edu.scripps.fl.pubchem.app.results.DownloadCsvStage.java Source code

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Here is the source code for edu.scripps.fl.pubchem.app.results.DownloadCsvStage.java

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/*
 * Copyright 2010 The Scripps Research Institute
 *
 * 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 edu.scripps.fl.pubchem.app.results;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import org.apache.commons.pipeline.StageException;
import org.apache.commons.pipeline.stage.BaseStage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import edu.scripps.fl.pubchem.PubChemFactory;

public class DownloadCsvStage extends BaseStage {

    private static final Logger log = LoggerFactory.getLogger(DownloadCsvStage.class);

    private URL dataUrl;

    public URL getDataUrl() {
        return dataUrl;
    }

    public void setDataUrl(URL dataUrl) {
        this.dataUrl = dataUrl;
    }

    @Override
    public void process(Object obj) throws StageException {
        Integer aid = (Integer) obj;
        try {
            InputStream is = PubChemFactory.getInstance().getCsv(getDataUrl(), aid);
            emit(new Object[] { aid, is });
        } catch (IOException ex) {
            throw new StageException(this, ex);
        }
    }
}