1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @summary Test a pool containing external files.
27 * @author Andrei Eremeev
28 * @modules jdk.jlink/jdk.tools.jlink.internal
29 * jdk.jlink/jdk.tools.jlink.plugin
30 * @run build ImageFilePoolTest
31 * @run main ImageFilePoolTest
32 */
33
34 import java.io.ByteArrayInputStream;
35 import java.util.Optional;
36 import java.util.function.Function;
37 import jdk.tools.jlink.internal.ResourcePoolEntryFactory;
38 import jdk.tools.jlink.internal.ResourcePoolManager;
39 import jdk.tools.jlink.plugin.ResourcePoolEntry;
40 import jdk.tools.jlink.plugin.ResourcePool;
41
42 public class ImageFilePoolTest {
43 public static void main(String[] args) throws Exception {
44 new ImageFilePoolTest().test();
45 }
46
47 public void test() throws Exception {
48 checkNegative();
49 checkVisitor();
50 }
51
52 private static final String SUFFIX = "END";
53
54 private void checkVisitor() throws Exception {
55 ResourcePoolManager input = new ResourcePoolManager();
56 for (int i = 0; i < 1000; ++i) {
57 String module = "module" + (i / 100);
58 input.add(newInMemoryImageFile("/" + module + "/java/class" + i,
59 ResourcePoolEntry.Type.CONFIG, "class" + i));
60 }
61 if (input.entryCount() != 1000) {
62 throw new AssertionError();
63 }
64 ResourcePoolManager output = new ResourcePoolManager();
65 ResourceVisitor visitor = new ResourceVisitor();
66 input.resourcePool().transformAndCopy(visitor, output.resourcePoolBuilder());
67 if (visitor.getAmountBefore() == 0) {
68 throw new AssertionError("Resources not found");
69 }
70 if (visitor.getAmountBefore() != input.entryCount()) {
71 throw new AssertionError("Number of visited resources. Expected: " +
72 visitor.getAmountBefore() + ", got: " + input.entryCount());
73 }
74 if (visitor.getAmountAfter() != output.entryCount()) {
75 throw new AssertionError("Number of added resources. Expected: " +
76 visitor.getAmountAfter() + ", got: " + output.entryCount());
77 }
78 output.entries().forEach(outFile -> {
79 String path = outFile.path().replaceAll(SUFFIX + "$", "");
80 Optional<ResourcePoolEntry> inFile = input.findEntry(path);
81 if (!inFile.isPresent()) {
82 throw new AssertionError("Unknown resource: " + path);
83 }
84 });
85 }
86
87 private static class ResourceVisitor implements Function<ResourcePoolEntry, ResourcePoolEntry> {
88
89 private int amountBefore;
90 private int amountAfter;
91
92 @Override
93 public ResourcePoolEntry apply(ResourcePoolEntry file) {
94 int index = ++amountBefore % 3;
95 switch (index) {
96 case 0:
97 ++amountAfter;
98 return newInMemoryImageFile(file.path() + SUFFIX,
99 file.type(), file.path());
100 case 1:
101 ++amountAfter;
102 return newInMemoryImageFile(file.path(),
103 file.type(), file.path());
104 }
105 return null;
106 }
107
108 public int getAmountAfter() {
109 return amountAfter;
110 }
111
112 public int getAmountBefore() {
113 return amountBefore;
114 }
115 }
116
117 private void checkNegative() throws Exception {
118 ResourcePoolManager input = new ResourcePoolManager();
119 try {
120 input.add(null);
121 throw new AssertionError("NullPointerException is not thrown");
122 } catch (NullPointerException e) {
123 // expected
124 }
125 try {
126 input.contains(null);
127 throw new AssertionError("NullPointerException is not thrown");
128 } catch (NullPointerException e) {
129 // expected
130 }
131 if (input.findEntry("unknown").isPresent()) {
132 throw new AssertionError("ImageFileResourcePool does not return null for unknown file");
133 }
134 if (input.contains(newInMemoryImageFile("/unknown/foo", ResourcePoolEntry.Type.CONFIG, "unknown"))) {
135 throw new AssertionError("'contain' returns true for /unknown/foo file");
136 }
137 input.add(newInMemoryImageFile("/aaa/bbb", ResourcePoolEntry.Type.CONFIG, ""));
138 try {
139 input.add(newInMemoryImageFile("/aaa/bbb", ResourcePoolEntry.Type.CONFIG, ""));
140 throw new AssertionError("Exception expected");
141 } catch (Exception e) {
142 // expected
143 }
144 }
145
146 private static ResourcePoolEntry newInMemoryImageFile(String path,
147 ResourcePoolEntry.Type type, String content) {
148 return ResourcePoolEntryFactory.create(path, type, content.getBytes());
149 }
150 }