pageableresultset2.java

特色说明： 1.沿袭今晚在线论坛独有的双风格分桢形式 2.社区最多可进行3级分类

package com.gamvan.sql;
import java.sql.*;
public class PageableResultSet2 implements Pageable {
    protected java.sql.ResultSet rs=null;
    protected int rowsCount;
    protected int pageSize ;
    protected int curPage;
    protected String command = "" ;
    public PageableResultSet2(java.sql.ResultSet rs) throws java.sql.SQLException {
        if(rs==null) throw new SQLException("given ResultSet is NULL","user");
        rs.last();
        rowsCount=rs.getRow();
        rs.beforeFirst();
        this.rs=rs;
    }
    public PageableResultSet2(java.sql.ResultSet rs, String command) throws java.sql.SQLException {
            if(rs==null) throw new SQLException("given ResultSet is NULL","user");
            rs.last();
            rowsCount=rs.getRow();
            rs.beforeFirst();
            this.rs=rs;
            this.command = command;
    }
    public int getCurPage() {
        return curPage;
    }
    //////////////////////////
    public java.net.URL getURL(String columnName) throws SQLException{
        return rs.getURL(columnName);
    }
    public java.net.URL getURL(int columnName) throws SQLException{
        return rs.getURL(columnName);
    }
    /////////////////////////////////
    public int getPageCount() {
        if(rowsCount==0) return 0;
        if(pageSize==0) return 1;
        //calculate PageCount
        double tmpD=(double)rowsCount/pageSize;
        int tmpI=(int)tmpD;
        if(tmpD>tmpI) tmpI++;
        return tmpI;
    }
    public int getPageRowsCount() {
        if(pageSize==0) return rowsCount;
        if(getRowsCount()==0) return 0;
        if(curPage!=getPageCount()) return pageSize;
        return rowsCount-(getPageCount()-1)*pageSize;
    }
    public int getPageSize() {
        return pageSize;
    }
    public int getRowsCount() {
        return rowsCount;
    }
    public void gotoPage(int page) {
        if (rs == null)
            return;
        if (page < 1)
            page = 1;
        if (page > getPageCount())
            page = getPageCount();
        int row = (page - 1) * pageSize + 1;
        try {
            rs.absolute(row);
            curPage = page;
        }
        catch (java.sql.SQLException e) {
        }
    }
    public void pageFirst() throws java.sql.SQLException {
        int row=(curPage-1)*pageSize+1;
        rs.absolute(row);
    }
    public void pageLast() throws java.sql.SQLException {
        int row=(curPage-1)*pageSize+getPageRowsCount();
        rs.absolute(row);
    }
    public void setPageSize(int pageSize) {
        if(pageSize>=0){
            this.pageSize=pageSize;
            curPage=1;
        }
    }  
//============================================================================
    public boolean absolute(int row) throws SQLException {
            return rs.absolute(row);
    }
    public void afterLast() throws SQLException {
            rs.afterLast();
    }
    public void beforeFirst() throws SQLException {
            rs.beforeFirst();
    }
    public void cancelRowUpdates() throws SQLException {
            rs.cancelRowUpdates();
    }
    public void clearWarnings() throws SQLException {
            rs.clearWarnings();
    }
    public void close() throws SQLException {
            rs.close();
    }
    public void deleteRow() throws SQLException {
            rs.deleteRow();
    }
    public int findColumn(String columnName) throws SQLException {	try
            {
                    return rs.findColumn(columnName);
            }
            catch (SQLException e)
            {
                    throw new SQLException(e.toString()+ "/"+columnName + "/"+this.getCommand());
            }
    }
    public boolean first() throws SQLException {
            return rs.first();
    }
    public Array getArray(int i) throws SQLException {
            try
            {
                    return rs.getArray(i);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+i
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Array getArray(String colName) throws SQLException {
	try
	{
		return rs.getArray(colName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+colName
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.io.InputStream getAsciiStream(int columnIndex) throws SQLException {
	try
	{
		return rs.getAsciiStream(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.io.InputStream getAsciiStream(String columnName) throws SQLException{
	try
	{
		return rs.getAsciiStream(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.math.BigDecimal getBigDecimal(int columnIndex) throws SQLException {
	try
	{
		return rs.getBigDecimal(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
		
}
    public java.math.BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
	throw new SQLException("Deprecated Method, Don't Call it!","user");
}
    public java.math.BigDecimal getBigDecimal(String columnName) throws SQLException {
	try
	{
		return rs.getBigDecimal(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.math.BigDecimal getBigDecimal(String columnName, int scale) throws SQLException {
            throw new SQLException("Deprecated Method, Don't Call it!","user");
    }
    public java.io.InputStream getBinaryStream(int columnIndex) throws SQLException{
	try
	{	
		return rs.getBinaryStream(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.io.InputStream getBinaryStream(String columnName) throws SQLException {
	try
	{
		return rs.getBinaryStream(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
	
}
    public Blob getBlob(int columnIndex) throws SQLException {
	try
	{
		return rs.getBlob(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public Blob getBlob(String colName) throws SQLException{
	try
	{
		return rs.getBlob(colName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+colName
			+"\r\nSQL="+this.getCommand());
	}
}
    public boolean getBoolean(int columnIndex) throws SQLException {
            try
            {
                    return rs.getBoolean(columnIndex);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+columnIndex
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public boolean getBoolean(String columnName) throws SQLException {
	try
	{
		return rs.getBoolean(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
}
    public byte getByte(int columnIndex) throws SQLException {
	try
	{
		return rs.getByte(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public byte getByte(String columnName) throws SQLException{
	try
	{	
		return rs.getByte(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
}
    public byte[] getBytes(int columnIndex) throws SQLException {
	try
	{
		return rs.getBytes(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public byte[] getBytes(String columnName) throws SQLException{
	try
	{
		return rs.getBytes(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
	
}
    public java.io.Reader getCharacterStream(int columnIndex) throws SQLException {
	try
	{
		return rs.getCharacterStream(columnIndex);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" column Index="+columnIndex
			+"\r\nSQL="+this.getCommand());
	}
}
    public java.io.Reader getCharacterStream(String columnName) throws SQLException {
            try
            {
                    return rs.getCharacterStream(columnName);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" columnName="+columnName
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Clob getClob(int i) throws SQLException {
            try
            {
                    return rs.getClob(i);
            }

            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+i
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Clob getClob(String colName) throws SQLException{
            try
            {
                    return rs.getClob(colName);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" columnName="+colName
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public java.lang.String getCommand() {
            return command;
    }
    public int getConcurrency() throws SQLException {
            return rs.getConcurrency();
    }

    public String getCursorName() throws SQLException {
            return rs.getCursorName();
    }
    public Date getDate(int columnIndex) throws SQLException{
            try
            {
                    return rs.getDate(columnIndex);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+columnIndex
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Date getDate(int columnIndex, java.util.Calendar cal) throws SQLException{
            try
            {
                    return rs.getDate(columnIndex,cal);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+columnIndex
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Date getDate(String columnName) throws SQLException{
            try
            {
                    return rs.getDate(columnName);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" columnName="+columnName
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public Date getDate(String columnName, java.util.Calendar cal) throws SQLException {
            try
            {
                    return rs.getDate(columnName,cal);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" columnName="+columnName
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public double getDouble(int columnIndex) throws SQLException {
            try
            {
                    return rs.getDouble(columnIndex);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+columnIndex
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public double getDouble(String columnName) throws SQLException {
            try
            {
                    return rs.getDouble(columnName);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" columnName="+columnName
                            +"\r\nSQL="+this.getCommand());
            }
    }
    public int getFetchDirection() throws SQLException {
            return rs.getFetchDirection();
    }
    public int getFetchSize() throws SQLException {
            return rs.getFetchSize();
    }
    public float getFloat(int columnIndex) throws SQLException{
            try
            {
                    return rs.getFloat(columnIndex);
            }
            catch (SQLException e)
            {
                    throw new SQLException (e.getMessage()+" column Index="+columnIndex
                            +"\r\nSQL="+this.getCommand());
            }
    }	
    public float getFloat(String columnName) throws SQLException {
	try
	{
		return rs.getFloat(columnName);
	}
	catch (SQLException e)
	{
		throw new SQLException (e.getMessage()+" columnName="+columnName
			+"\r\nSQL="+this.getCommand());
	}
}
    public int getInt(int columnIndex) throws SQLException {
            try
            {
                    return rs.getInt(columnIndex);