first commit

hrmsEjb/wenrgise/report/excel/ExcelReport.java

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+package wenrgise.report.excel;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Locale;
+import javax.sql.DataSource;
+import jxl.WorkbookSettings;
+import jxl.format.CellFormat;
+import jxl.write.Label;
+import jxl.write.Number;
+import jxl.write.NumberFormats;
+import jxl.write.WritableCell;
+import jxl.write.WritableCellFormat;
+import jxl.write.WritableFont;
+import jxl.write.WritableSheet;
+import wenrgise.common.utility.ServiceLocator;
+
+class ExcelReport {
+  WorkbookSettings ws = null;
+  
+  WritableSheet s = null;
+  
+  public ExcelReport() {
+    this.ws = new WorkbookSettings();
+    this.ws.setLocale(new Locale("en", "EN"));
+  }
+  
+  public WorkbookSettings getWorkBookSetting() {
+    return this.ws;
+  }
+  
+  public void writeDataSheet(WritableSheet s, ArrayList heading, String query) {
+    DataSource oDataSource = null;
+    Statement stmt = null;
+    Connection conn = null;
+    ResultSet results = null;
+    DecimalFormat Currency = new DecimalFormat("0.00");
+    try {
+      oDataSource = (DataSource)ServiceLocator.getLocator().getService("jdbc/conDS");
+      conn = oDataSource.getConnection();
+      stmt = conn.createStatement();
+      results = stmt.executeQuery(query);
+      int rowPos = 0;
+      WritableFont wf = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
+      WritableCellFormat cf = new WritableCellFormat(wf);
+      cf.setWrap(false);
+      int colPos = -1;
+      Iterator itrHeading = heading.iterator();
+      while (itrHeading.hasNext()) {
+        colPos++;
+        Heading oHeading = itrHeading.next();
+        String sHeading = oHeading.getName();
+        s.addCell((WritableCell)new Label(colPos, rowPos, sHeading, (CellFormat)cf));
+      } 
+      wf = new WritableFont(WritableFont.ARIAL, 8, WritableFont.NO_BOLD);
+      while (results.next()) {
+        rowPos++;
+        colPos = -1;
+        Iterator itrHeading1 = heading.iterator();
+        while (itrHeading1.hasNext()) {
+          colPos++;
+          Heading oHeading1 = itrHeading1.next();
+          String sHeading1 = oHeading1.getName();
+          int sType = oHeading1.getType();
+          if (sType == 1) {
+            cf = new WritableCellFormat(wf);
+            cf.setWrap(false);
+            s.addCell((WritableCell)new Label(colPos, rowPos, results.getString(sHeading1), (CellFormat)cf));
+            continue;
+          } 
+          if (sType == 2) {
+            cf = new WritableCellFormat(wf, NumberFormats.FLOAT);
+            cf.setWrap(false);
+            s.addCell((WritableCell)new Number(colPos, rowPos, results.getBigDecimal(sHeading1).floatValue(), (CellFormat)cf));
+          } 
+        } 
+      } 
+    } catch (Exception ex) {
+      ex.printStackTrace();
+    } finally {
+      try {
+        if (stmt != null)
+          stmt.close(); 
+        if (results != null)
+          results.close(); 
+        if (conn != null)
+          conn.close(); 
+      } catch (Exception e) {
+        e.printStackTrace();
+      } 
+    } 
+  }
+}

hrmsEjb/wenrgise/report/excel/ExcelReportServlet.java

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+package wenrgise.report.excel;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.zip.GZIPOutputStream;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import jxl.Workbook;
+import jxl.WorkbookSettings;
+import jxl.write.WritableSheet;
+import jxl.write.WritableWorkbook;
+
+public class ExcelReportServlet extends HttpServlet {
+  private static final String CONTENT_TYPE_EXCEL = "application/vnd.ms-excel";
+  
+  private static final String CONTENT_TYPE_ZIP = "application/zip";
+  
+  public void init(ServletConfig config) throws ServletException {
+    super.init(config);
+  }
+  
+  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    processRequest(request, response);
+  }
+  
+  public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    processRequest(request, response);
+  }
+  
+  private boolean isGzipSupported(HttpServletRequest request) {
+    String encodings = request.getHeader("Accept-Encoding");
+    return (encodings != null && encodings.indexOf("gzip") != -1);
+  }
+  
+  protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    response.setContentType("application/zip");
+    String reportName = request.getParameter("reportname");
+    String inputParam1 = request.getParameter("inputparam1");
+    String inputParam2 = request.getParameter("inputparam2");
+    ServletOutputStream servletOutputStream = response.getOutputStream();
+    GZIPOutputStream gZIPOutputStream = new GZIPOutputStream((OutputStream)servletOutputStream);
+    ExcelReport excelReport = new ExcelReport();
+    WorkbookSettings ws = excelReport.getWorkBookSetting();
+    try {
+      WritableWorkbook workbook = Workbook.createWorkbook(gZIPOutputStream, ws);
+      WritableSheet s = workbook.createSheet(reportName, 0);
+      ExcelReportInformation ex = new ExcelReportInformation(reportName);
+      String query = ex.getReportQuery(inputParam1, inputParam2);
+      ArrayList aHeader = ex.getReportHeader();
+      excelReport.writeDataSheet(s, aHeader, query);
+      workbook.write();
+      workbook.close();
+      gZIPOutputStream.flush();
+    } catch (Exception e) {
+      e.printStackTrace();
+    } 
+  }
+}

hrmsEjb/wenrgise/report/excel/Heading.java

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+package wenrgise.report.excel;
+
+public class Heading {
+  private String sName;
+  
+  private int sType;
+  
+  public Heading(String Name, int Type) {
+    this.sName = Name;
+    this.sType = Type;
+  }
+  
+  public String getName() {
+    return this.sName;
+  }
+  
+  public int getType() {
+    return this.sType;
+  }
+}