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java.lang.Objectnet.sourceforge.pmd.util.filter.Filters
public class Filters
Utility class for working with Filters. Contains builder style methods, apply methods, as well as mechanisms for adapting Filters and FilenameFilters.
Constructor Summary | |
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Filters()
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Method Summary | ||
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static Filter<java.lang.String> |
buildRegexFilterExcludeOverInclude(java.util.List<java.lang.String> includeRegexes,
java.util.List<java.lang.String> excludeRegexes)
Construct a String Filter using set of include and exclude regular expressions. |
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static Filter<java.lang.String> |
buildRegexFilterIncludeOverExclude(java.util.List<java.lang.String> includeRegexes,
java.util.List<java.lang.String> excludeRegexes)
Construct a String Filter using set of include and exclude regular expressions. |
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static
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filter(Filter<T> filter,
java.util.Collection<T> collection)
Filter a given Collection. |
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static
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fromStringFilter(Filter<java.lang.String> filter)
Given a String Filter, expose as a Filter on another type. |
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static Filter<java.io.File> |
getDirectoryFilter()
Get a File Filter for directories. |
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static Filter<java.io.File> |
getFileExtensionFilter(java.lang.String... extensions)
Get a File Filter for files with the given extensions, ignoring case. |
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static Filter<java.io.File> |
getFileExtensionOrDirectoryFilter(java.lang.String... extensions)
Get a File Filter for directories or for files with the given extensions, ignoring case. |
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static Filter<java.io.File> |
toFileFilter(java.io.FilenameFilter filter)
Given a FilenameFilter, expose as a File Filter. |
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static java.io.FilenameFilter |
toFilenameFilter(Filter<java.io.File> filter)
Given a File Filter, expose as a FilenameFilter. |
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static Filter<java.io.File> |
toNormalizedFileFilter(Filter<java.lang.String> filter)
Given a String Filter, expose as a File Filter. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Filters()
Method Detail |
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public static <T> java.util.List<T> filter(Filter<T> filter, java.util.Collection<T> collection)
T
- Type of the Collection.filter
- A Filter upon the Type of objects in the Collection.collection
- The Collection to filter.
true
.public static Filter<java.io.File> getFileExtensionFilter(java.lang.String... extensions)
extensions
- The extensions to filter.
public static Filter<java.io.File> getDirectoryFilter()
public static Filter<java.io.File> getFileExtensionOrDirectoryFilter(java.lang.String... extensions)
extensions
- The extensions to filter.
public static Filter<java.io.File> toNormalizedFileFilter(Filter<java.lang.String> filter)
/
as a path separator
which can be used cross platform easily in a regular expression based
String Filter.
filter
- A String Filter.
public static <T> Filter<T> fromStringFilter(Filter<java.lang.String> filter)
toString()
method is called on the objects of the other
type and delegated to the String Filter.
T
- The desired type.filter
- The existing String Filter.
public static java.io.FilenameFilter toFilenameFilter(Filter<java.io.File> filter)
filter
- The File Filter.
public static Filter<java.io.File> toFileFilter(java.io.FilenameFilter filter)
filter
- The FilenameFilter.
public static Filter<java.lang.String> buildRegexFilterExcludeOverInclude(java.util.List<java.lang.String> includeRegexes, java.util.List<java.lang.String> excludeRegexes)
In other words, exclude patterns override include patterns.
includeRegexes
- The include regular expressions. May be null
.excludeRegexes
- The exclude regular expressions. May be null
.
public static Filter<java.lang.String> buildRegexFilterIncludeOverExclude(java.util.List<java.lang.String> includeRegexes, java.util.List<java.lang.String> excludeRegexes)
In other words, include patterns override exclude patterns.
includeRegexes
- The include regular expressions. May be null
.excludeRegexes
- The exclude regular expressions. May be null
.
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