org.n52.geoar.data.wiki.WikiSource.java Source code

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Here is the source code for org.n52.geoar.data.wiki.WikiSource.java

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/**
 * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
 *
 * 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 org.n52.geoar.data.wiki;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.n52.geoar.newdata.Annotations;
import org.n52.geoar.newdata.Annotations.Settings.Name;
import org.n52.geoar.newdata.Annotations.SharedHttpClient;
import org.n52.geoar.newdata.Annotations.SupportedVisualization;
import org.n52.geoar.newdata.DataSource;
import org.n52.geoar.newdata.SpatialEntity2;

import com.vividsolutions.jts.geom.Geometry;

@Annotations.DataSource(name = @Name("WikiLocation"), cacheZoomLevel = 0, minReloadInterval = -1, description = "Example for a description")
@SupportedVisualization(visualizationClasses = { WikiMapVisualization.class, WikiARVisualization.class })
public class WikiSource implements DataSource<WikiFilter> {

    @SharedHttpClient
    private HttpClient mHttpClient;

    @Override
    public List<? extends SpatialEntity2<? extends Geometry>> getMeasurements(WikiFilter filter) {
        return searchWikilocationRequest(filter);
    }

    @Override
    public boolean isAvailable() {
        return true;
    }

    private List<? extends SpatialEntity2<? extends Geometry>> searchWikilocationRequest(WikiFilter filter) {
        String request = WikiRequest.buildRequest(filter);
        List<WikiResult> resultList = null;
        InputStream content = null;
        try {
            HttpResponse response = mHttpClient.execute(new HttpGet(request));
            content = response.getEntity().getContent();
            resultList = WikiResponse.getWikiresultsFromResponse(content);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return resultList;
    }
}