com.wabacus.system.dataimport.thread.FileUpDataImportThread.java Source code

Introduction

Here is the source code for com.wabacus.system.dataimport.thread.FileUpDataImportThread.java

Source

/* 
 * Copyright (C) 2010---2014 (wuweixing)<349446658@qq.com>
 * 
 * This file is part of Wabacus 
 * 
 * Wabacus is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.wabacus.system.dataimport.thread;

import java.io.File;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.wabacus.system.assistant.FilePathAssistant;
import com.wabacus.system.dataimport.DataImportItem;
import com.wabacus.system.dataimport.queue.UploadFilesQueue;
import com.wabacus.util.Consts_Private;
import com.wabacus.util.FileLockTools;

public class FileUpDataImportThread extends AbsDataImportThread {
    private static Log log = LogFactory.getLog(FileUpDataImportThread.class);

    private final static FileUpDataImportThread instance = new FileUpDataImportThread();

    private FileUpDataImportThread() {
    }

    public static FileUpDataImportThread getInstance() {
        return instance;
    }

    public void stopRunning() {
        super.stopRunning();
        UploadFilesQueue.getInstance().notifyAllThread();
    }

    public void run() {
        while (RUNNING_FLAG) {
            try {
                List<Map<List<DataImportItem>, Map<File, FileItem>>> lstUploadFiles = UploadFilesQueue.getInstance()
                        .getLstAllUploadFiles();
                log.debug("?.........................");
                for (Map<List<DataImportItem>, Map<File, FileItem>> mUploadFilesTmp : lstUploadFiles) {
                    if (mUploadFilesTmp.size() == 0)
                        continue;
                    Entry<List<DataImportItem>, Map<File, FileItem>> entry = mUploadFilesTmp.entrySet().iterator()
                            .next();
                    doDataImport(entry.getKey(), entry.getValue());
                }
            } catch (Exception e) {
                log.error("??", e);
            }
        }
    }

    public String doDataImport(List<DataImportItem> lstDataItems, Map<File, FileItem> mUploadFiles) {
        if (lstDataItems == null || lstDataItems.size() == 0 || mUploadFiles == null || mUploadFiles.size() == 0)
            return "";
        String lockfile = FilePathAssistant.getInstance().standardFilePath(
                lstDataItems.get(0).getConfigBean().getFilepath() + "\\" + Consts_Private.DATAIMPORT_LOCKFILENAME);
        Object lockresource = FileLockTools.lock(lockfile, 5, 10);
        if (lockresource == null) {
            log.error("??" + lockfile + "?");
            return "??" + lockfile + "?";
        }
        try {
            for (Entry<File, FileItem> fileTmpEntry : mUploadFiles.entrySet()) {
                if (fileTmpEntry == null)
                    continue;
                File f = fileTmpEntry.getKey();
                FileItem fitem = fileTmpEntry.getValue();
                try {
                    fitem.write(f);
                } catch (Exception e) {
                    log.error("?" + f.getAbsolutePath() + "", e);
                    return "?" + f.getAbsolutePath() + "";
                }
            }
            for (DataImportItem diitemTmp : lstDataItems) {
                diitemTmp.doImportData();
            }
        } catch (Exception e) {
            log.error("?", e);
            return "?";
        } finally {
            try {
                for (DataImportItem diitemTmp : lstDataItems) {//????
                    diitemTmp.backupOrDeleteDataFile();
                }
            } catch (Exception e) {
                log.error("?", e);
            }
            FileLockTools.unlock(lockfile, lockresource);
        }
        return null;
    }
}