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| java.lang.Object
 java.util.zip.ZipFile
java.util.jar.JarFile
All known Subclasses: sun.net.www.protocol.jar.URLJarFile,
| JarFile | | public class JarFile extends ZipFile (Code) | | The JarFile class is used to read the contents of a JAR file
from any file that can be opened with java.io.RandomAccessFile.
It extends the class java.util.zip.ZipFile with support
for reading an optional Manifest entry. The
Manifest can be used to specify meta-information about the
JAR file and its entries.
author:
David Connelly
version:
1.38, 02/02/00
See Also: Manifest
See Also: java.util.zip.ZipFile
See Also: java.util.jar.JarEntry
since:
1.2 |
| Constructor Summary | |
| public | JarFile(String name)
Creates a new JarFile to read from the specified
file name. | | public | JarFile(String name, boolean verify)
Creates a new JarFile to read from the specified
file name. | | public | JarFile(File file)
Creates a new JarFile to read from the specified
File object. | | public | JarFile(File file, boolean verify)
Creates a new JarFile to read from the specified
File object. | | public | JarFile(File file, boolean verify, int mode)
Creates a new JarFile to read from the specified
File object in the specified mode. |
| MANIFEST_NAME | | final public static String MANIFEST_NAME(Code) | | The JAR manifest file name.
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| JarFile | | public JarFile(String name) throws IOException(Code) | | Creates a new JarFile to read from the specified
file name. The JarFile will be verified if
it is signed.
Parameters:
name - the name of the JAR file to be opened for reading
exception:
IOException - if an I/O error has occurred
exception:
SecurityException - if access to the file is deniedby the SecurityManager |
| JarFile | | public JarFile(String name, boolean verify) throws IOException(Code) | | Creates a new JarFile to read from the specified
file name.
Parameters:
name - the name of the JAR file to be opened for reading
Parameters:
verify - whether or not to verify the JarFile ifit is signed.
exception:
IOException - if an I/O error has occurred
exception:
SecurityException - if access to the file is deniedby the SecurityManager |
| JarFile | | public JarFile(File file) throws IOException(Code) | | Creates a new JarFile to read from the specified
File object. The JarFile will be verified if
it is signed.
Parameters:
file - the JAR file to be opened for reading
exception:
IOException - if an I/O error has occurred
exception:
SecurityException - if access to the file is deniedby the SecurityManager |
| JarFile | | public JarFile(File file, boolean verify) throws IOException(Code) | | Creates a new JarFile to read from the specified
File object.
Parameters:
file - the JAR file to be opened for reading
Parameters:
verify - whether or not to verify the JarFile ifit is signed.
exception:
IOException - if an I/O error has occurred
exception:
SecurityException - if access to the file is deniedby the SecurityManager. |
| JarFile | | public JarFile(File file, boolean verify, int mode) throws IOException(Code) | | Creates a new JarFile to read from the specified
File object in the specified mode. The mode argument
must be either OPEN_READ or OPEN_READ | OPEN_DELETE.
Parameters:
file - the JAR file to be opened for reading
Parameters:
verify - whether or not to verify the JarFile ifit is signed.
Parameters:
mode - the mode in which the file is to be opened
exception:
IOException - if an I/O error has occurred
exception:
IllegalArgumentException - If the mode argument is invalid
exception:
SecurityException - if access to the file is deniedby the SecurityManager |
| entries | | public Enumeration entries()(Code) | | Returns an enumeration of the ZIP file entries.
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| getEntry | | public ZipEntry getEntry(String name)(Code) | | Returns the ZipEntry for the given entry name or
null if not found.
Parameters:
name - the JAR file entry name the ZipEntry for the given entry name ornull if not found
See Also: java.util.zip.ZipEntry |
| getInputStream | | public synchronized InputStream getInputStream(ZipEntry ze) throws IOException(Code) | | Returns an input stream for reading the contents of the specified
ZIP file entry.
Parameters:
ze - the zip file entry an input stream for reading the contents of the specifiedZIP file entry
exception:
ZipException - if a ZIP format error has occurred
exception:
IOException - if an I/O error has occurred
exception:
SecurityException - if any of the JarFile entries are incorrectly signed. |
| getJarEntry | | public JarEntry getJarEntry(String name)(Code) | | Returns the JarEntry for the given entry name or
null if not found.
Parameters:
name - the JAR file entry name the JarEntry for the given entry name ornull if not found.
See Also: java.util.jar.JarEntry |
| getManifest | | public Manifest getManifest() throws IOException(Code) | | Returns the JAR file manifest, or null if none.
the JAR file manifest, or null if none |
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