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Java 2 Platform SE v1.3.1: Class JarEntry
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JavaTM 2 Platform
Std. Ed. v1.3.1
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java.util.jar
Class JarEntry

java.lang.Object
  |
  +--java.util.zip.ZipEntry
        |
        +--java.util.jar.JarEntry
All Implemented Interfaces:
Cloneable, java.util.zip.ZipConstants
public class JarEntry
extends ZipEntry

This class is used to represent a JAR file entry.

Fields inherited from class java.util.zip.ZipEntry
CENATT, CENATX, CENCOM, CENCRC, CENDSK, CENEXT, CENFLG, CENHDR, CENHOW, CENLEN, CENNAM, CENOFF, CENSIG, CENSIZ, CENTIM, CENVEM, CENVER, DEFLATED, ENDCOM, ENDHDR, ENDOFF, ENDSIG, ENDSIZ, ENDSUB, ENDTOT, EXTCRC, EXTHDR, EXTLEN, EXTSIG, EXTSIZ, LOCCRC, LOCEXT, LOCFLG, LOCHDR, LOCHOW, LOCLEN, LOCNAM, LOCSIG, LOCSIZ, LOCTIM, LOCVER, STORED
 
Constructor Summary
JarEntry(JarEntry je)
          Creates a new JarEntry with fields taken from the specified JarEntry object.
JarEntry(String name)
          Creates a new JarEntry for the specified JAR file entry name.
JarEntry(ZipEntry ze)
          Creates a new JarEntry with fields taken from the specified ZipEntry object.
 
Method Summary
 Attributes getAttributes()
          Returns the Manifest Attributes for this entry, or null if none.
 Certificate[] getCertificates()
          Returns the Certificate objects for this entry, or null if none.
 
Methods inherited from class java.util.zip.ZipEntry
clone, getComment, getCompressedSize, getCrc, getExtra, getMethod, getName, getSize, getTime, hashCode, isDirectory, setComment, setCompressedSize, setCrc, setExtra, setMethod, setSize, setTime, toString
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

JarEntry

public JarEntry(String name)
Creates a new JarEntry for the specified JAR file entry name.
Parameters:
name - the JAR file entry name
Throws:
NullPointerException - if the entry name is null
IllegalArgumentException - if the entry name is longer than 0xFFFF bytes.

JarEntry

public JarEntry(ZipEntry ze)
Creates a new JarEntry with fields taken from the specified ZipEntry object.
Parameters:
ze - the ZipEntry object to create the JarEntry from

JarEntry

public JarEntry(JarEntry je)
Creates a new JarEntry with fields taken from the specified JarEntry object.
Parameters:
je - the JarEntry to copy
Method Detail

getAttributes

public Attributes getAttributes()
                         throws IOException
Returns the Manifest Attributes for this entry, or null if none.
Returns:
the Manifest Attributes for this entry, or null if none

getCertificates

public Certificate[] getCertificates()
Returns the Certificate objects for this entry, or null if none. This method can only be called once the JarEntry has been completely verified by reading from the entry input stream until the end of the stream has been reached. Otherwise, this method will return null.

The returned certificate array comprises all the signer certificates that were used to verify this entry. Each signer certificate is followed by its supporting certificate chain (which may be empty). Each signer certificate and its supporting certificate chain are ordered bottom-to-top (i.e., with the signer certificate first and the (root) certificate authority last).

Returns:
the Certificate objects for this entry, or null if none.
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JavaTM 2 Platform
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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