/**
* dataset => bean
*
* @param dataset
* @param klass Java Beans Class
* @return BaseBean
* @throws Exception
*/
public BaseBean datasetToBean(Dataset dataset, Class klass) throws Exception {
Map<String, String> beansPropertyNameMap = beansPropertyNameTable.get(klass.getName());
Object[] columnNameArray = beansPropertyNameMap.keySet().toArray();
BaseBean bean = (BaseBean) klass.newInstance();
if (dataset.getDeleteRowCount() == 1) {
bean.setStatus("delete");
} else {
bean.setStatus(dataset.getRowStatus(0));
}
Variant columnValue = null;
for (Object columnName : columnNameArray) {
if (dataset.getDeleteRowCount() == 1) {
columnValue = dataset.getDeleteColumn(0, (String) columnName);
} else {
columnValue = dataset.getColumn(0, (String) columnName);
}
if (columnValue != null) {
callSetterMethod(bean, beansPropertyNameMap.get(columnName), columnValue);
}
}
return bean;
}
/**
* dataset => beanList
*
* @param dataset
* @param klass Java Beans Class
* @return ArrayList<BaseBean>
* @throws Exception
*/
public List<BaseBean> datasetToBeans(Dataset dataset, Class klass) throws Exception {
// 반복문 내에서 사용될 변수 선언 및 초기화
BaseBean bean = null;
Variant columnValue = null;
List<BaseBean> beanList = new ArrayList<BaseBean>();
// Bean 클래스명을 키값으로 입력하여 Bean 멤버변수명을 값으로 갖는 HashMap<'dataset 컬럼명', 'bean 멤버변수명'>을 호출
Map<String, String> beansPropertyNameMap = beansPropertyNameTable.get(klass.getName());
// 위 HashMap에서 KeySet인 dataset 컬럼명을 String 배열로 추출
Object[] columnNameArray = beansPropertyNameMap.keySet().toArray();
// dataset의 레코드 수만큼 bean을 생성
int rowCount = dataset.getRowCount();
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
// Bean 객체를 생성하고 insert 또는 update 상태값을 저장
bean = (BaseBean) klass.newInstance();
bean.setStatus(dataset.getRowStatus(rowIndex));
// dataset 컬럼명에 해당하는 Bean setter 메소드를 모두 호출하여 값을 저장
for (Object columnName : columnNameArray) {
// dataset 컬럼값을 호출
columnValue = dataset.getColumn(rowIndex, (String) columnName);
if (columnValue != null) {
// setter 메소드를 호출하여 값 저장
callSetterMethod(bean, beansPropertyNameMap.get(columnName), columnValue);
}
}
beanList.add(bean);
}
// status가 delete인 레코드를 bean으로 변환. deleteColumn을 얻어온다는 것만 다름
rowCount = dataset.getDeleteRowCount();
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
bean = (BaseBean) klass.newInstance();
bean.setStatus("delete");
for (Object columnName : columnNameArray) {
columnValue = dataset.getDeleteColumn(rowIndex, (String) columnName);
if (columnValue != null) {
callSetterMethod(bean, beansPropertyNameMap.get(columnName), columnValue);
}
}
beanList.add(bean);
}
return beanList;
}
/**
* getter 메소드를 생성하여 호출하고 값을 리턴
*
* @param bean
* @param beansPropertyName
* @return
* @throws Exception
*/
private Object callGetterMethod(BaseBean bean, String beansPropertyName) throws Exception {
// bean.getClass().getDeclaredMethods()[0].getReturnType()
return bean.getClass()
.getMethod(getMethodName("get", beansPropertyName), new Class[0])
.invoke(bean, new Object[0]);
}
/**
* setter 메소드를 생성하여 호출
*
* @param bean
* @param beansPropertyName
* @param columnValue
* @throws Exception
*/
private void callSetterMethod(BaseBean bean, String beansPropertyName, Variant columnValue)
throws Exception {
// Class.getMethod('메소드명', '메소드에 넘겨줄 파라미터 타입들').invoke('실제 메소드를 호출할 인스턴스', '메소드에 넘겨줄 파라미터 값들');
bean.getClass()
.getMethod(getMethodName("set", beansPropertyName), String.class)
.invoke(bean, columnValue.getString());
}
/**
* bean => dataset
*
* @param datasetList
* @param bean
* @param datasetName
* @throws Exception
*/
public void beanToDataset(DatasetList datasetList, String datasetName, BaseBean bean)
throws Exception {
Dataset dataset = new Dataset(datasetName, PlatformResponse.CHARSET_EUC_KR, false, false);
datasetList.addDataset(dataset);
Map<String, String> datasetColumnNameMap =
datasetColumnNameTable.get(bean.getClass().getName());
Object[] beanPropertyNameArray = datasetColumnNameMap.keySet().toArray();
for (Object beanPropertyName : beanPropertyNameArray) {
dataset.addStringColumn(datasetColumnNameMap.get(beanPropertyName));
}
Variant value = null;
int rowIndex = dataset.appendRow();
for (Object beanPropertyName : beanPropertyNameArray) {
value = new Variant(callGetterMethod(bean, (String) beanPropertyName));
dataset.setColumn(rowIndex, datasetColumnNameMap.get(beanPropertyName), value);
}
}