Lowercased fields and use GSON's alternative name to make it work.

build.gradle

@@ -17,7 +17,6 @@ apply plugin: 'maven-publish'
 apply plugin: 'com.jfrog.bintray'
 //apply from: "${project.projectDir}/gradle/clover.gradle"
 
-version = "${version}-SNAPSHOT"
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 

gradle.properties

@@ -1,6 +1,6 @@
 id            = libpaqle
 group         = biz.nellemann.libs
-version       = 1.0.0
+version       = 1.0.1
 licenses      = ['APACHE-2.0'] // or something else 
 groovyVersion = 2.5.8
 slf4jVersion  = 1.7.28

src/main/java/biz/nellemann/libpaqle/Paqle.java

@@ -25,6 +25,7 @@ import java.util.List;
 import biz.nellemann.libpaqle.pojo.PaqleResponse;
 import com.google.gson.Gson;
 
+import com.google.gson.GsonBuilder;
 import com.google.gson.JsonSyntaxException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -78,25 +79,28 @@ public class Paqle {
     }
 
 
-    protected String getJson(List<String> vatNumbers) throws Exception {
-    	String cvrIds =  String.join(",", vatNumbers);
-        String jsonText = get(baseUrl + "/entities?customer=" + company + "&news&cvrIds=" + cvrIds);
-        log.debug("getEntities() response: " + jsonText);
+    protected String getJson(String vatNumber) throws Exception {
+    	//String cvrIds =  String.join(",", vatNumbers);
+        String jsonText = get(baseUrl + "/entities?customer=" + company + "&news&vatNumbers=" + "DK"+vatNumber);
+        log.debug("getJson() response: " + jsonText);
         return jsonText;
     }
 
 
 	protected PaqleResponse deserializeJson(String json) throws JsonSyntaxException {
-		Gson gson = new Gson();
+		//Gson gson = new Gson();
+		Gson gson = new GsonBuilder()
+			.setDateFormat("yyyy-MM-dd'T'HH:mm:ssz")
+			.create();
 		PaqleResponse response = gson.fromJson(json, PaqleResponse.class);
 		return response;
 	}
 
 
-    protected PaqleResponse getResponse(List<String> vatNumbers) {
+    protected PaqleResponse getResponseByVatNumber(String vatNumber) {
 		PaqleResponse response;
     	try {
-    		String json = getJson(vatNumbers);
+    		String json = getJson(vatNumber);
     		response = deserializeJson(json);
 		} catch ( Exception e) {
     		log.error("Error", e);

src/main/java/biz/nellemann/libpaqle/pojo/Entity.java

@@ -19,15 +19,24 @@
 
 package biz.nellemann.libpaqle.pojo;
 
+import com.google.gson.annotations.SerializedName;
+
 public class Entity {
 
+	@SerializedName(value = "published", alternate = {"Published"})
 	Boolean published;
+
+	@SerializedName(value = "hidden", alternate = {"Hidden"})
 	Boolean hidden;
-	Integer OriginalId;
-	Integer CurrentId;
+
+	@SerializedName(value = "type", alternate = {"Type"})
 	String type;
+
+	@SerializedName(value = "countryCode", alternate = {"CountryCode"})
 	String countryCode;
-	String PaqleUrl;
+
+	@SerializedName(value = "paqleUrl", alternate = {"PaqleUrl"})
+	String paqleUrl;
 
 	/*
 	"Entities": [

src/main/java/biz/nellemann/libpaqle/pojo/News.java

@@ -1,16 +1,35 @@
 package biz.nellemann.libpaqle.pojo;
 
+import com.google.gson.annotations.SerializedName;
+
+import java.util.Date;
 import java.util.List;
 
 public class News {
 
-	Integer EntityOriginalId;
-	String ClusterHash;
-	String Published;
-	String LanguageCode;
+	@SerializedName(value = "entityOriginalId", alternate = {"EntityOriginalId"})
+	Long entityOriginalId;
+
+	@SerializedName(value = "clusterHash", alternate = {"ClusterHash"})
+	String clusterHash;
+
+	@SerializedName(value = "published", alternate = {"Published"})
+	Date published;
+
+	@SerializedName(value = "languageCode", alternate = {"LanguageCode"})
+	String languageCode;
+
+	@SerializedName(value = "sourceName", alternate = {"SourceName"})
 	String sourceName;
-	String Url;
-	List<NewsHeadline> Headline;
+
+	@SerializedName(value = "url", alternate = {"Url", "URL"})
+	String url;
+
+	@SerializedName(value = "headline", alternate = {"Headline", "HeadLine"})
+	List<NewsHeadline> headline;
+
+	@SerializedName(value = "extract", alternate = {"Extract"})
+	List<NewsHeadline> extract;
 
 	/*
 	News": [

src/main/java/biz/nellemann/libpaqle/pojo/NewsExtract.java

@@ -1,8 +1,13 @@
 package biz.nellemann.libpaqle.pojo;
 
+import com.google.gson.annotations.SerializedName;
+
 public class NewsExtract {
 
-	String Text;
-	Boolean Highlight;
+	@SerializedName(value = "text", alternate = {"Text"})
+	String text;
+
+	@SerializedName(value = "highlight", alternate = {"Highlight", "HighLight"})
+	Boolean highlight;
 
 }

src/main/java/biz/nellemann/libpaqle/pojo/NewsHeadline.java

@@ -1,7 +1,10 @@
 package biz.nellemann.libpaqle.pojo;
 
+import com.google.gson.annotations.SerializedName;
+
 public class NewsHeadline {
 
-	String Text;
+	@SerializedName(value = "text", alternate = {"Text"})
+	String text;
 
 }

src/main/java/biz/nellemann/libpaqle/pojo/PaqleResponse.java

@@ -1,13 +1,18 @@
 package biz.nellemann.libpaqle.pojo;
 
+import com.google.gson.annotations.SerializedName;
+
 import java.util.List;
 
 // https://entityapi.paqle.net/documentation/entities
 
 public class PaqleResponse {
 
-	List<Entity> Entities;
-	List<News> News;
+	@SerializedName(value = "entities", alternate = {"Entities"})
+	List<Entity> entities;
+
+	@SerializedName(value = "news", alternate = {"News"})
+	List<News> news;
 
 }
 

src/test/groovy/biz/nellemann/libpaqle/PaqleSpec.groovy

@@ -23,18 +23,19 @@ class PaqleSpec extends Specification {
 	void "test successful parsing of test JSON"() {
 
 		setup:
-		def testFile = new File(getClass().getResource('/test.json').toURI())
+		def testFile = new File(getClass().getResource('/15027800.json').toURI())
 		def testJson = testFile.getText('UTF-8')
 		mockServer.enqueue(new MockResponse().setBody(testJson));
 		HttpUrl baseUrl = mockServer.url("/");
 		paqle.baseUrl = baseUrl.toString()
 
 		when:
-		PaqleResponse response = paqle.getResponse(["2955224", "4004110055"])
+		PaqleResponse response = paqle.getResponseByVatNumber("15027800")
 
 		then:
-		response.Entities.size() == 2
-		response.News.size() == 100
+		response.entities.size() == 1
+		response.news.size() == 100
+		response.news[0].headline.text.contains('Opkøb skubber til Frejas vækst')
 	}
 
 	// TODO: Test error-cases, 401, 404, timeouts, empty responses, etc.