public class AppCacheManifestTransfomer extends java.lang.Object implements ResourceTransformer
ResourceTransformer
implementation that helps handling resources
within HTML5 AppCache manifests for HTML5 offline applications.
This transformer:
ResourceResolver
strategies
Modifier and Type | Class and Description |
---|---|
private static class |
AppCacheManifestTransfomer.CacheSection |
private static class |
AppCacheManifestTransfomer.HashBuilder |
private static class |
AppCacheManifestTransfomer.NoOpSection |
private static interface |
AppCacheManifestTransfomer.SectionTransformer |
Modifier and Type | Field and Description |
---|---|
private static java.nio.charset.Charset |
DEFAULT_CHARSET |
private java.lang.String |
fileExtension |
private static Log |
logger |
private static java.lang.String |
MANIFEST_HEADER |
private java.util.Map<java.lang.String,AppCacheManifestTransfomer.SectionTransformer> |
sectionTransformers |
Constructor and Description |
---|
AppCacheManifestTransfomer()
Create an AppCacheResourceTransformer that transforms files with extension ".manifest"
|
AppCacheManifestTransfomer(java.lang.String fileExtension)
Create an AppCacheResourceTransformer that transforms files with the extension
given as a parameter.
|
Modifier and Type | Method and Description |
---|---|
Resource |
transform(HttpServletRequest request,
Resource resource,
ResourceTransformerChain transformerChain)
Transform the given resource.
|
private static final java.lang.String MANIFEST_HEADER
private static final java.nio.charset.Charset DEFAULT_CHARSET
private static final Log logger
private final java.util.Map<java.lang.String,AppCacheManifestTransfomer.SectionTransformer> sectionTransformers
private final java.lang.String fileExtension
public AppCacheManifestTransfomer()
public AppCacheManifestTransfomer(java.lang.String fileExtension)
public Resource transform(HttpServletRequest request, Resource resource, ResourceTransformerChain transformerChain) throws java.io.IOException
ResourceTransformer
transform
in interface ResourceTransformer
request
- the current requestresource
- the resource to transformtransformerChain
- the chain of remaining transformers to delegate tonull
java.io.IOException
- if the transformation fails