/**
  * Checks if the parameter name is suitable for the current expression context.
  *
  * @param parameter the parameter to validate
  */
 @Check
 public void checkParameterName(JRParameterObj parameter) {
   ExpressionContext currExpContext =
       ExpressionEditorSupportUtil.safeGetCurrentExpressionContext();
   List<JRParameter> allParameters =
       ExpressionContextUtils.getAllDatasetsParameters(currExpContext);
   for (JRParameter p : allParameters) {
     if (("{" + p.getName() + "}").equals(parameter.getBracedIdentifier()))
       return; //$NON-NLS-1$ //$NON-NLS-2$
   }
   List<JRParameter> allCrosstabsParameters =
       ExpressionContextUtils.getAllCrosstabsParameters(currExpContext);
   for (JRParameter p : allCrosstabsParameters) {
     if (("{" + p.getName() + "}").equals(parameter.getBracedIdentifier()))
       return; //$NON-NLS-1$ //$NON-NLS-2$
   }
   error(
       Messages.JavaJRExpressionJavaValidator_ParameterNotFoundInContextError,
       parameter,
       JavaJRExpressionPackage.Literals.JR_PARAMETER_OBJ__BRACED_IDENTIFIER,
       JavaJRExpressionPackage.JR_PARAMETER_OBJ__BRACED_IDENTIFIER);
 }
Exemplo n.º 2
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  protected JRBaseParameter(JRParameter parameter, JRBaseObjectFactory factory) {
    factory.put(parameter, this);

    name = parameter.getName();
    description = parameter.getDescription();
    valueClassName = parameter.getValueClassName();
    nestedTypeName = parameter.getNestedTypeName();
    isSystemDefined = parameter.isSystemDefined();
    isForPrompting = parameter.isForPrompting();

    defaultValueExpression = factory.getExpression(parameter.getDefaultValueExpression());

    propertiesMap = parameter.getPropertiesMap().cloneProperties();
  }
Exemplo n.º 3
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  public Map<String, Object> getJasperReportParameters() {
    Map<String, Object> jasperReportParameters = Maps.newHashMap();
    try {
      HttpServletRequest request = ServletActionContext.getRequest();
      String reportId = request.getParameter("report");
      File targetJasperFile = getTargetJasperFile(reportId);
      JasperReport jasperReport = (JasperReport) JRLoader.loadObject(targetJasperFile);

      // 根据模板定义转换处理传入参数类型
      JRParameter[] params = jasperReport.getParameters();
      for (Map.Entry<String, Object> val : reportParameters.entrySet()) {
        String key = val.getKey();

        if (val.getValue() == null) {
          continue;
        }
        String[] vals = (String[]) val.getValue();
        for (JRParameter param : params) {
          if (!param.isSystemDefined() && param.isForPrompting()) {
            String name = param.getName();
            Class<?> clazz = param.getValueClass();
            if (!name.equals(key)) {
              continue;
            }
            // TODO: 先初步添加集合处理,后续逐步添加数字、日期等类型转换处理
            if (Collection.class.isAssignableFrom(clazz)) {
              // 集合类型参数处理,TODO: 可以考虑进一步添加param.getNestedType()处理
              jasperReportParameters.put(key, vals);
            } else {
              // 其余情况把参数转换为普通字符串传入
              jasperReportParameters.put(val.getKey(), StringUtils.join(vals, ","));
            }
          }
        }
      }

      // 设置一些缺省属性供模板内部使用
      jasperReportParameters.put("_RPT_ID", reportId);
      jasperReportParameters.put("_RPT_FORMAT", this.getFormat());
      String url = request.getRequestURL().toString();
      logger.debug("Report URL: " + url);
      jasperReportParameters.put("_RPT_URL", url);
    } catch (Exception e) {
      logger.error(e.getMessage(), e);
      throw new WebException(e.getMessage(), e);
    }
    return jasperReportParameters;
  }
Exemplo n.º 4
0
  public JRField[] getFields(IReportConnection irConn, JRDataset reportDataset, Map parameters)
      throws JRException, UnsupportedOperationException {

    if (irConn == null || !irConn.isJDBCConnection()) {
      throw new JRException(
          "The active connection is not of type JDBC. Activate a JDBC connection first.");
    }

    String query = reportDataset.getQuery().getText();
    String error_msg = "";
    Connection con = null;
    PreparedStatement ps = null;

    try {
      // look for parameters in the query and replace them with default values.
      // parameters look something like
      // $P{QuoteGroupID}
      // or
      // $P!{OrderByClause}
      java.util.List queryParams = new ArrayList();
      JRParameter[] jrParams = reportDataset.getParameters();
      for (int k = 0; k < jrParams.length; ++k) {
        JRParameter parameter = jrParams[k];

        String p1 = "$P{" + parameter.getName() + "}";
        String p2 = "$P!{" + parameter.getName() + "}";

        Object defValue = parameters.get(parameter.getName());

        int ip1 = query.indexOf(p1);
        while (ip1 != -1) {
          // add a query parameter
          if (defValue == null) {
            throw new IllegalArgumentException(
                "Please set a " + "default value for the parameter '" + parameter.getName() + "'");
          }

          String before = query.substring(0, ip1);
          String after = query.substring(ip1 + p1.length());
          query = before + " ? " + after;
          queryParams.add(defValue);
          ip1 = query.indexOf(p1);
        }

        int ip2 = query.indexOf(p2);
        while (ip2 != -1) {
          // String replacement, Altering the SQL statement.
          if (defValue == null) {
            throw new IllegalArgumentException(
                "Please set a " + "default value for the parameter '" + parameter.getName() + "'");
          }

          String before = query.substring(0, ip2);
          String after = query.substring(ip2 + p2.length());
          query = before + "" + defValue.toString() + "" + after;
          ip2 = query.indexOf(p2);
        }
      }

      con = irConn.getConnection();

      ps = con.prepareStatement(query);
      //                for(int pc=0; pc<queryParams.size(); pc++ ) {
      //                    ps.setObject(pc+1, queryParams.get(pc) );
      //                }

      for (int pc = 0; pc < queryParams.size(); pc++) {
        Class parameterType = queryParams.get(pc).getClass();

        if (java.lang.Boolean.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.BIT);
          } else {
            ps.setBoolean(pc + 1, ((Boolean) queryParams.get(pc)).booleanValue());
          }
        } else if (java.lang.Byte.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.TINYINT);
          } else {
            ps.setByte(pc + 1, ((Byte) queryParams.get(pc)).byteValue());
          }
        } else if (java.lang.Double.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.DOUBLE);
          } else {
            ps.setDouble(pc + 1, ((Double) queryParams.get(pc)).doubleValue());
          }
        } else if (java.lang.Float.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.FLOAT);
          } else {
            ps.setFloat(pc + 1, ((Float) queryParams.get(pc)).floatValue());
          }
        } else if (java.lang.Integer.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.INTEGER);
          } else {
            ps.setInt(pc + 1, ((Integer) queryParams.get(pc)).intValue());
          }
        } else if (java.lang.Long.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.BIGINT);
          } else {
            ps.setLong(pc + 1, ((Long) queryParams.get(pc)).longValue());
          }
        } else if (java.lang.Short.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.SMALLINT);
          } else {
            ps.setShort(pc + 1, ((Short) queryParams.get(pc)).shortValue());
          }
        } else if (java.math.BigDecimal.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.DECIMAL);
          } else {
            ps.setBigDecimal(pc + 1, (BigDecimal) queryParams.get(pc));
          }
        } else if (java.lang.String.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.VARCHAR);
          } else {
            ps.setString(pc + 1, queryParams.get(pc).toString());
          }
        } else if (java.sql.Timestamp.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.TIMESTAMP);
          } else {
            ps.setTimestamp(pc + 1, (java.sql.Timestamp) queryParams.get(pc));
          }
        } else if (java.sql.Time.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.TIME);
          } else {
            ps.setTime(pc + 1, (java.sql.Time) queryParams.get(pc));
          }
        } else if (java.util.Date.class.isAssignableFrom(parameterType)) {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.DATE);
          } else {
            ps.setDate(pc + 1, new java.sql.Date(((java.util.Date) queryParams.get(pc)).getTime()));
          }
        } else {
          if (queryParams.get(pc) == null) {
            ps.setNull(pc + 1, Types.JAVA_OBJECT);
          } else {
            ps.setObject(pc + 1, queryParams.get(pc));
          }
        }
      }

      // Some JDBC drivers don't supports this method...
      try {
        ps.setFetchSize(0);
      } catch (Exception e) {
      }

      ResultSet rs = ps.executeQuery();

      // if (in < num) return;

      ResultSetMetaData rsmd = rs.getMetaData();

      // if (in < num) return;

      List columns = new ArrayList();
      for (int i = 1; i <= rsmd.getColumnCount(); ++i) {
        JRDesignField field = new JRDesignField();
        field.setName(rsmd.getColumnLabel(i));
        field.setValueClassName(Misc.getJdbcTypeClass(rsmd, i));
        field.setDescription("");
        columns.add(field);
      }

      JRField[] final_fields = new JRField[columns.size()];
      for (int i = 0; i < final_fields.length; ++i) {
        final_fields[i] = (JRField) columns.get(i);
      }

      return final_fields;

    } catch (IllegalArgumentException ie) {
      throw new JRException(ie.getMessage());
    } catch (NoClassDefFoundError ex) {
      ex.printStackTrace();
      error_msg = "NoClassDefFoundError!!\nCheck your classpath!";
      throw new JRException(error_msg);
    } catch (java.sql.SQLException ex) {
      error_msg = "SQL problems:\n" + ex.getMessage();
      throw new JRException(error_msg);
    } catch (Exception ex) {
      ex.printStackTrace();
      error_msg =
          "General problem:\n"
              + ex.getMessage()
              + "\n\nCheck username and password; is the DBMS active ?!";
      throw new JRException(error_msg);
    } catch (Throwable t) {
      throw new JRException(t.getMessage());
    } finally {
      if (ps != null)
        try {
          ps.close();
        } catch (Exception e) {
        }
      if (con != null)
        try {
          con.close();
        } catch (Exception e) {
        }
    }
  }