Merge branch '2.1.x'

This commit is contained in:
Andy Wilkinson 2019-02-05 11:11:07 +00:00
commit b3abd25e22
2 changed files with 26 additions and 23 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -19,7 +19,6 @@ package org.springframework.boot.loader.jar;
import java.io.File;
import java.io.IOException;
import java.lang.ref.SoftReference;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
@ -58,20 +57,6 @@ public class Handler extends URLStreamHandler {
private static final String[] FALLBACK_HANDLERS = {
"sun.net.www.protocol.jar.Handler" };
private static final Method OPEN_CONNECTION_METHOD;
static {
Method method = null;
try {
method = URLStreamHandler.class.getDeclaredMethod("openConnection",
URL.class);
}
catch (Exception ex) {
// Swallow and ignore
}
OPEN_CONNECTION_METHOD = method;
}
private static SoftReference<Map<File, JarFile>> rootFileCache;
static {
@ -159,12 +144,7 @@ public class Handler extends URLStreamHandler {
private URLConnection openConnection(URLStreamHandler handler, URL url)
throws Exception {
if (OPEN_CONNECTION_METHOD == null) {
throw new IllegalStateException(
"Unable to invoke fallback open connection method");
}
OPEN_CONNECTION_METHOD.setAccessible(true);
return (URLConnection) OPEN_CONNECTION_METHOD.invoke(handler, url);
return new URL(null, url.toExternalForm(), handler).openConnection();
}
@Override

View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,10 +16,16 @@
package org.springframework.boot.loader.jar;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.springframework.boot.loader.TestJarCreator;
import static org.assertj.core.api.Assertions.assertThat;
@ -30,6 +36,9 @@ import static org.assertj.core.api.Assertions.assertThat;
*/
public class HandlerTests {
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
private final Handler handler = new Handler();
@Test
@ -170,6 +179,20 @@ public class HandlerTests {
"!/foo.txt?alpha");
}
@Test
public void fallbackToJdksJarUrlStreamHandler() throws Exception {
File testJar = this.temporaryFolder.newFile("test.jar");
TestJarCreator.createTestJar(testJar);
URLConnection connection = new URL(null,
"jar:file:" + testJar.getAbsolutePath() + "!/nested.jar!/", this.handler)
.openConnection();
assertThat(connection).isInstanceOf(JarURLConnection.class);
URLConnection jdkConnection = new URL(null,
"jar:file:file:" + testJar.getAbsolutePath() + "!/nested.jar!/",
this.handler).openConnection();
assertThat(jdkConnection).isNotInstanceOf(JarURLConnection.class);
}
private void assertStandardAndCustomHandlerUrlsAreEqual(String context, String spec)
throws MalformedURLException {
URL standardUrl = new URL(new URL("jar:" + context), spec);