org.eclipse.jetty.util

Class MultiReleaseJarFile

java.lang.Object

org.eclipse.jetty.util.MultiReleaseJarFile

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class MultiReleaseJarFile
extends java.lang.Object
implements java.io.Closeable

Utility class to handle a Multi Release Jar file

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MultiReleaseJarFile.VersionedJarEntry A versioned Jar entry

Constructor Summary

Constructors

Constructor and Description
MultiReleaseJarFile(java.io.File file) Construct a multi release jar file for the current JVM version, ignoring directories.
MultiReleaseJarFile(java.io.File file, int javaPlatform, boolean includeDirectories) Construct a multi release jar file

Method Summary

Modifier and Type	Method and Description
void	close()
MultiReleaseJarFile.VersionedJarEntry	getEntry(java.lang.String name) Get a versioned resource entry by name
int	getVersion()
boolean	isMultiRelease()
java.util.stream.Stream<MultiReleaseJarFile.VersionedJarEntry>	stream()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiReleaseJarFile

public MultiReleaseJarFile(java.io.File file)
                    throws java.io.IOException

Construct a multi release jar file for the current JVM version, ignoring directories.

Parameters:

file - The file to open

Throws:

java.io.IOException - if the jar file cannot be read

MultiReleaseJarFile

public MultiReleaseJarFile(java.io.File file,
                           int javaPlatform,
                           boolean includeDirectories)
                    throws java.io.IOException

Construct a multi release jar file

Parameters:

file - The file to open

javaPlatform - The JVM platform to apply when selecting a version.

includeDirectories - true if any directory entries should not be ignored

Throws:

java.io.IOException - if the jar file cannot be read

Method Detail

isMultiRelease

public boolean isMultiRelease()

Returns:

true IFF the jar is a multi release jar

getVersion

public int getVersion()

Returns:

The major version applied to this jar for the purposes of selecting entries

stream

public java.util.stream.Stream<MultiReleaseJarFile.VersionedJarEntry> stream()

Returns:

A stream of versioned entries from the jar, excluded any that are not applicable

getEntry

public MultiReleaseJarFile.VersionedJarEntry getEntry(java.lang.String name)

Get a versioned resource entry by name

Parameters:

name - The unversioned name of the resource

Returns:

The versioned entry of the resource

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object