Examples of edu.isi.karma.imp.json.JsonImport

edu.isi.karma.imp.json.JsonImport
@author szekely @author mielvandersande

    FileReader r;
    try {
      r = new FileReader(fileName);
      Object o = JSONUtil.createJson(r);
      File f = new File(fileName);
      JsonImport ji = new JsonImport(o, f.getName(), workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (FileNotFoundException e) {
      logger.error("Cannot read file " + fileName + ".");
      e.printStackTrace();
    } catch (JSONException e) {

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    File xmlFile = new File(fileName);
    try {
      String fileContents = FileUtil.readFileContentsToString(xmlFile, "UTF-8");
      // Converting the XML to JSON
      JSONObject json = XML.toJSONObject(fileContents);
      JsonImport ji = new JsonImport(json, fileName, workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (FileNotFoundException e) {
      logger.error("Cannot read file " + fileName + ".");
      e.printStackTrace();
    } catch (JSONException e) {

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  public static Worksheet createWorksheetFromJsonString(String name,
      String jsonString, Workspace workspace) {
    try {
      Object o = JSONUtil.createJson(jsonString);
      JSONUtil.writeJsonFile(o, name + ".json");
      JsonImport ji = new JsonImport(o, name, workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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  }


  public static Worksheet createSampleJson(Workspace workspace, int numRows) {
    try {
      Object o = JSONUtil.createJson(getSampleJsonString(numRows));
      JsonImport ji = new JsonImport(o, "Sample JSON", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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          .value("there is a tab between \"x\" and \"y\": x\ty")
          .key("newlines").value("there sho\nuld be a newline")
          .key("HTML").value(html).key("URL").value("http://cnn.com")
          .endObject();


      JsonImport ji = new JsonImport(x.toString(),
          "Funny Characters", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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      topA.object().key("a").value("a_2").endObject();


      topA.endArray();


      JsonImport ji = new JsonImport(x.toString(),
          "Empty Nested Table 1", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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      topA.object().key("a").value("a_2").endObject();


      topA.endArray();


      JsonImport ji = new JsonImport(x.toString(),
          "Empty Nested Table 2", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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      topA.object().key("b").array().endArray().endObject();


      topA.endArray();


      JsonImport ji = new JsonImport(x.toString(),
          "Empty Nested Table 3", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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      topA.object().key("a").value("a_2").endObject();


      topA.endArray();


      JsonImport ji = new JsonImport(x.toString(),
          "Empty Nested Table 4", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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          //
          .endArray().endObject();


      topA.endArray();


      JsonImport ji = new JsonImport(x.toString(),
          "Nested Table 1", workspace, "UTF-8", -1);
      Worksheet w = ji.generateWorksheet();
      return w;
    } catch (JSONException e) {
      e.printStackTrace();
      return null;
    }

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