Spring JSONP with Jackson

spring-mvc-java/src/main/java/com/baeldung/web/controller/CompanyController.java

@@ -1,16 +1,23 @@
 package com.baeldung.web.controller;
 
-import com.baeldung.model.Company;
+import java.util.HashMap;
+import java.util.Map;
+
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.ModelMap;
 import org.springframework.validation.BindingResult;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.MatrixVariable;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.servlet.ModelAndView;
 
-import java.util.HashMap;
+import com.baeldung.model.Company;
-import java.util.Map;
 
 @Controller
 public class CompanyController {
@@ -22,13 +29,15 @@ public class CompanyController {
 		return new ModelAndView("companyHome", "company", new Company());
 	}
 
-    @RequestMapping(value = "/company/{Id}", produces = { "application/json", "application/xml" }, method = RequestMethod.GET)
+	@RequestMapping(value = "/company/{Id}", produces = { "application/json",
+	"application/xml" }, method = RequestMethod.GET)
 	public @ResponseBody Company getCompanyById(@PathVariable final long Id) {
 		return companyMap.get(Id);
 	}
 
 	@RequestMapping(value = "/addCompany", method = RequestMethod.POST)
-    public String submit(@ModelAttribute("company") final Company company, final BindingResult result, final ModelMap model) {
+	public String submit(@ModelAttribute("company") final Company company,
+			final BindingResult result, final ModelMap model) {
 		if (result.hasErrors()) {
 			return "error";
 		}
@@ -42,15 +51,30 @@ public class CompanyController {
 
 	@RequestMapping(value = "/companyEmployee/{company}/employeeData/{employee}", method = RequestMethod.GET)
 	@ResponseBody
-    public ResponseEntity<Map<String, String>> getEmployeeDataFromCompany(@MatrixVariable(pathVar = "employee") final Map<String, String> matrixVars) {
+	public ResponseEntity<Map<String, String>> getEmployeeDataFromCompany(
+			@MatrixVariable(pathVar = "employee") final Map<String, String> matrixVars) {
 		return new ResponseEntity<>(matrixVars, HttpStatus.OK);
 	}
 
 	@RequestMapping(value = "/companyData/{company}/employeeData/{employee}", method = RequestMethod.GET)
 	@ResponseBody
-    public ResponseEntity<Map<String, String>> getCompanyName(@MatrixVariable(value = "name", pathVar = "company") final String name) {
+	public ResponseEntity<Map<String, String>> getCompanyName(
+			@MatrixVariable(value = "name", pathVar = "company") final String name) {
 		final Map<String, String> result = new HashMap<String, String>();
 		result.put("name", name);
 		return new ResponseEntity<>(result, HttpStatus.OK);
 	}
+
+	@RequestMapping(value = "/companyResponseBody", produces = MediaType.APPLICATION_JSON_VALUE)
+	@ResponseBody
+	public Company getCompanyResponseBody() {
+		final Company company = new Company(2, "ABC");
+		return company;
+	}
+
+	@RequestMapping(value = "/companyResponseEntity", produces = MediaType.APPLICATION_JSON_VALUE)
+	public ResponseEntity<Company> getCompanyResponseEntity() {
+		final Company company = new Company(3, "123");
+		return new ResponseEntity<Company>(company, HttpStatus.OK);
+	}
 }

spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java

@@ -0,0 +1,13 @@
+package com.baeldung.web.controller.advice;
+
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.AbstractJsonpResponseBodyAdvice;
+
+@ControllerAdvice
+public class JsonpControllerAdvice extends AbstractJsonpResponseBodyAdvice {
+
+	public JsonpControllerAdvice() {
+		super("callback");
+	}
+
+}

spring-mvc-java/src/main/webapp/WEB-INF/company.html

@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="ISO-8859-1">
+<title>Company Data</title>
+<script>
+     function getCompanyData(data) { 
+		document.write("<b>ID:</b> "+data.id+"<br/>");	 
+		document.write("<b>NAME:</b> "+data.name+"<br/>");
+		document.write("<br/>");
+     }
+   </script>
+</head>
+<body>
+	<!--Using @ResponseBody -->
+	<script
+		src="http://localhost:8080/spring-mvc-java/companyResponseBody?callback=getCompanyData"
+		type="application/javascript"> </script>
+
+	<!--Using ResponseEntity -->
+	<script
+		src="http://localhost:8080/spring-mvc-java/companyResponseEntity?callback=getCompanyData"
+		type="application/javascript"> </script>
+
+</body>
+</html>
+

spring-rest/src/main/java/org/baeldung/web/controller/CompanyController.java

@@ -0,0 +1,16 @@
+package org.baeldung.web.controller;
+
+import org.baeldung.web.dto.Company;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CompanyController {
+
+	@RequestMapping(value = "/companyRest", produces = MediaType.APPLICATION_JSON_VALUE)
+	public Company getCompanyRest() {
+		final Company company = new Company(1, "Xpto");
+		return company;
+	}
+}

spring-rest/src/main/java/org/baeldung/web/controller/advice/JsonpControllerAdvice.java

@@ -0,0 +1,13 @@
+package org.baeldung.web.controller.advice;
+
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.AbstractJsonpResponseBodyAdvice;
+
+@ControllerAdvice
+public class JsonpControllerAdvice extends AbstractJsonpResponseBodyAdvice {
+
+	public JsonpControllerAdvice() {
+		super("callback");
+	}
+
+}

spring-rest/src/main/java/org/baeldung/web/dto/Company.java

@@ -0,0 +1,38 @@
+package org.baeldung.web.dto;
+
+public class Company {
+
+	private long id;
+	private String name;
+
+	public Company() {
+		super();
+	}
+
+	public Company(final long id, final String name) {
+		this.id = id;
+		this.name = name;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(final String name) {
+		this.name = name;
+	}
+
+	public long getId() {
+		return id;
+	}
+
+	public void setId(final long id) {
+		this.id = id;
+	}
+
+	@Override
+	public String toString() {
+		return "Company [id=" + id + ", name=" + name + "]";
+	}
+
+}

spring-rest/src/main/webapp/WEB-INF/company.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="ISO-8859-1">
+<title>Company Data</title>
+<script>
+     function getCompanyData(data) { 
+		document.write("<b>ID:</b> "+data.id+"<br/>");	 
+		document.write("<b>NAME:</b> "+data.name+"<br/>");
+		document.write("<br/>");
+     }
+   </script>
+</head>
+<body>
+	<!-- Using REST URL-->
+	<script
+		src="http://localhost:8080/spring-rest/companyRest?callback=getCompanyData"
+		type="application/javascript"> </script>
+
+</body>
+</html>
+