/*
* 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/support/AliasMgrHashMapImpl.java,v 1.4 2007/05/05 05:24:51 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:51 $
*/
package com.sun.cli.jmx.support;
import java.util.Set;
import java.util.HashMap;
import java.util.Iterator;
import java.io.File;
import java.io.IOException;
import java.io.FileWriter;
import java.io.FileReader;
public final class AliasMgrHashMapImpl implements AliasMgrSPI
{
final HashMap mMap;
String mFilename;
public final static String DEFAULT_FILENAME = "aliases.txt";
public
AliasMgrHashMapImpl()
{
mMap = new HashMap();
}
public void
create( String aliasName, String value ) throws Exception
{
mMap.put( aliasName, value );
save();
}
public String
get( String aliasName )
{
return( (String)mMap.get( aliasName ) );
}
public void
delete( String aliasName )
throws Exception
{
mMap.remove( aliasName );
save();
}
public Set
getNames()
{
return( mMap.keySet() );
}
public void
save( )
throws IOException
{
if ( mFilename != null )
{
save( new File( mFilename ) );
}
}
public void
save( File theFile )
throws IOException
{
mFilename = theFile.getPath();
final Set names = getNames();
final Iterator iter = names.iterator();
final String [] pairs = new String [ names.size() ];
for( int i = 0; i < pairs.length; ++i )
{
final String name = (String)iter.next();
pairs[ i ] = name + "=" + get( name );
}
final FileWriter out = new FileWriter( theFile );
for( int i = 0; i < pairs.length; ++i )
{
out.write( pairs[ i ] + "\n" );
}
out.close();
}
private String
readLine( FileReader in )
throws IOException
{
StringBuffer buf = new StringBuffer();
while ( true )
{
final int i =in.read();
if ( i < 0 )
{
return( null );
}
final char theChar = (char)i;
if ( theChar == '\n' || theChar == '\r' )
{
// ignore blank lines
if ( buf.length() == 0 )
continue;
break;
}
buf.append( theChar );
}
return( buf.toString() );
}
public void
load( File theFile )
throws Exception
{
mFilename = theFile.getPath();
final FileReader in = new FileReader( theFile );
while ( true )
{
final String pair = readLine( in );
if ( pair == null )
break;
final int separatorOffset = pair.indexOf( '=' );
final String name = pair.substring( 0, separatorOffset );
final String value = pair.substring( separatorOffset + 1, pair.length() );
create( name, value );
}
in.close();
}
};
|