package org.simantics.maps.elevation.server;

import java.util.concurrent.atomic.AtomicBoolean;

import javax.imageio.spi.IIORegistry;
import javax.imageio.spi.ImageInputStreamSpi;
import javax.imageio.spi.ImageOutputStreamSpi;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

import it.geosolutions.imageio.stream.input.spi.FileImageInputStreamExtImplSpi;
import it.geosolutions.imageio.stream.input.spi.StringImageInputStreamSpi;
import it.geosolutions.imageio.stream.input.spi.URLImageInputStreamSpi;
import it.geosolutions.imageio.stream.output.spi.FileImageOutputStreamExtImplSpi;
import it.geosolutions.imageio.stream.output.spi.StringImageOutputStreamSpi;
import it.geosolutions.imageio.stream.output.spi.URLImageOutputStreamSpi;

public class Activator implements BundleActivator {
    
    private static AtomicBoolean registered = new AtomicBoolean(false);

    public static final String PLUGIN_ID = "org.simantics.maps.elevation.server";

    @Override
    public void start(BundleContext context) throws Exception {
        // register SPI's
        registerSpis();
    }
    
    public static void registerSpis() {
        if (!registered.getAndSet(true)) {
            IIORegistry.getDefaultInstance().registerServiceProvider(new FileImageInputStreamExtImplSpi(), ImageInputStreamSpi.class);
            IIORegistry.getDefaultInstance().registerServiceProvider(new URLImageInputStreamSpi(), ImageInputStreamSpi.class);
            IIORegistry.getDefaultInstance().registerServiceProvider(new StringImageInputStreamSpi(), ImageInputStreamSpi.class);
            IIORegistry.getDefaultInstance().registerServiceProvider(new FileImageOutputStreamExtImplSpi(), ImageOutputStreamSpi.class);
            IIORegistry.getDefaultInstance().registerServiceProvider(new URLImageOutputStreamSpi(), ImageOutputStreamSpi.class);
            IIORegistry.getDefaultInstance().registerServiceProvider(new StringImageOutputStreamSpi(), ImageOutputStreamSpi.class);
        }
    }

    @Override
    public void stop(BundleContext context) throws Exception {
        
    }

}