Package org.apache.catalina.webresources

Class FileResource

java.lang.Object

org.apache.catalina.webresources.AbstractResource

org.apache.catalina.webresources.FileResource

All Implemented Interfaces:

WebResource

public class FileResource
extends AbstractResource

Represents a single resource (file or directory) that is located on a file system.

Field Summary

Fields inherited from class org.apache.catalina.webresources.AbstractResource

sm

Constructor Summary

Constructors

Constructor	Description
FileResource(WebResourceRoot root, String webAppPath, File resource, boolean readOnly, Manifest manifest)

Method Summary

Modifier and Type	Method	Description
boolean	canRead()
boolean	delete()
protected InputStream	doGetInputStream()
boolean	exists()
String	getCanonicalPath()
Certificate[]	getCertificates()
URL	getCodeBase()
final byte[]	getContent()
long	getContentLength()
long	getCreation()
long	getLastModified()
protected Log	getLog()
Manifest	getManifest()
String	getName()
URL	getURL()
boolean	isDirectory()
boolean	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.

Methods inherited from class org.apache.catalina.webresources.AbstractResource

getETag, getInputStream, getLastModifiedHttp, getMimeType, getWebappPath, getWebResourceRoot, setMimeType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FileResource

public FileResource(WebResourceRoot root,
 String webAppPath,
 File resource,
 boolean readOnly,
 Manifest manifest)

Method Details

getLastModified

public long getLastModified()

Returns:

File.lastModified().

exists

public boolean exists()

Returns:

File.exists().

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.

Returns:

true for a virtual resource

isDirectory

public boolean isDirectory()

Returns:

File.isDirectory().

isFile

public boolean isFile()

Returns:

File.isFile().

delete

public boolean delete()

Returns:

File.delete().

getName

public String getName()

Returns:

File.getName().

getContentLength

public long getContentLength()

Returns:

File.length().

getCanonicalPath

public String getCanonicalPath()

Returns:

File.getCanonicalPath().

canRead

public boolean canRead()

Returns:

File.canRead().

doGetInputStream

protected InputStream doGetInputStream()

Specified by:

doGetInputStream in class AbstractResource

getContent

public final byte[] getContent()

Returns:

the binary content of this resource or null if it is not available in a byte[] because, for example, it is too big.

getCreation

public long getCreation()

Returns:

The time the file was created. If not available, the result of WebResource.getLastModified() will be returned.

getURL

public URL getURL()

Returns:

a URL to access the resource or null if no such URL is available or if the resource does not exist.

getCodeBase

public URL getCodeBase()

Returns:

the 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.

getCertificates

public Certificate[] getCertificates()

Returns:

the certificates that were used to sign this resource to verify it or @null if none.

See Also:

• JarEntry.getCertificates()

getManifest

public Manifest getManifest()

Returns:

the manifest associated with this resource or @null if none.

See Also:

• JarFile.getManifest()

getLog

protected Log getLog()

Specified by:

getLog in class AbstractResource