/**
* Global Sensor Networks (GSN) Source Code
* Copyright (c) 2006-2016, Ecole Polytechnique Federale de Lausanne (EPFL)
*
* This file is part of GSN.
*
* GSN is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GSN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GSN. If not, see <http://www.gnu.org/licenses/>.
*
* File: src/ch/epfl/gsn/wrappers/ieee1451/TedsToVirtualSensor.java
*
* @author Ali Salehi
*
*/
package ch.epfl.gsn.wrappers.ieee1451;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import org.antlr.stringtemplate.StringTemplate;
import org.antlr.stringtemplate.StringTemplateGroup;
import org.slf4j.LoggerFactory;
import ch.epfl.gsn.Main;
import org.slf4j.Logger;
public class TedsToVirtualSensor {
private final Logger logger = LoggerFactory.getLogger( TedsToVirtualSensor.class );
/*
* The directory in which the Virtual Sensor Template files are present.
*/
public String templateDir;
/*
* The Virtual Sensor template file. The template files are usually of the
* form "filename.st" Here you have to specify the just the "filename"
* without any extension
*/
public String templatefile;
/*
* The directory in which the generated Virtual Sensor file should be stored.
*/
public static final String TARGET_VS_DIR = ( Main.DEFAULT_VIRTUAL_SENSOR_FOLDER + "/" );
/*
* This function generates the virtual sensor file from the TEDS input.
*/
StringTemplate vstmp;
public TedsToVirtualSensor ( String templateDir , String templateFile ) {
this.templateDir = templateDir;
this.templatefile = templateFile;
StringTemplateGroup grp = new StringTemplateGroup( "myGroup" , templateDir );
vstmp = grp.getInstanceOf( templateFile );
}
public synchronized TedsToVSResult GenerateVSfromTEDS ( TEDS sensorTEDS ) {
Channel ch0 = new Channel( );
vstmp.reset( );
try {
// Channel0 metadata
ArgArray r = sensorTEDS.GetChannel( 0 );
ch0.name = r.get( MeasAttr.NAME ).toString( );
ch0.description = r.get( MeasAttr.DESCRIPTION ).toString( );
ch0.location = r.get( MeasAttr.LOCATION ).toString( );
ch0.author = r.get( MeasAttr.MANUFACTURER ).toString( );
ch0.email = "auto-detect-ch.epfl.gsn@epfl.ch";
ch0.NumberOfChannels = Integer.parseInt( r.get( MeasAttr.NUMBER_OF_CHANNELS ).toString( ) );
if ( r.get( MeasAttr.IP ) == null ) ch0.IP = "localhost";
else
ch0.IP = r.get( MeasAttr.IP ).toString( );
vstmp.setAttribute( "CH0" , ch0 );
// Other Channels metadata
for ( int i = 1 ; i < sensorTEDS.NumberOfChannels( ) ; i++ ) {
r = sensorTEDS.GetChannel( i );
Channel ch = new Channel( );
ch.key = i;
ch.name = r.get( MeasAttr.NAME ).toString( );
ch.type = r.get( MeasAttr.DATA_TYPE ).toString( );
ch.description = r.get( MeasAttr.DESCRIPTION ).toString( );
vstmp.setAttribute( "FIELD" , ch );
}
// System.out.println(vstmp.toString());
PrintWriter result = null; // Character output stream for writing data.
try {
// Writing the xml string generated from template file to the VS
// xml file
File outputF = new File( TARGET_VS_DIR + ch0.name + ".xml");
if (!outputF.isFile( ))
outputF.createNewFile( );
outputF.deleteOnExit( );
result = new PrintWriter( new FileWriter( outputF ) );
result.println( vstmp.toString( ) );
} catch ( Exception e ) {
// Some problem reading the data from the input file.
logger.warn( "Error in generating the VirtualSensor File.",e );
return new TedsToVSResult( -1 ); // End the program.
} finally {
// Finish by closing the files,
// whatever else may have happened.
if (result!=null)
result.close( );
}
} catch ( Exception e ) {
e.printStackTrace( );
return new TedsToVSResult( -1 ); // End the program.
}
return new TedsToVSResult( ch0.name + ".xml" , 0 , sensorTEDS.toHtmlString( ) , ch0.name );
}
/*
* This function generates the virtual sensor file from the TEDS input.
*/
public synchronized int GenerateVSfromTEDS_OLD ( TEDS sensorTEDS ) {
vstmp.reset( );
try {
ArgArray r = sensorTEDS.GetChannel( 0 );
Channel ch0 = new Channel( );
ch0.name = r.get( MeasAttr.NAME ).toString( );
ch0.description = r.get( MeasAttr.DESCRIPTION ).toString( );
ch0.location = r.get( MeasAttr.LOCATION ).toString( );
ch0.author = r.get( MeasAttr.MANUFACTURER ).toString( );
ch0.email = "auto-detect-ch.epfl.gsn@epfl.ch";
ch0.NumberOfChannels = Integer.parseInt( r.get( MeasAttr.NUMBER_OF_CHANNELS ).toString( ) );
vstmp.setAttribute( "CH0" , ch0 );
for ( int i = 1 ; i < sensorTEDS.NumberOfChannels( ) ; i++ ) {
r = sensorTEDS.GetChannel( i );
Channel ch = new Channel( );
ch.key = i;
ch.name = r.get( MeasAttr.NAME ).toString( );
ch.type = r.get( MeasAttr.DATA_TYPE ).toString( );
ch.description = r.get( MeasAttr.DESCRIPTION ).toString( );
vstmp.setAttribute( "FIELD" , ch );
}
System.out.println( vstmp.toString( ) );
PrintWriter result; // Character output stream for writing data.
try { // Create the output stream.
result = new PrintWriter( new FileWriter( TARGET_VS_DIR + ch0.name + ".xml" ) );
} catch ( IOException e ) {
System.out.println( "Error in VS File operation." );
System.out.println( e.toString( ) );
return -1; // End the program.
}
try {
// Writing the xml string generated from template file to the VS
// xml file
result.println( vstmp.toString( ) );
} catch ( Exception e ) {
// Some problem reading the data from the input file.
System.out.println( "Error in generating the VirtualSensor File;" + e.getMessage( ) );
return -1;
} finally {
// Finish by closing the files,
// whatever else may have happened.
result.close( );
}
} catch ( Exception e ) {
// TODO Auto-generated catch block
e.printStackTrace( );
return -1;
}
return 0;
}
public TedsToVSResult GenerateVS ( ) {
Object teds[][][] = {
// chan0 - meta data about the TIM itself
{ { MeasAttr.NAME , "SampleTEDSOne" } , { MeasAttr.DESCRIPTION , "A Simple TEDS" } , { MeasAttr.VERSION , "1.0" } , { MeasAttr.LOCATION , "INM 035" } ,
{ MeasAttr.NUMBER_OF_CHANNELS , "2" } , { MeasAttr.MANUFACTURER , "GSN-Mica2-Network" } , { MeasAttr.METADATA_ID , "Channel 0" } } ,
// chan1
{ { MeasAttr.NAME , "DATA" } , { MeasAttr.DESCRIPTION , "Temperature value" } , { MeasAttr.UNITS , "Celcius" } , { MeasAttr.DATA_TYPE , "integer" } ,
{ MeasAttr.METADATA_ID , "Channel 1" } } ,
// chan2
{ { MeasAttr.NAME , "Light" } , { MeasAttr.DESCRIPTION , "Light value" } , { MeasAttr.UNITS , "lumens" } , { MeasAttr.DATA_TYPE , "double" } , { MeasAttr.METADATA_ID , "Channel 2" } } ,
};
TEDS sensorTEDS = new TEDS( teds );
// int i = GenerateVSfromTEDS(sensorTEDS);
TedsToVSResult res = GenerateVSfromTEDS( sensorTEDS );
if ( res.status == TedsToVSResult.ERROR ) {
System.out.println( "**Error** in creating TEDS-VS. Check for TedsToVirtualSensor.java File" );
} else {
System.out.println( "TEDS-VS generated Successfully" );
}
return res;
}
public TedsToVSResult GenerateVS ( Object teds[][][] ) {
TEDS sensorTEDS = new TEDS( teds );
// int i = GenerateVSfromTEDS(sensorTEDS);
TedsToVSResult res = GenerateVSfromTEDS( sensorTEDS );
if ( res.status == TedsToVSResult.ERROR ) {
System.out.println( "**Error** in creating TEDS-VS. Check for TedsToVirtualSensor.java File" );
} else {
System.out.println( "TEDS-VS generated Successfully" );
}
return res;
}
public TedsToVSResult GenerateVS ( TEDS sensorTEDS ) {
// int i = GenerateVSfromTEDS(sensorTEDS);
TedsToVSResult res = GenerateVSfromTEDS( sensorTEDS );
if ( res.status == TedsToVSResult.ERROR ) {
System.out.println( "**Error** in creating TEDS-VS. Check for TedsToVirtualSensor.java File" );
} else {
System.out.println( "TEDS-VS generated Successfully" );
}
return res;
}
public TedsToVSResult getTedsToVSResult ( TEDS sensorTEDS ) {
String fileName = sensorTEDS.GetChannel( 0 ).get( MeasAttr.NAME ).toString( );
return new TedsToVSResult( fileName + ".xml" , 0 , sensorTEDS.toHtmlString( ) , fileName );
}
public TEDS GenerateVS_OLD ( Object teds[][][] ) {
TEDS sensorTEDS = new TEDS( teds );
// int i = GenerateVSfromTEDS(sensorTEDS);
TedsToVSResult res = GenerateVSfromTEDS( sensorTEDS );
if ( res.status == TedsToVSResult.ERROR ) {
System.out.println( "**Error** in creating TEDS-VS. Check for TedsToVirtualSensor.java File" );
} else {
System.out.println( "TEDS-VS generated Successfully" );
}
return sensorTEDS;
}
}
class Channel {
public String name;
public String type;
public String description;
public String location;
public String author;
public String email;
public int key;
public int NumberOfChannels;
public String IP;
public Channel ( ) {
}
public Channel ( String name , String type , String description , String location ) {
this.name = name;
this.type = type;
this.description = name;
this.location = location;
}
}