/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.console.twiddle.command;
import java.beans.PropertyEditor;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.management.Attribute;
import javax.management.AttributeList;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import gnu.getopt.Getopt;
import gnu.getopt.LongOpt;
import org.jboss.util.Strings;
import org.jboss.util.propertyeditor.PropertyEditors;
/**
* Sets one or more attributes in an MBean
*
* @author <a href="mailto:bela@jboss.com">Bela Ban</a>
* @version $Revision: 105008 $
*/
public class SetAttrsCommand
extends MBeanServerCommand
{
private ObjectName objectName;
/** List<String>. Contains names and values */
private List attributeNames = new ArrayList(5);
public SetAttrsCommand()
{
super("setattrs", "Set the values of one or more MBean attributes");
}
public void displayHelp()
{
PrintWriter out = context.getWriter();
out.println(desc);
out.println();
out.println("usage: " + name + " [options] <name> [<attr value>+]");
out.println("options:");
out.println(" --noprefix Do not display attribute name prefixes");
out.println(" -- Stop processing options");
out.flush();
}
private boolean processArguments(final String[] args)
throws CommandException
{
log.debug("processing arguments: " + Strings.join(args, ","));
if (args.length == 0)
{
throw new CommandException("Command requires arguments");
}
String sopts = "-:";
LongOpt[] lopts =
{
new LongOpt("noprefix", LongOpt.NO_ARGUMENT, null, 0x1000),
};
Getopt getopt = new Getopt(null, args, sopts, lopts);
getopt.setOpterr(false);
int code;
int argidx = 0;
while ((code = getopt.getopt()) != -1)
{
switch (code)
{
case ':':
throw new CommandException
("Option requires an argument: " + args[getopt.getOptind() - 1]);
case '?':
throw new CommandException
("Invalid (or ambiguous) option: " + args[getopt.getOptind() - 1]);
case 0x1000:
break;
// non-option arguments
case 1:
{
String arg = getopt.getOptarg();
switch (argidx++)
{
case 0:
objectName = createObjectName(arg);
log.debug("mbean name: " + objectName);
break;
default:
log.debug("adding attribute name: " + arg);
attributeNames.add(arg);
break;
}
break;
}
}
}
return true;
}
public void execute(String[] args) throws Exception
{
processArguments(args);
if (objectName == null)
throw new CommandException("Missing object name");
log.debug("attribute names: " + attributeNames);
MBeanServerConnection server = getMBeanServer();
if (attributeNames.size() == 0)
{
throw new CommandException("at least 1 attribute and value needs to be defined");
}
MBeanInfo info = server.getMBeanInfo(objectName);
MBeanAttributeInfo[] attribute_info = info.getAttributes();
String type;
AttributeList attrs = new AttributeList(attributeNames.size());
Attribute attr;
String attr_name;
Object attr_value, real_value;
MBeanAttributeInfo attr_info;
for (Iterator it = attributeNames.iterator(); it.hasNext();)
{
attr_name = (String) it.next();
attr_value = it.next();
attr_info = findAttribute(attr_name, attribute_info);
if (attr_info == null)
throw new CommandException("attribute " + attr_name + " not found");
type = attr_info.getType();
PropertyEditor editor = PropertyEditors.getEditor(type);
editor.setAsText((String) attr_value);
real_value = editor.getValue();
attr = new Attribute(attr_name, real_value);
attrs.add(attr);
}
AttributeList ret = server.setAttributes(objectName, attrs);
System.out.println("The following attributes were set successfuly:");
if (ret.size() > 0)
{
for (Iterator it = ret.iterator(); it.hasNext();)
{
Attribute a = (Attribute) it.next();
System.out.println(a.getName() + "=" + a.getValue());
}
}
closeServer();
}
private MBeanAttributeInfo findAttribute(String attr_name,
MBeanAttributeInfo[] attribute_info)
{
for (int i = 0; i < attribute_info.length; i++)
{
MBeanAttributeInfo mBeanAttributeInfo = attribute_info[i];
if (mBeanAttributeInfo.getName().equals(attr_name))
return mBeanAttributeInfo;
}
return null;
}
}