org.shareok.data.ouhistory.OuHistoryJournalDataHandlerImpl.java Source code

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Here is the source code for org.shareok.data.ouhistory.OuHistoryJournalDataHandlerImpl.java

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package org.shareok.data.ouhistory;

import java.io.File;
import java.io.FilenameFilter;
import java.util.ArrayList;
import java.util.List;
import org.shareok.data.documentProcessor.DocumentProcessorUtil;
import org.shareok.data.documentProcessor.FileZipper;
import org.shareok.data.documentProcessor.exceptions.FileTypeException;
import org.shareok.data.dspacemanager.DspaceJournalDataUtil;
import org.shareok.data.ouhistory.exceptions.IncorrectDataFolderException;
import org.springframework.web.multipart.MultipartFile;

/**
 *
 * @author Tao Zhao
 */
public class OuHistoryJournalDataHandlerImpl implements OuHistoryJournalDataHandler {

    private static final org.apache.log4j.Logger logger = org.apache.log4j.Logger
            .getLogger(OuHistoryJournalDataHandlerImpl.class);

    @Override
    public String[] processSafPackages(String dataPath) {
        String[] safPackagePaths = null;
        List<String> safPackagePathList = new ArrayList<>();
        try {
            OuHistoryJournalDataProcessorImpl processor = (OuHistoryJournalDataProcessorImpl) OuHistoryJournalDataUtil
                    .getOuHistoryJournalDataProcessorInstance();
            File dataFolder = new File(dataPath);
            if (!dataFolder.exists() || !dataFolder.isDirectory()) {
                throw new IncorrectDataFolderException(
                        "The uploaded data folder does NOT exist or is NOT a directory!");
            }
            FilenameFilter fileNameFilter = new FilenameFilter() {
                @Override
                public boolean accept(File dir, String name) {
                    if (name.lastIndexOf('.') > 0) {
                        int lastIndex = name.lastIndexOf('.');
                        String str = name.substring(lastIndex);
                        if (str.equals(".csv")) {
                            return true;
                        }
                    }
                    return false;
                }
            };
            OuHistoryJournalData data = OuHistoryJournalDataUtil.getOuHistoryJournalDataInstance();
            for (File file : dataFolder.listFiles(fileNameFilter)) {
                data.setFilePath(file.getAbsolutePath());
                processor.setJournalData(data);
                String safPath = processor.processSafpackage();
                if (!DocumentProcessorUtil.isEmptyString(safPath)) {
                    safPackagePathList.add(safPath);
                }
            }
            safPackagePaths = safPackagePathList.toArray(new String[safPackagePathList.size()]);
        } catch (IncorrectDataFolderException ex) {
            logger.error(ex.getMessage());
        }
        return safPackagePaths;
    }

    @Override
    public String[] processSafPackages(MultipartFile file) {
        String[] safPackagePaths = null;
        try {
            String filePath = DspaceJournalDataUtil.saveUploadedData(file, "ouhistory");
            if (null != filePath) {
                String extension = DocumentProcessorUtil.getFileExtension(filePath);
                if (null == extension || !extension.contains("zip")) {
                    throw new FileTypeException("The uploaded file is NOT a zip file");
                }
                String dataFolderPath = FileZipper.unzipToDirectory(filePath);
                safPackagePaths = processSafPackages(dataFolderPath);
            }
        } catch (FileTypeException ex) {
            logger.error(ex.getMessage());
        }
        return safPackagePaths;
    }

}