Added folder.getPreviousChild() method to PSTFolder.java , it allows …

[vasilevich]

Added folder.getPreviousChild() method to PSTFolder.java ,
it allows you to scan the emails backwards until it reaches 0,
you must set the cursor further than 0 first (eg: folder.moveChildCursorTo(folder.getContentCount()-1)

try:
` package example;
import com.pff.;
import java.util.;

public class Test {
public static void main(String[] args)
{
    new Test();
}

public Test() {
    try {
        PSTFile pstFile = new     PSTFile("C:\\Users\\alonpi\\AppData\\Local\\Microsoft\\Outlook\\Outlook.pst");
        System.out.println(pstFile.getMessageStore().getDisplayName());
        processFolder(pstFile.getRootFolder());
    } catch (Exception err) {
        err.printStackTrace();
    }
}

int depth = -1;
public void processFolder(PSTFolder folder)
        throws PSTException, java.io.IOException
{
    depth++;
    // the root folder doesn't have a display name
    if (depth > 0) {
        printDepth();
        System.out.println(folder.getDisplayName());
    }

    // go through the folders...
    if (folder.hasSubfolders()) {
        Vector<PSTFolder> childFolders = folder.getSubFolders();
        for (PSTFolder childFolder : childFolders) {
            processFolder(childFolder);
        }
    }

    // and now the emails for this folder
    if (folder.getContentCount() > 0) {
        depth++;

        folder.moveChildCursorTo(folder.getContentCount()-1);

        PSTMessage email = (PSTMessage)folder.getPreviousChild();
        while (email != null) {
            printDepth();

                System.out.println(email.getSenderEmailAddress() + "  " + "Email: " + email.getDescriptorNodeId() + " - " + email.getSubject());

            email = (PSTMessage)folder.getPreviousChild();
        }
        depth--;
    }
    depth--;
}

public void printDepth() {
    for (int x = 0; x < depth-1; x++) {
        System.out.print(" | ");
    }
    System.out.print(" |- ");
}

}
`