/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.webresources;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.WebResource;
public class TestJarInputStreamWrapper {
@Test
public void testReadAfterClose() throws Exception {
Method m = InputStream.class.getMethod("read", (Class<?>[]) null);
testMethodAfterClose(m, (Object[]) null);
}
@Test
public void testSkipAfterClose() throws Exception {
Method m = InputStream.class.getMethod("skip", long.class);
testMethodAfterClose(m, Long.valueOf(1));
}
@Test
public void testAvailableAfterClose() throws Exception {
Method m = InputStream.class.getMethod("available", (Class<?>[]) null);
testMethodAfterClose(m, (Object[]) null);
}
@Test
public void testCloseAfterClose() throws Exception {
Method m = InputStream.class.getMethod("close", (Class<?>[]) null);
testMethodAfterClose(m, (Object[]) null);
}
@Test
public void testMarkAfterClose() throws Exception {
Method m = InputStream.class.getMethod("mark", int.class);
testMethodAfterClose(m, Integer.valueOf(1));
}
@Test
public void testResetAfterClose() throws Exception {
Method m = InputStream.class.getMethod("reset", (Class<?>[]) null);
testMethodAfterClose(m, (Object[]) null);
}
@Test
public void testMarkSupportedAfterClose() throws Exception {
Method m = InputStream.class.getMethod("markSupported", (Class<?>[]) null);
testMethodAfterClose(m, (Object[]) null);
}
private void testMethodAfterClose(Method m, Object... params) throws IOException {
InputStream unwrapped = getUnwrappedClosedInputStream();
InputStream wrapped = getWrappedClosedInputStream();
Object unwrappedReturn = null;
Exception unwrappedException = null;
Object wrappedReturn = null;
Exception wrappedException = null;
try {
unwrappedReturn = m.invoke(unwrapped, params);
} catch (Exception e) {
unwrappedException = e;
}
try {
wrappedReturn = m.invoke(wrapped, params);
} catch (Exception e) {
wrappedException = e;
}
if (unwrappedReturn == null) {
Assert.assertNull(wrappedReturn);
} else {
Assert.assertNotNull(wrappedReturn);
Assert.assertEquals(unwrappedReturn, wrappedReturn);
}
if (unwrappedException == null) {
Assert.assertNull(wrappedException);
} else {
Assert.assertNotNull(wrappedException);
Assert.assertEquals(unwrappedException.getClass(), wrappedException.getClass());
}
}
private InputStream getUnwrappedClosedInputStream() throws IOException {
File file = new File("test/webresources/non-static-resources.jar");
JarFile jarFile = new JarFile(file, true, ZipFile.OPEN_READ, Runtime.version());
ZipEntry jarEntry = jarFile.getEntry("META-INF/MANIFEST.MF");
InputStream unwrapped = jarFile.getInputStream(jarEntry);
unwrapped.close();
jarFile.close();
return unwrapped;
}
private InputStream getWrappedClosedInputStream() throws IOException {
StandardRoot root = new StandardRoot();
root.setCachingAllowed(false);
JarResourceSet jarResourceSet =
new JarResourceSet(root, "/", "test/webresources/non-static-resources.jar", "/");
WebResource webResource = jarResourceSet.getResource("/META-INF/MANIFEST.MF");
InputStream wrapped = webResource.getInputStream();
wrapped.close();
return wrapped;
}
}