Merge pull request #384 from roshanathomas/master

Content Negotiation Strategy
This commit is contained in:
Eugen 2016-03-12 10:29:18 -06:00
commit 91b65dac91
10 changed files with 324 additions and 16 deletions

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@ -99,6 +99,19 @@
<artifactId>thymeleaf</artifactId>
<version>${thymeleaf.version}</version>
</dependency>
<!-- Json conversion -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.1.2</version>
</dependency>
</dependencies>
<build>

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@ -0,0 +1,51 @@
package org.baeldung.model;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Employee {
private long id;
private String name;
private String contactNumber;
public Employee() {
super();
}
public Employee(final long id, final String name, final String contactNumber) {
this.id = id;
this.name = name;
this.contactNumber = contactNumber;
}
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;
}
public String getContactNumber() {
return contactNumber;
}
public void setContactNumber(final String contactNumber) {
this.contactNumber = contactNumber;
}
@Override
public String toString() {
return "Employee [id=" + id + ", name=" + name + ", contactNumber=" + contactNumber + "]";
}
}

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@ -0,0 +1,53 @@
package org.baeldung.spring.web.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;
@EnableWebMvc
@Configuration
public class ContentManagementWebConfig extends WebMvcConfigurerAdapter {
public ContentManagementWebConfig() {
super();
}
// API
@Override
public void configureContentNegotiation(final ContentNegotiationConfigurer configurer) {
configurer.favorPathExtension(true).
favorParameter(false).
parameterName("mediaType").
ignoreAcceptHeader(true).
useJaf(false).
defaultContentType(MediaType.TEXT_HTML).
mediaType("xml", MediaType.APPLICATION_XML).
mediaType("html", MediaType.TEXT_HTML).
mediaType("json", MediaType.APPLICATION_JSON);
}
@Override
public void addViewControllers(final ViewControllerRegistry registry) {
super.addViewControllers(registry);
registry.addViewController("/sample.html");
}
@Bean
public ViewResolver viewResolver() {
final InternalResourceViewResolver bean = new InternalResourceViewResolver();
bean.setViewClass(JstlView.class);
bean.setPrefix("/WEB-INF/view/");
bean.setSuffix(".jsp");
bean.setOrder(0);
return bean;
}
}

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@ -0,0 +1,55 @@
package org.baeldung.web.controller;
import java.util.HashMap;
import java.util.Map;
import org.baeldung.model.Employee;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
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;
@Controller
public class EmployeeController {
Map<Long, Employee> employeeMap = new HashMap<>();
@RequestMapping(value = "/employee", method = RequestMethod.GET)
public ModelAndView showForm() {
return new ModelAndView("employeeHome", "employee", new Employee());
}
@RequestMapping(value = "/employee/{Id}", produces = { "application/json", "application/xml" }, method = RequestMethod.GET)
public @ResponseBody Employee getEmployeeById(@PathVariable final long Id) {
return employeeMap.get(Id);
}
@RequestMapping(value = "/employee/{Id}", method = RequestMethod.GET)
public String getEmployeeByIdHtmlView(@PathVariable final long Id, final ModelMap model) {
model.addAttribute("name", employeeMap.get(Id).getName());
model.addAttribute("contactNumber", employeeMap.get(Id).getContactNumber());
model.addAttribute("id", employeeMap.get(Id).getId());
return "employeeView";
}
@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
public String submit(@ModelAttribute("employee") final Employee employee, final BindingResult result, final ModelMap model) {
if (result.hasErrors()) {
return "error";
}
model.addAttribute("name", employee.getName());
model.addAttribute("contactNumber", employee.getContactNumber());
model.addAttribute("id", employee.getId());
employeeMap.put(employee.getId(), employee);
return "employeeView";
}
}

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@ -0,0 +1,33 @@
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Form Example - Register an Employee</title>
</head>
<body>
<h3>Welcome, Enter The Employee Details</h3>
<form:form method="POST" action="/spring-mvc-java/addEmployee" modelAttribute="employee">
<table>
<tr>
<td><form:label path="name">Name</form:label></td>
<td><form:input path="name" /></td>
</tr>
<tr>
<td><form:label path="id">Id</form:label></td>
<td><form:input path="id" /></td>
</tr>
<tr>
<td><form:label path="contactNumber">Contact Number</form:label></td>
<td><form:input path="contactNumber" /></td>
</tr>
<tr>
<td><input type="submit" value="Submit" /></td>
</tr>
</table>
</form:form>
</body>
</html>

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@ -0,0 +1,24 @@
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>Spring MVC Form Handling</title>
</head>
<body>
<h2>Submitted Employee Information</h2>
<table>
<tr>
<td>Name :</td>
<td>${name}</td>
</tr>
<tr>
<td>ID :</td>
<td>${id}</td>
</tr>
<tr>
<td>Contact Number :</td>
<td>${contactNumber}</td>
</tr>
</table>
</body>
</html>

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@ -98,6 +98,18 @@
<scope>test</scope>
</dependency>
<!-- Json conversion -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.1.2</version>
</dependency>
</dependencies>
<build>

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@ -1,33 +1,55 @@
package com.baeldung.spring.controller;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.Map;
import com.baeldung.spring.form.Employee;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
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 com.baeldung.spring.form.Employee;
@Controller
public class EmployeeController {
Map<Long, Employee> employeeMap = new HashMap<>();
@RequestMapping(value = "/employee", method = RequestMethod.GET)
public ModelAndView showForm() {
return new ModelAndView("employeeHome", "employee", new Employee());
}
@RequestMapping(value = "/employee/{Id}", produces = { "application/json", "application/xml" }, method = RequestMethod.GET)
public @ResponseBody Employee getEmployeeById(@PathVariable final long Id) {
return employeeMap.get(Id);
}
@RequestMapping(value = "/employee/{Id}", method = RequestMethod.GET)
public String getEmployeeByIdHtmlView(@PathVariable final long Id, final ModelMap model) {
model.addAttribute("name", employeeMap.get(Id).getName());
model.addAttribute("contactNumber", employeeMap.get(Id).getContactNumber());
model.addAttribute("id", employeeMap.get(Id).getId());
return "employeeView";
}
@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
public String submit(@Valid @ModelAttribute("employee") final Employee employee, final BindingResult result, final ModelMap model) {
public String submit(@ModelAttribute("employee") final Employee employee, final BindingResult result, final ModelMap model) {
if (result.hasErrors()) {
return "error";
}
model.addAttribute("name", employee.getName());
model.addAttribute("contactNumber", employee.getContactNumber());
model.addAttribute("id", employee.getId());
employeeMap.put(employee.getId(), employee);
return "employeeView";
}

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@ -2,7 +2,9 @@ package com.baeldung.spring.form;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Employee {
private long id;

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@ -0,0 +1,43 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">
<mvc:annotation-driven content-negotiation-manager="contentNegotiationManager" />
<context:component-scan base-package="org.baeldung.spring.controller" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>
<mvc:view-controller path="/sample.html" view-name="sample" />
<!-- Content strategy using path extension -->
<bean id="contentNegotiationManager"
class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean">
<property name="favorPathExtension" value="true" />
<property name="favorParameter" value="false"/>
<property name="parameterName" value="mediaType"/>
<property name="ignoreAcceptHeader" value="true" />
<property name="defaultContentType" value="text/html" />
<property name="useJaf" value="false" />
<property name="mediaTypes">
<map>
<entry key="html" value="text/html" />
<entry key="json" value="application/json" />
<entry key="xml" value="application/xml" />
</map>
</property>
</bean>
</beans>