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-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java132
1 files changed, 47 insertions, 85 deletions
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java
index a64abcad4..057c3f116 100644
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java
+++ b/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java
@@ -2,14 +2,14 @@
* ============LICENSE_START=======================================================
* guard
* ================================================================================
- * Copyright (C) 2017 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.
* 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.
@@ -25,9 +25,7 @@ import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
+import java.util.function.Consumer;
import org.onap.policy.controlloop.policy.guard.Constraint;
import org.onap.policy.controlloop.policy.guard.ControlLoopGuard;
import org.onap.policy.controlloop.policy.guard.GuardPolicy;
@@ -44,7 +42,7 @@ public class PolicyGuardYamlToXacml {
/**
* Convert from Yaml to Xacml.
- *
+ *
* @param yamlFile the Yaml file
* @param xacmlTemplate the Xacml template
* @param xacmlPolicyOutput the Xacml output
@@ -78,7 +76,7 @@ public class PolicyGuardYamlToXacml {
/**
* Generate a Xacml guard.
- *
+ *
* @param xacmlTemplateContent the Xacml template content
* @param matchParameters the paremeters to use
* @param constraint the constraint to use
@@ -86,29 +84,9 @@ public class PolicyGuardYamlToXacml {
*/
private static String generateXacmlGuard(String xacmlTemplateContent, MatchParameters matchParameters,
Constraint constraint) {
- Pattern pattern = Pattern.compile("\\$\\{clname\\}");
- Matcher matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getControlLoopName())) {
- matchParameters.setControlLoopName(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getControlLoopName());
- pattern = Pattern.compile("\\$\\{actor\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getActor())) {
- matchParameters.setActor(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getActor());
+ xacmlTemplateContent = doCommonReplacements(xacmlTemplateContent, matchParameters, constraint);
- pattern = Pattern.compile("\\$\\{recipe\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getRecipe())) {
- matchParameters.setRecipe(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getRecipe());
-
- pattern = Pattern.compile("\\$\\{targets\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
String targetsRegex = "";
if (isNullOrEmptyList(matchParameters.getTargets())) {
targetsRegex = ".*";
@@ -125,33 +103,47 @@ public class PolicyGuardYamlToXacml {
}
targetsRegex = targetsRegexSb.toString();
}
- xacmlTemplateContent = matcher.replaceAll(targetsRegex);
+ xacmlTemplateContent = xacmlTemplateContent.replace("${targets}", targetsRegex);
+
+ xacmlTemplateContent = xacmlTemplateContent.replace("${limit}",
+ constraint.getFreq_limit_per_target().toString());
+
+ xacmlTemplateContent = xacmlTemplateContent.replace("${twValue}", constraint.getTime_window().get("value"));
- pattern = Pattern.compile("\\$\\{limit\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getFreq_limit_per_target().toString());
+ xacmlTemplateContent = xacmlTemplateContent.replace("${twUnits}", constraint.getTime_window().get("units"));
- pattern = Pattern.compile("\\$\\{twValue\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getTime_window().get("value"));
+ logger.debug(xacmlTemplateContent);
- pattern = Pattern.compile("\\$\\{twUnits\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getTime_window().get("units"));
+ return xacmlTemplateContent;
+ }
+ private static String doCommonReplacements(String xacmlTemplateContent, MatchParameters matchParameters,
+ Constraint constraint) {
- pattern = Pattern.compile("\\$\\{guardActiveStart\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getActive_time_range().get("start"));
+ replaceNullOrEmpty(matchParameters.getControlLoopName(), matchParameters::setControlLoopName, ".*");
+ xacmlTemplateContent = xacmlTemplateContent.replace("${clname}", matchParameters.getControlLoopName());
- pattern = Pattern.compile("\\$\\{guardActiveEnd\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getActive_time_range().get("end"));
- logger.debug(xacmlTemplateContent);
+ replaceNullOrEmpty(matchParameters.getActor(), matchParameters::setActor, ".*");
+ xacmlTemplateContent = xacmlTemplateContent.replace("${actor}", matchParameters.getActor());
+
+ replaceNullOrEmpty(matchParameters.getRecipe(), matchParameters::setRecipe, ".*");
+ xacmlTemplateContent = xacmlTemplateContent.replace("${recipe}", matchParameters.getRecipe());
+
+ xacmlTemplateContent = xacmlTemplateContent.replace("${guardActiveStart}",
+ constraint.getActive_time_range().get("start"));
+
+ xacmlTemplateContent = xacmlTemplateContent.replace("${guardActiveEnd}",
+ constraint.getActive_time_range().get("end"));
return xacmlTemplateContent;
}
+ private static void replaceNullOrEmpty(String text, Consumer<String> replacer, String newValue) {
+ if (isNullOrEmpty(text)) {
+ replacer.accept(newValue);
+ }
+ }
+
public static boolean isNullOrEmpty(String string) {
return string == null || string.trim().isEmpty();
}
@@ -162,7 +154,7 @@ public class PolicyGuardYamlToXacml {
/**
* Convert from Yaml to Xacml blacklist.
- *
+ *
* @param yamlFile the Yaml file
* @param xacmlTemplate the Xacml template
* @param xacmlPolicyOutput the Xacml output
@@ -185,6 +177,8 @@ public class PolicyGuardYamlToXacml {
String xacmlPolicyContent = generateXacmlGuardBlacklist(xacmlTemplateContent,
guardPolicy.getMatch_parameters(), constraint);
+ logger.debug("{}", xacmlPolicyContent);
+
Files.write(Paths.get(xacmlPolicyOutput), xacmlPolicyContent.getBytes());
} catch (IOException e) {
@@ -194,49 +188,17 @@ public class PolicyGuardYamlToXacml {
private static String generateXacmlGuardBlacklist(String xacmlTemplateContent, MatchParameters matchParameters,
Constraint constraint) {
- Pattern pattern = Pattern.compile("\\$\\{clname\\}");
- Matcher matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getControlLoopName())) {
- matchParameters.setControlLoopName(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getControlLoopName());
- pattern = Pattern.compile("\\$\\{actor\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getActor())) {
- matchParameters.setActor(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getActor());
-
- pattern = Pattern.compile("\\$\\{recipe\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- if (isNullOrEmpty(matchParameters.getRecipe())) {
- matchParameters.setRecipe(".*");
- }
- xacmlTemplateContent = matcher.replaceAll(matchParameters.getRecipe());
-
- pattern = Pattern.compile("\\$\\{guardActiveStart\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getActive_time_range().get("start"));
-
- pattern = Pattern.compile("\\$\\{guardActiveEnd\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll(constraint.getActive_time_range().get("end"));
- logger.debug(xacmlTemplateContent);
+ String result = doCommonReplacements(xacmlTemplateContent, matchParameters, constraint);
for (String target : constraint.getBlacklist()) {
- pattern = Pattern.compile("\\$\\{blackListElement\\}");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent =
- matcher.replaceAll("<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">" + target
- + "</AttributeValue>" + "\n\t\t\t\t\t\t\\$\\{blackListElement\\}\n");
+ result = result.replace("${blackListElement}",
+ "<AttributeValue DataType=\"http://www.w3.org/2001/XMLSchema#string\">" + target
+ + "</AttributeValue>" + "\n\t\t\t\t\t\t\\${blackListElement}\n");
}
- pattern = Pattern.compile("\t\t\t\t\t\t\\$\\{blackListElement\\}\n");
- matcher = pattern.matcher(xacmlTemplateContent);
- xacmlTemplateContent = matcher.replaceAll("");
-
+ result = result.replace("\t\t\t\t\t\t\\${blackListElement}\n", "");
- return xacmlTemplateContent;
+ return result;
}
}