Added formatting facility

Author: daneeldeveloper

src/main/java/org/fugerit/java/query/export/facade/QueryExportConfig.java

@@ -3,6 +3,8 @@
 import java.io.OutputStream;
 import java.sql.Connection;
 
+import org.fugerit.java.query.export.meta.BasicObjectFormat;
+
 public class QueryExportConfig {
 
 	public static final boolean DEFAULT_EXPORT_HEADER = true;
@@ -45,6 +47,8 @@ public QueryExportConfig(String format, char separator, OutputStream output, Con
 
 	private boolean exportHeader;
 
+	private BasicObjectFormat objectFormat;
+	
 	public String getFormat() {
 		return format;
 	}
@@ -90,5 +94,13 @@ public boolean isExportHeader() {
 	public void setExportHeader(boolean exportHeader) {
 		this.exportHeader = exportHeader;
 	}
+
+	public BasicObjectFormat getObjectFormat() {
+		return objectFormat;
+	}
+
+	public void setObjectFormat(BasicObjectFormat objectFormat) {
+		this.objectFormat = objectFormat;
+	}
 
 }

src/main/java/org/fugerit/java/query/export/facade/QueryExportFacade.java

@@ -4,7 +4,6 @@
 import java.io.OutputStreamWriter;
 import java.nio.charset.Charset;
 import java.sql.ResultSet;
-import java.sql.ResultSetMetaData;
 import java.sql.Statement;
 import java.util.Iterator;
 
@@ -31,7 +30,7 @@ public static int export( QueryExportConfig config ) throws Exception {
 		Statement stm = config.getConn().createStatement();
 		logger.info( "sql : "+config.getQuery() );
 		ResultSet rs = stm.executeQuery( config.getQuery() );
-		MetaResult meta = new BasicMetaResult( BasicMetaRSE.newInstanceAllToString( rs.getMetaData() ) , rs );
+		MetaResult meta = new BasicMetaResult( BasicMetaRSE.newInstanceAllToString( rs.getMetaData(), config.getObjectFormat() ) , rs );
 		export( config, meta );
 		int count = meta.close();
 		stm.close();

src/main/java/org/fugerit/java/query/export/meta/BasicMetaRSE.java

@@ -12,11 +12,21 @@ public abstract class BasicMetaRSE implements RSExtractor<MetaRecord> {
 
 	private ResultSetMetaData rsmd;
 
+	private BasicObjectFormat format;
+	
 	@Override
 	public abstract MetaRecord extractNext(ResultSet rs) throws SQLException;
 
 	public void init( ResultSetMetaData rsmd ) throws Exception {
+		this.init( rsmd , BasicObjectFormat.DEF );
+	}
+	
+	public void init( ResultSetMetaData rsmd, BasicObjectFormat format ) throws Exception {
 		this.rsmd = rsmd;
+		this.format = format;
+		if ( format == null ) {
+			this.format = BasicObjectFormat.DEF;	
+		}
 	}
 
 	public void destroy( ) throws Exception {
@@ -26,14 +36,21 @@ public void destroy( ) throws Exception {
 	protected ResultSetMetaData getRsmd() {
 		return rsmd;
 	}
+	
+	public BasicObjectFormat getFormat() {
+		return format;
+	}
 
-	public static BasicMetaRSE newInstanceAllToString( ResultSetMetaData rsmd ) throws Exception {
+	public static BasicMetaRSE newInstanceAllToString( ResultSetMetaData rsmd, BasicObjectFormat format ) throws Exception {
 		BasicMetaRSEAllToString rse = new BasicMetaRSEAllToString();
-		rse.init( rsmd );
+		rse.init( rsmd, format );
 		return rse;
-		
 	}
 
+	public static BasicMetaRSE newInstanceAllToString( ResultSetMetaData rsmd ) throws Exception {
+		return newInstanceAllToString( rsmd, BasicObjectFormat.DEF );
+	}
+
 }
 
 class BasicMetaRSEAllToString extends BasicMetaRSE {
@@ -43,12 +60,13 @@ public MetaRecord extractNext(ResultSet rs) throws SQLException {
 		List<MetaField> fields = new ArrayList<MetaField>();
 		for ( int k=0; k<this.getRsmd().getColumnCount(); k++ ) {
 			Object current = rs.getObject( k+1 );
-			String value = null;
-			if ( current != null ) {
-				value = String.valueOf( current );
+			try {
+				String value = this.getFormat().format( current );
+				MetaField field = new BasicMetaField( value );
+				fields.add( field );
+			} catch (Exception e) {
+				throw new SQLException( "Format error "+e.getMessage() , e );
 			}
-			MetaField field = new BasicMetaField( value );
-			fields.add( field );
 		}
 		return new BasicMetaRecord( fields );
 	}

src/main/java/org/fugerit/java/query/export/meta/BasicObjectFormat.java

@@ -0,0 +1,15 @@
+package org.fugerit.java.query.export.meta;
+
+public class BasicObjectFormat {
+
+	public final static BasicObjectFormat DEF = new BasicObjectFormat();
+	
+	public String format( Object current ) throws Exception {
+		String value = null;
+		if ( current != null ) {
+			value = String.valueOf( current );
+		}
+		return value;
+	}
+	
+}