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cloud-file-manager/CloudFileManager.java at main · Vcode2407/cloud-file-manager · GitHub
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CloudFileManager.java
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CloudFileManager.java
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import
java
.
io
.*;
import
java
.
nio
.
file
.*;
import
java
.
util
.
Scanner
;
public
class
CloudFileManager
{
private
static
final
String
CLOUD_DIR
=
"cloud_storage/"
;
// Simulated cloud folder
public
static
void
main
(
String
[]
args
) {
// Create cloud directory if it doesn’t exist
File
dir
=
new
File
(
CLOUD_DIR
);
if
(!
dir
.
exists
())
dir
.
mkdir
();
Scanner
scanner
=
new
Scanner
(
System
.
in
);
while
(
true
) {
System
.
out
.
println
(
"
\n
Cloud File Manager"
);
System
.
out
.
println
(
"1. Upload File"
);
System
.
out
.
println
(
"2. Download File"
);
System
.
out
.
println
(
"3. List Files"
);
System
.
out
.
println
(
"4. Exit"
);
System
.
out
.
print
(
"Choose an option: "
);
int
choice
=
scanner
.
nextInt
();
scanner
.
nextLine
();
// Clear buffer
switch
(
choice
) {
case
1
:
uploadFile
(
scanner
);
break
;
case
2
:
downloadFile
(
scanner
);
break
;
case
3
:
listFiles
();
break
;
case
4
:
System
.
out
.
println
(
"Exiting..."
);
return
;
default
:
System
.
out
.
println
(
"Invalid option!"
);
}
}
}
private
static
void
uploadFile
(
Scanner
scanner
) {
System
.
out
.
print
(
"Enter file path to upload: "
);
String
sourcePath
=
scanner
.
nextLine
();
File
sourceFile
=
new
File
(
sourcePath
);
if
(!
sourceFile
.
exists
()) {
System
.
out
.
println
(
"File not found!"
);
return
;
}
try
{
Files
.
copy
(
sourceFile
.
toPath
(),
Paths
.
get
(
CLOUD_DIR
+
sourceFile
.
getName
()),
StandardCopyOption
.
REPLACE_EXISTING
);
System
.
out
.
println
(
"File uploaded successfully!"
);
}
catch
(
IOException
e
) {
System
.
out
.
println
(
"Upload failed: "
+
e
.
getMessage
());
}
}
private
static
void
downloadFile
(
Scanner
scanner
) {
System
.
out
.
print
(
"Enter file name to download: "
);
String
fileName
=
scanner
.
nextLine
();
File
sourceFile
=
new
File
(
CLOUD_DIR
+
fileName
);
if
(!
sourceFile
.
exists
()) {
System
.
out
.
println
(
"File not found in cloud!"
);
return
;
}
try
{
Files
.
copy
(
sourceFile
.
toPath
(),
Paths
.
get
(
"downloaded_"
+
fileName
),
StandardCopyOption
.
REPLACE_EXISTING
);
System
.
out
.
println
(
"File downloaded as downloaded_"
+
fileName
);
}
catch
(
IOException
e
) {
System
.
out
.
println
(
"Download failed: "
+
e
.
getMessage
());
}
}
private
static
void
listFiles
() {
File
dir
=
new
File
(
CLOUD_DIR
);
File
[]
files
=
dir
.
listFiles
();
if
(
files
==
null
||
files
.
length
==
0
) {
System
.
out
.
println
(
"No files in cloud storage."
);
return
;
}
System
.
out
.
println
(
"Files in cloud:"
);
for
(
File
file
:
files
) {
System
.
out
.
println
(
"- "
+
file
.
getName
());
}
}
}
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