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Code Issues Releases Wiki Activity

[core] Make Smack.getNoticeStream() more robust

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Appearently simply calling ClassLoader.getSystemResourceAsStream()
works on Java SE but not on Android. But our FileUtils are able to
load the resource stream on Android.
This commit is contained in:
Florian Schmaus 2021-03-25 14:58:44 +01:00
parent b58511d624
commit 33d735a42e
2 changed files with 29 additions and 2 deletions
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18
smack-core/src/main/java/org/jivesoftware/smack/Smack.java
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@ -1,6 +1,6 @@
/**
*
* Copyright 2020 Florian Schmaus
* Copyright 2020-2021 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -19,6 +19,8 @@ package org.jivesoftware.smack;
import java.io.InputStream;
import java.util.logging.Logger;
import org.jivesoftware.smack.util.FileUtils;
public class Smack {
private static final Logger LOGGER = Logger.getLogger(Smack.class.getName());
@ -38,8 +40,20 @@ public class Smack {
private static final String NOTICE_RESOURCE = SMACK_PACKAGE + "/NOTICE";
/**
* Get the stream of the NOTICE file of Smack.
* <p>
* This license of Smack requires that the contents of this NOTICE text file are shown "…within a display generated by
* the Derivative Works, if and wherever such third-party notices normally appear.".
* </p>
*
* @return the stream of the NOTICE file of Smack.
* @since 4.4.0
*/
public static InputStream getNoticeStream() {
return ClassLoader.getSystemResourceAsStream(NOTICE_RESOURCE);
InputStream res = FileUtils.getInputStreamForClasspathFile(NOTICE_RESOURCE);
assert res != null;
return res;
}
public static void ensureInitialized() {

13
smack-core/src/main/java/org/jivesoftware/smack/util/FileUtils.java
View file

@ -41,6 +41,19 @@ public final class FileUtils {
private static final Logger LOGGER = Logger.getLogger(FileUtils.class.getName());
public static InputStream getInputStreamForClasspathFile(String path) {
return getInputStreamForClasspathFile(path, null);
}
public static InputStream getInputStreamForClasspathFile(String path, ClassLoader loader) {
try {
return getStreamForClasspathFile(path, loader);
} catch (IOException e) {
LOGGER.log(Level.FINE, "Suppressed IOException in getInputStreamForClasspathFile", e);
return null;
}
}
public static InputStream getStreamForClasspathFile(String path, ClassLoader loader) throws IOException {
// Get an array of class loaders to try loading the providers files from.
List<ClassLoader> classLoaders = getClassLoaders();