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Java example source code file (PropertiesTest.java)
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The PropertiesTest.java Java example source code
/*
* Copyright (c) 2007, 2012, 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.
*/
import java.io.*;
import java.text.*;
import java.util.*;
import java.util.regex.*;
public class PropertiesTest {
public static void main(String[] args) throws Exception {
if (args.length == 2 && args[0].equals("-d")) {
dump(args[1]);
} else if (args.length == 4 && args[0].equals("-c")) {
compare(args[1], args[2], args[3]);
} else {
System.err.println("Usage: java PropertiesTest -d <dumpfile>");
System.err.println(" java PropertiesTest -c <beforedump> ");
System.exit(-1);
}
}
private static void dump(String outfile) {
File f = new File(outfile);
PrintWriter pw;
try {
f.createNewFile();
pw = new PrintWriter(f);
} catch (Exception fnfe) {
throw new RuntimeException(fnfe);
}
for (char c1 = 'A'; c1 <= 'Z'; c1++) {
for (char c2 = 'A'; c2 <= 'Z'; c2++) {
String ctry = new StringBuilder().append(c1).append(c2).toString();
try {
Currency c = Currency.getInstance(new Locale("", ctry));
if (c != null) {
pw.printf(Locale.ROOT, "%s=%s,%03d,%1d\n",
ctry,
c.getCurrencyCode(),
c.getNumericCode(),
c.getDefaultFractionDigits());
}
} catch (IllegalArgumentException iae) {
// invalid country code
continue;
}
}
}
pw.flush();
pw.close();
}
private static void compare(String beforeFile, String afterFile, String propsFile)
throws IOException
{
// load file contents
Properties before = new Properties();
try (Reader reader = new FileReader(beforeFile)) {
before.load(reader);
}
Properties after = new Properties();
try (Reader reader = new FileReader(afterFile)) {
after.load(reader);
}
// remove the same contents from the 'after' properties
Set<String> keys = before.stringPropertyNames();
for (String key: keys) {
String beforeVal = before.getProperty(key);
String afterVal = after.getProperty(key);
System.out.printf("Removing country: %s. before: %s, after: %s", key, beforeVal, afterVal);
if (beforeVal.equals(afterVal)) {
after.remove(key);
System.out.printf(" --- removed\n");
} else {
System.out.printf(" --- NOT removed\n");
}
}
// now look at the currency.properties
Properties p = new Properties();
try (Reader reader = new FileReader(propsFile)) {
p.load(reader);
}
// test each replacements
keys = p.stringPropertyNames();
Pattern propertiesPattern =
Pattern.compile("([A-Z]{3})\\s*,\\s*(\\d{3})\\s*,\\s*" +
"([0-3])\\s*,?\\s*(\\d{4}-\\d{2}-\\d{2}T\\d{2}:" +
"\\d{2}:\\d{2})?");
for (String key: keys) {
String val = p.getProperty(key);
try {
if (countOccurrences(val, ',') == 3 && !isPastCutoverDate(val)) {
System.out.println("Skipping since date is in future");
continue; // skip since date in future (no effect)
}
} catch (ParseException pe) {
// swallow - currency class should not honour this value
continue;
}
String afterVal = after.getProperty(key);
System.out.printf("Testing key: %s, val: %s... ", key, val);
System.out.println("AfterVal is : " + afterVal);
Matcher m = propertiesPattern.matcher(val.toUpperCase(Locale.ROOT));
if (!m.find()) {
// format is not recognized.
System.out.printf("Format is not recognized.\n");
if (afterVal != null) {
throw new RuntimeException("Currency data replacement for "+key+" failed: It was incorrectly altered to "+afterVal);
}
// ignore this
continue;
}
Matcher mAfter = propertiesPattern.matcher(afterVal);
mAfter.find();
String code = m.group(1);
String codeAfter = mAfter.group(1);
int numeric = Integer.parseInt(m.group(2));
int numericAfter = Integer.parseInt(mAfter.group(2));
int fraction = Integer.parseInt(m.group(3));
int fractionAfter = Integer.parseInt(mAfter.group(3));
if (code.equals(codeAfter) &&
(numeric == numericAfter)&&
(fraction == fractionAfter)) {
after.remove(key);
} else {
throw new RuntimeException("Currency data replacement for "+key+" failed: actual: (alphacode: "+codeAfter+", numcode: "+numericAfter+", fraction: "+fractionAfter+"), expected: (alphacode: "+code+", numcode: "+numeric+", fraction: "+fraction+")");
}
System.out.printf("Success!\n");
}
if (!after.isEmpty()) {
StringBuilder sb = new StringBuilder()
.append("Currency data replacement failed. Unnecessary modification was(were) made for the following currencies:\n");
keys = after.stringPropertyNames();
for (String key : keys) {
sb.append(" country: ")
.append(key)
.append(" currency: ")
.append(after.getProperty(key))
.append("\n");
}
throw new RuntimeException(sb.toString());
}
}
private static boolean isPastCutoverDate(String s)
throws IndexOutOfBoundsException, NullPointerException, ParseException {
String dateString = s.substring(s.lastIndexOf(',')+1, s.length()).trim();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.ROOT);
format.setTimeZone(TimeZone.getTimeZone("GMT"));
format.setLenient(false);
long time = format.parse(dateString).getTime();
if (System.currentTimeMillis() - time >= 0L) {
return true;
} else {
return false;
}
}
private static int countOccurrences(String value, char match) {
int count = 0;
for (char c : value.toCharArray()) {
if (c == match) {
++count;
}
}
return count;
}
}
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