// ========================================================================
// Copyright 2011 NEXCOM Systems
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.cipango.console;
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import org.cipango.console.Row.Header;
import org.cipango.console.Row.Value;
import org.cipango.console.printer.generic.PrinterUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
public class Table extends AbstractList<Row>
{
private static Logger __logger = Log.getLogger("console");
private List<Row> _rows = new ArrayList<Row>();
private List<Header> _headers;
private String _title;
public Table()
{
}
public Table(MBeanServerConnection connection, Set<ObjectName> objectNameSet, String propertyName) throws Exception
{
List<Header> headers = getHeaders(connection, objectNameSet, propertyName);
setTitle(PrinterUtil.getTitle(propertyName));
setHeaders(headers);
if (objectNameSet != null)
{
for (ObjectName objectName : objectNameSet)
{
Row row = new Row();
List<Value> values = row.getValues();
for (Header header : headers)
values.add(new Value(connection.getAttribute(objectName, header.getSimpleName()), header));
row.setObjectName(objectName);
add(row);
}
}
}
public Table(MBeanServerConnection connection, ObjectName[] objectNames, String propertyName) throws Exception
{
this(connection, new HashSet<ObjectName>(Arrays.asList(objectNames)), propertyName);
}
private List<Header> getHeaders(MBeanServerConnection connection, Set<ObjectName> objectNameSet, String propertyName) throws Exception
{
String[] params = PrinterUtil.getParams(propertyName);
List<Header> headers = new ArrayList<Row.Header>();
if (objectNameSet == null || objectNameSet.isEmpty())
{
for (String param : params)
headers.add(new Header(param, param));
}
else
{
Iterator<ObjectName> it = objectNameSet.iterator();
MBeanInfo info = connection.getMBeanInfo(it.next());
MBeanAttributeInfo[] attrInfos = info.getAttributes();
for (String param : params)
{
boolean found = false;
for (MBeanAttributeInfo attrInfo : attrInfos)
{
if (attrInfo.getName().equals(param))
{
headers.add(new Header(param, attrInfo.getDescription(), PrinterUtil.getNote(propertyName, param)));
found = true;
break;
}
}
if (!found)
__logger.info("Could not display param {} as it is not exposed by JMX", param, null);
}
}
return headers;
}
public String getTitle()
{
return _title;
}
public void setTitle(String title)
{
_title = title;
}
public boolean hasOperations()
{
if (_rows.isEmpty())
return false;
return _rows.get(0).getOperations() != null;
}
public Row get(int index)
{
return _rows.get(index);
}
@Override
public int size()
{
return _rows.size();
}
@Override
public void add(int index, Row row)
{
_rows.add(index, row);
}
public List<Header> getHeaders()
{
return _headers;
}
public void setHeaders(List<Header> headers)
{
_headers = headers;
}
}