| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.corba.se.impl.resolver ; |
| |
| import org.omg.CORBA.ORBPackage.InvalidName; |
| |
| import com.sun.corba.se.spi.resolver.Resolver ; |
| |
| import java.util.Enumeration; |
| import java.util.Properties; |
| import java.util.Set; |
| import java.util.HashSet; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| |
| import com.sun.corba.se.spi.orb.ORB ; |
| |
| import com.sun.corba.se.impl.orbutil.CorbaResourceUtil ; |
| |
| public class FileResolverImpl implements Resolver |
| { |
| private ORB orb ; |
| private File file ; |
| private Properties savedProps ; |
| private long fileModified = 0 ; |
| |
| public FileResolverImpl( ORB orb, File file ) |
| { |
| this.orb = orb ; |
| this.file = file ; |
| savedProps = new Properties() ; |
| } |
| |
| public org.omg.CORBA.Object resolve( String name ) |
| { |
| check() ; |
| String stringifiedObject = savedProps.getProperty( name ) ; |
| if (stringifiedObject == null) { |
| return null; |
| } |
| return orb.string_to_object( stringifiedObject ) ; |
| } |
| |
| public java.util.Set list() |
| { |
| check() ; |
| |
| Set result = new HashSet() ; |
| |
| // Obtain all the keys from the property object |
| Enumeration theKeys = savedProps.propertyNames(); |
| while (theKeys.hasMoreElements()) { |
| result.add( theKeys.nextElement() ) ; |
| } |
| |
| return result ; |
| } |
| |
| /** |
| * Checks the lastModified() timestamp of the file and optionally |
| * re-reads the Properties object from the file if newer. |
| */ |
| private void check() |
| { |
| if (file == null) |
| return; |
| |
| long lastMod = file.lastModified(); |
| if (lastMod > fileModified) { |
| try { |
| FileInputStream fileIS = new FileInputStream(file); |
| savedProps.clear(); |
| savedProps.load(fileIS); |
| fileIS.close(); |
| fileModified = lastMod; |
| } catch (java.io.FileNotFoundException e) { |
| System.err.println( CorbaResourceUtil.getText( |
| "bootstrap.filenotfound", file.getAbsolutePath())); |
| } catch (java.io.IOException e) { |
| System.err.println( CorbaResourceUtil.getText( |
| "bootstrap.exception", |
| file.getAbsolutePath(), e.toString())); |
| } |
| } |
| } |
| } |