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result compression for android service interface

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This commit is contained in:
Arndt Brenschede 2019-07-09 01:15:43 +02:00
parent 9ccdba149f
commit a11941cfad
1 changed files with 26 additions and 1 deletions
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27
brouter-routing-app/src/main/java/btools/routingapp/BRouterService.java
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@ -10,6 +10,8 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.ByteArrayOutputStream;
import java.util.zip.GZIPOutputStream;
import java.util.ArrayList;
import android.app.Service;
@ -18,6 +20,7 @@ import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.util.Base64;
import btools.router.OsmNodeNamed;
public class BRouterService extends Service
@ -73,9 +76,31 @@ public class BRouterService extends Service
return errMsg;
}
boolean canCompress = "true".equals( params.getString( "acceptCompressedResult" ) );
try
{
return worker.getTrackFromParams( params );
String gpxMessage = worker.getTrackFromParams( params );
if ( canCompress && gpxMessage.startsWith( "<" ) )
{
try
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write( "z64".getBytes("UTF-8") ); // marker prefix
OutputStream os = new GZIPOutputStream( baos );
byte[] ab = gpxMessage.getBytes("UTF-8");
gpxMessage = null;
os.write( ab );
ab = null;
os.close();
gpxMessage = Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
return gpxMessage;
}
catch( Exception e )
{
return "error compressing result";
}
}
return gpxMessage;
}
catch (IllegalArgumentException iae)
{