IconSetResource.java

/**
 * Copyright (c) 2014-2017 by the respective copyright holders.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.eclipse.smarthome.ui.icon.internal;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;

import org.eclipse.smarthome.io.rest.LocaleUtil;
import org.eclipse.smarthome.io.rest.RESTResource;
import org.eclipse.smarthome.ui.icon.IconProvider;
import org.eclipse.smarthome.ui.icon.IconSet;

/**
 * This is a REST resource that provides information about available icon sets.
 *
 * @author Kai Kreuzer - Initial contribution
 */
@Path("iconsets")
public class IconSetResource implements RESTResource {

    private List<IconProvider> iconProviders = new ArrayList<>(5);

    protected void addIconProvider(IconProvider iconProvider) {
        this.iconProviders.add(iconProvider);
    }

    protected void removeIconProvider(IconProvider iconProvider) {
        this.iconProviders.remove(iconProvider);
    }

    @Context
    UriInfo uriInfo;

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Response getAll(@HeaderParam("Accept-Language") String language) {
        Locale locale = LocaleUtil.getLocale(language);

        List<IconSet> iconSets = new ArrayList<>(iconProviders.size());
        for (IconProvider iconProvider : iconProviders) {
            iconSets.addAll(iconProvider.getIconSets(locale));
        }
        return Response.ok(iconSets).build();
    }

}