content: /*
   * Copyright (c) 2013. wyouflf (wyouflf@gmail.com)
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.rsen.db.table;
  
  import android.database.Cursor;
  
  import com.rsen.db.LogUtil;
  import com.rsen.db.annotation.Column;
  import com.rsen.db.converter.ColumnConverter;
  import com.rsen.db.converter.ColumnConverterFactory;
  import com.rsen.db.sqlite.ColumnDbType;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  
  public final class ColumnEntity {
  
      protected final String name;
      private final String property;
      private final boolean isId;
      private final boolean isAutoId;
  
      protected final Method getMethod;
      protected final Method setMethod;
  
      protected final Field columnField;
      protected final ColumnConverter columnConverter;
  
      /* package */ ColumnEntity(Class<?> entityType, Field field, Column column) {
          field.setAccessible(true);
  
          this.columnField = field;
          this.name = column.name();
          this.property = column.property();
          this.isId = column.isId();
  
          Class<?> fieldType = field.getType();
          this.isAutoId = this.isId && column.autoGen() && ColumnUtils.isAutoIdType(fieldType);
          this.columnConverter = ColumnConverterFactory.getColumnConverter(fieldType);
  
  
          this.getMethod = ColumnUtils.findGetMethod(entityType, field);
          if (this.getMethod != null && !this.getMethod.isAccessible()) {
              this.getMethod.setAccessible(true);
          }
          this.setMethod = ColumnUtils.findSetMethod(entityType, field);
          if (this.setMethod != null && !this.setMethod.isAccessible()) {
              this.setMethod.setAccessible(true);
          }
      }
  
      public void setValueFromCursor(Object entity, Cursor cursor, int index) {
          Object value = columnConverter.getFieldValue(cursor, index);
          if (value == null) return;
  
          if (setMethod != null) {
              try {
                  setMethod.invoke(entity, value);
              } catch (Throwable e) {
                  LogUtil.e(e.getMessage(), e);
              }
          } else {
              try {
                  this.columnField.set(entity, value);
              } catch (Throwable e) {
                  LogUtil.e(e.getMessage(), e);
              }
          }
      }
  
      @SuppressWarnings("unchecked")
      public Object getColumnValue(Object entity) {
          Object fieldValue = getFieldValue(entity);
          if (this.isAutoId && (fieldValue.equals(0L) || fieldValue.equals(0))) {
              return null;
          }
          return columnConverter.fieldValue2DbValue(fieldValue);
      }
  
      public void setAutoIdValue(Object entity, long value) {
          Object idValue = value;
          if (ColumnUtils.isInteger(columnField.getType())) {
              idValue = (int) value;
          }
  
          if (setMethod != null) {
              try {
                  setMethod.invoke(entity, idValue);
              } catch (Throwable e) {
                  LogUtil.e(e.getMessage(), e);
              }
          } else {
              try {
                  this.columnField.set(entity, idValue);
              } catch (Throwable e) {
                  LogUtil.e(e.getMessage(), e);
              }
          }
      }
  
      public Object getFieldValue(Object entity) {
          Object fieldValue = null;
          if (entity != null) {
              if (getMethod != null) {
                  try {
                      fieldValue = getMethod.invoke(entity);
                  } catch (Throwable e) {
                      LogUtil.e(e.getMessage(), e);
                  }
              } else {
                  try {
                      fieldValue = this.columnField.get(entity);
                  } catch (Throwable e) {
                      LogUtil.e(e.getMessage(), e);
                  }
              }
          }
          return fieldValue;
      }
  
      public String getName() {
          return name;
      }
  
      public String getProperty() {
          return property;
      }
  
      public boolean isId() {
          return isId;
      }
  
      public boolean isAutoId() {
          return isAutoId;
      }
  
      public Field getColumnField() {
          return columnField;
      }
  
      public ColumnConverter getColumnConverter() {
          return columnConverter;
      }
  
      public ColumnDbType getColumnDbType() {
          return columnConverter.getColumnDbType();
      }
  
      @Override
      public String toString() {
          return name;
      }
  }
  