Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ResourceRegion fits better in core.io.support (next to EncodedResource)

Browse Source 
Issue: SPR-14221
This commit is contained in:
Juergen Hoeller
2016-05-06 12:02:51 +02:00
parent e5dbe12e85
commit 42d32ba396
7 changed files with 59 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
spring-core/src/main/java/org/springframework/core/io/ResourceRegion.java → spring-core/src/main/java/org/springframework/core/io/support/ResourceRegion.java
View File

@@ -14,15 +14,17 @@
* limitations under the License.
*/
package org.springframework.core.io;
package org.springframework.core.io.support;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
/**
* Region of a {@link Resource} implementation, materialized by a {@code position}
* within the {@link Resource} and a byte {@code count} for the length of that region.
*
* @author Arjen Poutsma
* @since 4.3.0
* @since 4.3
*/
public class ResourceRegion {
@@ -32,16 +34,17 @@ public class ResourceRegion {
private final long count;
/**
* Create a new {@code ResourceRegion} from a given {@link Resource}.
* This region of a resource is reprensented by a start {@code position}
* This region of a resource is represented by a start {@code position}
* and a byte {@code count} within the given {@code Resource}.
* @param resource a Resource
* @param position the start position of the region in that resource
* @param count the byte count of the region in that resource
*/
public ResourceRegion(Resource resource, long position, long count) {
Assert.notNull(resource, "'resource' must not be null");
Assert.notNull(resource, "Resource must not be null");
Assert.isTrue(position >= 0, "'position' must be larger than or equal to 0");
Assert.isTrue(count >= 0, "'count' must be larger than or equal to 0");
this.resource = resource;
@@ -49,6 +52,7 @@ public class ResourceRegion {
this.count = count;
}
/**
* Return the underlying {@link Resource} for this {@code ResourceRegion}
*/
@@ -69,4 +73,5 @@ public class ResourceRegion {
public long getCount() {
return this.count;
}
}
}