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/*
* Copyright (c) 2015, 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.
*/
/*
* @test
* @summary Test a pool containing jimage resources and classes.
* @author Jean-Francois Denise
* @modules jdk.jlink/jdk.tools.jlink.internal
* jdk.jlink/jdk.tools.jlink.plugin
* @run build ResourcePoolTest
* @run main ResourcePoolTest
*/
import java.io.ByteArrayInputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import jdk.tools.jlink.internal.ResourcePoolManager;
import jdk.tools.jlink.plugin.ResourcePool;
import jdk.tools.jlink.plugin.ResourcePoolModule;
import jdk.tools.jlink.plugin.ResourcePool;
import jdk.tools.jlink.plugin.ResourcePoolEntry;
public class ResourcePoolTest {
public static void main(String[] args) throws Exception {
new ResourcePoolTest().test();
}
public void test() throws Exception {
checkResourceAdding();
checkResourceVisitor();
checkResourcesAfterCompression();
}
private static final String SUFFIX = "END";
private void checkResourceVisitor() throws Exception {
ResourcePoolManager input = new ResourcePoolManager();
for (int i = 0; i < 1000; ++i) {
String module = "/module" + (i / 10);
String resourcePath = module + "/java/package" + i;
byte[] bytes = resourcePath.getBytes();
input.add(ResourcePoolEntry.create(resourcePath, bytes));
}
ResourcePoolManager output = new ResourcePoolManager();
ResourceVisitor visitor = new ResourceVisitor();
input.resourcePool().transformAndCopy(visitor, output.resourcePoolBuilder());
if (visitor.getAmountBefore() == 0) {
throw new AssertionError("Resources not found");
}
if (visitor.getAmountBefore() != input.entryCount()) {
throw new AssertionError("Number of visited resources. Expected: " +
visitor.getAmountBefore() + ", got: " + input.entryCount());
}
if (visitor.getAmountAfter() != output.entryCount()) {
throw new AssertionError("Number of added resources. Expected: " +
visitor.getAmountAfter() + ", got: " + output.entryCount());
}
output.entries().forEach(outResource -> {
String path = outResource.path().replaceAll(SUFFIX + "$", "");
if (!input.findEntry(path).isPresent()) {
throw new AssertionError("Unknown resource: " + path);
}
});
}
private static class ResourceVisitor implements Function<ResourcePoolEntry, ResourcePoolEntry> {
private int amountBefore;
private int amountAfter;
@Override
public ResourcePoolEntry apply(ResourcePoolEntry resource) {
int index = ++amountBefore % 3;
switch (index) {
case 0:
++amountAfter;
return ResourcePoolEntry.create(resource.path() + SUFFIX,
resource.type(), resource.contentBytes());
case 1:
++amountAfter;
return resource.copyWithContent(resource.contentBytes());
}
return null;
}
public int getAmountAfter() {
return amountAfter;
}
public int getAmountBefore() {
return amountBefore;
}
}
private void checkResourceAdding() {
List<String> samples = new ArrayList<>();
samples.add("java.base");
samples.add("java/lang/Object");
samples.add("java.base");
samples.add("java/lang/String");
samples.add("java.management");
samples.add("javax/management/ObjectName");
test(samples, (resources, module, path) -> {
try {
resources.add(ResourcePoolEntry.create(path, new byte[0]));
} catch (Exception ex) {
throw new RuntimeException(ex);
}
});
test(samples, (resources, module, path) -> {
try {
resources.add(ResourcePoolManager.
newCompressedResource(ResourcePoolEntry.create(path, new byte[0]),
ByteBuffer.allocate(99), "bitcruncher", null,
((ResourcePoolManager)resources).getStringTable(), ByteOrder.nativeOrder()));
} catch (Exception ex) {
throw new RuntimeException(ex);
}
});
}
private void test(List<String> samples, ResourceAdder adder) {
if (samples.isEmpty()) {
throw new AssertionError("No sample to test");
}
ResourcePoolManager resources = new ResourcePoolManager();
Set<String> modules = new HashSet<>();
for (int i = 0; i < samples.size(); i++) {
String module = samples.get(i);
modules.add(module);
i++;
String clazz = samples.get(i);
String path = "/" + module + "/" + clazz + ".class";
adder.add(resources, module, path);
}
for (int i = 0; i < samples.size(); i++) {
String module = samples.get(i);
i++;
String clazz = samples.get(i);
String path = "/" + module + "/" + clazz + ".class";
Optional<ResourcePoolEntry> res = resources.findEntry(path);
if (!res.isPresent()) {
throw new AssertionError("Resource not found " + path);
}
checkModule(resources.resourcePool(), res.get());
if (resources.findEntry(clazz).isPresent()) {
throw new AssertionError("Resource found " + clazz);
}
}
if (resources.entryCount() != samples.size() / 2) {
throw new AssertionError("Invalid number of resources");
}
}
private void checkModule(ResourcePool resources, ResourcePoolEntry res) {
Optional<ResourcePoolModule> optMod = resources.moduleView().findModule(res.moduleName());
if (!optMod.isPresent()) {
throw new AssertionError("No module " + res.moduleName());
}
ResourcePoolModule m = optMod.get();
if (!m.name().equals(res.moduleName())) {
throw new AssertionError("Not right module name " + res.moduleName());
}
if (!m.findEntry(res.path()).isPresent()) {
throw new AssertionError("resource " + res.path()
+ " not in module " + m.name());
}
}
private void checkResourcesAfterCompression() throws Exception {
ResourcePoolManager resources1 = new ResourcePoolManager();
ResourcePoolEntry res1 = ResourcePoolEntry.create("/module1/toto1", new byte[0]);
ResourcePoolEntry res2 = ResourcePoolEntry.create("/module2/toto1", new byte[0]);
resources1.add(res1);
resources1.add(res2);
checkResources(resources1, res1, res2);
ResourcePoolManager resources2 = new ResourcePoolManager();
ResourcePoolEntry res3 = ResourcePoolEntry.create("/module2/toto1", new byte[7]);
resources2.add(res3);
resources2.add(ResourcePoolManager.newCompressedResource(res1,
ByteBuffer.allocate(7), "zip", null, resources1.getStringTable(),
ByteOrder.nativeOrder()));
checkResources(resources2, res1, res2);
}
private void checkResources(ResourcePoolManager resources, ResourcePoolEntry... expected) {
List<String> modules = new ArrayList();
resources.modules().forEach(m -> {
modules.add(m.name());
});
for (ResourcePoolEntry res : expected) {
if (!resources.contains(res)) {
throw new AssertionError("Resource not found: " + res);
}
if (!resources.findEntry(res.path()).isPresent()) {
throw new AssertionError("Resource not found: " + res);
}
if (!modules.contains(res.moduleName())) {
throw new AssertionError("Module not found: " + res.moduleName());
}
if (!resources.contains(res)) {
throw new AssertionError("Resources not found: " + res);
}
try {
resources.add(res);
throw new AssertionError(res + " already present, but an exception is not thrown");
} catch (Exception ex) {
// Expected
}
}
try {
resources.add(ResourcePoolEntry.create("/module2/toto1", new byte[0]));
throw new AssertionError("ResourcePool is read-only, but an exception is not thrown");
} catch (Exception ex) {
// Expected
}
}
interface ResourceAdder {
void add(ResourcePoolManager resources, String module, String path);
}
}
¤ Dauer der Verarbeitung: 0.6 Sekunden
(vorverarbeitet)
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