Package org.apache.commons.vfs2.provider
Class HostFileNameParser
- java.lang.Object
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- org.apache.commons.vfs2.provider.AbstractFileNameParser
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- org.apache.commons.vfs2.provider.HostFileNameParser
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- All Implemented Interfaces:
FileNameParser
- Direct Known Subclasses:
FtpFileNameParser
,URLFileNameParser
public class HostFileNameParser extends AbstractFileNameParser
Implementation for any url based filesystem.Parses the url into user/password/host/port/path. Does not handle a query string (after ?)
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected static class
HostFileNameParser.Authority
Parsed authority info (scheme, hostname, username/password, port).
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Constructor Summary
Constructors Constructor Description HostFileNameParser(int defaultPort)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.lang.String
extractHostName(java.lang.StringBuilder name)
Extracts the hostname from a URI.protected int
extractPort(java.lang.StringBuilder name, java.lang.String uri)
Extracts the port from a URI.protected HostFileNameParser.Authority
extractToPath(java.lang.String uri, java.lang.StringBuilder name)
Extracts the scheme, userinfo, hostname and port components of a generic URI.protected java.lang.String
extractUserInfo(java.lang.StringBuilder name)
Extracts the user info from a URI.int
getDefaultPort()
FileName
parseUri(VfsComponentContext context, FileName base, java.lang.String filename)
parses a String into a filename.-
Methods inherited from class org.apache.commons.vfs2.provider.AbstractFileNameParser
encodeCharacter
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Constructor Detail
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HostFileNameParser
public HostFileNameParser(int defaultPort)
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Method Detail
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getDefaultPort
public int getDefaultPort()
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parseUri
public FileName parseUri(VfsComponentContext context, FileName base, java.lang.String filename) throws FileSystemException
Description copied from interface:FileNameParser
parses a String into a filename.- Parameters:
context
- The component context.base
- The base FileName.filename
- The target file name.- Returns:
- A FileName that represents the taret file.
- Throws:
FileSystemException
- if an error occurs parsing the URI.
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extractToPath
protected HostFileNameParser.Authority extractToPath(java.lang.String uri, java.lang.StringBuilder name) throws FileSystemException
Extracts the scheme, userinfo, hostname and port components of a generic URI.- Parameters:
uri
- The absolute URI to parse.name
- Used to return the remainder of the URI.- Returns:
- Authority extracted host authority, never null.
- Throws:
FileSystemException
- if authority cannot be extracted.
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extractUserInfo
protected java.lang.String extractUserInfo(java.lang.StringBuilder name)
Extracts the user info from a URI.- Parameters:
name
- string buffer with the "scheme://" part has been removed already. Will be modified.- Returns:
- the user information up to the '@' or null.
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extractHostName
protected java.lang.String extractHostName(java.lang.StringBuilder name)
Extracts the hostname from a URI.- Parameters:
name
- string buffer with the "scheme://[userinfo@]" part has been removed already. Will be modified.- Returns:
- the host name or null.
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extractPort
protected int extractPort(java.lang.StringBuilder name, java.lang.String uri) throws FileSystemException
Extracts the port from a URI.- Parameters:
name
- string buffer with the "scheme://[userinfo@]hostname" part has been removed already. Will be modified.uri
- full URI for error reporting.- Returns:
- The port, or -1 if the URI does not contain a port.
- Throws:
FileSystemException
- if URI is malformed.java.lang.NumberFormatException
- if port number cannot be parsed.
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