Add sample project for Groovy templates

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/InMemoryMessageRespository.java

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+/*
+ * Copyright 2012-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.ui;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * @author Dave Syer
+ */
+public class InMemoryMessageRespository implements MessageRepository {
+
+	private static AtomicLong counter = new AtomicLong();
+
+	private final ConcurrentMap<Long, Message> messages = new ConcurrentHashMap<Long, Message>();
+
+	@Override
+	public Iterable<Message> findAll() {
+		return this.messages.values();
+	}
+
+	@Override
+	public Message save(Message message) {
+		Long id = message.getId();
+		if (id == null) {
+			id = counter.incrementAndGet();
+			message.setId(id);
+		}
+		this.messages.put(id, message);
+		return message;
+	}
+
+	@Override
+	public Message findMessage(Long id) {
+		return this.messages.get(id);
+	}
+
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/Message.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package sample.ui;
+
+import java.util.Date;
+
+import org.hibernate.validator.constraints.NotEmpty;
+
+/**
+ * @author Rob Winch
+ */
+public class Message {
+
+	private Long id;
+
+	@NotEmpty(message = "Message is required.")
+	private String text;
+
+	@NotEmpty(message = "Summary is required.")
+	private String summary;
+
+	private Date created = new Date();
+
+	public Long getId() {
+		return this.id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public Date getCreated() {
+		return this.created;
+	}
+
+	public void setCreated(Date created) {
+		this.created = created;
+	}
+
+	public String getText() {
+		return this.text;
+	}
+
+	public void setText(String text) {
+		this.text = text;
+	}
+
+	public String getSummary() {
+		return this.summary;
+	}
+
+	public void setSummary(String summary) {
+		this.summary = summary;
+	}
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/MessageRepository.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package sample.ui;
+
+/**
+ * @author Rob Winch
+ */
+public interface MessageRepository {
+
+	Iterable<Message> findAll();
+
+	Message save(Message message);
+
+	Message findMessage(Long id);
+
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/SampleGroovyTemplateApplication.java

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+/*
+ * Copyright 2012-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.ui;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.convert.converter.Converter;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class SampleGroovyTemplateApplication {
+
+	@Bean
+	public MessageRepository messageRepository() {
+		return new InMemoryMessageRespository();
+	}
+
+	@Bean
+	public Converter<String, Message> messageConverter() {
+		return new Converter<String, Message>() {
+			@Override
+			public Message convert(String id) {
+				return messageRepository().findMessage(Long.valueOf(id));
+			}
+		};
+	}
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleGroovyTemplateApplication.class, args);
+	}
+
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/mvc/MessageController.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package sample.ui.mvc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.validation.Valid;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import org.springframework.validation.ObjectError;
+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.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+import sample.ui.Message;
+import sample.ui.MessageRepository;
+
+/**
+ * @author Rob Winch
+ */
+@Controller
+@RequestMapping("/")
+public class MessageController {
+	private final MessageRepository messageRepository;
+
+	@Autowired
+	public MessageController(MessageRepository messageRepository) {
+		this.messageRepository = messageRepository;
+	}
+
+	@RequestMapping
+	public ModelAndView list() {
+		Iterable<Message> messages = this.messageRepository.findAll();
+		return new ModelAndView("messages/list", "messages", messages);
+	}
+
+	@RequestMapping("{id}")
+	public ModelAndView view(@PathVariable("id") Message message) {
+		return new ModelAndView("messages/view", "message", message);
+	}
+
+	@RequestMapping(params = "form", method = RequestMethod.GET)
+	public String createForm(@ModelAttribute Message message) {
+		return "messages/form";
+	}
+
+	@RequestMapping(method = RequestMethod.POST)
+	public ModelAndView create(@Valid Message message, BindingResult result,
+			RedirectAttributes redirect) {
+		if (result.hasErrors()) {
+			ModelAndView mav = new ModelAndView("messages/form");
+			mav.addObject("formErrors", result.getAllErrors());
+			mav.addObject("fieldErrors", getFieldErrors(result));
+			return mav;
+		}
+		message = this.messageRepository.save(message);
+		redirect.addFlashAttribute("globalMessage", "Successfully created a new message");
+		return new ModelAndView("redirect:/{message.id}", "message.id", message.getId());
+	}
+
+	private Map<String, ObjectError> getFieldErrors(BindingResult result) {
+		Map<String, ObjectError> map = new HashMap<String, ObjectError>();
+		for (FieldError error : result.getFieldErrors()) {
+			map.put(error.getField(), error);
+		}
+		return map ;
+	}
+
+	@RequestMapping("foo")
+	public String foo() {
+		throw new RuntimeException("Expected exception in controller");
+	}
+
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/application.properties

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+# Allow templates to be reloaded at dev time
+spring.groovy.template.cache: false

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+
+	<include resource="org/springframework/boot/logging/logback/base.xml"/>
+
+	<logger name="org.springframework.web" level="DEBUG"/>
+
+</configuration>

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/templates/layout.tpl

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+html {
+  head {
+    title(title)
+    link(rel:'stylesheet', href:'/css/bootstrap.min.css')
+  }
+  body {
+    div(class:'container') {
+      div(class:'navbar') {
+        div(class:'navbar-inner') {
+          a(class:'brand',
+              href:'http://beta.groovy-lang.org/docs/groovy-2.3.0/html/documentation/markup-template-engine.html') {
+              yield 'Groovy - Layout'
+          }
+          ul(class:'nav') {
+            li {
+              a(href:'/') {
+                yield 'Messages'
+              }
+            }
+          }
+        }
+      }
+      h1(title)
+      div { content() }
+    }
+  }
+}

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/templates/messages/form.tpl

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+layout 'layout.tpl', title: 'Messages : Create',
+  content: contents {
+    div (class:'container') {
+      form (id:'messageForm', action:'/', method:'post') {
+      	if (formErrors) {
+          div(class:'alert alert-error') {
+            formErrors.each { error ->
+              p error.defaultMessage
+            }
+          }
+        }
+        div (class:'pull-right') {
+          a (href:'/', 'Messages')
+        }
+        label (for:'summary', 'Summary')
+        input (name:'summary', type:'text', value:message.summary?:'',
+            class:fieldErrors?.summary ? 'field-error' : 'none')
+        label (for:'text', 'Message')
+        textarea (name:'text', class:fieldErrors?.text ? 'field-error' : 'none', message.text?:'')
+        div (class:'form-actions') {
+          input (type:'submit', value:'Create')
+        }
+      }
+    }
+  }

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/templates/messages/list.tpl

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+layout 'layout.tpl', title: 'Messages : View all',
+  content: contents {
+    div(class:'container') {
+      div(class:'pull-right') {
+        a(href:'/?form', 'Create Message')
+      }
+      table(class:'table table-bordered table-striped') {
+        thead {
+          tr {
+            td 'ID'
+            td 'Created'
+            td 'Summary'
+          }
+        }
+        tbody {
+          if (messages.empty) { tr { td(colspan:'3', 'No Messages' ) } }
+          messages.each { message ->
+            tr { 
+              td message.id
+              td "${message.created}"
+              td {
+                a(href:"/${message.id}") {
+                  yield message.getSummary()
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/resources/templates/messages/view.tpl

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+layout 'layout.tpl', title:'Messages : View',
+  content: contents {
+    div(class:'container') {
+      if (globalMessage) {
+        div (class:'alert alert-success', globalMessage)
+      }
+      div(class:'pull-right') {
+        a(href:'/', 'Messages')
+      }
+      dl {
+        dt 'ID'
+        dd(id:'id', message.id)
+        dt 'Date'
+        dd(id:'created', "${message.created}")
+        dt 'Summary'
+        dd(id:'summary', message.summary)
+        dt 'Message'
+        dd(id:'text', message.text)
+      }
+    }
+  }