1.1 --- a/lookup/src/test/java/org/openide/util/test/MockLookup.java Wed Jan 27 17:46:23 2010 -0500
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,135 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
1.8 - *
1.9 - * The contents of this file are subject to the terms of either the GNU
1.10 - * General Public License Version 2 only ("GPL") or the Common
1.11 - * Development and Distribution License("CDDL") (collectively, the
1.12 - * "License"). You may not use this file except in compliance with the
1.13 - * License. You can obtain a copy of the License at
1.14 - * http://www.netbeans.org/cddl-gplv2.html
1.15 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.16 - * specific language governing permissions and limitations under the
1.17 - * License. When distributing the software, include this License Header
1.18 - * Notice in each file and include the License file at
1.19 - * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
1.20 - * particular file as subject to the "Classpath" exception as provided
1.21 - * by Sun in the GPL Version 2 section of the License file that
1.22 - * accompanied this code. If applicable, add the following below the
1.23 - * License Header, with the fields enclosed by brackets [] replaced by
1.24 - * your own identifying information:
1.25 - * "Portions Copyrighted [year] [name of copyright owner]"
1.26 - *
1.27 - * Contributor(s):
1.28 - *
1.29 - * The Original Software is NetBeans. The Initial Developer of the Original
1.30 - * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
1.31 - * Microsystems, Inc. All Rights Reserved.
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1.33 - * If you wish your version of this file to be governed by only the CDDL
1.34 - * or only the GPL Version 2, indicate your decision by adding
1.35 - * "[Contributor] elects to include this software in this distribution
1.36 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.37 - * single choice of license, a recipient has the option to distribute
1.38 - * your version of this file under either the CDDL, the GPL Version 2 or
1.39 - * to extend the choice of license to its licensees as provided above.
1.40 - * However, if you add GPL Version 2 code and therefore, elected the GPL
1.41 - * Version 2 license, then the option applies only if the new code is
1.42 - * made subject to such option by the copyright holder.
1.43 - */
1.44 -
1.45 -package org.openide.util.test;
1.46 -
1.47 -import java.lang.reflect.Field;
1.48 -import java.util.Collection;
1.49 -import static junit.framework.Assert.*;
1.50 -import org.openide.util.Lookup;
1.51 -import org.openide.util.lookup.Lookups;
1.52 -import org.openide.util.lookup.ProxyLookup;
1.53 -
1.54 -/**
1.55 - * Mock implementation of system default lookup suitable for use in unit tests.
1.56 - * The initial value just contains classpath services.
1.57 - */
1.58 -public class MockLookup extends ProxyLookup {
1.59 -
1.60 - private static MockLookup DEFAULT;
1.61 - private static boolean making = false;
1.62 - private static volatile boolean ready;
1.63 -
1.64 - static {
1.65 - making = true;
1.66 - try {
1.67 - System.setProperty("org.openide.util.Lookup", MockLookup.class.getName());
1.68 - if (Lookup.getDefault().getClass() != MockLookup.class) {
1.69 - // Someone else initialized lookup first. Try to force our way.
1.70 - Field defaultLookup = Lookup.class.getDeclaredField("defaultLookup");
1.71 - defaultLookup.setAccessible(true);
1.72 - defaultLookup.set(null, null);
1.73 - }
1.74 - assertEquals(MockLookup.class, Lookup.getDefault().getClass());
1.75 - } catch (Exception x) {
1.76 - throw new ExceptionInInitializerError(x);
1.77 - } finally {
1.78 - making = false;
1.79 - }
1.80 - }
1.81 -
1.82 - /** Do not call this directly! */
1.83 - public MockLookup() {
1.84 - assertTrue(making);
1.85 - assertNull(DEFAULT);
1.86 - DEFAULT = this;
1.87 - }
1.88 -
1.89 - /**
1.90 - * Just ensures that this lookup is default lookup, but does not actually change its content.
1.91 - * Useful mainly if you have some test utility method which calls foreign code which might use default lookup,
1.92 - * and you want to ensure that any users of mock lookup will see the correct default lookup right away,
1.93 - * even if they have not yet called {@link #setLookup} or {@link #setInstances}.
1.94 - */
1.95 - public static void init() {
1.96 - if (!ready) {
1.97 - setInstances();
1.98 - }
1.99 - }
1.100 -
1.101 - /**
1.102 - * Sets the global default lookup with zero or more delegate lookups.
1.103 - * Caution: if you don't include Lookups.metaInfServices, you may have trouble,
1.104 - * e.g. {@link #makeScratchDir} will not work.
1.105 - * Most of the time you should use {@link #setInstances} instead.
1.106 - */
1.107 - public static void setLookup(Lookup... lookups) {
1.108 - ready = true;
1.109 - DEFAULT.setLookups(lookups);
1.110 - }
1.111 -
1.112 - /**
1.113 - * Sets the global default lookup with some fixed instances.
1.114 - * Will also include (at a lower priority) a {@link ClassLoader},
1.115 - * and services found from <code>META-INF/services/*</code> in the classpath.
1.116 - */
1.117 - public static void setInstances(Object... instances) {
1.118 - ClassLoader l = MockLookup.class.getClassLoader();
1.119 - setLookup(Lookups.fixed(instances), Lookups.metaInfServices(l), Lookups.singleton(l));
1.120 - }
1.121 - /**
1.122 - * Sets the global default lookup with some fixed instances and
1.123 - * content read from Services folder from system file system.
1.124 - * Will also include (at a lower priority) a {@link ClassLoader},
1.125 - * and services found from <code>META-INF/services/*</code> in the classpath.
1.126 - */
1.127 - public static void setLayersAndInstances(Object... instances) {
1.128 - ClassLoader l = MockLookup.class.getClassLoader();
1.129 - if (l != Lookup.getDefault().lookup(ClassLoader.class)) {
1.130 - setLookup(Lookups.fixed(instances), Lookups.metaInfServices(l), Lookups.singleton(l));
1.131 - }
1.132 - Lookup projects = Lookups.forPath("Services");
1.133 - Collection<?> initialize = projects.lookupAll(Object.class);
1.134 - //System.err.println("all: " + initialize);
1.135 - setLookup(Lookups.fixed(instances), Lookups.metaInfServices(l), Lookups.singleton(l), projects);
1.136 - }
1.137 -
1.138 -}