Shared libs for regEx (#16)

* shared libs for regEx

* stepping the version

Author: saif-ericsson

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.ericsson</groupId>
     <artifactId>eiffel-commons-java</artifactId>
-    <version>0.0.6</version>
+    <version>0.0.7</version>
     <name>eiffel commons java</name>
     <description>A shared library for eiffel components</description>
 

src/main/java/com/ericsson/eiffelcommons/utils/RegExProvider.java

@@ -0,0 +1,19 @@
+package com.ericsson.eiffelcommons.utils;
+
+import java.io.IOException;
+
+import org.json.JSONObject;
+
+public class RegExProvider {
+    private static final String REGULAR_EXPRESSIONS_PATH = "regExs.json";
+
+    /**
+     * This method returns Json Object for regular expressions
+     *
+     * @return JSONObject
+     */
+    public static JSONObject getRegExs() throws IOException {
+
+        return Utils.getResourceFileAsJsonObject(REGULAR_EXPRESSIONS_PATH);
+    }
+}

src/main/resources/regExs.json

@@ -0,0 +1,4 @@
+{
+  "invalidName" : "(\\W)",
+  "validEmail" : "^(([^<>()\\[\\]\\\\.,;:\\s@\"]+(\\.[^<>()\\[\\]\\\\.,;:\\s@\"]+)*)|(\".+\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}])|(([a-zA-Z\\-0-9]+\\.)+[a-zA-Z]{2,}))$"
+}

src/test/java/com/ericsson/eiffelcommons/Utilstest/RegExProviderTest.java

@@ -0,0 +1,41 @@
+package com.ericsson.eiffelcommons.Utilstest;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+
+import org.json.JSONException;
+import org.junit.Test;
+
+import com.ericsson.eiffelcommons.utils.RegExProvider;
+
+public class RegExProviderTest {
+
+    @Test
+    public void test() {
+        String regExForInvalidName = getValue("invalidName");
+        String regExForValidEmail = getValue("validEmail");
+
+        assertEquals(regExForInvalidName, "(\\W)");
+        assertEquals(regExForValidEmail,
+                "^(([^<>()\\[\\]\\\\.,;:\\s@\"]+(\\.[^<>()\\[\\]\\\\.,;:\\s@\"]+)*)|(\".+\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}])|(([a-zA-Z\\-0-9]+\\.)+[a-zA-Z]{2,}))$");
+    }
+
+    /**
+     * This function takes a key and returns the corresponding value from the
+     * JSONObject
+     *
+     * @param String
+     *            key
+     * @return String value
+     */
+    public String getValue(String key) {
+        String value = null;
+        try {
+            value = (String) RegExProvider.getRegExs().get(key);
+        } catch (JSONException | IOException e) {
+            e.printStackTrace();
+        }
+        return value;
+    }
+}