com.ibm.watson.developer_cloud.alchemy_data_news.v1.GetNewsDocumentExample.java Source code

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Here is the source code for com.ibm.watson.developer_cloud.alchemy_data_news.v1.GetNewsDocumentExample.java

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/**
 * Copyright 2015 IBM Corp. All Rights Reserved.
 *
 * 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.ibm.watson.developer_cloud.alchemy_data_news.v1;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;

import com.ibm.watson.developer_cloud.alchemy.v1.AlchemyDataNews;
import com.ibm.watson.developer_cloud.alchemy.v1.model.DocumentsResult;

/**
 * Getting 7 documents between Friday 28th August 2015 and Friday 4th September 2015 using the
 * {@link AlchemyDataNews} API.
 * 
 * Example from java-sdk: https://github.com/watson-developer-cloud/java-sdk
 */
public class GetNewsDocumentExample {

    public static void main(String[] args) {
        AlchemyDataNews service = new AlchemyDataNews();
        service.setApiKey("<api_key>");

        Map<String, Object> params = new HashMap<String, Object>();

        String[] fields = new String[] { "enriched.url.title", "enriched.url.url", "enriched.url.author",
                "enriched.url.publicationDate", "enriched.url.enrichedTitle.entities",
                "enriched.url.enrichedTitle.docSentiment" };
        params.put(AlchemyDataNews.RETURN, StringUtils.join(fields, ","));
        params.put(AlchemyDataNews.START, "1440720000");
        params.put(AlchemyDataNews.END, "1441407600");
        params.put(AlchemyDataNews.COUNT, 7);

        //Query on adjacent nested fields: 
        params.put("q.enriched.url.enrichedTitle.entities.entity", "|text=IBM,type=company|");
        params.put("q.enriched.url.enrichedTitle.docSentiment.type", "positive");
        params.put("q.enriched.url.enrichedTitle.taxonomy.taxonomy_.label", "technology and computing");

        DocumentsResult result = service.getNewsDocuments(params).execute();

        System.out.println(result);
    }

}