| /* Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed 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 misc.checkin; |
| |
| import org.apache.xmlbeans.XmlErrorCodes; |
| import org.junit.Test; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.Enumeration; |
| import java.util.LinkedHashSet; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| public class ErrorCodeTest { |
| @Test |
| public void testCodes() throws Exception |
| { |
| // throws Exception if a duplicate error code value is found. |
| Set codes = readCodes(); |
| |
| // throws Exception if a duplicate message property key is found. |
| Properties messages = readMessages(); |
| |
| // each message key should have an error code value |
| Enumeration e = messages.keys(); |
| while (e.hasMoreElements()) { |
| String key = (String) e.nextElement(); |
| |
| // these properties are known not to have an error code |
| if (key.equals("message.missing.resource") || key.equals("message.pattern.invalid")) |
| continue; |
| |
| if (!codes.contains(key)) |
| throw new Exception("message.properties key '" + key + "' has no error code."); |
| } |
| |
| // each error code value should have a message key |
| for (Object code1 : codes) { |
| String code = (String) code1; |
| if (messages.get(code) == null) |
| throw new Exception("missing message.properties key for error code: " + code); |
| } |
| |
| } |
| |
| /** |
| * Reads the field values of the public static final String fields of XmlErrorCodes. |
| * Throws an Exception if a duplicate value is found. |
| */ |
| private Set readCodes() throws Exception |
| { |
| Set result = new LinkedHashSet(); |
| |
| Field[] fields = XmlErrorCodes.class.getDeclaredFields(); |
| for (int i = 0; i < fields.length; i++) { |
| Field field = fields[i]; |
| int modifiers = field.getModifiers(); |
| |
| // only look at fields that are public static final |
| if ((modifiers & (Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL)) == 0) |
| continue; |
| |
| // only look at String fields |
| if (field.getType() != String.class) |
| continue; |
| |
| String value = (String)field.get(null); |
| |
| if (!result.add(value)) |
| throw new Exception("duplicate error code value in XmlErrorCodes: " + value + " in field " + field.getName()); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Reads the message.properties file and throws an exception if a duplicate property key is found. |
| */ |
| private Properties readMessages() throws Exception |
| { |
| class UniqueProperties extends Properties |
| { |
| public Object put(Object key, Object value) |
| { |
| Object old = super.put(key, value); |
| if (old != null) |
| throw new RuntimeException("duplicate property key '" + key + "' with value: " + value); |
| return null; |
| } |
| } |
| |
| Properties result = new UniqueProperties(); |
| result.load(XmlErrorCodes.class.getResourceAsStream("message.properties")); |
| return result; |
| } |
| |
| } |