import java.util.Arrays;
import java.util.Base64;
import java.util.List;
+import java.util.Scanner;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
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 org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.xml.sax.InputSource;
+import org.xml.sax.XMLReader;
+import com.att.aft.dme2.internal.gson.JsonParser;
+import com.att.aft.dme2.internal.gson.JsonSyntaxException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.CharMatcher;
public class PolicyUtils {
-
- public static final String EMAIL_PATTERN =
+ private static final Logger LOGGER = FlexLogger.getLogger(PolicyUtils.class);
+
+ 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,})$";
- private static final String PACKAGE_ERROR = "mismatched input '{' expecting one of the following tokens: '[package";
- private static final String SUCCESS = "success";
-
- private PolicyUtils(){
- // Private Constructor
- }
- public static String objectToJsonString(Object o) throws JsonProcessingException{
- ObjectMapper mapper = new ObjectMapper();
- return mapper.writeValueAsString(o);
- }
-
- public static <T> T jsonStringToObject(String jsonString, Class<T> className) throws IOException{
- ObjectMapper mapper = new ObjectMapper();
- return mapper.readValue(jsonString, className);
- }
-
- 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 UnsupportedEncodingException {
- if(encodedValue!=null && encodedValue.contains("Basic ")){
- String encodedUserPassword = encodedValue.replaceFirst("Basic" + " ", "");
- String usernameAndPassword = null;
- byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
- usernameAndPassword = new String(decodedBytes, "UTF-8");
- StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
- String username = tokenizer.nextToken();
- String password = tokenizer.nextToken();
- return new String[]{username, password};
- }else{
- return new String[]{};
- }
- }
-
- public static String emptyPolicyValidator(String field){
+ private static final String PACKAGE_ERROR = "mismatched input '{' expecting one of the following tokens: '[package";
+ private static final String SUCCESS = "success";
+
+ private PolicyUtils(){
+ // Private Constructor
+ }
+
+ /**
+ * Converts an Object to JSON String
+ *
+ * @param o Object
+ * @return String format of Object JSON.
+ * @throws JsonProcessingException
+ */
+ public static String objectToJsonString(Object o) throws JsonProcessingException{
+ ObjectMapper mapper = new ObjectMapper();
+ return mapper.writeValueAsString(o);
+ }
+
+ /**
+ * Converts JSON string into Object
+ *
+ * @param jsonString
+ * @param className equivalent Class of the given JSON string
+ * @return T instance of the class given.
+ * @throws IOException
+ */
+ public static <T> T jsonStringToObject(String jsonString, Class<T> className) throws IOException{
+ ObjectMapper mapper = new ObjectMapper();
+ return mapper.readValue(jsonString, className);
+ }
+
+ /**
+ * Decode a base64 string
+ *
+ * @param encodedString
+ * @return String
+ * @throws UnsupportedEncodingException
+ */
+ 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;
+ }
+ }
+
+ /**
+ * Decodes Basic Authentication
+ *
+ * @param encodedValue
+ * @return
+ * @throws UnsupportedEncodingException
+ */
+ public static String[] decodeBasicEncoding(String encodedValue) throws UnsupportedEncodingException {
+ if(encodedValue!=null && encodedValue.contains("Basic ")){
+ String encodedUserPassword = encodedValue.replaceFirst("Basic" + " ", "");
+ String usernameAndPassword = null;
+ byte[] decodedBytes = Base64.getDecoder().decode(encodedUserPassword);
+ usernameAndPassword = new String(decodedBytes, "UTF-8");
+ StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
+ String username = tokenizer.nextToken();
+ String password = tokenizer.nextToken();
+ return new String[]{username, password};
+ }else{
+ return new String[]{};
+ }
+ }
+
+ /**
+ * Validate a field if contains space or unacceptable policy input and return "success" if good.
+ *
+ * @param field
+ * @return
+ */
+ public static String policySpecialCharValidator(String field){
String error;
if ("".equals(field) || 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;
}
- return error;
+ return SUCCESS;
}
- public static String emptyPolicyValidatorWithSpaceAllowed(String field){
+ /**
+ * Validate a field (accepts space) if it contains unacceptable policy input and return "success" if good.
+ *
+ * @param field
+ * @return
+ */
+ public static String policySpecialCharWithSpaceValidator(String field){
String error;
if ("".equals(field) || !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;
+ return SUCCESS;
}
+
+ /**
+ * Validate the XACML description tag and return "success" if good.
+ *
+ * @param field
+ * @return
+ */
public static String descriptionValidator(String field) {
String error;
if (field.contains("@CreatedBy:") || field.contains("@ModifiedBy:")) {
return error;
}
+ /**
+ * Validate if string contains non ASCII characters
+ *
+ * @param value
+ * @return
+ */
+ public static boolean containsNonAsciiEmptyChars(String value) {
+ return (value == null|| value.contains(" ") || "".equals(value.trim())|| !CharMatcher.ASCII.matchesAllOf((CharSequence) value))? true:false;
+ }
+
+ /**
+ * Validate if given string is an integer.
+ *
+ * @param number
+ * @return
+ */
public static Boolean isInteger(String number){
- try{
- Integer.parseInt(number);
- }catch(NumberFormatException e){
- return false;
- }
- return true;
+ if(number==null) {
+ return false;
+ }
+ for (char c : number.toCharArray()){
+ if (!Character.isDigit(c)) return false;
+ }
+ return true;
}
+ /**
+ * Validate Email Address and return "success" if good.
+ *
+ * @param emailAddressValue
+ * @return
+ */
public static String validateEmailAddress(String emailAddressValue) {
String error = SUCCESS;
List<String> emailList = Arrays.asList(emailAddressValue.split(","));
return error;
}
- /*
- * Check for "[ERR" to see if there are any errors.
+ /**
+ * Validates BRMS rule as per Policy Platform and return string contains "[ERR" if there are any errors.
+ *
+ * @param rule
+ * @return String error message
*/
public static String brmsRawValidate(String rule){
VerifierBuilder vBuilder = VerifierBuilderFactory.newVerifierBuilder();
verifier.addResourcesToVerify(new ReaderResource(new StringReader(rule)), ResourceType.DRL);
// Check if there are any Errors in Verification.
if(!verifier.getErrors().isEmpty()){
- boolean ignore = false;
+ boolean ignore = false;
StringBuilder message = new StringBuilder("Not a Valid DRL rule");
for(VerifierError error: verifier.getErrors()){
// Ignore annotations Error Messages
if(!error.getMessage().contains("'@'") && !error.getMessage().contains(PACKAGE_ERROR)){
- ignore= true;
+ ignore= true;
message.append("\n" + error.getMessage());
}
}
- // Ignore new package names with {
+ // Ignore new package names with '{'
// More checks for message to check if its a package error.
if(ignore && !message.toString().contains("Parser returned a null Package")){
- message.append("[ERR 107]");
+ message.append("[ERR 107]");
}
return message.toString();
}
}
/**
- * 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;
- }
-}
+ * Validates if the given string is proper JSON format.
+ *
+ * @param data
+ * @return
+ */
+ public static boolean isJSONValid(String data) {
+ try{
+ JsonParser parser = new JsonParser();
+ parser.parse(data);
+ }catch(JsonSyntaxException e){
+ LOGGER.error("Exception Occurred While Validating"+e);
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Validates if the given string is proper XML format.
+ *
+ * @param data
+ * @return
+ */
+ public static boolean isXMLValid(String data) {
+ SAXParserFactory factory = SAXParserFactory.newInstance();
+ factory.setValidating(false);
+ factory.setNamespaceAware(true);
+ try {
+ SAXParser parser = factory.newSAXParser();
+ XMLReader reader = parser.getXMLReader();
+ reader.setErrorHandler(new XMLErrorHandler());
+ reader.parse(new InputSource(new StringReader(data)));
+ } catch (Exception e) {
+ LOGGER.error("Exception Occured While Validating"+e);
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Validates if given string is valid Properties format.
+ *
+ * @param prop
+ * @return
+ */
+ public static boolean isPropValid(String prop) {
+ Scanner scanner = new Scanner(prop);
+ while (scanner.hasNextLine()) {
+ String line = scanner.nextLine();
+ line = line.replaceAll("\\s+", "");
+ if (line.startsWith("#")) {
+ continue;
+ } else {
+ if (line.contains("=")) {
+ String[] parts = line.split("=");
+ if (parts.length < 2) {
+ scanner.close();
+ return false;
+ }
+ } else if(!line.trim().isEmpty()){
+ scanner.close();
+ return false;
+ }
+ }
+ }
+ scanner.close();
+ return true;
+ }
+
+ /**
+ * Given a version string consisting of integers with dots between them, convert it into an array of integers.
+ *
+ * @param version
+ * @return
+ * @throws NumberFormatException
+ */
+ public static int[] versionStringToArray(String version){
+ 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].trim());
+ }
+ return resultArray;
+ }
+}
\ No newline at end of file
Code Review / policy / engine.git / blobdiff