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Rename ResolvedResource to HttpResource

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`ResolvedResource` is a rather generic name - changing the extended
interface to something more meaningful: `HttpResource`.
For now, implementations are linked with the resource handling chain,
but this aspect has been removed from the interface documentation.

Issue: SPR-14264
This commit is contained in:
Brian Clozel
2016-09-09 18:18:09 +02:00
parent 2f2e6dffb4
commit 4588b6c9f4
14 changed files with 82 additions and 94 deletions
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6
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/GzipResourceResolver.java
View File

@@ -78,7 +78,7 @@ public class GzipResourceResolver extends AbstractResourceResolver {
}
private static final class GzippedResource extends AbstractResource implements ResolvedResource {
private static final class GzippedResource extends AbstractResource implements HttpResource {
private final Resource original;
@@ -145,8 +145,8 @@ public class GzipResourceResolver extends AbstractResourceResolver {
@Override
public HttpHeaders getResponseHeaders() {
HttpHeaders headers;
if(this.original instanceof ResolvedResource) {
headers = ((ResolvedResource) this.original).getResponseHeaders();
if(this.original instanceof HttpResource) {
headers = ((HttpResource) this.original).getResponseHeaders();
}
else {
headers = new HttpHeaders();

21
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/HttpResource.java Normal file
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@@ -0,0 +1,21 @@
package org.springframework.web.servlet.resource;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
/**
* Extended interface for a {@link Resource} to be written to an
* HTTP response.
*
* @author Brian Clozel
* @since 5.0
*/
public interface HttpResource extends Resource {
/**
* The HTTP headers to be contributed to the HTTP response
* that serves the current resource.
* @return the HTTP response headers
*/
HttpHeaders getResponseHeaders();
}

27
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/ResolvedResource.java
View File

@@ -1,27 +0,0 @@
package org.springframework.web.servlet.resource;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
/**
* Interface for resources resolved through the
* {@link org.springframework.web.servlet.resource.ResourceResolverChain}
* that may contribute HTTP response headers as they're served to HTTP clients.
*
* <p>Some resource implementations, while served by the
* {@link org.springframework.web.servlet.resource.ResourceResolverChain} need
* to contribute resource metadata as HTTP response headers so that HTTP clients
* can interpret them properly.
*
* @author Brian Clozel
* @since 5.0
*/
public interface ResolvedResource extends Resource {
/**
* The HTTP headers to be contributed to the HTTP response
* that serves the current resource.
* @return the HTTP response headers
*/
HttpHeaders getResponseHeaders();
}

4
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/ResourceHttpRequestHandler.java
View File

@@ -542,8 +542,8 @@ public class ResourceHttpRequestHandler extends WebContentGenerator
if (mediaType != null) {
response.setContentType(mediaType.toString());
}
if (resource instanceof ResolvedResource) {
HttpHeaders resourceHeaders = ((ResolvedResource) resource).getResponseHeaders();
if (resource instanceof HttpResource) {
HttpHeaders resourceHeaders = ((HttpResource) resource).getResponseHeaders();
resourceHeaders.toSingleValueMap().entrySet()
.stream().forEach(entry -> response.setHeader(entry.getKey(), entry.getValue()));
}

6
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/VersionResourceResolver.java
View File

@@ -239,7 +239,7 @@ public class VersionResourceResolver extends AbstractResourceResolver {
}
private class FileNameVersionedResource extends AbstractResource implements ResolvedResource {
private class FileNameVersionedResource extends AbstractResource implements HttpResource {
private final Resource original;
@@ -318,8 +318,8 @@ public class VersionResourceResolver extends AbstractResourceResolver {
@Override
public HttpHeaders getResponseHeaders() {
HttpHeaders headers;
if(this.original instanceof ResolvedResource) {
headers = ((ResolvedResource) this.original).getResponseHeaders();
if(this.original instanceof HttpResource) {
headers = ((HttpResource) this.original).getResponseHeaders();
}
else {
headers = new HttpHeaders();