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/**
* Copyright 2010, Nicolas Leroux.
*
* 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.
*
*
User: ${user} Date: ${date}
*/
package play.libs;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import play.Play;
public class Expression {
private static final Pattern expression = Pattern.compile("^\\$\\{(.*)}$");
public static Object evaluate(String value, String defaultValue) {
Matcher matcher = expression.matcher(value);
if (matcher.matches()) {
return Play.configuration.getProperty(matcher.group(1), defaultValue);
}
return value;
}
}