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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
* @bug 8027607
* @summary Test UTF-8 based properties files can be loaded successfully,
* @run main CodePointTest
* @run main/othervm -Djava.util.PropertyResourceBundle.encoding=ISO-8859-1 CodePointTest
* @run main/othervm -Djava.util.PropertyResourceBundle.encoding=UTF-8 CodePointTest
*/
import java.io.*;
import java.nio.charset.*;
import java.nio.file.*;
import java.util.*;
import static java.util.ResourceBundle.Control;
import java.util.stream.*;
/*
* Dumps every legal characters in ISO-8859-1/UTF-8 into
* a <CharSet>.properties file. Each entry has a form of
* "keyXXXX=c", where "XXXX" is a code point (variable length)
* and "c" is the character encoded in the passed character set.
* Then, load it with ResourceBundle.Control.newBundle() and compare both
* contents. This confirms the following two functions:
* - For UTF-8.properties, UTF-8 code points are loaded correctly
* - For ISO-8859-1.properties, UTF-8->ISO-8859-1 fallback works
*
* Does the same test with "java.util.PropertyResourceBundle.encoding"
* to "ISO-8859-1", and confirms only UTF-8 properties loading fails.
*/
public class CodePointTest {
static final Charset[] props = {StandardCharsets.ISO_8859_1,
StandardCharsets.UTF_8,
StandardCharsets.US_ASCII};
static final String encoding =
System.getProperty("java.util.PropertyResourceBundle.encoding", "");
public static void main(String[] args) {
for (Charset cs : props) {
try {
checkProps(cs,
cs == StandardCharsets.UTF_8 &&
encoding.equals("ISO-8859-1"));
if (cs == StandardCharsets.ISO_8859_1 &&
encoding.equals("UTF-8")) {
// should not happen
throw new RuntimeException("Reading ISO-8859-1 properties in "+
"strict UTF-8 encoding should throw an exception");
}
} catch (IOException e) {
if ((e instanceof MalformedInputException ||
e instanceof UnmappableCharacterException) &&
cs == StandardCharsets.ISO_8859_1 &&
encoding.equals("UTF-8")) {
// Expected exception is correctly detected.
} else {
throw new RuntimeException(e);
}
}
}
}
static void checkProps(Charset cs, boolean shouldFail) throws IOException {
int start = Character.MIN_CODE_POINT;
int end= 0;
switch (cs.name()) {
case "ISO-8859-1":
end = 0xff;
break;
case "UTF-8":
end = Character.MAX_CODE_POINT;
break;
case "US-ASCII":
end = 0x7f;
break;
default:
assert false;
}
Properties p = new Properties();
String outputName = cs.name() + ".properties";
// Forget previous test artifacts
ResourceBundle.clearCache();
IntStream.range(start, end+1).forEach(c ->
{
if (Character.isDefined(c) &&
(Character.isSupplementaryCodePoint(c) ||
!Character.isSurrogate((char)c))) {
p.setProperty("key"+Integer.toHexString(c),
Character.isSupplementaryCodePoint(c) ?
String.valueOf(Character.toChars(c)) :
Character.toString((char)c));
}
}
);
try (BufferedWriter bw = Files.newBufferedWriter(
FileSystems.getDefault().getPath(System.getProperty("test.classes", "."),
outputName), cs)) {
p.store(bw, null);
} catch (IOException ex) {
throw new RuntimeException(ex);
}
// try loading it
Control c = Control.getControl(Control.FORMAT_PROPERTIES);
ResourceBundle rb;
try {
rb = c.newBundle(cs.name(), Locale.ROOT, "java.properties",
CodePointTest.class.getClassLoader(), false);
} catch (IllegalAccessException |
InstantiationException ex) {
throw new RuntimeException(ex);
}
Properties result = new Properties();
rb.keySet().stream().forEach((key) -> {
result.setProperty(key, rb.getString(key));
});
if (!p.equals(result) && !shouldFail) {
System.out.println("Charset: "+cs);
rb.keySet().stream().sorted().forEach((key) -> {
if (!p.getProperty(key).equals(result.getProperty(key))) {
System.out.println(key+": file: "+p.getProperty(key)+", RB: "+result.getProperty(key));
}
});
throw new RuntimeException("not equal!");
}
}
}
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