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com.eireneh.util
Class NetUtil
java.lang.Objectcom.eireneh.util.NetUtil
- public class NetUtil
- extends java.lang.Object
The NetUtil class looks after general utility stuff around the java.net package.
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Distribution Licence: Project B is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. The License is available on the internet here, by writing to Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA, Or locally at the Licence link below. The copyright to this program is held by it's authors. |
- Version:
- D0.I0.T0
| Constructor Summary | |
private |
NetUtil()
Basic constructor - ensure that we can't be instansiated |
| Method Summary | |
static boolean |
delete(java.net.URL orig)
Delete a URL. |
static java.io.OutputStream |
getOutputStream(java.net.URL url)
Attempt to obtain an OutputStream from a URL. |
static java.io.OutputStream |
getOutputStream(java.net.URL url,
boolean append)
Attempt to obtain an OutputStream from a URL. |
static boolean |
isDirectory(java.net.URL orig)
If there is a directory at the other end of this URL return true. |
static boolean |
isFile(java.net.URL orig)
If there is a file at the other end of this URL return true. |
static java.net.URL |
lengthenURL(java.net.URL orig,
java.lang.String extra)
Utility to add a string to the end of a URL. |
static java.net.URL |
lengthenURL(java.net.URL orig,
java.lang.String extra1,
java.lang.String extra2)
Utility to add a string to the end of a URL. |
static java.net.URL |
lengthenURL(java.net.URL orig,
java.lang.String extra1,
java.lang.String extra2,
java.lang.String extra3)
Utility to add a string to the end of a URL. |
static void |
makeDirectory(java.net.URL orig)
If the directory does not exist, create it. |
static void |
makeFile(java.net.URL orig)
If the file does not exist, create it. |
static boolean |
move(java.net.URL old_url,
java.net.URL new_url)
Move a URL from one place to another. |
static java.net.URL |
shortenURL(java.net.URL orig,
java.lang.String strip)
Utility to strip a string from the end of a URL. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
NetUtil
private NetUtil()
- Basic constructor - ensure that we can't be instansiated
| Method Detail |
makeDirectory
public static void makeDirectory(java.net.URL orig) throws java.net.MalformedURLException
- If the directory does not exist, create it.
Note this currently only works with file: type URLs
makeFile
public static void makeFile(java.net.URL orig) throws java.net.MalformedURLException, java.io.IOException
- If the file does not exist, create it.
Note this currently only works with file: type URLs
isFile
public static boolean isFile(java.net.URL orig) throws java.net.MalformedURLException
- If there is a file at the other end of this URL return true.
Note this currently only works with file: type URLs
isDirectory
public static boolean isDirectory(java.net.URL orig) throws java.net.MalformedURLException
- If there is a directory at the other end of this URL return true.
Note this currently only works with file: type URLs
move
public static boolean move(java.net.URL old_url, java.net.URL new_url) throws java.io.IOException
- Move a URL from one place to another. Currently this only works for
file: URLs, however the interface should not need to change to
handle more complex URLs
delete
public static boolean delete(java.net.URL orig) throws java.io.IOException
- Delete a URL. Currently this only works for file: URLs, however
the interface should not need to change to handle more complex URLs
shortenURL
public static java.net.URL shortenURL(java.net.URL orig, java.lang.String strip) throws java.net.MalformedURLException
- Utility to strip a string from the end of a URL.
lengthenURL
public static java.net.URL lengthenURL(java.net.URL orig, java.lang.String extra) throws java.net.MalformedURLException
- Utility to add a string to the end of a URL.
lengthenURL
public static java.net.URL lengthenURL(java.net.URL orig, java.lang.String extra1, java.lang.String extra2) throws java.net.MalformedURLException
- Utility to add a string to the end of a URL.
lengthenURL
public static java.net.URL lengthenURL(java.net.URL orig, java.lang.String extra1, java.lang.String extra2, java.lang.String extra3) throws java.net.MalformedURLException
- Utility to add a string to the end of a URL.
getOutputStream
public static java.io.OutputStream getOutputStream(java.net.URL url) throws java.io.IOException
- Attempt to obtain an OutputStream from a URL. The simple case will
just call url.openConnection().getOutputStream(), however in some
JVMs (MS at least this fails where new FileOutputStream(url) works.
So if openConnection().getOutputStream() fails and the protocol is
file, then the alternate version is used.
getOutputStream
public static java.io.OutputStream getOutputStream(java.net.URL url, boolean append) throws java.io.IOException
- Attempt to obtain an OutputStream from a URL. The simple case will
just call url.openConnection().getOutputStream(), however in some
JVMs (MS at least this fails where new FileOutputStream(url) works.
So if openConnection().getOutputStream() fails and the protocol is
file, then the alternate version is used.
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