Android Open Source - Campaign-Manager-Code-Sample Graph Entity

From Project

Back to project page Campaign-Manager-Code-Sample.

License

The source code is released under:

Apache License

If you think the Android project Campaign-Manager-Code-Sample listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.microsoft.campaignmanager.datasource;
//  w  ww  .  ja va  2  s. c  om
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * The Class GraphEntity.
 */
public abstract class GraphEntity {

  /** The m json data. */
  private JSONObject mJsonData;

  /**
   * Gets the json data.
   * 
   * @return the json data
   */
  protected JSONObject getJsonData() {
    return mJsonData;
  }

  /**
   * List from json.
   * 
   * @param <E>
   *            the element type
   * @param json
   *            the json
   * @param clazz
   *            the clazz
   * @return the list
   * @throws JSONException
   *             the JSON exception
   */
  protected static <E extends GraphEntity> List<E> listFromJson(JSONObject json,
      Class<E> clazz) throws JSONException {
    List<E> list = new ArrayList<E>();

    JSONArray results = null;
    if (json.has("d")) {
      results = json.getJSONObject("d").getJSONArray("results");
    } else {
      results = json.getJSONArray("results");
    }

    for (int i = 0; i < results.length(); i++) {
      JSONObject result = results.getJSONObject(i);

      E item = null;
      try {
        item = (E) clazz.newInstance();
      } catch (Throwable e) {
      }

      if (item != null) {
        item.loadFromJson(result);
        list.add(item);
      }
    }

    return list;
  }

  /**
   * Load from json.
   * 
   * @param json
   *            the json
   */
  public void loadFromJson(JSONObject json) {
    mJsonData = json;
  }

  /**
   * Load from json.
   * 
   * @param json
   *            the json
   * @param isPlainItem
   *            the is plain item
   */
  public void loadFromJson(JSONObject json, boolean isPlainItem) {
    if (isPlainItem) {
      loadFromJson(json);
    } else {
      JSONObject innerJson;
      try {
        innerJson = json.getJSONObject("d");
        loadFromJson(innerJson);
      } catch (JSONException e) {
        throw new IllegalArgumentException("Expected 'd' element", e);
      }
    }
  }

  /**
   * Gets the data.
   * 
   * @param field
   *            the field
   * @return the data
   */
  public Object getData(String field) {
    try {
      JSONObject innerJson = null;
      if (mJsonData.has("d")) {
        innerJson = mJsonData.getJSONObject("d");
        return innerJson.get(field);
      } else {
        return mJsonData.get(field);
      }
    } catch (JSONException e) {
      throw new IllegalArgumentException("Invalid field name " + field, e);
    }
  }

  @Override
  public String toString() {
    if (mJsonData != null) {
      return mJsonData.toString();
    }
    return super.toString();
  }
}

Java Source Code List