/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.addthis.hydra.job.web.jersey;

import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.ext.Provider;

import com.addthis.basis.kv.KVPairs;

import com.sun.jersey.api.core.HttpContext;
import com.sun.jersey.api.model.Parameter;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.spi.inject.Injectable;
import com.sun.jersey.spi.inject.InjectableProvider;

@Provider
public final class KVPairsProvider implements InjectableProvider<QueryParam, Parameter> {

    @Context
    private final HttpContext hc;

    public KVPairsProvider(@Context HttpContext hc) {
        this.hc = hc;
    }

    @Override
    public ComponentScope getScope() {
        return ComponentScope.PerRequest;
    }

    @Override
    public Injectable<KVPairs> getInjectable(ComponentContext ic, final QueryParam a, final Parameter c) {

        if (KVPairs.class != c.getParameterClass()) {
            return null;
        }
        return new KVPairsInjectable();
    }
}