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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdnc.prop;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;
import org.openecomp.sdnc.sli.SvcLogicContext;
import org.openecomp.sdnc.sli.SvcLogicException;
import org.openecomp.sdnc.sli.SvcLogicJavaPlugin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PropertiesNode implements SvcLogicJavaPlugin {
private static final Logger log = LoggerFactory.getLogger(PropertiesNode.class);
public void readProperties(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
String fileName = parseParam(paramMap, "fileName", true, null);
String contextPrefix = parseParam(paramMap, "contextPrefix", false, null);
try {
Properties pp = new Properties();
InputStream in = new FileInputStream(fileName);
pp.load(in);
for (Object key : pp.keySet()) {
String pfx = contextPrefix != null ? contextPrefix + '.' : "";
String name = (String) key;
String value = pp.getProperty(name);
if (value != null && value.trim().length() > 0) {
ctx.setAttribute(pfx + name, value.trim());
log.info("+++ " + pfx + name + ": [" + value + "]");
}
}
} catch (IOException e) {
throw new SvcLogicException("Cannot read property file: " + fileName + ": " + e.getMessage(), e);
}
}
private String parseParam(Map<String, String> paramMap, String name, boolean required, String def)
throws SvcLogicException {
String s = paramMap.get(name);
if (s == null || s.trim().length() == 0) {
if (!required)
return def;
throw new SvcLogicException("Parameter " + name + " is required in PropertiesNode");
}
s = s.trim();
String value = "";
int i = 0;
int i1 = s.indexOf('%');
while (i1 >= 0) {
int i2 = s.indexOf('%', i1 + 1);
if (i2 < 0)
throw new SvcLogicException("Cannot parse parameter " + name + ": " + s + ": no matching %");
String varName = s.substring(i1 + 1, i2);
String varValue = System.getenv(varName);
if (varValue == null)
varValue = "";
value += s.substring(i, i1);
value += varValue;
i = i2 + 1;
i1 = s.indexOf('%', i);
}
value += s.substring(i);
log.info("Parameter " + name + ": " + value);
return value;
}
}
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