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Merge remote-tracking branch 'upstream/master'

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This commit is contained in:
Christian Raedel
2016-09-05 18:37:27 +02:00
parent b6fd1f6f4e 15dd97b485
commit b755cd94dc
26 changed files with 351 additions and 471 deletions
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core-java/src/main/java/com/baeldung/java/reflection/Animal.java
-4
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@@ -18,10 +18,6 @@ public abstract class Animal implements Eating {
this.name = name;
}
public String makeSound() {
return getSound();
}
protected abstract String getSound();
}
core-java/src/test/java/com/baeldung/java/reflection/ReflectionTest.java
+15 -15
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@@ -8,9 +8,7 @@ import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
import java.util.ArrayList;
import static org.junit.Assert.*;
public class ReflectionTest {
@@ -24,7 +22,6 @@ public class ReflectionTest {
assertTrue(Arrays.asList("name", "age")
.containsAll(actualFieldNames));
}
@Test
@@ -127,7 +124,7 @@ public class ReflectionTest {
assertEquals(4, actualMethods.size());
assertTrue(actualMethods.containsAll(Arrays.asList("getName",
"setName", "getSound", "makeSound")));
"setName", "getSound")));
}
@Test
@@ -311,16 +308,19 @@ public class ReflectionTest {
}
private static List<String> getMethodNames(Method[] methods) {
return Stream.of(methods)
.map((Method::getName))
.collect(toList());
}
private static List<String> getFieldNames(Field[] fields) {
List<String> fieldNames = new ArrayList<>();
for (Field field : fields)
fieldNames.add(field.getName());
return fieldNames;
private static List<String> getFieldNames(Field[] fields) {
return Stream.of(fields)
.map(Field::getName)
.collect(toList());
}
}
private static List<String> getMethodNames(Method[] methods) {
List<String> methodNames = new ArrayList<>();
for (Method method : methods)
methodNames.add(method.getName());
return methodNames;
}
}
enterprise-patterns/front-controller-pattern/pom.xml
+43
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@@ -0,0 +1,43 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>front-controller-pattern</artifactId>
<packaging>war</packaging>
<parent>
<artifactId>enterprise-patterns-parent</artifactId>
<groupId>com.baeldung.enterprise.patterns</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.4.0.M1</version>
<configuration>
<webApp>
<contextPath>/front-controller</contextPath>
</webApp>
</configuration>
</plugin>
</plugins>
</build>
</project>
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/FrontControllerServlet.java
+45
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@@ -0,0 +1,45 @@
package com.baeldung.enterprise.patterns.front.controller;
import com.baeldung.enterprise.patterns.front.controller.commands.FrontCommand;
import com.baeldung.enterprise.patterns.front.controller.commands.UnknownCommand;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class FrontControllerServlet extends HttpServlet {
@Override
protected void doGet(
HttpServletRequest request,
HttpServletResponse response
) throws ServletException, IOException {
FrontCommand command = getCommand(request);
command.init(getServletContext(), request, response);
command.process();
}
private FrontCommand getCommand(HttpServletRequest request) {
try {
return (FrontCommand) getCommandClass(request)
.asSubclass(FrontCommand.class)
.newInstance();
} catch (Exception e) {
throw new RuntimeException("Failed to get command!", e);
}
}
private Class getCommandClass(HttpServletRequest request) {
try {
return Class.forName(
String.format(
"com.baeldung.enterprise.patterns.front.controller.commands.%sCommand",
request.getParameter("command")
)
);
} catch (ClassNotFoundException e) {
return UnknownCommand.class;
}
}
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/commands/FrontCommand.java
+32
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@@ -0,0 +1,32 @@
package com.baeldung.enterprise.patterns.front.controller.commands;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public abstract class FrontCommand {
protected ServletContext context;
protected HttpServletRequest request;
protected HttpServletResponse response;
public void init(
ServletContext servletContext,
HttpServletRequest servletRequest,
HttpServletResponse servletResponse
) {
this.context = servletContext;
this.request = servletRequest;
this.response = servletResponse;
}
public abstract void process() throws ServletException, IOException;
protected void forward(String target) throws ServletException, IOException {
target = String.format("/WEB-INF/jsp/%s.jsp", target);
RequestDispatcher dispatcher = context.getRequestDispatcher(target);
dispatcher.forward(request, response);
}
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/commands/SearchCommand.java
+21
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@@ -0,0 +1,21 @@
package com.baeldung.enterprise.patterns.front.controller.commands;
import com.baeldung.enterprise.patterns.front.controller.data.Book;
import com.baeldung.enterprise.patterns.front.controller.data.BookshelfImpl;
import javax.servlet.ServletException;
import java.io.IOException;
public class SearchCommand extends FrontCommand {
@Override
public void process() throws ServletException, IOException {
Book book = new BookshelfImpl().getInstance()
.findByTitle(request.getParameter("title"));
if (book != null) {
request.setAttribute("book", book);
forward("book-found");
} else {
forward("book-notfound");
}
}
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/commands/UnknownCommand.java
+11
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@@ -0,0 +1,11 @@
package com.baeldung.enterprise.patterns.front.controller.commands;
import javax.servlet.ServletException;
import java.io.IOException;
public class UnknownCommand extends FrontCommand {
@Override
public void process() throws ServletException, IOException {
forward("unknown");
}
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/data/Book.java
+40
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@@ -0,0 +1,40 @@
package com.baeldung.enterprise.patterns.front.controller.data;
public class Book {
private String author;
private String title;
private Double price;
public Book() {
}
public Book(String author, String title, Double price) {
this.author = author;
this.title = title;
this.price = price;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public Double getPrice() {
return price;
}
public void setPrice(Double price) {
this.price = price;
}
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/data/Bookshelf.java
+15
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@@ -0,0 +1,15 @@
package com.baeldung.enterprise.patterns.front.controller.data;
public interface Bookshelf {
default void init() {
add(new Book("Wilson, Robert Anton & Shea, Robert", "Illuminati", 9.99));
add(new Book("Fowler, Martin", "Patterns of Enterprise Application Architecture", 27.88));
}
Bookshelf getInstance();
<E extends Book> boolean add(E book);
Book findByTitle(String title);
}
enterprise-patterns/front-controller-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/data/BookshelfImpl.java
+24
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@@ -0,0 +1,24 @@
package com.baeldung.enterprise.patterns.front.controller.data;
import java.util.ArrayList;
public class BookshelfImpl extends ArrayList<Book> implements Bookshelf {
private static Bookshelf INSTANCE;
@Override
public Bookshelf getInstance() {
if (INSTANCE == null) {
INSTANCE = new BookshelfImpl();
INSTANCE.init();
}
return INSTANCE;
}
@Override
public Book findByTitle(String title) {
return this.stream()
.filter(book -> book.getTitle().toLowerCase().contains(title.toLowerCase()))
.findFirst()
.orElse(null);
}
}
enterprise-patterns/front-controller-pattern/src/main/resources/front controller.png
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enterprise-patterns/front-controller-pattern/src/main/resources/front controller.puml
+22
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@@ -0,0 +1,22 @@
@startuml
class Handler {
doGet
doPost
}
abstract class AbstractCommand {
process
}
class ConcreteCommand1 {
process
}
class ConcreteCommand2 {
process
}
Handler .right.> AbstractCommand
AbstractCommand <|-- ConcreteCommand1
AbstractCommand <|-- ConcreteCommand2
@enduml
enterprise-patterns/front-controller-pattern/src/main/webapp/WEB-INF/jsp/book-found.jsp
+12
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@@ -0,0 +1,12 @@
<!DOCTYPE html>
<html>
<head>
<title>Bookshelf: Title found</title>
</head>
<body>
<p>Our Bookshelf contains this title:</p>
<h2>${book.getTitle()}</h2>
<p>Author: ${book.getAuthor()}</p>
<input type="submit" value="Buy it: ${book.getPrice()}$">
</body>
</html>
enterprise-patterns/front-controller-pattern/src/main/webapp/WEB-INF/jsp/book-notfound.jsp
+10
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@@ -0,0 +1,10 @@
<!DOCTYPE html>
<html>
<head>
<title>Bookshelf: Title not found</title>
</head>
<body>
<p>Our Bookshelf doesn't contains this title:</p>
<h2>${param.get("title")}</h2>
</body>
</html>
enterprise-patterns/front-controller-pattern/src/main/webapp/WEB-INF/jsp/unknown.jsp
+9
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@@ -0,0 +1,9 @@
<!DOCTYPE html>
<html>
<head>
<title>Bookshelf: Command unknown</title>
</head>
<body>
<p>Sorry, this command is not known!</p>
</body>
</html>
enterprise-patterns/front-controller-pattern/src/main/webapp/WEB-INF/web.xml
+15
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@@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<servlet>
<servlet-name>front-controller</servlet-name>
<servlet-class>com.baeldung.enterprise.patterns.front.controller.FrontControllerServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>front-controller</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
enterprise-patterns/pom.xml
+35
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@@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.enterprise.patterns</groupId>
<artifactId>enterprise-patterns-parent</artifactId>
<packaging>pom</packaging>
<modules>
<module>front-controller-pattern</module>
</modules>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
pom.xml
+2
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@@ -29,6 +29,8 @@
<module>dozer</module>
<module>dependency-injection</module>
<module>deltaspike</module>
<module>enterprise-patterns</module>
<!-- <module>gatling</module> --> <!-- not meant to run as part of the standard build -->
<module>gson</module>
reflection/pom.xml
-30
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@@ -1,30 +0,0 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>reflection</artifactId>
<version>1.0</version>
<name>reflection</name>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.3</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
reflection/src/main/java/com/baeldung/reflection/Animal.java
-23
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@@ -1,23 +0,0 @@
package com.baeldung.reflection;
public abstract class Animal implements Eating {
public static final String CATEGORY = "domestic";
private String name;
public Animal(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
protected abstract String getSound();
}
reflection/src/main/java/com/baeldung/reflection/Bird.java
-36
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@@ -1,36 +0,0 @@
package com.baeldung.reflection;
public class Bird extends Animal {
private boolean walks;
public Bird() {
super("bird");
}
public Bird(String name, boolean walks) {
super(name);
setWalks(walks);
}
public Bird(String name) {
super(name);
}
@Override
public String eats() {
return "grains";
}
@Override
protected String getSound() {
return "chaps";
}
public boolean walks() {
return walks;
}
public void setWalks(boolean walks) {
this.walks = walks;
}
}
reflection/src/main/java/com/baeldung/reflection/Eating.java
-5
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@@ -1,5 +0,0 @@
package com.baeldung.reflection;
public interface Eating {
String eats();
}
reflection/src/main/java/com/baeldung/reflection/Goat.java
-24
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@@ -1,24 +0,0 @@
package com.baeldung.reflection;
public class Goat extends Animal implements Locomotion {
public Goat(String name) {
super(name);
}
@Override
protected String getSound() {
return "bleat";
}
@Override
public String getLocomotion() {
return "walks";
}
@Override
public String eats() {
return "grass";
}
}
reflection/src/main/java/com/baeldung/reflection/Locomotion.java
-5
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@@ -1,5 +0,0 @@
package com.baeldung.reflection;
public interface Locomotion {
String getLocomotion();
}
reflection/src/main/java/com/baeldung/reflection/Person.java
-6
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@@ -1,6 +0,0 @@
package com.baeldung.reflection;
public class Person {
private String name;
private int age;
}
reflection/src/test/java/com/baeldung/reflection/ReflectionTest.java
-323
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