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SPR-5460: Add AtomView sample to PetClinic

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This commit is contained in:
Arjen Poutsma
2009-02-06 09:12:08 +00:00
parent ce83ebf0de
commit b96a7a7a8c
8 changed files with 407 additions and 24 deletions
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2
org.springframework.samples.petclinic/src/main/java/org/springframework/samples/petclinic/Visit.java
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@@ -63,7 +63,7 @@ public class Visit extends BaseEntity {
/** Setter for property pet.
* @param pet New value of property pet.
*/
protected void setPet(Pet pet) {
public void setPet(Pet pet) {
this.pet = pet;
}

20
org.springframework.samples.petclinic/src/main/java/org/springframework/samples/petclinic/web/ClinicController.java
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@@ -5,8 +5,9 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.samples.petclinic.Clinic;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
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;
/**
@@ -42,8 +43,8 @@ public class ClinicController {
/**
* Custom handler for displaying vets.
* <p>
* Note that this handler returns a plain {@link ModelMap} object instead of
*
* <p>Note that this handler returns a plain {@link ModelMap} object instead of
* a ModelAndView, thus leveraging convention-based model attribute names.
* It relies on the RequestToViewNameTranslator to determine the logical
* view name based on the request URL: "/vets.do" -&gt; "vets".
@@ -68,4 +69,17 @@ public class ClinicController {
return mav;
}
/**
* Custom handler for displaying an list of visits.
*
* @param petId the ID of the pet whose visits to display
* @return a ModelMap with the model attributes for the view
*/
@RequestMapping(value="/owners/*/pets/{petId}/visits", method=RequestMethod.GET)
public ModelAndView visitsHandler(@PathVariable int petId) {
ModelAndView mav = new ModelAndView("visits");
mav.addObject("visits", this.clinic.loadPet(petId).getVisits());
return mav;
}
}

82
org.springframework.samples.petclinic/src/main/java/org/springframework/samples/petclinic/web/VisitsAtomView.java Normal file
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@@ -0,0 +1,82 @@
/*
* Copyright 2002-2009 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 org.springframework.samples.petclinic.web;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.sun.syndication.feed.atom.Content;
import com.sun.syndication.feed.atom.Entry;
import com.sun.syndication.feed.atom.Feed;
import org.springframework.samples.petclinic.Visit;
import org.springframework.web.servlet.view.feed.AbstractAtomFeedView;
/**
* A view creating a Atom representation from a list of Visit objects.
*
* @author Alef Arendsen
* @author Arjen Poutsma
*/
public class VisitsAtomView extends AbstractAtomFeedView {
@Override
protected void buildFeedMetadata(Map<String, Object> model, Feed feed, HttpServletRequest request) {
feed.setId("tag:springsource.com");
feed.setTitle("Pet Clinic Visits");
@SuppressWarnings("unchecked")
List<Visit> visits = (List<Visit>) model.get("visits");
for (Visit visit : visits) {
Date date = visit.getDate();
if (feed.getUpdated() == null || date.compareTo(feed.getUpdated()) > 0) {
feed.setUpdated(date);
}
}
}
@Override
protected List<Entry> buildFeedEntries(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response) throws Exception {
@SuppressWarnings("unchecked")
List<Visit> visits = (List<Visit>) model.get("visits");
List<Entry> entries = new ArrayList<Entry>(visits.size());
for (Visit visit : visits) {
Entry entry = new Entry();
String date = String.format("%1$tY-%1$tm-%1$td", visit.getDate());
// see http://diveintomark.org/archives/2004/05/28/howto-atom-id#other
entry.setId(String.format("tag:springsource.com,%s:%d", date, visit.getId()));
entry.setTitle(String.format("%s visit on %s", visit.getPet().getName(), date));
entry.setUpdated(visit.getDate());
Content summary = new Content();
summary.setValue(visit.getDescription());
entry.setSummary(summary);
entries.add(entry);
}
return entries;
}
}

8
org.springframework.samples.petclinic/src/main/webapp/WEB-INF/jsp/owner.jsp
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@@ -94,6 +94,14 @@
</spring:url>
<a href="${fn:escapeXml(visitUrl)}">Add Visit</a>
</td>
<td></td>
<td>
<spring:url value="{ownerId}/pets/{petId}/visits" var="feedUrl">
<spring:param name="ownerId" value="${owner.id}"/>
<spring:param name="petId" value="${pet.id}"/>
</spring:url>
<a href="${fn:escapeXml(feedUrl)}" rel="alternate" type="application/atom+xml">Atom Feed</a>
</td>
</tr>
</table>
</c:forEach>

12
org.springframework.samples.petclinic/src/main/webapp/WEB-INF/petclinic-servlet.xml
View File

@@ -57,6 +57,18 @@
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/jsp/"
p:suffix=".jsp"/>
<!--
- The BeanNameViewResolver is used to pick up the visits view name (below).
- It has the order property set to 1, which means that this will
- be the first view resolver to be used.
-->
<bean class="org.springframework.web.servlet.view.BeanNameViewResolver" p:order="1"/>
<!--
- The AtomView rendering a Atom feed of the visits
-->
<bean id="visits" class="org.springframework.samples.petclinic.web.VisitsAtomView"/>
<!--
- Message source for this context, loaded from localized "messages_xx" files.
- Could also reside in the root application context, as it is generic,

90
org.springframework.samples.petclinic/src/test/java/org/springframework/samples/petclinic/web/VisitsAtomViewTest.java Normal file
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@@ -0,0 +1,90 @@
/*
* Copyright 2002-2009 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 org.springframework.samples.petclinic.web;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.sun.syndication.feed.atom.Entry;
import com.sun.syndication.feed.atom.Feed;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Before;
import org.junit.Test;
import org.springframework.samples.petclinic.Pet;
import org.springframework.samples.petclinic.PetType;
import org.springframework.samples.petclinic.Visit;
/**
* @author Arjen Poutsma
*/
public class VisitsAtomViewTest {
private VisitsAtomView visitView;
private Map<String, Object> model;
private Feed feed;
@Before
public void setUp() {
visitView = new VisitsAtomView();
PetType dog = new PetType();
dog.setName("dog");
Pet bello = new Pet();
bello.setName("Bello");
bello.setType(dog);
Visit belloVisit = new Visit();
belloVisit.setPet(bello);
belloVisit.setDate(new Date(2009, 0, 1));
belloVisit.setDescription("Bello visit");
Pet wodan = new Pet();
wodan.setName("Wodan");
wodan.setType(dog);
Visit wodanVisit = new Visit();
wodanVisit.setPet(wodan);
wodanVisit.setDate(new Date(2009, 0, 2));
wodanVisit.setDescription("Wodan visit");
List<Visit> visits = new ArrayList<Visit>();
visits.add(belloVisit);
visits.add(wodanVisit);
model = new HashMap<String, Object>();
model.put("visits", visits);
feed = new Feed();
}
@Test
public void buildFeedMetadata() {
visitView.buildFeedMetadata(model, feed, null);
assertNotNull("No id set", feed.getId());
assertNotNull("No title set", feed.getTitle());
assertEquals("Invalid update set", new Date(2009, 0, 2), feed.getUpdated());
}
@Test
public void buildFeedEntries() throws Exception {
List<Entry> entries = visitView.buildFeedEntries(model, null, null);
assertEquals("Invalid amount of entries", 2, entries.size());
}
}