package frame.file.office;
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import java.io.Console;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.codec.net.URLCodec;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.sun.corba.se.impl.protocol.JIDLLocalCRDImpl;
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import frame.call.writer.JsonWriter;
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import frame.data.DataContext;
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import frame.file.FileIOContainer;
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import frame.file.UploadResult;
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import frame.file.office.excel.DownloadResult;
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import frame.file.office.excel.ExcelLoader;
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import frame.file.office.excel.ExcelWriter;
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import frame.file.processor.Monitor;
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import frame.util.Util;
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public class Engine {
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private static Engine instance;
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private static Object locker = new Object();
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private Logger logger;
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private ExcelLoader excelLoader;
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private Engine() {
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logger = LoggerFactory.getLogger(this.getClass());
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excelLoader = new ExcelLoader(logger);
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}
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public static Engine getInstance() {
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synchronized (locker) {
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if (instance == null) {
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instance = new Engine();
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}
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return instance;
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}
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}
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public static void download(HttpServletResponse response, String iocode, DataContext dataContext, Map<String, String> parameterProvider) throws IOException {
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getInstance();
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StringBuilder log = new StringBuilder();
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try {
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FileIOContainer.load();
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// ExcelWriter excelWriter = new ExcelWriter(Monitor.getDownloadProgressor(), parameterProvider);
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ExcelWriter excelWriter = new ExcelWriter(Monitor.getDownloadProgressor());
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DownloadResult result = excelWriter.writeOneFile(iocode, dataContext);
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String filename = result.getFilename();
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response.addHeader("Content-Type", "application/octet-stream");
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filename = URLEncoder.encode(filename, "utf-8");
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response.addHeader("Content-Disposition", "attachment;filename=" + filename);
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ServletOutputStream outputStream = response.getOutputStream();
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String path = result.getPath();
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File file = new File(path);
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// outputStream.write(b)
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// response.TransmitFile(result.getPath());
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}
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catch (Exception e) {
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JsonWriter json = new JsonWriter();
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json.beginObject();
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json.addValue("log", log.toString());
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json.addValue("error", e.getMessage());
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json.beginArray("detail");
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List<String> details = Monitor.getDownloadProgressor().getMessageList();
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for (int i = 0; i < details.size(); i++) {
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json.addValue(details.get(i));
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}
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json.endArray();
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json.endObject();
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PrintWriter writer = response.getWriter();
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writer.write(json.toString());
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}
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}
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public static UploadResult upload(String iocode, FileInfo file, HttpServletRequest request) {
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UploadResult result = new UploadResult(request);
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result.writeBegin();
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try {
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getInstance();
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FileIOContainer.load();
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instance.excelLoader.loadOneFile(result, iocode, file);
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}
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catch (Exception e){
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result.fail("error", e.getMessage());
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}
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finally {
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result.writeEnd();
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}
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return result;
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}
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public static UploadResult testDataProcess(String iocode, HttpServletRequest request) {
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UploadResult result = new UploadResult(request);
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result.writeBegin();
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try {
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getInstance();
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instance.excelLoader.testDataProcess(result, iocode);
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}
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catch (Exception e){
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result.fail("error", e.getMessage());
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}
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finally {
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result.writeEnd();
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}
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return result;
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}
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private void showHelloMessage() {
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logger.info("Excel导入服务器 V1.0已启动");
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}
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}
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