/*
* Copyright 2002-2006,2009 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 com.opensymphony.xwork2.config.providers;
import org.apache.commons.lang3.text.StrSubstitutor;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class EnvsValueSubstitutor implements ValueSubstitutor {
private static final Logger LOG = LogManager.getLogger(EnvsValueSubstitutor.class);
protected StrSubstitutor strSubstitutor;
public EnvsValueSubstitutor() {
strSubstitutor = new StrSubstitutor(System.getenv());
strSubstitutor.setVariablePrefix("${env.");
strSubstitutor.setVariableSuffix('}');
strSubstitutor.setValueDelimiter(":");
}
@Override
public String substitute(String value) {
LOG.debug("Substituting value {} with proper System variable or environment variable", value);
String substituted = StrSubstitutor.replaceSystemProperties(value);
return strSubstitutor.replace(substituted);
}
}