org.das2.util.filesystem

Class DefaultHttpProtocol

java.lang.Object

org.das2.util.filesystem.DefaultHttpProtocol

All Implemented Interfaces:

WebProtocol

public class DefaultHttpProtocol
extends java.lang.Object
implements WebProtocol

This http protocol uses the local cache.

Field Summary

Fields inherited from interface org.das2.util.filesystem.WebProtocol

HTTP_RESPONSE_CODE, META_CONTENT_LENGTH, META_CONTENT_TYPE, META_COOKIE, META_ETAG, META_EXIST, META_LAST_MODIFIED

Constructor Summary

Constructors

Constructor and Description
DefaultHttpProtocol()

Method Summary

Modifier and Type	Method and Description
java.io.InputStream	getInputStream(WebFileObject fo, ProgressMonitor mon) get an inputStream for the resource.
java.util.Map<java.lang.String,java.lang.String>	getMetadata(WebFileObject fo) return metadata for the resource.
protected static java.lang.String	urlEncodeSansSlash(java.lang.String realName) encode each element of the path.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultHttpProtocol

public DefaultHttpProtocol()

Method Detail

getInputStream

public java.io.InputStream getInputStream(WebFileObject fo,
                                          ProgressMonitor mon)
                                   throws java.io.IOException

Description copied from interface: WebProtocol

get an inputStream for the resource. The client using the stream must make sure the stream is closed.

Specified by:

getInputStream in interface WebProtocol

Parameters:

fo - the resource

mon - monitor for the stream.

Returns:

the stream

Throws:

java.io.IOException

urlEncodeSansSlash

protected static java.lang.String urlEncodeSansSlash(java.lang.String realName)

encode each element of the path. Slashes are left alone.

Parameters:

realName -

Returns:

getMetadata

public java.util.Map<java.lang.String,java.lang.String> getMetadata(WebFileObject fo)
                                                             throws java.io.IOException

Description copied from interface: WebProtocol

return metadata for the resource. This should include:

• WebProtocol.META_EXIST, "true" or "false"
• WebProtocol.META_LAST_MODIFIED, String.valueOf( fo.localFile.lastModified() )
• WebProtocol.META_CONTENT_LENGTH, String.valueOf( fo.localFile.length() )
• WebProtocol.META_CONTENT_TYPE, Files.probeContentType( fo.localFile.toPath() ) )

Specified by:

getMetadata in interface WebProtocol

Parameters:

fo - the resource

Returns:

Throws:

java.io.IOException