基于okHttp的简易Android 下载组件.zip

package com.kiplening.basecore.db.manager; import android.content.Context; import android.text.TextUtils; import com.j256.ormlite.android.apptools.OpenHelperManager; import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper; import com.j256.ormlite.dao.Dao; import com.j256.ormlite.stmt.DeleteBuilder; import com.j256.ormlite.stmt.QueryBuilder; import com.j256.ormlite.stmt.UpdateBuilder; import com.kiplening.basecore.db.model.BaseModel; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; /** * Created by hongchao5 on 2017/9/19. */ public class BaseModelManager { public static String currentUser; private static BaseModelManager baseModelManager = null; protected BaseModelManager() { } public static BaseModelManager getInstance() { if (baseModelManager == null) { baseModelManager = new BaseModelManager(); } return baseModelManager; } /** * * @param clazz * @param context * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @return */ @SuppressWarnings({ "rawtypes", "unchecked" }) protected <T extends BaseModel> Dao<T, String> getDao(Class<T> clazz, Context context, Class dbHelperClass) { Dao<T, String> baseModelDao = null; OrmLiteSqliteOpenHelper dbOpenHelper = OpenHelperManager.getHelper( context, dbHelperClass); try { baseModelDao = dbOpenHelper.getDao(clazz); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return baseModelDao; } /** * * 保存 or 更新BaseModel * * @param clazz <T> * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @param context * @param <T> */ @SuppressWarnings("rawtypes") public <T extends BaseModel> void saveOrUpdateModel(Class<T> clazz, Context context, T model, Class dbHelperClass) { try { Dao<T, String> baseModelDao = getDao(clazz, context, dbHelperClass); model.setCurrentUser(currentUser); if (baseModelDao.idExists(model.getId())) { baseModelDao.update(model); } else { baseModelDao.create(model); } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } /** * * @param clazz <T> * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @param context * @param nPage * 第几页 * @param nModelCountOfPerPage * 每页多少条数 * @param attributeName * 属性名称 * @param attribute * 属性 * @param columnName * 排序的字段名称 * @param ascending * 是否升序 * @return */ @SuppressWarnings({ "rawtypes", "deprecation" }) public <T extends BaseModel> List<T> getPageModelsByAttribute(Class<T> clazz, Class dbHelperClass, Context context, int nPage, int nModelCountOfPerPage, String attributeName, String attribute, String columnName, boolean ascending) { List<T> list = new ArrayList<T>(); try { Dao<T, String> baseModelDao = getDao(clazz, context,dbHelperClass); QueryBuilder<T, String> builder = baseModelDao.queryBuilder(); long count = baseModelDao.countOf() - nPage * nModelCountOfPerPage; if (count > 0) { count = count > nModelCountOfPerPage ? nModelCountOfPerPage : count; builder.orderBy(columnName, ascending) .offset((long) (nPage * nModelCountOfPerPage)).limit(count) .where().eq(attributeName, attribute).and() .eq("currentUser", currentUser); list = baseModelDao.query(builder.prepare()); } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return list; } /** * * @param clazz <T> * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @param context * @param nPage * 第几页 * @param nModelCountOfPerPage * 每页多少条数 * @param columnName * 排序的字段名称 * @param ascending * 是否升序 * @return */ @SuppressWarnings({ "rawtypes", "deprecation" }) public <T extends BaseModel> List<T> getPageModels(Class<T> clazz, Class dbHelperClass, Context context, int nPage, int nModelCountOfPerPage,String columnName, boolean ascending) { List<T> list = new ArrayList<T>(); try { Dao<T, String> baseModelDao = getDao(clazz, context,dbHelperClass); QueryBuilder<T, String> builder = baseModelDao.queryBuilder(); long count = baseModelDao.countOf() - nPage * nModelCountOfPerPage; if (count > 0) { count = count > nModelCountOfPerPage ? nModelCountOfPerPage : count; builder.orderBy(columnName, ascending) .offset((long) (nPage * nModelCountOfPerPage)).limit(count) .where().eq("currentUser", currentUser); list = baseModelDao.query(builder.prepare()); } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return list; } /** * 获取当前账户下所有对象 * * @param clazz <T> * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @param context * @return */ @SuppressWarnings("rawtypes") public <T extends BaseModel> List<T> getAllModels(Class<T> clazz,Class dbHelperClass ,Context context) { List<T> list = new ArrayList<T>(); try { Dao<T, String> baseModelDao = getDao(clazz, context,dbHelperClass); QueryBuilder<T, String> builder = baseModelDao.queryBuilder(); builder.where().eq("currentUser", currentUser); list = baseModelDao.query(builder.prepare()); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return list; } /** * 查找model * * @param clazz <T> * @param dbHelperClass 数据帮助类，继承自OrmLiteSqliteOpenHelper * @param context * @param id * @return */ @SuppressWarnings("rawtypes") public <T extends BaseModel> T getModelById(Class<T> clazz,Class dbHelperClass, Context context, String id) { if (TextUtils.isEmpty(id)) { return null; } T model = null; try { Dao<T, String> baseModelDao = getDao(clazz, context,dbHelperClass); model = baseModelDao.queryForId(id); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Except