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-rw-r--r--policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java20
-rw-r--r--policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java15
-rw-r--r--policy-utils/src/test/resources/interpolation.properties4
3 files changed, 33 insertions, 6 deletions
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
index c0014f4d..3891c858 100644
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/PropertyUtil.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-utils
* ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -31,6 +31,7 @@ import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
+import org.apache.commons.configuration2.ConfigurationConverter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -50,8 +51,10 @@ public class PropertyUtil {
private static final Logger logger = LoggerFactory.getLogger(PropertyUtil.class.getName());
/**
- * Read in a properties file.
- *
+ * Read in a properties file. Variable interpolation is performed by using
+ * apache commons configuration2 library. This allows for embedding system properties,
+ * constants, and environment variables in property files.
+ *
* @param file the properties file
* @return a Properties object, containing the associated properties
* @throws IOException - subclass 'FileNotFoundException' if the file
@@ -60,14 +63,21 @@ public class PropertyUtil {
*/
public static Properties getProperties(File file) throws IOException {
// create an InputStream (may throw a FileNotFoundException)
+ Properties rval = new Properties();
try (FileInputStream fis = new FileInputStream(file)) {
// create the properties instance
- Properties rval = new Properties();
// load properties (may throw an IOException)
rval.load(fis);
- return rval;
}
+
+ /*
+ * Return properties file with environment variables interpolated.
+ * It is necessary to construct the object in this fashion and avoid
+ * builders since they use the commons-beanutils (optional) library that has been
+ * flagged as insecured.
+ */
+ return ConfigurationConverter.getProperties(ConfigurationConverter.getConfiguration(rval));
}
/**
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
index 05440c69..2d5d356c 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* policy-utils
* ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -34,11 +34,18 @@ import java.util.UUID;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
+import org.onap.policy.drools.utils.logging.LoggerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PropertyUtilTest {
+
private static final Logger logger = LoggerFactory.getLogger(PropertyUtilTest.class);
+ private static final String INTERPOLATION_PROPERTIES = "src/test/resources/interpolation.properties";
+ private static final String INTERPOLATION_NO = "interpolation.no";
+ private static final String INTERPOLATION_ENV = "interpolation.env";
+ private static final String INTERPOLATION_CONST = "interpolation.const";
+ private static final String INTERPOLATION_SYS = "interpolation.sys";
private static File directory = null;
@@ -128,6 +135,12 @@ public class PropertyUtilTest {
// they should match
assertEquals(prop1, prop2);
+
+ Properties prop3 = PropertyUtil.getProperties(INTERPOLATION_PROPERTIES);
+ assertEquals("no", prop3.getProperty(INTERPOLATION_NO));
+ assertEquals(System.getenv("HOME"), prop3.getProperty(INTERPOLATION_ENV));
+ assertEquals(LoggerUtil.ROOT_LOGGER, prop3.getProperty(INTERPOLATION_CONST));
+ assertEquals(System.getProperty("user.home"), prop3.getProperty(INTERPOLATION_SYS));
}
/**
diff --git a/policy-utils/src/test/resources/interpolation.properties b/policy-utils/src/test/resources/interpolation.properties
new file mode 100644
index 00000000..66554337
--- /dev/null
+++ b/policy-utils/src/test/resources/interpolation.properties
@@ -0,0 +1,4 @@
+interpolation.no=no
+interpolation.env=${env:HOME}
+interpolation.const=${const:org.onap.policy.drools.utils.logging.LoggerUtil.ROOT_LOGGER}
+interpolation.sys=${sys:user.home}