/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* The <code>JarOutputStream</code> class is used to write the contents
* of a JAR file to any output stream. It extends the class
* <code>java.util.zip.ZipOutputStream</code> with support
* for writing an optional <code>Manifest</code> entry. The
* <code>Manifest</code> can be used to specify meta-information about
* the JAR file and its entries.
*
* @author David Connelly
* @see Manifest
* @see java.util.zip.ZipOutputStream
* @since 1.2
*/
public
/**
* Creates a new <code>JarOutputStream</code> with the specified
* <code>Manifest</code>. The manifest is written as the first
* entry to the output stream.
*
* @param out the actual output stream
* @param man the optional <code>Manifest</code>
* @exception IOException if an I/O error has occurred
*/
super(out);
throw new NullPointerException("man");
}
putNextEntry(e);
closeEntry();
}
/**
* Creates a new <code>JarOutputStream</code> with no manifest.
* @param out the actual output stream
* @exception IOException if an I/O error has occurred
*/
super(out);
}
/**
* Begins writing a new JAR file entry and positions the stream
* to the start of the entry data. This method will also close
* any previous entry. The default compression method will be
* used if no compression method was specified for the entry.
* The current time will be used if the entry has no set modification
* time.
*
* @exception ZipException if a ZIP error has occurred
* @exception IOException if an I/O error has occurred
*/
if (firstEntry) {
// Make sure that extra field data for first JAR
// entry includes JAR magic number id.
edata = new byte[4];
} else {
// Prepend magic to existing extra data
}
}
firstEntry = false;
}
super.putNextEntry(ze);
}
private boolean firstEntry = true;
/*
* Returns true if specified byte array contains the
* jar magic extra field id.
*/
try {
int i = 0;
return true;
}
}
} catch (ArrayIndexOutOfBoundsException e) {
// Invalid extra field data
}
return false;
}
/*
* Fetches unsigned 16-bit value from byte array at specified offset.
* The bytes are assumed to be in Intel (little-endian) byte order.
*/
}
/*
* Sets 16-bit value at specified offset. The bytes are assumed to
* be in Intel (little-endian) byte order.
*/
}
}