PenSynchManager.java

package edu.stanford.hci.r3.pen.batch;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import edu.stanford.hci.r3.PaperToolkit;
import edu.stanford.hci.r3.util.files.FileUtils;
import edu.stanford.hci.r3.util.files.SortDirection;

public class PenSynchManager {

        private File penSynchDataPath;
        private List<File> xmlFiles;

        public PenSynchManager() {
                // get the XML data path, and check to see if there are any new files since we last checked.
                // All we do is maintain a modification time of the last file we have processed, and we
                // process any xml file that is newer than this lastModified date.
                penSynchDataPath = PaperToolkit.getPenSynchDataPath();

                // get list of XML files in the penSynch directory
                xmlFiles = FileUtils.listVisibleFiles(penSynchDataPath, new String[] { "XML" });

                // DebugUtils.println(xmlFiles);
        }

        public List<File> getFiles() {
                SortDirection sortDir = SortDirection.NEW_TO_OLD;
                List<File> files = new ArrayList<File>();
                for (File f : xmlFiles) {
                        files.add(f);
                }
                FileUtils.sortByLastModified(files, sortDir);
                return files;
        }

        public List<File> getFilesNewerThan(long lastModifiedTimestamp) {
                List<File> newFiles = new ArrayList<File>();
                for (File f : xmlFiles) {
                        if (f.lastModified() > lastModifiedTimestamp) {
                                // DebugUtils.println(f.lastModified());
                                newFiles.add(f);
                        }
                }
                FileUtils.sortByLastModified(newFiles, SortDirection.OLD_TO_NEW);
                return newFiles;
        }
}

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