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Expression Utility Objects article (#724) 

* Expression-Based Access Control

PermitAll, hasRole, hasAnyRole etc.
I modified classes regards to Security

* Added test cases for Spring Security Expressions

* Handler Interceptor - logging example

* Test for logger interceptor

* Removed conflicted part

* UserInterceptor (adding user information to model)

* Spring Handler Interceptor - session timers

* Spring Security CSRF attack protection with Thymeleaf

* Fix and();

* Logger update

* Changed config for Thymeleaf

* Thymeleaf Natural Processing and Inlining

* Expression Utility Objects, Thymeleaf
This commit is contained in:
maibin 2016-10-06 10:51:23 +02:00 committed by Grzegorz Piwowarek
parent 3eca6e588e
commit 454f0e50c5
3 changed files with 138 additions and 0 deletions
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33
spring-thymeleaf/src/main/java/com/baeldung/thymeleaf/controller/ExpressionUtilityObjectsController.java Normal file
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package com.baeldung.thymeleaf.controller;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
* Controller to test expression utility objects: dates,
*
*/
@Controller
public class ExpressionUtilityObjectsController {
@RequestMapping(value = "/objects", method = RequestMethod.GET)
public String getDates(Model model) {
model.addAttribute("date", new Date());
model.addAttribute("calendar", Calendar.getInstance());
model.addAttribute("num", Math.random() * 10);
model.addAttribute("string", "new text");
model.addAttribute("emptyString", "");
model.addAttribute("nullString", null);
model.addAttribute("array", new int[] { 1, 3, 4, 5 });
model.addAttribute("set", new HashSet<Integer>(Arrays.asList(1, 3, 8)));
return "objects.html";
}
}

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spring-thymeleaf/src/main/webapp/WEB-INF/views/objects.html Normal file
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Expression utility objects</title>
</head>
<body>
<h1>Date expression utility</h1>
<p th:text="${#dates.formatISO(date)}"></p>
<p th:text="${#dates.format(date, 'dd-MM-yyyy HH:mm')}"></p>
<p th:text="${#dates.dayOfWeekName(date)}"></p>
<p th:text="${#dates.createNow()}"></p>
<p th:text="${#dates.createToday()}"></p>
<h1>Calendar expression utility</h1>
<p th:text="${#calendars.formatISO(calendar)}"></p>
<p th:text="${#calendars.format(calendar, 'dd-MM-yyyy HH:mm')}"></p>
<p th:text="${#calendars.dayOfWeekName(calendar)}"></p>
<p th:text="${#calendars.createNow().getTime()}"></p>
<p th:text="${#calendars.createToday().getFirstDayOfWeek()}"></p>
<h1>Numbers expression utility</h1>
<p th:text="${#numbers.formatDecimal(num,2,3)}"></p>
<p th:text="${#numbers.formatDecimal(num,2,3,'COMMA')}"></p>
<p th:each="number: ${#numbers.sequence(0,2)}">
<span th:text="${number}"></span>
</p>
<p th:each="number: ${#numbers.sequence(0,4,2)}">
<span th:text="${number}"></span>
</p>
<h1>Calendar expression utility</h1>
<p th:text="${#strings.isEmpty(string)}"></p>
<p th:text="${#strings.isEmpty(nullString)}"></p>
<p th:text="${#strings.defaultString(emptyString,'Empty String')}"></p>
<p th:text="${#strings.containsIgnoreCase(string,'new')}"></p>
<p th:text="${#strings.abbreviate(string,5)} "></p>
<p th:text="${#strings.capitalizeWords(string)}"></p>
<h1>Aggregates expression utility</h1>
<p th:text="${#aggregates.sum(array)}"></p>
<p th:text="${#aggregates.avg(array)}"></p>
<p th:text="${#aggregates.sum(set)}"></p>
<p th:text="${#aggregates.avg(set)}"></p>
</body>
</html>

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spring-thymeleaf/src/test/java/com/baeldung/thymeleaf/controller/ExpressionUtilityObjectsControllerTest.java Normal file
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package com.baeldung.thymeleaf.controller;
import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf;
import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.user;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
import javax.servlet.Filter;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.RequestPostProcessor;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import com.baeldung.thymeleaf.config.InitSecurity;
import com.baeldung.thymeleaf.config.WebApp;
import com.baeldung.thymeleaf.config.WebMVCConfig;
import com.baeldung.thymeleaf.config.WebMVCSecurity;
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = { WebApp.class, WebMVCConfig.class, WebMVCSecurity.class, InitSecurity.class })
public class ExpressionUtilityObjectsControllerTest {
@Autowired
WebApplicationContext wac;
@Autowired
MockHttpSession session;
private MockMvc mockMvc;
@Autowired
private Filter springSecurityFilterChain;
protected RequestPostProcessor testUser() {
return user("user1").password("user1Pass").roles("USER");
}
@Before
public void setup() {
mockMvc = MockMvcBuilders.webAppContextSetup(wac).addFilters(springSecurityFilterChain).build();
}
@Test
public void testGetDates() throws Exception{
mockMvc.perform(get("/objects").with(testUser()).with(csrf())).andExpect(status().isOk()).andExpect(view().name("objects.html"));
}
}