Policy 1707 commit to LF

[policy/engine.git] / PolicyEngineUtils / src / main / java / org / openecomp / policy / utils / PolicyUtils.java

diff --git a/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java b/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java
index fd8102a..7519793 100644 (file)
--- a/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java
+++ b/PolicyEngineUtils/src/main/java/org/openecomp/policy/utils/PolicyUtils.java
@@ -21,16 +21,34 @@
 package org.openecomp.policy.utils;
 
 import java.io.IOException;
+import java.io.StringReader;
+import java.io.UnsupportedEncodingException;
+import java.util.Arrays;
 import java.util.Base64;
+import java.util.List;
 import java.util.StringTokenizer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.drools.core.io.impl.ReaderResource;
+import org.drools.verifier.Verifier;
+import org.drools.verifier.VerifierError;
+import org.drools.verifier.builder.VerifierBuilder;
+import org.drools.verifier.builder.VerifierBuilderFactory;
+import org.kie.api.io.ResourceType;
 
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.CharMatcher;
 
 public class PolicyUtils {
        
+       public static final String EMAIL_PATTERN =
+            "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@"
+            + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
+       
        public static String objectToJsonString(Object o) throws JsonProcessingException{
                ObjectMapper mapper = new ObjectMapper();
                return mapper.writeValueAsString(o);
@@ -42,6 +60,14 @@ public class PolicyUtils {
                return t;
        }
        
+       public static String decode(String encodedString) throws UnsupportedEncodingException { 
+               if(encodedString!=null && !encodedString.isEmpty()){ 
+                       return new String(Base64.getDecoder().decode(encodedString) ,"UTF-8"); 
+               }else{ 
+                       return null; 
+               } 
+       }
+       
        public static String[] decodeBasicEncoding(String encodedValue) throws Exception{
                if(encodedValue!=null && encodedValue.contains("Basic ")){
                        String encodedUserPassword = encodedValue.replaceFirst("Basic"  + " ", "");
@@ -56,4 +82,87 @@ public class PolicyUtils {
                        return null;
                }
        }
+       
+       public static String  emptyPolicyValidator(String field){
+        String error = "success";
+        if (field.equals("") || field.contains(" ") || !field.matches("^[a-zA-Z0-9_]*$")) {
+            error = "The Value in Required Field will allow only '{0-9}, {a-z}, {A-Z}, _' following set of Combinations";
+            return error;
+        } else {
+            if(CharMatcher.ASCII.matchesAllOf((CharSequence) field)){
+                 error = "success";
+            }else{
+                error = "The Value Contains Non ASCII Characters";
+                return error;
+            }   
+        }
+        return error;   
+    } 
+    
+    public static String descriptionValidator(String field) {
+        String error = "success";
+        if (field.contains("@CreatedBy:") || field.contains("@ModifiedBy:")) {
+             error = "The value in the description shouldn't contain @CreatedBy: or @ModifiedBy:";
+             return error;
+        } else {
+            error = "success";
+        }
+        return error;   
+    }
+    
+    public static String validateEmailAddress(String emailAddressValue) {
+        String error = "success";
+        List<String> emailList = Arrays.asList(emailAddressValue.toString().split(","));
+        for(int i =0 ; i < emailList.size() ; i++){
+            Pattern pattern = Pattern.compile(EMAIL_PATTERN);
+            Matcher matcher = pattern.matcher(emailList.get(i).trim());
+            if(!matcher.matches()){
+                error = "Please check the Following Email Address is not Valid ....   " +emailList.get(i).toString();
+                return error;
+            }else{
+                error = "success";
+            }
+        }
+        return error;       
+    }
+    
+    /*
+     * Check for "[ERR" to see if there are any errors. 
+     */
+    public static String brmsRawValidate(String rule){
+        VerifierBuilder vBuilder = VerifierBuilderFactory.newVerifierBuilder();
+        Verifier verifier = vBuilder.newVerifier();
+        verifier.addResourcesToVerify(new ReaderResource(new StringReader(rule)), ResourceType.DRL);
+        // Check if there are any Errors in Verification. 
+        if(verifier.getErrors().size()!=0){
+            String message = "Not a Valid DRL rule"; 
+            for(VerifierError error: verifier.getErrors()){
+                // Ignore annotations Error Messages
+                if(!error.getMessage().contains("'@'")){
+                    message = message + "\n" + error.getMessage();
+                }
+            }
+            return message;
+        }
+        return "";
+    }
+    
+    /**
+        * Given a version string consisting of integers with dots between them, convert it into an array of ints.
+        * 
+        * @param version
+        * @return
+        * @throws NumberFormatException
+        */
+       public static int[] versionStringToArray(String version) throws NumberFormatException {
+               if (version == null || version.length() == 0) {
+                       return new int[0];
+               }
+               String[] stringArray = version.split("\\.");
+               int[] resultArray = new int[stringArray.length];
+               for (int i = 0; i < stringArray.length; i++) {
+                       resultArray[i] = Integer.parseInt(stringArray[i]);
+               }
+               return resultArray;
+       }
 }