diff options
Diffstat (limited to 'controlloop/common/guard')
| -rw-r--r-- | controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuardYamlToXacml.java | 132 |
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; } } |