPackages
- Constructor Detail
  - PackageHelperImpl(ClassLoader groovyClassLoader)
  - PackageHelperImpl()
- Method Detail
  - static Collection collectPackageNamesFromFolderRecursive(File directory, String prefix, Set packnames)
    
    Crawls a folder, iterates over subfolders, looking for class files.
    Returns:
    Parameters:
    directory
    prefix
    packnames
  - static Set getClassnames(Set urls, String packagename)
    
    Copied from JLine 1.0 ClassNameCompletor
    Returns:
    Parameters:
    urls
    packagename
  - @CompileStaticCompileStatic Set getContents(String packagename)
    
    returns the names of Classes and direct subpackages contained in a package
    Returns:
    Parameters:
    packagename
  - static Collection getPackageNames(URL url)
    
    Returns all packagenames found at URL, accepts jar files and folders
    Returns:
    Parameters:
    url
  - static Collection getPackageNamesFromJar(JarFile jf)
  - static Object mergeNewPackages(Collection packageNames, URL url, Map rootPackages)
  - @OverrideOverride void preferenceChange(PreferenceChangeEvent evt)
  - void reset()

Summary:
Field
Property
Constructor
Method

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