Package org.apache.tools.ant.types

# Class ArchiveScanner

java.lang.Object
org.apache.tools.ant.DirectoryScanner
org.apache.tools.ant.types.ArchiveScanner

All Implemented Interfaces:
  `FileScanner`, `ResourceFactory`, `SelectorScanner`

Direct Known Subclasses:
  `TarScanner`, `ZipScanner`

public abstract class ArchiveScanner extends DirectoryScanner
ArchiveScanner accesses the pattern matching algorithm in DirectoryScanner, which are protected methods that can only be accessed by subclassing. This implementation of FileScanner defines getIncludedFiles to return the matching archive entries.

Since:
  Ant 1.7

## Field Summary

Fields
Modifier and Type
Field
Description
`protected File`
`srcFile`
The archive file which should be scanned.

### Fields inherited from class org.apache.tools.ant.DirectoryScanner

`basedir, DEFAULTEXCLUDES, dirsDeselected, dirsExcluded, dirsIncluded, dirsNotIncluded, DOES_NOT_EXIST_POSTFIX, errorOnMissingDir, everythingIncluded, excludes, filesDeselected, filesExcluded, filesIncluded, filesNotIncluded, haveSlowResults, includes, isCaseSensitive, MAX_LEVELS_OF_SYMLINKS, selectors`

## Constructor Summary

Constructors
Constructor
Description
`ArchiveScanner()`

## Method Summary

Modifier and Type
Method
Description
`protected abstract void`
`fillMapsFromArchive(Resource archive, String encoding, Map<String,Resource> fileEntries, Map<String,Resource> matchFileEntries, Map<String,Resource> dirEntries, Map<String,Resource> matchDirEntries)`
Fills the file and directory maps with resources read from the archive.
`String[]`
`getIncludedDirectories()`
Returns the names of the directories which matched at least one of the include patterns and none of the exclude patterns.
`int`
`getIncludedDirsCount()`
Override parent implementation.
`String[]`
`getIncludedFiles()`
Returns the names of the files which matched at least one of the include patterns and none of the exclude patterns.
`int`
`getIncludedFilesCount()`
Override parent implementation.
`Resource`
`getResource(String name)`
Get the named Resource.
`void`
`init()`
Initialize DirectoryScanner data structures.
`boolean`
`match(String path)`
Matches a jar entry against the includes/excludes list, normalizing the path separator.
`void`
`scan()`
Don't scan when we have no zipfile.
`void`
`setEncoding(String encoding)`
Sets encoding of file names.
`void`
`setErrorOnMissingArchive(boolean errorOnMissingArchive)`
Sets whether an error is thrown if an archive does not exist.
`void`
`setSrc(File srcFile)`
Sets the srcFile for scanning.
`void`
`setSrc(Resource src)`
Sets the src for scanning.
`protected static final String`
`trimSeparator(String s)`
Remove trailing slash if present.

### Methods inherited from class org.apache.tools.ant.DirectoryScanner

`addDefaultExclude, addDefaultExcludes, addExcludes, clearResults, couldHoldIncluded, getBasedir, getDefaultExcludes, getDeselectedDirectories, getDeselectedFiles, getExcludedDirectories, getExcludedFiles, getNotFollowedSymlinks, getNotIncludedDirectories, getNotIncludedFiles, isCaseSensitive, isEverythingIncluded, isExcluded, isFollowSymlinks, isIncluded, isSelected, match, match, matchPath, matchPath, matchPatternStart, matchPatternStart, removeDefaultExclude, resetDefaultExcludes, scandir, setBasedir, setBasedir, setCaseSensitive, setErrorOnMissingDir, setExcludes, setFollowSymlinks, setIncludes, setMaxLevelsOfSymlinks, setSelectors, slowScan`

### Methods inherited from class java.lang.Object

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

## Field Details

### srcFile

protected File srcFile
The archive file which should be scanned.

## Constructor Details

### ArchiveScanner

public ArchiveScanner()

## Method Details

### setErrorOnMissingArchive

public void setErrorOnMissingArchive(boolean errorOnMissingArchive)
Sets whether an error is thrown if an archive does not exist.

Parameters:
  `errorOnMissingArchive` - true if missing archives cause errors, false if not.
Since:
  Ant 1.8.0

### scan

public void scan()
Don't scan when we have no zipfile.

Specified by:
  `scan` in interface `FileScanner`
Overrides:
  `scan` in class `DirectoryScanner`
Since:
  Ant 1.7

### setSrc

public void setSrc(File srcFile)
Sets the srcFile for scanning. This is the jar or zip file that is scanned for matching entries.

Parameters:
  `srcFile` - the (non-null) archive file name for scanning

### setSrc

public void setSrc(Resource src)
Sets the src for scanning. This is the jar or zip file that is scanned for matching entries.

Parameters:
  `src` - the (non-null) archive resource

### setEncoding

public void setEncoding(String encoding)
Sets encoding of file names.

Parameters:
  `encoding` - the encoding format
Since:
  Ant 1.6

### getIncludedFiles

public String[] getIncludedFiles()
Returns the names of the files which matched at least one of the include patterns and none of the exclude patterns. The names are relative to the base directory.

Specified by:
  `getIncludedFiles` in interface `FileScanner`
Overrides:
  `getIncludedFiles` in class `DirectoryScanner`
Returns:
  the names of the files which matched at least one of the include patterns and none of the exclude patterns.

### getIncludedFilesCount

public int getIncludedFilesCount()
Override parent implementation.

Overrides:
  `getIncludedFilesCount` in class `DirectoryScanner`
Returns:
  count of included files.
Since:
  Ant 1.7

### getIncludedDirectories

public String[] getIncludedDirectories()
Returns the names of the directories which matched at least one of the include patterns and none of the exclude patterns. The names are relative to the base directory.

Specified by:
  `getIncludedDirectories` in interface `FileScanner`
Overrides:
  `getIncludedDirectories` in class `DirectoryScanner`
Returns:
  the names of the directories which matched at least one of the include patterns and none of the exclude patterns.

### getIncludedDirsCount

public int getIncludedDirsCount()
Override parent implementation.

Overrides:
  `getIncludedDirsCount` in class `DirectoryScanner`
Returns:
  count of included directories.
Since:
  Ant 1.7

### init

public void init()
Initialize DirectoryScanner data structures.

### match

public boolean match(String path)
Matches a jar entry against the includes/excludes list, normalizing the path separator.

Parameters:
  `path` - the (non-null) path name to test for inclusion
Returns:
  `true` if the path should be included `false` otherwise.

### getResource

public Resource getResource(String name)
Get the named Resource.

Specified by:
  `getResource` in interface `ResourceFactory`
Overrides:
  `getResource` in class `DirectoryScanner`
Parameters:
  `name` - path name of the file sought in the archive
Returns:
  the resource
Since:
  Ant 1.5.2

### fillMapsFromArchive

protected abstract void fillMapsFromArchive(Resource archive, String encoding, Map<String,Resource> fileEntries, Map<String,Resource> matchFileEntries, Map<String,Resource> dirEntries, Map<String,Resource> matchDirEntries)
Fills the file and directory maps with resources read from the archive.

Parameters:
  `archive` - the archive to scan.
  `encoding` - encoding used to encode file names inside the archive.
  `fileEntries` - Map (name to resource) of non-directory resources found inside the archive.
  `matchFileEntries` - Map (name to resource) of non-directory resources found inside the archive that matched all include patterns and didn't match any exclude patterns.
  `dirEntries` - Map (name to resource) of directory resources found inside the archive.
  `matchDirEntries` - Map (name to resource) of directory resources found inside the archive that matched all include patterns and didn't match any exclude patterns.

### trimSeparator

protected static final String trimSeparator(String s)
Remove trailing slash if present.

Parameters:
  `s` - the file name to trim.
Returns:
  the trimmed file name.