(Objective-C) Get FTP Directory Listing as XML

Demonstrates how to call GetXmlDirListing and parse the results.

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#import <CkoFtp2.h>
#import <NSString.h>
#import <CkoXml.h>

// This example assumes Chilkat Ftp2 to have been previously unlocked.
// See Unlock Ftp2 for sample code.

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

ftp.Hostname = @"www.my-ftp-server.com";
ftp.Username = @"mFtpLogin";
ftp.Password = @"myFtpPassword";

// Connect to the FTP server.
BOOL success = [ftp ConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Authenticate with the FTP server.
success = [ftp LoginAfterConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Retrieve (in XML format) the HOME directory of this FTP account.
NSString *xmlListing = [ftp GetXmlDirListing: @"*.*"];
if (ftp.LastMethodSuccess != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Now load the XML and parse it..
CkoXml *xml = [[CkoXml alloc] init];
[xml LoadXml: xmlListing];
NSLog(@"%@",[xml GetXml]);

// Iterate over the XML...
int i = 0;
int numEntries = [xml.NumChildren intValue];
while (i < numEntries) {
    CkoXml *xEntry = [xml GetChild: [NSNumber numberWithInt: i]];
    if ([xEntry TagEquals: @"dir"] == YES) {
        NSLog(@"%@%@",@"Directory: ",xEntry.Content);
    }
    else {
        int sz = [[xEntry GetChildIntValue: @"size"] intValue];
        NSLog(@"%@%@%@%d",@"File: ",[xEntry GetChildContent: @"name"],@", size: ",sz);
        CkoXml *xLastMod = [xEntry FindChild: @"lastModTime"];
        if (xEntry.LastMethodSuccess == YES) {
            int month = [[xLastMod GetAttrValueInt: @"m"] intValue];
            int year = [[xLastMod GetAttrValueInt: @"y"] intValue];
            int day = [[xLastMod GetAttrValueInt: @"d"] intValue];
            NSLog(@"%@%d%@%d%@%d",@"    YYYY-MM-DD: ",year,@"-",month,@"-",day);

        }

    }

    i = i + 1;
}

[ftp Disconnect];

NSLog(@"%@",@"Success.");

// Sample XML directory listing:
// <?xml version="1.0" encoding="utf-8" ?>
// <remoteDir>
//     <dir>Desktop</dir>
//     <dir>Documents</dir>
//     <dir>Downloads</dir>
//     <dir>Music</dir>
//     <dir>Pictures</dir>
//     <dir>Public</dir>
//     <dir>Templates</dir>
//     <dir>Videos</dir>
//     <file>
//         <name>c.py</name>
//         <size>1244</size>
//         <lastModTime full="20151009-000000" y="2015" d="9" m="10" hh="0" mm="0" ss="0" />
//     </file>
//     <file>
//         <name>cacerts_linux</name>
//         <size>177207</size>
//         <lastModTime full="20140915-000000" y="2014" d="15" m="9" hh="0" mm="0" ss="0" />
//     </file>
//     <file>
//         <name>empty.txt</name>
//         <size>0</size>
//         <lastModTime full="20150917-000000" y="2015" d="17" m="9" hh="0" mm="0" ss="0" />
//     </file>
//     <file>
//         <name>hamlet.xml</name>
//         <size>279658</size>
//         <lastModTime full="20160917-084100" y="2016" d="17" m="9" hh="8" mm="41" ss="0" />
//     </file>
// </remoteDir>
// 
//