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overall cleanup

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This commit is contained in:
Eugen
2013-05-27 18:47:41 +03:00
parent af424e266b
commit b0692e8ef3
10 changed files with 53 additions and 68 deletions
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23
spring-security-rest/src/main/java/org/baeldung/persistence/service/FooService.java
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package org.baeldung.persistence.service;
import org.baeldung.web.dto.Foo;
import org.springframework.stereotype.Service;
@Service
public class FooService {
public FooService() {
super();
}
// API
public Foo getById(final Long id) {
return null;
}
public Long create(final Foo resource) {
return null;
}
}

63
spring-security-rest/src/main/java/org/baeldung/web/controller/FooController.java
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@@ -1,63 +0,0 @@
package org.baeldung.web.controller;
import java.net.URI;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.baeldung.persistence.service.FooService;
import org.baeldung.web.dto.Foo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.util.UriTemplate;
import com.google.common.base.Preconditions;
@Controller
public class FooController {
@Autowired
private FooService service;
@Autowired
private ApplicationEventPublisher eventPublisher;
// API
@RequestMapping(value = "admin/foo/{id}", method = RequestMethod.GET)
@ResponseBody
public Foo get(@PathVariable("id") final Long id, final HttpServletRequest request, final HttpServletResponse response) {
final Foo resourceById = Preconditions.checkNotNull(service.getById(id));
eventPublisher.publishEvent(new SingleResourceRetrieved(this, request, response));
return resourceById;
}
@RequestMapping(value = "admin/foo", method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)
public void create(@RequestBody final Foo resource, final HttpServletRequest request, final HttpServletResponse response) {
Preconditions.checkNotNull(resource);
final Long idOfCreatedResource = service.create(resource);
eventPublisher.publishEvent(new ResourceCreated(this, request, response, idOfCreatedResource));
}
@RequestMapping(value = "admin", method = RequestMethod.GET)
@ResponseStatus(value = HttpStatus.NO_CONTENT)
public void adminRoot(final HttpServletRequest request, final HttpServletResponse response) {
final String rootUri = request.getRequestURL().toString();
final URI fooUri = new UriTemplate("{rootUri}/{resource}").expand(rootUri, "foo");
final String linkToFoo = LinkUtil.createLinkHeader(fooUri.toASCIIString(), "collection");
response.addHeader("Link", linkToFoo);
}
}

30
spring-security-rest/src/main/java/org/baeldung/web/controller/LinkUtil.java
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@@ -1,30 +0,0 @@
package org.baeldung.web.controller;
import javax.servlet.http.HttpServletResponse;
/**
* Provides some constants and utility methods to build a Link Header to be stored in the {@link HttpServletResponse} object
*/
public final class LinkUtil {
private LinkUtil() {
throw new AssertionError();
}
//
/**
* Creates a Link Header to be stored in the {@link HttpServletResponse} to provide Discoverability features to the user
*
* @param uri
* the base uri
* @param rel
* the relative path
*
* @return the complete url
*/
public static String createLinkHeader(final String uri, final String rel) {
return "<" + uri + ">; rel=\"" + rel + "\"";
}
}

35
spring-security-rest/src/main/java/org/baeldung/web/controller/ResourceCreated.java
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@@ -1,35 +0,0 @@
package org.baeldung.web.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.ApplicationEvent;
public class ResourceCreated extends ApplicationEvent {
private final HttpServletResponse response;
private final HttpServletRequest request;
private final long idOfNewResource;
public ResourceCreated(final Object source, final HttpServletRequest request, final HttpServletResponse response, final long idOfNewResource) {
super(source);
this.request = request;
this.response = response;
this.idOfNewResource = idOfNewResource;
}
// API
public HttpServletResponse getResponse() {
return response;
}
public HttpServletRequest getRequest() {
return request;
}
public long getIdOfNewResource() {
return idOfNewResource;
}
}

35
spring-security-rest/src/main/java/org/baeldung/web/controller/ResourceCreatedDiscoverabilityListener.java
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@@ -1,35 +0,0 @@
package org.baeldung.web.controller;
import java.net.URI;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
import org.springframework.web.util.UriTemplate;
import com.google.common.base.Preconditions;
import com.google.common.net.HttpHeaders;
@Component
class ResourceCreatedDiscoverabilityListener implements ApplicationListener<ResourceCreated> {
@Override
public void onApplicationEvent(final ResourceCreated resourceCreatedEvent) {
Preconditions.checkNotNull(resourceCreatedEvent);
final HttpServletRequest request = resourceCreatedEvent.getRequest();
final HttpServletResponse response = resourceCreatedEvent.getResponse();
final long idOfNewResource = resourceCreatedEvent.getIdOfNewResource();
addLinkHeaderOnResourceCreation(request, response, idOfNewResource);
}
void addLinkHeaderOnResourceCreation(final HttpServletRequest request, final HttpServletResponse response, final long idOfNewResource) {
final String requestUrl = request.getRequestURL().toString();
final URI uri = new UriTemplate("{requestUrl}/{idOfNewResource}").expand(requestUrl, idOfNewResource);
response.setHeader(HttpHeaders.LOCATION, uri.toASCIIString());
}
}

29
spring-security-rest/src/main/java/org/baeldung/web/controller/SingleResourceRetrieved.java
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@@ -1,29 +0,0 @@
package org.baeldung.web.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.ApplicationEvent;
public class SingleResourceRetrieved extends ApplicationEvent {
private final HttpServletResponse response;
private final HttpServletRequest request;
public SingleResourceRetrieved(final Object source, final HttpServletRequest request, final HttpServletResponse response) {
super(source);
this.request = request;
this.response = response;
}
// API
public HttpServletResponse getResponse() {
return response;
}
public HttpServletRequest getRequest() {
return request;
}
}

32
spring-security-rest/src/main/java/org/baeldung/web/controller/SingleResourceRetrievedDiscoverabilityListener.java
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@@ -1,32 +0,0 @@
package org.baeldung.web.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
import com.google.common.base.Preconditions;
@Component
class SingleResourceRetrievedDiscoverabilityListener implements ApplicationListener<SingleResourceRetrieved> {
@Override
public void onApplicationEvent(final SingleResourceRetrieved resourceRetrievedEvent) {
Preconditions.checkNotNull(resourceRetrievedEvent);
final HttpServletRequest request = resourceRetrievedEvent.getRequest();
final HttpServletResponse response = resourceRetrievedEvent.getResponse();
addLinkHeaderOnSingleResourceRetrieval(request, response);
}
void addLinkHeaderOnSingleResourceRetrieval(final HttpServletRequest request, final HttpServletResponse response) {
final StringBuffer requestURL = request.getRequestURL();
final int positionOfLastSlash = requestURL.lastIndexOf("/");
final String uriForResourceCreation = requestURL.substring(0, positionOfLastSlash);
final String linkHeaderValue = LinkUtil.createLinkHeader(uriForResourceCreation, "collection");
response.addHeader("Link", linkHeaderValue);
}
}

5
spring-security-rest/src/main/java/org/baeldung/web/dto/Foo.java
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@@ -1,5 +0,0 @@
package org.baeldung.web.dto;
public class Foo {
}