epugh 2003/08/24 18:05:14
Added: security/src/java/org/apache/fulcrum/security/spi/torque/util
TorqueObjectUtils.java
Log:
Moved the Torque code around a bit to mimi the other SPI's.
Revision Changes Path
1.1
jakarta-turbine-fulcrum/security/src/java/org/apache/fulcrum/security/spi/torque/util/TorqueObjectUtils.java
Index: TorqueObjectUtils.java
===================================================================
package org.apache.fulcrum.security.spi.torque.util;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Turbine" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Turbine", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Enumeration;
import java.util.Hashtable;
/**
* Tucked way down here cause I don't want it and don't like it.
*/
public class TorqueObjectUtils
{
/**
* Converts a hashtable to a byte array for storage/serialization.
*
* @param hash The Hashtable to convert.
*
* @return A byte[] with the converted Hashtable.
*
* @exception Exception A generic exception.
*/
public static byte[] serializeHashtable(Hashtable hash)
throws Exception
{
Hashtable saveData = new Hashtable(hash.size());
String key = null;
Object value = null;
byte[] byteArray = null;
Enumeration keys = hash.keys();
while (keys.hasMoreElements())
{
key = (String) keys.nextElement();
value = hash.get(key);
if (value instanceof Serializable)
{
saveData.put (key, value);
}
}
ByteArrayOutputStream baos = null;
BufferedOutputStream bos = null;
ObjectOutputStream out = null;
try
{
// These objects are closed in the finally.
baos = new ByteArrayOutputStream();
bos = new BufferedOutputStream(baos);
out = new ObjectOutputStream(bos);
out.writeObject(saveData);
out.flush();
bos.flush();
byteArray = baos.toByteArray();
}
finally
{
if (out != null)
{
out.close();
}
if (bos != null)
{
bos.close();
}
if (baos != null)
{
baos.close();
}
}
return byteArray;
}
/**
* Deserializes a single object from an array of bytes.
*
* @param objectData The serialized object.
*
* @return The deserialized object, or <code>null</code> on failure.
*/
public static Object deserialize(byte[] objectData)
{
Object object = null;
if (objectData != null)
{
// These streams are closed in finally.
ObjectInputStream in = null;
ByteArrayInputStream bin = new ByteArrayInputStream(objectData);
BufferedInputStream bufin = new BufferedInputStream(bin);
try
{
in = new ObjectInputStream(bufin);
// If objectData has not been initialized, an
// exception will occur.
object = in.readObject();
}
catch (Exception e)
{
}
finally
{
try
{
if (in != null)
{
in.close();
}
if (bufin != null)
{
bufin.close();
}
if (bin != null)
{
bin.close();
}
}
catch (IOException e)
{
}
}
}
return object;
}
}
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