lookup/src/test/java/org/openide/util/test/MockLookup.java
changeset 972 a2947558c966
parent 971 b3ae88304dd0
child 973 5653a70ebb56
     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.
    1.32 - *
    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 -}