EmptyResource (Apache Tomcat 8.0.15 API Documentation)

java.lang.Object
- org.apache.catalina.webresources.EmptyResource

All Implemented Interfaces:

WebResource

Direct Known Subclasses:

VirtualResource
```
public class EmptyResource
extends Object
implements WebResource
```

Constructor Summary

Constructors
Constructor and Description
`EmptyResource(WebResourceRoot root, String webAppPath)`
`EmptyResource(WebResourceRoot root, String webAppPath, File file)`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`canRead()` See `File.canRead()`.
`boolean`	`delete()` See `File.delete()`.
`boolean`	`exists()` See `File.exists()`.
`String`	`getCanonicalPath()` See `File.getCanonicalPath()`.
`Certificate[]`	`getCertificates()` Obtain the certificates that were used to sign this resource to verify it or @null if none.
`URL`	`getCodeBase()` Get code base for this resource that will be used when looking up the assigned permissions for the code base in the security policy file when running under a security manager.
`byte[]`	`getContent()` Obtain the cached binary content of this resource.
`long`	`getContentLength()` See `File.length()`.
`long`	`getCreation()` The time the file was created.
`String`	`getETag()` Return the strong ETag if available (currently not supported) else return the weak ETag calculated from the content length and last modified.
`InputStream`	`getInputStream()` Obtain an InputStream based on the contents of this resource.
`long`	`getLastModified()` See `File.lastModified()`.
`String`	`getLastModifiedHttp()` Return the last modified time of this resource in the correct format for the HTTP Last-Modified header as specified by RFC 2616.
`Manifest`	`getManifest()` Obtain the manifest associated with this resource or @null if none.
`String`	`getMimeType()` Get the MIME type for this Resource.
`String`	`getName()` See `File.getName()`.
`URL`	`getURL()` Obtain a URL to access the resource or `null` if no such URL is available or if the resource does not exist.
`String`	`getWebappPath()` The path of this resource relative to the web application root.
`WebResourceRoot`	`getWebResourceRoot()` Obtain a reference to the WebResourceRoot of which this WebResource is a part.
`boolean`	`isDirectory()` See `File.isDirectory()`.
`boolean`	`isFile()` See `File.isFile()`.
`boolean`	`isVirtual()` Indicates if this resource is required for applications to correctly scan the file structure but that does not exist in either the main or any additional `WebResourceSet`.
`void`	`setMimeType(String mimeType)` Set the MIME type for this Resource.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EmptyResource
```
public EmptyResource(WebResourceRoot root,
             String webAppPath)
```
  - EmptyResource
```
public EmptyResource(WebResourceRoot root,
             String webAppPath,
             File file)
```
- Method Detail
  - getLastModified
```
public long getLastModified()
```
    Description copied from interface: WebResource
    
    See File.lastModified().
    
    Specified by:
    
    getLastModified in interface WebResource
  - getLastModifiedHttp
```
public String getLastModifiedHttp()
```
    Description copied from interface: WebResource
    
    Return the last modified time of this resource in the correct format for the HTTP Last-Modified header as specified by RFC 2616.
    
    Specified by:
    
    getLastModifiedHttp in interface WebResource
  - exists
```
public boolean exists()
```
    Description copied from interface: WebResource
    
    See File.exists().
    
    Specified by:
    
    exists in interface WebResource
  - isVirtual
```
public boolean isVirtual()
```
    Description copied from interface: WebResource
    
    Indicates if this resource is required for applications to correctly scan the file structure but that does not exist in either the main or any additional WebResourceSet. For example, if an external directory is mapped to /WEB-INF/lib in an otherwise empty web application, /WEB-INF will be represented as a virtual resource.
    
    Specified by:
    
    isVirtual in interface WebResource
  - isDirectory
```
public boolean isDirectory()
```
    Description copied from interface: WebResource
    
    See File.isDirectory().
    
    Specified by:
    
    isDirectory in interface WebResource
  - isFile
```
public boolean isFile()
```
    Description copied from interface: WebResource
    
    See File.isFile().
    
    Specified by:
    
    isFile in interface WebResource
  - delete
```
public boolean delete()
```
    Description copied from interface: WebResource
    
    See File.delete().
    
    Specified by:
    
    delete in interface WebResource
  - getName
```
public String getName()
```
    Description copied from interface: WebResource
    
    See File.getName().
    
    Specified by:
    
    getName in interface WebResource
  - getContentLength
```
public long getContentLength()
```
    Description copied from interface: WebResource
    
    See File.length().
    
    Specified by:
    
    getContentLength in interface WebResource
  - getCanonicalPath
```
public String getCanonicalPath()
```
    Description copied from interface: WebResource
    
    See File.getCanonicalPath().
    
    Specified by:
    
    getCanonicalPath in interface WebResource
  - canRead
```
public boolean canRead()
```
    Description copied from interface: WebResource
    
    See File.canRead().
    
    Specified by:
    
    canRead in interface WebResource
  - getWebappPath
```
public String getWebappPath()
```
    Description copied from interface: WebResource
    
    The path of this resource relative to the web application root. If the resource is a directory, the return value will end in '/'.
    
    Specified by:
    
    getWebappPath in interface WebResource
  - getETag
```
public String getETag()
```
    Description copied from interface: WebResource
    
    Return the strong ETag if available (currently not supported) else return the weak ETag calculated from the content length and last modified.
    
    Specified by:
    
    getETag in interface WebResource
    
    Returns:
    The ETag for this resource
  - setMimeType
```
public void setMimeType(String mimeType)
```
    Description copied from interface: WebResource
    
    Set the MIME type for this Resource.
    
    Specified by:
    
    setMimeType in interface WebResource
  - getMimeType
```
public String getMimeType()
```
    Description copied from interface: WebResource
    
    Get the MIME type for this Resource.
    
    Specified by:
    
    getMimeType in interface WebResource
  - getInputStream
```
public InputStream getInputStream()
```
    Description copied from interface: WebResource
    
    Obtain an InputStream based on the contents of this resource.
    
    Specified by:
    
    getInputStream in interface WebResource
    
    Returns:
    An InputStream based on the contents of this resource or null if the resource does not exist or does not represent a file
  - getContent
```
public byte[] getContent()
```
    Description copied from interface: WebResource
    
    Obtain the cached binary content of this resource.
    
    Specified by:
    
    getContent in interface WebResource
  - getCreation
```
public long getCreation()
```
    Description copied from interface: WebResource
    
    The time the file was created. If not available, the result of WebResource.getLastModified() will be returned.
    
    Specified by:
    
    getCreation in interface WebResource
  - getURL
```
public URL getURL()
```
    Description copied from interface: WebResource
    
    Obtain a URL to access the resource or null if no such URL is available or if the resource does not exist.
    
    Specified by:
    
    getURL in interface WebResource
  - getCodeBase
```
public URL getCodeBase()
```
    Description copied from interface: WebResource
    
    Get code base for this resource that will be used when looking up the assigned permissions for the code base in the security policy file when running under a security manager.
    
    Specified by:
    
    getCodeBase in interface WebResource
  - getCertificates
```
public Certificate[] getCertificates()
```
    Description copied from interface: WebResource
    
    Obtain the certificates that were used to sign this resource to verify it or @null if none.
    
    Specified by:
    
    getCertificates in interface WebResource
    
    See Also:
    JarEntry.getCertificates()
  - getManifest
```
public Manifest getManifest()
```
    Description copied from interface: WebResource
    
    Obtain the manifest associated with this resource or @null if none.
    
    Specified by:
    
    getManifest in interface WebResource
    
    See Also:
    JarFile.getManifest()
  - getWebResourceRoot
```
public WebResourceRoot getWebResourceRoot()
```
    Description copied from interface: WebResource
    
    Obtain a reference to the WebResourceRoot of which this WebResource is a part.
    
    Specified by:
    
    getWebResourceRoot in interface WebResource

Class EmptyResource

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EmptyResource

EmptyResource

Method Detail

getLastModified

getLastModifiedHttp

exists

isVirtual

isDirectory

isFile

delete

getName

getContentLength

getCanonicalPath

canRead

getWebappPath

getETag

setMimeType

getMimeType

getInputStream

getContent

getCreation

getURL

getCodeBase

getCertificates

getManifest

getWebResourceRoot