/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/cmd/CmdEnvImpl.java,v 1.4 2007/05/05 05:24:49 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:49 $
*/
package com.sun.cli.jmx.cmd;
import java.util.Properties;
import java.util.Iterator;
import java.util.Enumeration;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
class ValueData
{
Object mValue;
boolean mAllowPersistence;
ValueData( Object value )
{
mValue = value;
mAllowPersistence = false;
}
ValueData( Object value, boolean allowPersistence )
{
mValue = value;
mAllowPersistence = allowPersistence;
}
}
public final class CmdEnvImpl implements CmdEnv
{
private final java.util.HashMap mEnv;
private final static void
dm( Object o )
{
System.out.println( o.toString() );
}
public
CmdEnvImpl()
{
mEnv = new java.util.HashMap();
}
public void
put( String key, Object value, boolean allowPersistence )
{
final ValueData data = new ValueData( value, allowPersistence);
mEnv.put( key, data );
}
public Object
get( String key )
{
final ValueData data = (ValueData)mEnv.get( key );
final Object value = (data != null) ? data.mValue : null;
return( value );
}
public void
remove( String key )
{
mEnv.remove( key );
}
public java.util.Set
getKeys()
{
return( mEnv.keySet( ) );
}
public boolean
isPersistable( String key )
{
final ValueData data = (ValueData)mEnv.get( key );
final boolean isPersistable = data != null && data.mAllowPersistence;
return( isPersistable );
}
Properties
exportProperties( )
{
final Properties props = new Properties();
final Iterator iter = getKeys().iterator();
while( iter.hasNext() )
{
final String key = (String)iter.next();
if ( isPersistable( key ) )
{
props.put( key, get( key ).toString() );
}
}
return( props );
}
void
importProperties( Properties props )
{
final Enumeration propertyNames = props.propertyNames();
while ( propertyNames.hasMoreElements() )
{
final String name = (String)propertyNames.nextElement();
final String value = props.getProperty( name );
put( name, value, true );
}
}
private final static String HEADER = "jmxadmin environment properties";
void
load( File file )
throws IOException
{
FileInputStream inputStream = null;
try
{
inputStream = new FileInputStream( file );
final Properties props = new Properties();
props.load( inputStream );
inputStream.close();
importProperties( props );
}
catch( FileNotFoundException e )
{
// ignore--OK if it does not exist
if ( inputStream != null )
{
inputStream.close();
}
}
}
void
store( File file )
throws FileNotFoundException, IOException
{
final Properties props = exportProperties( );
FileOutputStream outputStream = null;
try
{
outputStream = new FileOutputStream( file );
props.store( outputStream, HEADER );
outputStream.close();
}
catch( Exception e )
{
System.err.println( "can't store environment" );
}
finally
{
if ( outputStream != null )
{
outputStream.close();
}
}
}
};
|