| /* |
| * Copyright (c) 2005, 2006, 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. |
| * |
| * 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. |
| */ |
| |
| // |
| |
| import java.io.*; |
| import java.util.*; |
| |
| |
| public class Load { |
| |
| private static PrintStream out = System.err; |
| |
| public static void main(String[] args) throws Exception { |
| |
| boolean installedOnly = false; |
| |
| List<String> expected = new ArrayList<String>(Arrays.asList(args)); |
| if (!expected.isEmpty() && expected.get(0).equals("-i")) { |
| expected.remove(0); |
| installedOnly = true; |
| } |
| if (expected.isEmpty()) |
| throw new Exception("usage: Load [-i] ( fail | provider-class-name )*"); |
| |
| ServiceLoader<FooService> sl = (installedOnly |
| ? ServiceLoader.loadInstalled(FooService.class) |
| : ServiceLoader.load(FooService.class)); |
| out.format("%s%n", sl); |
| Iterator<FooService> sli = sl.iterator(); |
| Iterator<String> ei = expected.iterator(); |
| |
| for (;; ei.remove()) { |
| FooService fp = null; |
| try { |
| if (!sli.hasNext()) |
| break; |
| fp = sli.next(); |
| } catch (ServiceConfigurationError x) { |
| if (ei.next().equals("fail")) { |
| out.format("Failed as expected: %s%n", x); |
| continue; |
| } |
| throw x; |
| } |
| String ec = ei.next(); |
| if (!fp.getClass().getName().equals(ec)) |
| throw new |
| Exception(String.format("Wrong provider %s; expected %s", |
| fp.getClass().getName(), ec)); |
| out.format("Provider found: %s%n", fp.getClass().getName()); |
| } |
| |
| if (ei.hasNext()) |
| throw new Exception("Missing providers: " + expected); |
| |
| } |
| |
| } |