Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file. The manifest stores meta-information about the JAR file contents and is also used for signing JAR files.
java.util.jarpackage is based on the following specifications:
Interface Summary Interface Description Pack200.PackerThe packer engine applies various transformations to the input JAR file, making the pack stream highly compressible by a compressor such as gzip or zip. Pack200.UnpackerThe unpacker engine converts the packed stream to a JAR file.
Class Summary Class Description AttributesThe Attributes class maps Manifest attribute names to associated string values. Attributes.NameThe Attributes.Name class represents an attribute name stored in this Map. JarEntryThis class is used to represent a JAR file entry. JarFileThe
JarFileclass is used to read the contents of a jar file from any file that can be opened with
JarInputStreamclass is used to read the contents of a JAR file from any input stream.
JarOutputStreamclass is used to write the contents of a JAR file to any output stream.
ManifestThe Manifest class is used to maintain Manifest entry names and their associated Attributes. Pack200Transforms a JAR file to or from a packed stream in Pack200 format.
Exception Summary Exception Description JarExceptionSignals that an error of some sort has occurred while reading from or writing to a JAR file.