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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.request;
import java.io.Serializable;
import java.util.Date;
import java.util.Enumeration;
import java.util.Vector;
/**
* A collection of AgentApproval objects.
* <single-threaded>
*
* @version $Revision$, $Date$
*/
public class AgentApprovals
implements Serializable {
/**
* Adds an approval to approval's list.
* <p>
* If an approval is already present for this user,
* it is updated with a new date. Otherwise a new
* value is inserted.
*
* @param userName user name of the approving agent
*/
public void addApproval(String userName) {
AgentApproval a = findApproval(userName);
// update existing approval
if (a != null) {
a.mDate = new Date(); /* CMS.getCurrentDate(); */
return;
}
a = new AgentApproval(userName);
mVector.addElement(a);
}
/**
* Removes an approval from approval's list.
* <p>
* If there is no approval for this userName, this
* call does nothing.
*
* @param userName user name of the approving agent
*/
public void removeApproval(String userName) {
AgentApproval a = findApproval(userName);
if (a != null)
mVector.removeElement(a);
}
/**
* Finds an existing AgentApproval for the named user.
*
* @param userName user name of the approving agent
* @return an AgentApproval object
*/
public AgentApproval findApproval(String userName) {
AgentApproval a = null;
// search
for (int i = 0; i < mVector.size(); i++) {
a = (AgentApproval) mVector.elementAt(i);
if (a.mUserName.equals(userName)) break;
}
return a;
}
/**
* Returns an enumeration of the agent approvals
*
* @return an enumeration of the agent approvals
*/
public Enumeration elements() {
return mVector.elements();
}
/**
* Returns the AgentApprovals as a Vector of strings.
* Each entry in the vector is of the format:
* epoch;username
* where epoch is the date.getTime()
* <p>
* This is used for serialization in Request.setExtData().
* @return The string vector.
*/
public Vector toStringVector() {
Vector retval = new Vector(mVector.size());
for (int i = 0; i < mVector.size(); i++) {
AgentApproval a = (AgentApproval) mVector.elementAt(i);
retval.add(a.getDate().getTime() + ";" + a.getUserName());
}
return retval;
}
/**
* Recreates an AgentApprovals instance from a Vector of strings that
* was created by toStringVector().
* @param stringVector The vector of strings to translate
* @return the AgentApprovals instance or null if it can't be translated.
*/
public static AgentApprovals fromStringVector(Vector stringVector) {
if (stringVector == null) {
return null;
}
AgentApprovals approvals = new AgentApprovals();
for (int i = 0; i < stringVector.size(); i++) {
try {
String approvalString = (String)stringVector.get(i);
String[] parts = approvalString.split(";", 2);
if (parts.length != 2) {
return null;
}
Long epoch = new Long(parts[0]);
Date date = new Date(epoch.longValue());
AgentApproval approval = new AgentApproval(parts[1]);
approval.mDate = date;
approvals.mVector.add(approval);
} catch (ClassCastException e) {
return null;
} catch (NumberFormatException e) {
return null;
}
}
return approvals;
}
protected Vector mVector = new Vector();
}
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