BAEL-2924 Jersey request parameters (eugenp#7007)

* BAEL-2924 Jersey request parameters

* BAEL-2924 Jersey request parameters

jersey/src/main/java/com/baeldung/jersey/server/ItemParam.java

@@ -0,0 +1,46 @@
+package com.baeldung.jersey.server;
+
+import javax.ws.rs.FormParam;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.PathParam;
+
+public class ItemParam {
+
+    @HeaderParam("headerParam")
+    private String shopKey;
+
+    @PathParam("pathParam")
+    private String itemId;
+
+    @FormParam("formParam")
+    private String price;
+
+    public String getShopKey() {
+        return shopKey;
+    }
+
+    public void setShopKey(String shopKey) {
+        this.shopKey = shopKey;
+    }
+
+    public String getItemId() {
+        return itemId;
+    }
+
+    public void setItemId(String itemId) {
+        this.itemId = itemId;
+    }
+
+    public String getPrice() {
+        return price;
+    }
+
+    public void setPrice(String price) {
+        this.price = price;
+    }
+
+    @Override
+    public String toString() {
+        return "ItemParam{shopKey='" + shopKey + ", itemId='" + itemId + ", price='" + price + '}';
+    }
+}

jersey/src/main/java/com/baeldung/jersey/server/Items.java

@@ -0,0 +1,49 @@
+package com.baeldung.jersey.server;
+
+import javax.ws.rs.*;
+
+@Path("items")
+public class Items {
+
+    @GET
+    @Path("/cookie")
+    public String readCookieParam(@CookieParam("cookieParamToRead") String cookieParamToRead) {
+        return "Cookie parameter value is [" + cookieParamToRead + "]";
+    }
+
+    @GET
+    @Path("/header")
+    public String readHeaderParam(@HeaderParam("headerParamToRead") String headerParamToRead) {
+        return "Header parameter value is [" + headerParamToRead + "]";
+    }
+
+    @GET
+    @Path("/path/{pathParamToRead}")
+    public String readPathParam(@PathParam("pathParamToRead") String pathParamToRead) {
+        return "Path parameter value is [" + pathParamToRead + "]";
+    }
+
+    @GET
+    @Path("/query")
+    public String readQueryParam(@QueryParam("queryParamToRead") String queryParamToRead) {
+        return "Query parameter value is [" + queryParamToRead + "]";
+    }
+
+    @POST
+    @Path("/form")
+    public String readFormParam(@FormParam("formParamToRead") String formParamToRead) {
+        return "Form parameter value is [" + formParamToRead + "]";
+    }
+
+    @GET
+    @Path("/matrix")
+    public String readMatrixParam(@MatrixParam("matrixParamToRead") String matrixParamToRead) {
+        return "Matrix parameter value is [" + matrixParamToRead + "]";
+    }
+
+    @POST
+    @Path("/bean/{pathParam}")
+    public String readBeanParam(@BeanParam ItemParam itemParam) {
+        return itemParam.toString();
+    }
+}

jersey/src/main/java/com/baeldung/jersey/server/http/EmbeddedHttpServer.java

@@ -7,12 +7,13 @@
 
 import org.glassfish.grizzly.http.server.HttpServer;
 import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
+import org.glassfish.jersey.server.ResourceConfig;
 
 import com.baeldung.jersey.server.config.ViewApplicationConfig;
 
 public class EmbeddedHttpServer {
 
-    private static final URI BASE_URI = URI.create("http://localhost:8082/");
+    public static final URI BASE_URI = URI.create("http://localhost:8082/");
 
     public static void main(String[] args) {
         try {
@@ -32,4 +33,9 @@ public static void main(String[] args) {
         }
 
     }
+
+    public static HttpServer startServer() {
+        final ResourceConfig rc = new ResourceConfig().packages("com.baeldung.jersey.server");
+        return GrizzlyHttpServerFactory.createHttpServer(URI.create(BASE_URI.toString()), rc);
+    }
 }

jersey/src/test/java/com/baeldung/jersey/server/ItemsUnitTest.java

@@ -0,0 +1,52 @@
+package com.baeldung.jersey.server;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.WebTarget;
+
+import org.glassfish.grizzly.http.server.HttpServer;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.baeldung.jersey.server.http.EmbeddedHttpServer;
+
+public class ItemsUnitTest {
+
+    private HttpServer server;
+    private WebTarget target;
+
+    @Before
+    public void setUp() throws Exception {
+        server = EmbeddedHttpServer.startServer();
+        target = ClientBuilder.newClient().target(EmbeddedHttpServer.BASE_URI.toString());
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        server.stop();
+    }
+
+    @Test
+    public void givenCookieParameter_whenGet_thenReturnsExpectedText() {
+        String paramValue = "1";
+        String responseText = target.path("items/cookie").request().cookie("cookieParamToRead", paramValue).get(String.class);
+        assertEquals("Cookie parameter value is [" + paramValue + "]", responseText);
+    }
+
+    @Test
+    public void givenHeaderParameter_whenGet_thenReturnsExpectedText() {
+        String paramValue = "2";
+        String responseText = target.path("items/header").request().header("headerParamToRead", paramValue).get(String.class);
+        assertEquals("Header parameter value is [" + paramValue + "]", responseText);
+    }
+
+    @Test
+    public void givenPathParameter_whenGet_thenReturnsExpectedText() {
+        String paramValue = "3";
+        String responseText = target.path("items/path/" + paramValue).request().get(String.class);
+        assertEquals("Path parameter value is [" + paramValue + "]", responseText);
+    }
+}