com.frameworkset.common.poolman.handle.ValueExchange Maven / Gradle / Ivy
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package com.frameworkset.common.poolman.handle;
import com.frameworkset.common.poolman.NestedSQLException;
import com.frameworkset.common.poolman.util.SQLUtil;
import com.frameworkset.orm.adapter.DB;
import com.frameworkset.util.*;
import oracle.jdbc.OracleTypes;
import org.frameworkset.util.TimeUtil;
import org.frameworkset.util.annotations.wraper.ColumnWraper;
import org.frameworkset.util.encoder.BASE64Encoder;
import java.io.*;
import java.math.BigDecimal;
import java.sql.*;
import java.text.DecimalFormat;
import java.util.Locale;
/**
*
*
*
* Title: TypeHandler.java
*
*
*
* Description:
*
* 数据交换，实现数据库记录字段的值和java中数据类型值的转换
*
* Copyright: Copyright (c) 2007
*
*
*
* @Date Oct 29, 2008 10:36:23 AM
* @author biaoping.yin
* @version 1.0
*/
public class ValueExchange {
// public static final TypeHandlerFactory typeHandlerFactory = new TypeHandlerFactory();
// public Object valueChange(CallableStatement cstmt, Class toType,
// int sqlType, String dbname) {
// switch (sqlType) {
//
// }
// return null;
// }
//
// public Object valueChange(ResultSet rs, Class toType, int sqlType,
// String dbname) {
// return null;
// }
// public static TypeHandler getTypeHandler(int sqlType)
// {
// TypeHandler handler = null;
// switch (sqlType) {
//
// // case Types.LONGVARBINARY:
// /**********************************************************************
// * Types.BIT Types.BOOLEAN java.lang.Boolean
// **********************************************************************/
// /**
// * The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * BIT.
// */
// case Types.BIT :
// /**
// * The constant in the Java programming language, somtimes referred to
// * as a type code, that identifies the generic SQL type BOOLEAN.
// *
// * @since 1.4
// */
// case Types.BOOLEAN :
//
//// BooleanTypeHandler b = new BooleanTypeHandler();
// handler = typeHandlerFactory.getTypeHandler(boolean.class);
//// return b.getResult(cs, columnIndex, javaType);
// return handler;
//
// /**********************************************************************
// * Types.TINYINT byte
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * TINYINT.
// */
// case Types.TINYINT :
//// ByteTypeHandler byteHander = new ByteTypeHandler();
//// return byteHander.getResult(cs, columnIndex, javaType);
// handler = typeHandlerFactory.getTypeHandler(byte.class);
// return handler;
// /**********************************************************************
// * Types.SMALLINT short
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * SMALLINT.
// */
// case Types.SMALLINT :
// handler = typeHandlerFactory.getTypeHandler(short.class);
// return handler;
//// return shortHandler.getResult(cs, columnIndex, javaType);
//
// /**********************************************************************
// * Types.SMALLINT int
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * INTEGER.
// */
// case Types.INTEGER :
// handler = typeHandlerFactory.getTypeHandler(int.class);
// return handler;
// /**********************************************************************
// * Types.BIGINT long
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * BIGINT.
// */
// case Types.BIGINT:
// /**
// * 处理long类型的字段时需要，当应用程序向long形字段中存放大文本时需要，存放Reader
// * res.getCharacterStream();
// */
//// Object reader = null;
//// // reader = cstmt.getCharacterStream(i);
//// Object temp = cstmt.getObject(i);
//// // value = new Object[] { temp, reader };
//// value = temp;
//// break;
// handler = typeHandlerFactory.getTypeHandler(long.class);
// return handler;
//
//
//
//
// /**********************************************************************
// * Types.REAL float
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * REAL.
// */
// case Types.REAL :
// handler = typeHandlerFactory.getTypeHandler(float.class);
// return handler;
//
// /**********************************************************************
// * Types.DOUBLE Types.FLOAT double ???? Types.FLOAT 为什么要归结为double而不是float
// **********************************************************************/
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * FLOAT.
// */
// case Types.FLOAT :
// handler = typeHandlerFactory.getTypeHandler(float.class);
// return handler;
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * DOUBLE.
// */
// case Types.DOUBLE :
// handler = typeHandlerFactory.getTypeHandler(double.class);
// return handler;
// /**********************************************************************
// * Types.NUMERIC Types.DECIMAL java.lang.BigDecimal
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * NUMERIC.
// */
// case Types.NUMERIC :
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * DECIMAL.
// */
// case Types.DECIMAL :
//// value = cstmt.getBigDecimal(i);
//// BigDecimalTypeHandler big = new BigDecimalTypeHandler();
//// return big.getResult(cs, columnIndex, javaType);
// handler = typeHandlerFactory.getTypeHandler(BigDecimal.class);
// return handler;
//// break;
//
// /**********************************************************************
// * Types.CHAR Types.VARCHAR Types.LONGVARCHAR Types.CLOB java.lang.String
// **********************************************************************/
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * CHAR.
// */
// case Types.CHAR:
// handler = typeHandlerFactory.getTypeHandler(String.class);
// return handler;
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * VARCHAR.
// */
// case Types.VARCHAR :
// handler = typeHandlerFactory.getTypeHandler(String.class);
// return handler;
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * LONGVARCHAR.
// */
// case Types.LONGVARCHAR :
// handler = typeHandlerFactory.getTypeHandler(String.class,"LONGVARCHAR");
// return handler;
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * CLOB.
// * @since 1.2
// */
// case Types.CLOB:
//// Clob clob = (Clob) cstmt.getObject(i);
//// value = clob;
//// // value = this.clobToString(clob);
//// break;
//// try {
// // not sure about this fix, so be overly cautious
// // 判断是否有中文如果有中文则，有些数据库需要处理调后面多余的空格，比如oracle
// handler = typeHandlerFactory.getTypeHandler(String.class,"CLOB");
// return handler;
//// value = cstmt.getString(i);
////
////// value = SQLUtil.getPool(dbname).getDbAdapter()
////// .getCharValue(cstmt, i, (String) value);
////
//// } catch (Exception _e) {
//// // _e.printStackTrace();
//// // System.out.println("column :" + i + " " +
//// // meta.getColumnLabel(i));
//// // 捕获异常：有些数据库中（例如mssql
//// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
//// // 读取零字节异常，造成数据读取失败
//// try {
//// value = cstmt.getObject(i);
//// } catch (Exception e) {
//// value = null;
//// }
//// }
//// break;
// /**********************************************************************
// * Types.DATE Types.TIME Types.TIMESTAMP OracleTypes.TIMESTAMPLTZ
// * OracleTypes.TIMESTAMPNS OracleTypes.TIMESTAMPTZ java.util.Date
// **********************************************************************/
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * DATE.
// */
// case Types.DATE:
//
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
//// try {
//// value = cstmt.getTimestamp(i);
//// break;
//// } catch (Exception e) {
//// value = cstmt.getDate(i);
//// break;
//// }
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * TIME.
// */
// case Types.TIME:
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
//// value = cstmt.getTime(i);
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * TIMESTAMP.
// */
// case Types.TIMESTAMP:
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
// case OracleTypes.TIMESTAMPLTZ:
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
// case OracleTypes.TIMESTAMPNS:
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
// case OracleTypes.TIMESTAMPTZ:
// handler = typeHandlerFactory.getTypeHandler(java.util.Date.class);
// return handler;
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * BINARY.
// */
// case Types.BINARY :
// handler = typeHandlerFactory.getTypeHandler(byte[].class,"BINARY");
// return handler;
//
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * VARBINARY.
// */
// case Types. VARBINARY :
// handler = typeHandlerFactory.getTypeHandler(byte[].class,"VARBINARY");
// return handler;
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * LONGVARBINARY.
// */
// case Types.LONGVARBINARY :
// handler = typeHandlerFactory.getTypeHandler(byte[].class,"LONGVARBINARY");
// return handler;
// case Types.BLOB:
//// Blob blob = (Blob) cstmt.getObject(i);
//// value = blob;
//// // value = this.blobToByteArray(blob);
//// break;
// handler = typeHandlerFactory.getTypeHandler(byte[].class,"BLOB");
// return handler;
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * JAVA_OBJECT.
// * @since 1.2
// */
// case Types.JAVA_OBJECT :
// handler = typeHandlerFactory.getTypeHandler(Object.class, "OBJECT");
// return handler;
// /**
// *
The constant in the Java programming language, sometimes referred
// * to as a type code, that identifies the generic SQL type
// * NULL.
// */
// case Types.NULL :
//
// /**
// * The constant in the Java programming language that indicates
// * that the SQL type is database-specific and
// * gets mapped to a Java object that can be accessed via
// * the methods getObject and setObject.
// */
// case Types.OTHER :
//
//
//
//
//
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * DISTINCT.
// * @since 1.2
// */
// case Types.DISTINCT :
//
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * STRUCT.
// * @since 1.2
// */
// case Types.STRUCT :
//
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * ARRAY.
// * @since 1.2
// */
// case Types.ARRAY :
//
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * BLOB.
// * @since 1.2
// */
//
//
//
//
// /**
// * The constant in the Java programming language, sometimes referred to
// * as a type code, that identifies the generic SQL type
// * REF.
// * @since 1.2
// */
// case Types.REF :
//
// /**
// * The constant in the Java programming language, somtimes referred to
// * as a type code, that identifies the generic SQL type DATALINK.
// *
// * @since 1.4
// */
// case Types.DATALINK :
//
//
//
//
//
// default:
// // System.out.println("column :" + i + " " +
// // meta.getColumnLabel(i));
// // 捕获异常：有些数据库中（例如mssql
// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
// // 读取零字节异常，造成数据读取失败
// handler = typeHandlerFactory.getTypeHandler(Object.class, "OBJECT");
// return handler;
// }
// }
public static byte[] getResultBytes(Blob blob)
throws SQLException {
byte[] returnValue;
if (blob != null) {
// returnValue = blob.getBytes(1, (int) blob.length());
returnValue = ValueExchange.getByteArrayFromBlob(blob);
return returnValue;
} else {
returnValue = null;
}
return returnValue;
}
public static byte[] convertObjectToBytes(Object bytes) throws SQLException{
if(bytes == null)
return null;
if(bytes instanceof String)
{
return ((String)bytes).getBytes();
}
else if(bytes instanceof java.sql.Blob)
{
try {
return getResultBytes((Blob)bytes);
} catch (SQLException e) {
throw e;
}catch (Exception e) {
throw new NestedSQLException(e);
}
}
else if(bytes instanceof java.sql.Clob)
{
try {
return getResultBytes((Clob)bytes);
} catch (SQLException e) {
throw e;
}catch (Exception e) {
throw new NestedSQLException(e);
}
}
return (byte[])bytes;
}
public static byte[] getResultBytes(Clob clob) throws SQLException{
String value;
// Clob clob = rs.getClob(columnIndex);
if (clob != null) {
// int size = (int) clob.length();
return ValueExchange.getByteArrayFromClob(clob);
// value = clob.getSubString(1, size);
// return value.getBytes();
} else {
return null;
}
}
public static Object getValueFromCallableStatement(CallableStatement cs,
int columnIndex, int sqltype, Class javaType,String dbname,EditorInf editor) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(cs, columnIndex, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
Object value = getValueFromCallableStatement(cs, columnIndex, sqltype,
dbname);
if(editor == null)
{
if(value == null)
return ValueObjectUtil.getDefaultValue(javaType);
return convert(value, value.getClass(), javaType);
}
else
{
return editor.getValueFromObject(value);
}
}
public static Object getValueFromCallableStatement(CallableStatement cs,
String parameterName, int sqltype, Class javaType,String dbname,ColumnEditorInf editor,
ColumnWraper cl ) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(cs, parameterName, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
Object value = getValueFromCallableStatement(cs, parameterName, sqltype,
dbname);
if(editor == null || editor instanceof FieldToColumnEditor)
{
if(value == null)
return value;
return convert(value, value.getClass(), javaType);
}
else
{
return editor.getValueFromObject(cl,value);
}
}
// public static Object getValueFromCallableStatement(CallableStatement cs,
// int columnIndex, int sqltype, Class javaType,String dbname) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(cs, columnIndex, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
// }
//
// public static Object getValueFromCallableStatement(CallableStatement cs,
// String parameterName, int sqltype, Class javaType,String dbname) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(cs, parameterName, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
// }
// public static Object getValueFromResultSet(ResultSet rs,
// String parameterName, int sqltype, Class javaType,String dbname) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(rs, parameterName, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
// }
//
// public static Object getValueFromResultSet(ResultSet rs,
// int columnIndex, int sqltype, Class javaType,String dbname) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(rs, columnIndex, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
// }
public static Object getValueFromCallableStatement(CallableStatement cstmt, int i, int type,
String dbname) throws SQLException {
Object value = null;
try {
DB db = SQLUtil.getPool(dbname).getDbAdapter();
switch (type) {
// case Types.LONGVARBINARY:
case Types.CHAR:
try {
// not sure about this fix, so be overly cautious
// 判断是否有中文如果有中文则，有些数据库需要处理调后面多余的空格，比如oracle
value = cstmt.getString(i);
value = db.getCharValue(cstmt, i,
(String) value);
} catch (Exception _e) {
// _e.printStackTrace();
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
try {
value = cstmt.getObject(i);
} catch (Exception e) {
value = null;
}
}
break;
case Types.BIGINT:
/**
* 处理long类型的字段时需要，当应用程序向long形字段中存放大文本时需要，存放Reader
* res.getCharacterStream();
*/
Object reader = null;
// reader = cstmt.getCharacterStream(i);
Object temp = cstmt.getObject(i);
// value = new Object[] { temp, reader };
value = temp;
break;
case Types.BLOB:
Blob blob = cstmt.getBlob(i);
value = blob;
//value = this.blobToByteArray(blob);
break;
case Types.LONGVARBINARY:
value = db.getLONGVARBINARY(cstmt, i);
//value = this.blobToByteArray(blob);
break;
case Types.CLOB:
Clob clob = cstmt.getClob(i);
value = clob;
//value = this.clobToString(clob);
break;
case Types.LONGVARCHAR:
value = db.getLONGVARCHAR(cstmt, i);
//value = this.clobToString(clob);
break;
case OracleTypes.TIMESTAMPLTZ:
value = cstmt.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPNS:
value = cstmt.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPTZ:
value = cstmt.getTimestamp(i);
break;
case Types.TIMESTAMP:
value = cstmt.getTimestamp(i);
break;
case Types.TIME:
value = cstmt.getTime(i);
break;
case Types.DATE:
try
{
value = cstmt.getTimestamp(i);break;
}
catch(Exception e)
{
value = cstmt.getDate(i);
if(value != null)
value = new java.sql.Timestamp(((java.sql.Date)value).getTime());
break;
}
default:
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
try {
value = cstmt.getObject(i);
value = TimeUtil.convertLocalDate(value);
} catch (Exception e) {
value = null;
}
// value = res.getObject(i);
break;
}
} catch (SQLException ee) {
throw ee;
} catch (Exception ee) {
throw new NestedSQLException(ee);
}
return value;
}
public static Object getValueFromCallableStatement(CallableStatement cstmt, String paramName, int sqltype,
String dbname) throws SQLException {
Object value = null;
// SchemaType schemaType = SQLUtil.getSchemaType(dbname, sqltype);
// String javaType = schemaType.getJavaType();
try {
switch (sqltype) {
// case Types.LONGVARBINARY:
case Types.CHAR:
try {
// not sure about this fix, so be overly cautious
// 判断是否有中文如果有中文则，有些数据库需要处理调后面多余的空格，比如oracle
value = cstmt.getString(paramName);
value = SQLUtil.getPool(dbname).getDbAdapter().getCharValue(cstmt, paramName,
(String) value);
} catch (Exception _e) {
// _e.printStackTrace();
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
try {
value = cstmt.getObject(paramName);
} catch (Exception e) {
value = null;
}
}
break;
case Types.BIGINT:
/**
* 处理long类型的字段时需要，当应用程序向long形字段中存放大文本时需要，存放Reader
* res.getCharacterStream();
*/
Object reader = null;
// reader = cstmt.getCharacterStream(i);
Object temp = cstmt.getObject(paramName);
value = temp;
break;
case Types.BLOB:
case Types.LONGVARBINARY:
Blob blob = cstmt.getBlob(paramName);
value = blob;
//value = this.blobToByteArray(blob);
break;
case Types.CLOB:
case Types.LONGVARCHAR:
Clob clob = (Clob) cstmt.getClob(paramName);
value = clob;
//value = this.clobToString(clob);
break;
case OracleTypes.TIMESTAMPLTZ:
value = cstmt.getTimestamp(paramName);
break;
case OracleTypes.TIMESTAMPNS:
value = cstmt.getTimestamp(paramName);
break;
case OracleTypes.TIMESTAMPTZ:
value = cstmt.getTimestamp(paramName);
break;
case Types.TIMESTAMP:
value = cstmt.getTimestamp(paramName);
break;
case Types.TIME:
value = cstmt.getTime(paramName);
break;
case Types.DATE:
try
{
value = cstmt.getTimestamp(paramName);break;
}
catch(Exception e)
{
value = cstmt.getDate(paramName);
if(value != null)
value = new java.sql.Timestamp(((java.sql.Date)value).getTime());
break;
}
default:
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
try {
value = cstmt.getObject(paramName);
value = TimeUtil.convertLocalDate(value);
} catch (Exception e) {
value = null;
}
// value = res.getObject(i);
break;
}
} catch (SQLException ee) {
throw ee;
} catch (Exception ee) {
throw new NestedSQLException(ee);
}
return value;
}
public static byte[] getByteArrayFromBlob(Blob blob) throws SQLException
{
return ValueObjectUtil.getByteArrayFromBlob(blob);
}
public static String getByteStringFromBlob(Blob blob) throws SQLException
{
return ValueObjectUtil. getByteStringFromBlob( blob);
}
public static String getStringFromBlob(Blob blob) throws SQLException
{
return ValueObjectUtil.getStringFromBlob(blob);
}
public static byte[] getByteArrayFromClob(Clob clob) throws SQLException
{
return ValueObjectUtil.getByteArrayFromClob( clob);
}
public static String getStringFromClob(Clob clob) throws SQLException
{
return ValueObjectUtil.getStringFromClob(clob);
}
public static String getStringFromReader(Reader in) throws SQLException
{
StringWriter w = null;
if(in == null)
return null;
// Reader out = null;
try
{
w = new StringWriter();
// out = in;
char[] buf = new char[1024];
int i =0;
while((i = in.read(buf)) > 0)
{
w.write(buf,0,i);
}
return w.toString();
}
// catch(SQLException e)
// {
// throw e;
// }
catch(Exception e)
{
throw new NestedSQLException(e);
}
finally
{
try
{
if(in != null)
{
in.close();
in = null;
}
}
catch(Exception e)
{
}
try
{
if(w != null)
{
w.close();
w = null;
}
}
catch(Exception e)
{
}
}
}
public static String getStringFromStream(InputStream in) throws SQLException
{
if(in == null)
return null;
OutputStream out = null;
// InputStream in = null;
try
{
out = new ByteArrayOutputStream();
// in = blob.getBinaryStream();
byte[] buf = new byte[1024];
int i =0;
while((i = in.read(buf)) > 0)
{
// System.out.println("i=" + i);
out.write(buf,0,i);
}
return out.toString();
}
// catch(SQLException e)
// {
// throw e;
// }
catch(Exception e)
{
throw new NestedSQLException(e);
}
finally
{
try
{
if(out != null)
{
out.close();
out = null;
}
}
catch(Exception e)
{
}
try
{
if(in != null)
{
in.close();
in = null;
}
}
catch(Exception e)
{
}
}
}
public static String getStringFromObject(Object value) throws SQLException
{
String ret = null;
if(value == null)
{
return null;
}
else
{
try
{
if(value instanceof String)
return (String)value;
else if(value instanceof Clob)
{
ret = getStringFromClob((Clob)value);
}
else if(value instanceof Blob)
{
ret = getStringFromBlob((Blob)value);
}
else if(value instanceof byte[])
{
return new String(((byte[]) value));
}
else if(value instanceof InputStream)
{
ret = ValueExchange.getStringFromStream((InputStream)value);
}
else if(value instanceof Reader)
{
ret = ValueExchange.getStringFromReader((Reader)value);
}
else
{
return value.toString();
}
}
catch(SQLException ioe)
{
throw ioe;
}
catch(Exception e)
{
throw new NestedSQLException(e);
}
}
return ret;
}
// public static Object getValueFromResultSet(ResultSet rs,
// String parameterName, int sqltype, Class javaType,String dbname) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(rs, parameterName, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
//// return value;
//
// }
public static Object getValueFromResultSet(ResultSet rs,
int columnIndex, int sqltype, Class javaType,DB db,ColumnEditorInf editor,ColumnWraper columnWraper) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(rs, columnIndex, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
Object value = getValueFromRS(rs, columnIndex, sqltype,
db);
if(editor == null || editor instanceof FieldToColumnEditor)
{
if(value == null)
return ValueObjectUtil.getDefaultValue(javaType);
return convert(value, value.getClass(), javaType);
}
else
{
return editor.getValueFromObject(columnWraper,value);
}
}
public static Object getValueFromResultSet(ResultSet rs,
String column, int sqltype, Class javaType,String dbname,ColumnEditorInf editor,ColumnWraper cl) throws SQLException{
// Object value = null;
// try {
// TypeHandler handler = getTypeHandler(sqltype);
// if(handler != null)
// return handler.getResult(rs, columnIndex, javaType, null);
// } catch (SQLException ee) {
// throw ee;
// } catch (Exception ee) {
// throw new NestedSQLException(ee);
// }
// return value;
Object value = getValueFromRS(rs, column, sqltype,
dbname);
if(editor == null || editor instanceof FieldToColumnEditor)
{
if(value == null)
return ValueObjectUtil.getDefaultValue(javaType);
return convert(value, value.getClass(), javaType);
}
else
{
return editor.getValueFromObject(cl,value);
}
}
public static Object convert(Object value, Class type, Class javaType) throws SQLException{
try {
if(javaType == null || value == null)
return ValueObjectUtil.getDefaultValue(javaType);
if(java.sql.Clob.class.isAssignableFrom(type))
{
if(javaType == Clob.class)
return value;
// value = ValueExchange.getStringFromClob((Clob)value);
}
else if(java.sql.Blob.class.isAssignableFrom(type))
{
if(javaType == Blob.class)
return value;
// value = ValueExchange.getStringFromBlob((Blob)value);
}
return ValueObjectUtil.typeCast(value, value.getClass(), javaType);
} catch (NumberFormatException e) {
throw new NestedSQLException(e);
} catch (IllegalArgumentException e) {
throw new NestedSQLException(e);
} catch (NoSupportTypeCastException e) {
throw new NestedSQLException(e);
} catch (Exception e) {
throw new NestedSQLException(e);
}
// return null;
}
public static Object changeLob2String(Object value) throws SQLException {
if(value != null ){
if(value instanceof Clob)
value = ValueExchange.getStringFromClob((Clob) value);
else if(value instanceof Blob){
value = ValueExchange.getStringFromBlob((Blob) value);
}
}
return value;
}
public static Object getValueFromRS(ResultSet res, int i, int type,
DB db) throws SQLException {
Object value = null;
// DB db = SQLUtil.getPool(dbname).getDbAdapter();
try {
switch (type) {
case Types.VARCHAR:
value = res.getString(i);break;
// case Types.LONGVARBINARY:
case Types.BIGINT:
/**
* 处理long类型的字段时需要，当应用程序向long形字段中存放大文本时需要，存放Reader
* res.getCharacterStream();
*/
// Object reader = null;
// reader = res.getCharacterStream(i);
// Object temp = res.getObject(i);
// value = new Object[] { temp, reader };
long temp = res.getLong(i);
value = new Long(temp);
break;
case Types.TIMESTAMP:
value = res.getTimestamp(i);
break;
case Types.DATE:
try
{
value = res.getTimestamp(i);break;
}
catch(Exception e)
{
value = res.getDate(i);
if(value != null)
value = new java.sql.Timestamp(((java.sql.Date)value).getTime());
break;
}
case Types.DECIMAL:
value =res.getBigDecimal(i);
break;
case Types.CHAR:
try {
// not sure about this fix, so be overly cautious
// 判断是否有中文如果有中文则，有些数据库需要处理调后面多余的空格，比如oracle
value = res.getString(i);
// value = db.getCharValue(res, i,
// (String) value);
} catch (SQLException _e) {
// // _e.printStackTrace();
// // System.out.println("column :" + i + " " +
// // meta.getColumnLabel(i));
// // 捕获异常：有些数据库中（例如mssql
// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
// // 读取零字节异常，造成数据读取失败
// value = res.getObject(i);
throw _e;
}
catch (Exception _e) {
// // _e.printStackTrace();
// // System.out.println("column :" + i + " " +
// // meta.getColumnLabel(i));
// // 捕获异常：有些数据库中（例如mssql
// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
// // 读取零字节异常，造成数据读取失败
// value = res.getObject(i);
throw new NestedSQLException(_e);
}
break;
case Types.BLOB:
Blob blob = res.getBlob(i);
value = blob;
//value = this.blobToByteArray(blob);
break;
case Types.LONGVARBINARY:
value = db.getLONGVARBINARY(res, i);
//value = this.blobToByteArray(blob);
break;
case Types.CLOB:
Clob clob = res.getClob(i);
value = clob;
//value = this.clobToString(clob);
break;
case Types.LONGVARCHAR:
value = db.getLONGVARCHAR(res, i);
//value = this.clobToString(clob);
break;
case OracleTypes.TIMESTAMPLTZ:
value = res.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPNS:
value = res.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPTZ:
value = res.getTimestamp(i);
break;
case Types.TIME:
value = res.getTime(i);
break;
default:
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
value = res.getObject(i);
value = TimeUtil.convertLocalDate(value);
// value = res.getObject(i);
break;
}
}
catch(SQLException ioe)
{
throw ioe;
}
catch(Exception e)
{
throw new NestedSQLException(e);
}
return value;
}
public static Object getValueFromRS(ResultSet res, String i, int type,
String dbname) throws SQLException {
Object value = null;
DB db = SQLUtil.getPool(dbname).getDbAdapter();
try {
switch (type) {
case Types.VARCHAR:
value = res.getString(i);break;
// case Types.LONGVARBINARY:
case Types.BIGINT:
/**
* 处理long类型的字段时需要，当应用程序向long形字段中存放大文本时需要，存放Reader
* res.getCharacterStream();
*/
// Object reader = null;
// reader = res.getCharacterStream(i);
// Object temp = res.getObject(i);
// value = new Object[] { temp, reader };
long temp = res.getLong(i);
value = new Long(temp);
break;
case Types.TIMESTAMP:
value = res.getTimestamp(i);
break;
case Types.DATE:
try
{
value = res.getTimestamp(i);break;
}
catch(Exception e)
{
value = res.getDate(i);
if(value != null)
value = new java.sql.Timestamp(((java.sql.Date)value).getTime());
break;
}
case Types.DECIMAL:
value =res.getBigDecimal(i);
break;
case Types.CHAR:
try {
// not sure about this fix, so be overly cautious
// 判断是否有中文如果有中文则，有些数据库需要处理调后面多余的空格，比如oracle
value = res.getString(i);
// value = db.getCharValue(res, i,
// (String) value);
} catch (SQLException _e) {
// // _e.printStackTrace();
// // System.out.println("column :" + i + " " +
// // meta.getColumnLabel(i));
// // 捕获异常：有些数据库中（例如mssql
// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
// // 读取零字节异常，造成数据读取失败
// value = res.getObject(i);
throw _e;
}
catch (Exception _e) {
// // _e.printStackTrace();
// // System.out.println("column :" + i + " " +
// // meta.getColumnLabel(i));
// // 捕获异常：有些数据库中（例如mssql
// // server2000）表字段的值为空的情况下调用res.getObject(i)会报
// // 读取零字节异常，造成数据读取失败
// value = res.getObject(i);
throw new NestedSQLException(_e);
}
break;
case Types.BLOB:
Blob blob = res.getBlob(i);
value = blob;
//value = this.blobToByteArray(blob);
break;
case Types.LONGVARBINARY:
value = db.getLONGVARBINARY(res, i);
//value = this.blobToByteArray(blob);
break;
case Types.CLOB:
Clob clob = res.getClob(i);
value = clob;
//value = this.clobToString(clob);
break;
case Types.LONGVARCHAR:
value = db.getLONGVARCHAR(res, i);
//value = this.clobToString(clob);
break;
case OracleTypes.TIMESTAMPLTZ:
value = res.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPNS:
value = res.getTimestamp(i);
break;
case OracleTypes.TIMESTAMPTZ:
value = res.getTimestamp(i);
break;
case Types.TIME:
value = res.getTime(i);
break;
default:
// System.out.println("column :" + i + " " +
// meta.getColumnLabel(i));
// 捕获异常：有些数据库中（例如mssql
// server2000）表字段的值为空的情况下调用res.getObject(i)会报
// 读取零字节异常，造成数据读取失败
value = res.getObject(i);
value = TimeUtil.convertLocalDate(value);
// value = res.getObject(i);
break;
}
}
catch(SQLException ioe)
{
throw ioe;
}
catch(Exception e)
{
throw new NestedSQLException(e);
}
return value;
}
/**
* 数字转化为汉字
* @param column
* @return
*/
public static String numberToCN(String column){
char[] cnNumbers={'零','壹','贰','叁','肆','伍','陆','柒','捌','玖'};
if(!"".equals(column)){
StringBuilder stringbuffer = new StringBuilder();
for(int i=0;i= 0)
// fmt.append(' '); //to compensate for minus sign.
if(precision != null && !"".equals(precision)){
precision_ = Integer.parseInt(precision);
}
// if(length != null && !"".equals(length)){
// length_ = Integer.parseInt(length);
// }
if (precision_<0) // Default: two decimals
{
// for (i=0;i=0 && pos = fmt.length()){
// for(int j=0;j< String.valueOf(value).length()+1;j++)
// fmt.append('0');
// fmt.setCharAt(pos+1-(value<0?1:0), '.');
// }if(pos<=0){
// for(int j=0;j< precision_;j++)
// fmt.append('0');
// fmt.setCharAt(0, '.');
// }
int idex = ret.indexOf(".");
if(idex > 0)
{
String sn = ret.substring(idex + 1);
if(sn.length() > precision_)
{
sn = sn.substring(0,precision_);
}
else if(sn.length() < precision_)
{
StringBuilder ret_ = new StringBuilder();
int rap = precision_ - sn.length();
for(int i = 0; i < rap; i ++)
ret_.append("0");
sn = sn + ret_;
}
String integers = ret.substring(0,idex);
ret = integers + "." + sn;
}
}
// form= new DecimalFormat(fmt.toString());
// ret=form.format(value);
return ret;
}
public static String toStringDate(Date date, String dataformat,Locale locale) {
//进行转换函数处理
if(date == null)
return null;
if(dataformat != null && !"".equals(dataformat)){
return ValueObjectUtil.getDateFormat(dataformat,locale).format(date);
}else {
return ValueObjectUtil.getDateFormat(null,locale).format(date);
}
}
public static String toStringInteger(int value, String length,
int numbertocn, String dataformat) {
//先判断值是否为空
String ret = "";
// 先完成对整数的处理
if(numbertocn == 1){
return numberToCN(String.valueOf(value));
}else if(dataformat != null && !"".equals(dataformat)){
DecimalFormat form= new DecimalFormat(dataformat);
ret = form.format(value);
}
else
ret = value + "";
// //接着做长度处理
// StringBuilder fmt=new StringBuilder();
// int i;
// DecimalFormat form;
//
// if (value>=0) fmt.append(' '); //to compensate for minus sign.
// int len = 0;
// if(length != null && !"".equals(length)){
// len = Integer.parseInt(length);
// for (i=0;i limit)
{
ret.setLength(limit);
} else
{
for (l = len; l < limit; l++)
ret.append(' ');
}
return ret.toString();
}
public static String toStringString(String origin,int swtich_case, String length) {
if(origin == null || "".equals(origin))
return null;
if(swtich_case == 1){
origin = origin.toUpperCase();
}
String retval=null;
StringBuilder ret = new StringBuilder(origin);
int length_ = 0;
if( length != null && !"".equals(length)){
length_ = Integer.parseInt(length);
if(length_>16384){
length_ = 16384;
}
rightPad(ret, length_);
}
retval = ret.toString();
return retval;
}
public static String toStringTimeStamp(Timestamp timestamp,
String dataformat,Locale locale) {
//进行转换函数处理
if(timestamp == null)
return null;
if(dataformat != null && !"".equals(dataformat)){
return ValueObjectUtil.getDateFormat(dataformat, locale).format(timestamp);
}else {
return ValueObjectUtil.getDateFormat(null, locale).format(timestamp);
}
}
public static String toStringTime(Time time){
if(time != null)
return time.toString();
return null;
}
public static String getByteStringFromBytes(byte[] bytes) {
if(bytes == null)
return null;
BASE64Encoder en = new BASE64Encoder();
return en.encode(bytes);
}
public static String getStringFromBytes(byte[] bytes) {
if(bytes == null)
return null;
return new String(bytes);
}
}