BAEL-9 Final (#1262)

* BAEL-9 #3 * pom.xml fix * Final
2017-03-01 22:29:55 -06:00
parent 36f79aa956
commit 41bf9ddd6d
26 changed files with 39 additions and 94 deletions
@@ -0,0 +1,19 @@
+package com.baeldung.servlets;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.web.support.SpringBootServletInitializer;
+
+@SpringBootApplication
+public class ApplicationMain extends SpringBootServletInitializer {
+
+    public static void main(String[] args) {
+        SpringApplication.run(ApplicationMain.class, args);
+    }
+
+    @Override
+    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
+        return application.sources(ApplicationMain.class);
+    }
+}
@@ -0,0 +1,32 @@
+package com.baeldung.servlets.configuration;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.context.support.XmlWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+public class WebAppInitializer implements WebApplicationInitializer {
+
+    public void onStartup(ServletContext container) throws ServletException {
+
+        AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
+        ctx.register(WebMvcConfigure.class);
+        ctx.setServletContext(container);
+
+        ServletRegistration.Dynamic servletOne = container.addServlet("SpringProgrammaticDispatcherServlet", new DispatcherServlet(ctx));
+        servletOne.setLoadOnStartup(1);
+        servletOne.addMapping("/");
+
+        XmlWebApplicationContext xctx = new XmlWebApplicationContext();
+        xctx.setConfigLocation("/WEB-INF/context.xml");
+        xctx.setServletContext(container);
+
+        ServletRegistration.Dynamic servletTwo = container.addServlet("SpringProgrammaticXMLDispatcherServlet", new DispatcherServlet(xctx));
+        servletTwo.setLoadOnStartup(1);
+        servletTwo.addMapping("/");
+    }
+
+}
@@ -0,0 +1,39 @@
+package com.baeldung.servlets.configuration;
+
+import org.springframework.boot.web.support.ErrorPageFilter;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.resource.PathResourceResolver;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+@Configuration
+public class WebMvcConfigure extends WebMvcConfigurerAdapter {
+
+    @Bean
+    public ViewResolver getViewResolver() {
+        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
+        resolver.setPrefix("/WEB-INF/");
+        resolver.setSuffix(".jsp");
+        return resolver;
+    }
+
+    @Override
+    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
+        configurer.enable();
+    }
+
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/resources/**").addResourceLocations("/resources/").setCachePeriod(3600).resourceChain(true).addResolver(new PathResourceResolver());
+    }
+
+    @Bean
+    public ErrorPageFilter errorPageFilter() {
+        return new ErrorPageFilter();
+    }
+}
@@ -0,0 +1,20 @@
+package com.baeldung.servlets.props;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.Properties;
+
+public final class Constants {
+
+    @Autowired
+    PropertySourcesLoader psl;
+
+    public static final String breakLine = System.getProperty("line.separator");
+    private static final PropertyLoader pl = new PropertyLoader();
+    private static final Properties mainProps = pl.getProperties("custom.properties");
+    public static final String DISPATCHER_SERVLET_NAME = mainProps.getProperty("dispatcher.servlet.name");
+    public static final String DISPATCHER_SERVLET_MAPPING = mainProps.getProperty("dispatcher.servlet.mapping");
+    private final String EXAMPLE_SERVLET_NAME = psl.getProperty("example.servlet.name");
+    private final String EXAMPLE_SERVLET_MAPPING = psl.getProperty("example.servlet.mapping");
+
+}
@@ -0,0 +1,27 @@
+package com.baeldung.servlets.props;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+public class PropertyLoader {
+    private static final Logger log = LoggerFactory.getLogger(PropertyLoader.class);
+
+    public Properties getProperties(String file) {
+        Properties prop = new Properties();
+        InputStream input = null;
+        try {
+            input = getClass().getResourceAsStream(file);
+            prop.load(input);
+            if (input != null) {
+                input.close();
+            }
+        } catch (IOException ex) {
+            log.error("IOException: " + ex);
+        }
+        return prop;
+    }
+}
@@ -0,0 +1,23 @@
+package com.baeldung.servlets.props;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+@Configuration
+@ComponentScan(basePackages = { "com.baeldung.*" })
+@PropertySource("classpath:custom.properties") public class PropertySourcesLoader {
+
+    private static final Logger log = LoggerFactory.getLogger(PropertySourcesLoader.class);
+
+    @Autowired
+    ConfigurableEnvironment env;
+
+    public String getProperty(String key) {
+        return env.getProperty(key);
+    }
+}
@@ -0,0 +1,18 @@
+package com.baeldung.servlets.servlets;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class GenericCustomServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        response.setContentType("text/html");
+        PrintWriter out = response.getWriter();
+        out.println("<p>Hello World</p>");
+    }
+}
@@ -0,0 +1,20 @@
+package com.baeldung.servlets.servlets.javaee;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "AnnotationServlet",
+    description = "Example Servlet Using Annotations",
+    urlPatterns = { "/annotationservlet" })
+public class AnnotationServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        request.getRequestDispatcher("/annotationservlet.jsp").forward(request, response);
+    }
+}
@@ -0,0 +1,20 @@
+package com.baeldung.servlets.servlets.javaee;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class EEWebXmlServlet extends HttpServlet {
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        response.setContentType("text/html");
+        PrintWriter out = response.getWriter();
+        out.println("<p>Hello World</p>");
+    }
+}
@@ -0,0 +1,17 @@
+package com.baeldung.servlets.servlets.springboot;
+
+import com.baeldung.servlets.servlets.GenericCustomServlet;
+import org.springframework.boot.web.servlet.ServletRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SpringRegistrationBeanServlet {
+
+    @Bean
+    public ServletRegistrationBean genericCustomServlet() {
+        ServletRegistrationBean bean = new ServletRegistrationBean(new GenericCustomServlet(), "/springregistrationbeanservlet/*");
+        bean.setLoadOnStartup(1);
+        return bean;
+    }
+}
@@ -0,0 +1,16 @@
+package com.baeldung.servlets.servlets.springboot.embedded;
+
+import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
+import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class EmbeddedTomcatExample {
+
+    @Bean
+    public EmbeddedServletContainerFactory servletContainer() {
+        TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory();
+        return tomcat;
+    }
+}
@@ -28,4 +28,8 @@ security.user.name=admin1
 security.user.password=secret1
 management.security.role=SUPERUSER

-logging.level.org.springframework=INFO
+logging.level.org.springframework=INFO
+
+#Servlet Configuration
+servlet.name=dispatcherExample
+servlet.mapping=/dispatcherExampleURL
@@ -0,0 +1,4 @@
+dispatcher.servlet.name=dispatcherExample
+dispatcher.servlet.mapping=/dispatcherExampleURL
+example.servlet.name=dispatcherExample
+example.servlet.mapping=/dispatcherExampleURL
@@ -0,0 +1,12 @@
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xmlns="http://www.springframework.org/schema/beans"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+                           http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+                           http://www.springframework.org/schema/context
+                           http://www.springframework.org/schema/context/spring-context-4.3.xsd">
+
+    <context:component-scan base-package="com.baeldung"/>
+
+    <bean class="com.baeldung.configuration.WebAppInitializer"/>
+</beans>
@@ -0,0 +1,16 @@
+<beans xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="http://www.springframework.org/schema/beans"
+       xsi:schemaLocation="
+   http://www.springframework.org/schema/beans
+   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
+   http://www.springframework.org/schema/context
+   http://www.springframework.org/schema/context/spring-context-3.0.xsd">
+
+    <context:component-scan base-package="com.baeldung"/>
+
+    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+        <property name="prefix" value="/WEB-INF/jsp/"/>
+        <property name="suffix" value=".jsp"/>
+    </bean>
+</beans>
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+         id="WebApp_ID" version="3.1">
+    <display-name>JSP</display-name>
+    <welcome-file-list>
+        <welcome-file>index.html</welcome-file>
+        <welcome-file>index.htm</welcome-file>
+        <welcome-file>index.jsp</welcome-file>
+    </welcome-file-list>
+
+    <!-- Java EE Servlets -->
+    <servlet>
+        <servlet-name>EEWebXmlServlet</servlet-name>
+        <servlet-class>com.baeldung.servlets.javaee.EEWebXmlServlet</servlet-class>
+    </servlet>
+
+    <servlet-mapping>
+        <servlet-name>EEWebXmlServlet</servlet-name>
+        <url-pattern>/eewebxmlservlet</url-pattern>
+    </servlet-mapping>
+
+    <!-- Spring Boot Servlets -->
+    <servlet>
+        <servlet-name>SpringBootWebXmlServlet</servlet-name>
+        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+        <init-param>
+            <param-name>contextConfigLocation</param-name>
+            <param-value>/WEB-INF/dispatcher.xml</param-value>
+        </init-param>
+        <load-on-startup>1</load-on-startup>
+    </servlet>
+
+    <servlet-mapping>
+        <servlet-name>SpringBootWebXmlServlet</servlet-name>
+        <url-pattern>/</url-pattern>
+    </servlet-mapping>
+</web-app>
+
+
@@ -0,0 +1 @@
+<p>Annotation Servlet!</p>
@@ -0,0 +1 @@
+<p>Hello!</p>