All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
com.mycomm.dao.dao4comm.util.ClassAnalysis Maven / Gradle / Ivy
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com.mycomm.dao.dao4comm.util;
import com.mycomm.IProtocol.beans.JDataTypes;
import com.mycomm.IProtocol.sql.annotation.MyColumn;
import com.mycomm.IProtocol.sql.annotation.MyId;
import com.mycomm.dao.dao4comm.annotation.dialect.FieldMetaData;
import com.mycomm.dao.dao4comm.annotation.dialect.FieldTypeDetector;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author jw362j
*/
public class ClassAnalysis {
private static final Logger log = LoggerFactory.getLogger(ClassAnalysis.class);
public static Map buildFieldsMap(Field[] fields, Object entity, boolean needRecordId, String[] colums) {
if (fields == null || fields.length <= 0 || entity == null) {
throw new RuntimeException("Can not build the FieldMetaData,nullpointer exception!");
}
final Map metas = new HashMap();
long recordId = -1;
if (colums == null || colums.length <= 0) {
//load full field into the map
int firtIndex = 1;
for (Field field : fields) {
field.setAccessible(true);
if (field.isAnnotationPresent(MyId.class)) {
if (needRecordId) {
try {
recordId = field.getLong(entity);
} catch (IllegalArgumentException ex) {
log.error(ex.getMessage());
} catch (IllegalAccessException ex) {
log.error(ex.getMessage());
}
}
continue;
}
if (field.isAnnotationPresent(MyColumn.class)) {
MyColumn myColumn = (MyColumn) field.getAnnotation(MyColumn.class);
String columName = myColumn.ColumnName();
Object columValue = null;
if ("".equals(columName) || columName == null) {
columName = field.getName();
}
try {
if (field.get(entity) == null) {
if (!myColumn.isColumnNullable()) {
throw new IllegalArgumentException("the field is null!the theColum:" + columName + " should not be null!");
}
}
JDataTypes myType = FieldTypeDetector.getDataType(field);
// if (JDataTypes.JNull.equals(myType)) {
// continue;
// }
log.info("the dataType is:" + myType);
if (JDataTypes.JBoolean.equals(myType)) {
columValue = field.getBoolean(entity);
}
if (JDataTypes.JByte.equals(myType)) {
columValue = field.getByte(entity);
}
if (JDataTypes.JChar1.equals(myType)) {
columValue = field.getChar(entity);
}
if (JDataTypes.JDate.equals(myType)) {
if (field.get(entity) == null) {
columValue = "";
} else {
columValue = field.get(entity);
}
}
if (JDataTypes.JDouble.equals(myType)) {
columValue = field.getDouble(entity);
}
if (JDataTypes.JFloat.equals(myType)) {
columValue = field.getFloat(entity);
}
if (JDataTypes.JInt.equals(myType)) {
columValue = field.getInt(entity);
}
if (JDataTypes.JLong.equals(myType)) {
columValue = field.getLong(entity);
}
if (JDataTypes.JShort.equals(myType)) {
columValue = field.getShort(entity);
}
if (JDataTypes.JString.equals(myType)) {
if (field.get(entity) == null) {
columValue = "";
} else {
columValue = field.get(entity);
}
}else{
columValue = field.get(entity);
}
metas.put(firtIndex++, new FieldMetaData(myType, columValue, columName));
} catch (IllegalArgumentException ex) {
log.error(ex.getMessage());
} catch (IllegalAccessException ex) {
log.error(ex.getMessage());
}
}
}
if (needRecordId) {
String tableIdColumName = AnnotationParser.LoadAnnotationStructureStrategy(entity.getClass()).getIdColumName();
metas.put(firtIndex++, new FieldMetaData(JDataTypes.JLong, recordId, tableIdColumName));
}
return metas;
} else {
for (Field field : fields) {
field.setAccessible(true);
if (field.isAnnotationPresent(MyId.class)) {
if (needRecordId) {
try {
recordId = field.getLong(entity);
} catch (IllegalArgumentException ex) {
log.error(ex.getMessage());
} catch (IllegalAccessException ex) {
log.error(ex.getMessage());
}
}
}
if (!field.isAnnotationPresent(MyColumn.class)) {
continue;
}
MyColumn myColumn = (MyColumn) field.getAnnotation(MyColumn.class);
Object columValue = null;
String columName = myColumn.ColumnName();
JDataTypes myType = FieldTypeDetector.getDataType(field);
// if (JavaDataTypes.JNull.equals(myType)) {
// continue;
// }
if ("".equals(columName) || columName == null) {
columName = field.getName();
}
int position = checkExist(colums, columName);
if (position >= 0) {
try {
if (field.get(entity) == null) {
if (!myColumn.isColumnNullable()) {
throw new IllegalArgumentException("the field is null!the theColum:" + columName + " should not be null!");
}
}
if (JDataTypes.JBoolean.equals(myType)) {
columValue = field.getBoolean(entity);
}
if (JDataTypes.JByte.equals(myType)) {
columValue = field.getByte(entity);
}
if (JDataTypes.JChar1.equals(myType)) {
columValue = field.getChar(entity);
}
if (JDataTypes.JDate.equals(myType)) {
if (field.get(entity) == null) {
columValue = "";
} else {
columValue = field.get(entity);
}
}
if (JDataTypes.JDouble.equals(myType)) {
columValue = field.getDouble(entity);
}
if (JDataTypes.JFloat.equals(myType)) {
columValue = field.getFloat(entity);
}
if (JDataTypes.JInt.equals(myType)) {
columValue = field.getInt(entity);
}
if (JDataTypes.JLong.equals(myType)) {
columValue = field.getLong(entity);
}
if (JDataTypes.JShort.equals(myType)) {
columValue = field.getShort(entity);
}
if (JDataTypes.JString.equals(myType)) {
if (field.get(entity) == null) {
columValue = "";
} else {
columValue = field.get(entity);
}
}
} catch (IllegalArgumentException ex) {
log.error(ex.getMessage());
} catch (IllegalAccessException ex) {
log.error(ex.getMessage());
}
metas.put(position+1, new FieldMetaData(myType, columValue, columName));
log.info("the position===11>" + position+",metas size:"+metas.size());
}
}
if (needRecordId) {
String tableIdColumName = AnnotationParser.LoadAnnotationStructureStrategy(entity.getClass()).getIdColumName();
metas.put(colums.length+1, new FieldMetaData(JDataTypes.JLong, recordId, tableIdColumName));
}
log.info( "metas before returing:"+metas.size());
return metas;
}
}
public static Map buildFieldsMap(Field[] fields, Object entity){
return buildFieldsMap(fields, entity,false);
}
public static Map buildFieldsMap(Field[] fields, Object entity, boolean needRecordId) {
log.info("in buildFieldsMap ================>" + entity);
if (fields == null || fields.length <= 0 || entity == null) {
throw new RuntimeException("Can not build the FieldMetaData,nullpointer exception!");
}
return buildFieldsMap(fields, entity, needRecordId, null);
}
private static int checkExist(String[] colums, String it) {
int position = -1;
if (it == null || "".equals(it)) {
return position;
}
for (int x = 0; x < colums.length; x++) {
if (it.equals(colums[x])) {
return x;
}
}
return position;
}
}
