/** 序列化多个dataset */
public String[] serialize(Dataset[] dss) {
if (dss != null && dss.length > 0) {
String[] rss = new String[dss.length];
for (int i = 0; i < dss.length; i++) {
Dataset ds = dss[i];
// 做数据校正，将“编码树”结构改造成为“PK树”，此改造在本页面会话中只进行一次
if (ds.getExtendAttribute(Dataset.CODE_LEVEL_CLAZZ) != null) {
ICodeRuleDsUtil dsUtil =
(ICodeRuleDsUtil)
LfwClassUtil.newInstance(
(String) ds.getExtendAttributeValue(Dataset.CODE_LEVEL_CLAZZ));
String codeRule = (String) ds.getExtendAttributeValue(Dataset.CODE_LEVEL_RULE);
String codeField = (String) ds.getExtendAttributeValue(Dataset.CODE_LEVEL_CODEFIELD);
String codePk = (String) ds.getExtendAttributeValue(Dataset.CODE_LEVEL_PK);
String codePPk = (String) ds.getExtendAttributeValue(Dataset.CODE_LEVEL_PPK);
int codeIndex = ds.getFieldSet().nameToIndex(codeField);
int pkIndex = ds.getFieldSet().nameToIndex(codePk);
int ppkIndex = ds.getFieldSet().nameToIndex(codePPk);
dsUtil.buildCodeRuleDataset(ds, codeRule, codeIndex, pkIndex, ppkIndex);
}
// 处理字段关联
processFieldRelation(ds);
processFormular(ds);
StringBuffer xmlSb = new StringBuffer(BUFFER_SIZE);
xmlSb.append(
"<dataset id=\""
+ ds.getId()
+ "\" focusIndex=\""
+ ds.getFocusIndex()
+ "\" currentkey=\""
+ (ds.getCurrentKey() == null ? EventContextConstant.NULL : ds.getCurrentKey())
+ "\" editable=\""
+ ds.isEnabled()
+ "\" randomRowIndex=\""
+ ds.getRandomRowIndex()
+ "\">\n");
xmlSb.append(" <" + EventContextConstant.res_parameters + ">\n");
ParameterSet resParamSet = ds.getResParameters();
int count = resParamSet.size();
for (int j = 0; j < count; j++) {
Parameter param = resParamSet.getParameter(j);
String name = param.getName();
String value = param.getValue();
xmlSb.append(" <" + EventContextConstant.parameter + " name=\"" + name + "\">");
xmlSb
.append(value == null ? "" : value)
.append("</" + EventContextConstant.parameter + ">\n");
}
xmlSb.append(" </" + EventContextConstant.res_parameters + ">\n");
xmlSb.append(" <rowsets>\n");
RowSet[] rowsets = ds.getRowSets();
for (int j = 0; j < rowsets.length; j++) {
RowSet rowSet = rowsets[j];
int pagecount = rowSet.getPaginationInfo().getPageCount();
int pagesize = rowSet.getPaginationInfo().getPageSize();
int recordscount = rowSet.getPaginationInfo().getRecordsCount();
int pageindex = rowSet.getPaginationInfo().getPageIndex();
xmlSb
.append(" <rowset pagecount=\"")
.append(pagecount)
.append("\" pagesize=\"")
.append(pagesize)
.append("\" recordcount=\"")
.append(recordscount)
.append("\" pageindex=\"")
.append(pageindex)
.append("\" keyvalue=\"")
.append(rowSet.getKeyvalue())
.append("\"");
if (rowSet.getOldKeyValue() != null) {
xmlSb.append(" oldkeyvalue=\"").append(rowSet.getOldKeyValue()).append("\"");
}
xmlSb.append(">\n");
RowData[] rds = rowSet.getRowDatas();
for (int k = 0; k < rds.length; k++) {
RowData rdata = rds[k];
if (rdata.isRowDataChanged()) {
xmlSb.append(
" <"
+ EventContextConstant.records
+ " pageindex=\""
+ rdata.getPageindex()
+ "\" changed=\""
+ rdata.isRowDataSelfChanged()
+ "\">\n");
Integer[] indices = rdata.getSelectIndices();
if (indices != null && indices.length > 0) {
xmlSb.append("<selected>");
for (int l = 0; l < indices.length; l++) {
xmlSb.append(indices[l]);
if (l != indices.length - 1) {
xmlSb.append(",");
}
}
xmlSb.append("</selected>\n");
}
processRecord(xmlSb, rdata);
xmlSb.append("</" + EventContextConstant.records + ">\n");
}
}
xmlSb.append(" </rowset>\n");
}
xmlSb.append(" </rowsets>\n");
xmlSb.append("</dataset>\n");
rss[i] = xmlSb.toString();
}
return rss;
}
return null;
}
private String aggregateSql(Dataset ds, FieldRelation rel) {
if (ds.getCurrentKey() == null) return null;
Dataset refDs = ds.getWidget().getViewModels().getDataset(rel.getRefDataset());
if (refDs == null) {
Logger.error("ref ds can not be fount:" + rel.getRefDataset());
return null;
}
if (rel.getWhereField() == null) return null;
MatchField[] mfs = rel.getMatchFields();
WhereField where = rel.getWhereField();
StringBuffer sql = new StringBuffer();
sql.append("select ");
for (int i = 0; i < mfs.length; i++) {
Field f = refDs.getFieldSet().getField(mfs[i].getReadField());
if (f == null)
throw new LfwRuntimeException(
"can not find field in ds:"
+ rel.getRefDataset()
+ ",field:"
+ mfs[i].getReadField()
+ ", in fieldrelation process");
sql.append("a.").append(f.getField());
if (i != mfs.length - 1) sql.append(",");
}
sql.append(",a.").append(refDs.getFieldSet().getField(where.getKey()).getField());
sql.append(" from ");
sql.append(getRefTableName(refDs));
sql.append(" a where a.")
.append(refDs.getFieldSet().getField(where.getKey()).getField())
.append(" in (");
RowData rowSet = ds.getCurrentRowSet().getCurrentRowData();
Set<String> inSet = new HashSet<String>();
if (rowSet != null) {
Row[] rows = rowSet.getRows();
int whereIndex = ds.nameToIndex(where.getValue());
if (whereIndex == -1) return null;
for (int i = 0; i < rows.length; i++) {
if (rows[i] instanceof EmptyRow) continue;
Object wValue = rows[i].getValue(whereIndex);
String wValueStr = "";
if (wValue != null) {
wValueStr = wValue.toString();
String[] strs = wValueStr.split(",");
for (int j = 0; j < strs.length; j++) {
inSet.add(strs[j]);
}
}
}
}
if (inSet.size() == 0) return null;
Iterator<String> it = inSet.iterator();
while (it.hasNext()) {
String value = it.next();
sql.append("'");
sql.append(value);
sql.append("'");
if (it.hasNext()) sql.append(",");
}
sql.append(")");
return sql.toString();
}
/**
* 根据状态转换成相应地记录应答格式，注意，因为如果是删除记录不会返回ajax应答，所以 此处不处理删除状态。
*
* @param xmlSb
* @param pm
* @param rows
* @param state
*/
protected void processRecord(StringBuffer xmlSb, RowData data) {
StringBuffer rowCountsb = null;
int size = data.getRowCount();
for (int i = 0; i < size; i++) {
Row row = data.getRow(i);
int fieldCount = row.size();
rowCountsb = new StringBuffer();
boolean isEmptyRow = (row instanceof EmptyRow);
String recordSign = "<" + EventContextConstant.record + "";
String recordESign = "</" + EventContextConstant.record + ">";
if (isEmptyRow) {
recordSign = "<" + EventContextConstant.erecord;
recordESign = "</" + EventContextConstant.erecord + ">";
}
xmlSb.append(recordSign + " id=\"" + row.getRowId() + "\" ");
if (!isNull(row.getParentId())) xmlSb.append(" parentid=\"" + row.getParentId() + ">");
else xmlSb.append(">");
if (!isEmptyRow) {
String[] startend = getStartEndByState(row.getState());
xmlSb.append(startend[0]);
Object value = null;
for (int j = 0; j < fieldCount; j++) {
value = row.getValue(j);
if (value != null) {
// 处理日期时间类型 dingrf
if (row.getContent()[j] instanceof UFDate) {
value = ((UFDate) row.getContent()[j]).getMillis();
} else if (row.getContent()[j] instanceof UFDateTime) {
value = ((UFDateTime) row.getContent()[j]).getMillis();
} else if (row.getContent()[j] instanceof UFLiteralDate) {
value = ((UFLiteralDate) row.getContent()[j]).getMillis();
}
rowCountsb.append(JsURLEncoder.encode(value.toString(), "UTF-8"));
} else rowCountsb.append(EventContextConstant.NULL);
if (j < fieldCount - 1) rowCountsb.append(",");
}
xmlSb.append(rowCountsb);
xmlSb.append(startend[1]);
// dingrf记录本行中发生修改的列索引
String changedSign = "<" + EventContextConstant.changed + ">";
String changedESign = "</" + EventContextConstant.changed + ">";
xmlSb.append(changedSign);
for (int k = 0; k < row.getChangedIndices().size(); k++) {
xmlSb.append(row.getChangedIndices().get(k));
if (k < row.getChangedIndices().size() - 1) xmlSb.append(",");
}
xmlSb.append(changedESign);
}
xmlSb.append(recordESign + "\n");
}
try {
Method m = RowData.class.getDeclaredMethod("getDeleteRows", new Class[] {});
m.setAccessible(true);
Row[] delRows = (Row[]) m.invoke(data, new Object[] {});
if (delRows != null && delRows.length > 0) {
for (int i = 0; i < delRows.length; i++) {
xmlSb.append(
"<" + EventContextConstant.drecord + " id=\"" + delRows[i].getRowId() + "\"/>");
}
}
} catch (Exception e) {
LfwLogger.error(e);
}
}
private void processFormular(Dataset ds) {
RowData rd = ds.getCurrentRowData();
if (rd == null) return;
int rcount = rd.getRowCount();
List<String> executedFpList = new ArrayList<String>();
int fieldCount = ds.getFieldSet().getFieldCount();
for (int i = 0; i < fieldCount; i++) {
try {
Field field = ds.getFieldSet().getField(i);
List<String> fieldFormulars = new ArrayList<String>();
String formular = field.getEditFormular();
if (formular != null) fieldFormulars.add(formular);
formular = field.getLoadFormular();
if (formular != null) fieldFormulars.add(formular);
Iterator<String> fit = fieldFormulars.iterator();
while (fit.hasNext()) {
formular = fit.next();
String exp = null;
if (formular != null) exp = JsURLDecoder.decode(formular, "UTF-8");
// 如果没有加载公式，继续下一个字段
if (exp == null) continue;
if (executedFpList.contains(exp)) continue;
executedFpList.add(exp);
String[] expArr = exp.split(";");
fp.setExpressArray(expArr);
VarryVO[] varryVOs = fp.getVarryArray();
if (varryVOs == null || varryVOs.length == 0) continue;
String[] formularNames = new String[varryVOs.length];
Map<String, Integer> indexMap = getIndexMap(ds);
for (int j = 0; j < varryVOs.length; j++) {
String[] keys = varryVOs[j].getVarry();
if (keys != null) {
for (String key : keys) {
List<Object> valueList = new ArrayList<Object>();
for (int k = 0; k < rcount; k++) {
Row r = rd.getRow(k);
//
Object value = r.getValue(indexMap.get(key));
Field f = ds.getFieldSet().getField(key);
if (f != null && value != null) {
// //如果是Double类型，进行一下转换
if (StringDataTypeConst.UFDOUBLE.equals(f.getDataType())
|| StringDataTypeConst.DOUBLE.equals(f.getDataType())
|| StringDataTypeConst.Decimal.equals(f.getDataType())) {
if (!(value instanceof UFDouble)) value = new UFDouble(value.toString());
} else if (StringDataTypeConst.INTEGER.equals(f.getDataType())) {
if (!(value instanceof Integer)) value = new Integer((String) value);
}
}
valueList.add(value);
}
fp.addVariable(key, valueList);
}
formularNames[j] = varryVOs[j].getFormulaName();
}
}
Object[][] result = fp.getValueOArray();
if (result != null) {
for (int l = 0; l < formularNames.length; l++) {
int index = ds.nameToIndex(formularNames[l]);
if (index == -1) {
LfwLogger.error(
"can not find column:" + formularNames[l] + ", ds id:" + ds.getId());
continue;
}
for (int k = 0; k < rcount; k++) {
Row r = rd.getRow(k);
r.setValue(index, result[l][k]);
}
}
}
}
} catch (Throwable e) {
Logger.error(e.getMessage(), e);
}
}
}
