PackageHelperImpl (groovy 3.0.22 API)

Summary:
Field
Property
Constructor
Method

org.apache.groovy.groovysh.util.PackageHelperImpl

All Implemented Interfaces and Traits:

PackageHelper, PreferenceChangeListener
```
@AutoFinal
@CompileStatic
class PackageHelperImpl
extends Object
implements PackageHelper, PreferenceChangeListener
```
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`	Pattern for regular class names.

Properties Summary

Properties
Type	Name and description
`ClassLoader`	`groovyClassLoader`
`Map<String, CachedPackage>`	`rootPackages`

Constructor Summary

Constructors
Constructor and description
`PackageHelperImpl (ClassLoader groovyClassLoader)`

Methods Summary

Methods
Type Params	Return Type	Name and description
	`static Collection<String>`	`collectPackageNamesFromFolderRecursive(File directory, String prefix, Set<String> packnames)` Crawls a folder, iterates over subfolders, looking for class files.
	`static Set<String>`	`getClassnames(Set<URL> urls, String packagename)` Copied from JLine 1.0 ClassNameCompletor.
	`Set<String>`	`getContents(String packagename)` Returns the names of Classes and direct subpackages contained in a package.
	`static Collection<String>`	`getPackageNames(URL url)` Returns all package names found at URL; accepts jar files and folders.
	`static Collection<String>`	`getPackageNamesFromJar(JarFile jf)`
	`static Object`	`mergeNewPackages(Collection<String> packageNames, URL url, Map<String, CachedPackage> 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
    
    Pattern for regular class names.
- Property Detail
  - final ClassLoader groovyClassLoader
  - Map<String, CachedPackage> rootPackages
- Constructor Detail
  - PackageHelperImpl(ClassLoader groovyClassLoader)
- Method Detail
  - static Collection<String> collectPackageNamesFromFolderRecursive(File directory, String prefix, Set<String> packnames)
    
    Crawls a folder, iterates over subfolders, looking for class files.
  - static Set<String> getClassnames(Set<URL> urls, String packagename)
    
    Copied from JLine 1.0 ClassNameCompletor.
  - @Override Set<String> getContents(String packagename)
    
    Returns the names of Classes and direct subpackages contained in a package.
  - static Collection<String> getPackageNames(URL url)
    
    Returns all package names found at URL; accepts jar files and folders.
  - static Collection<String> getPackageNamesFromJar(JarFile jf)
  - static Object mergeNewPackages(Collection<String> packageNames, URL url, Map<String, CachedPackage> rootPackages)
  - @Override void preferenceChange(PreferenceChangeEvent evt)
  - @Override void reset()

Summary:
Field
Property
Constructor
Method

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