analytics/sdk/modeling/java/examples/source/AppendFileExample.java

import java.io.IOException;

import com.ibm.bi.platform.modeling.sdk.examples.FileImportHelper;
import com.ibm.bi.platform.modeling.sdk.examples.internal.ModelingHelper;
import com.ibm.bi.platform.modeling.sdk.examples.internal.UnexpectedHTTPResponseException;
import com.ibm.json.java.JSONObject;

/*
 * IBM Confidential
 *
 * OCO Source Materials
 *
 * IBM Cognos Products: Moser
 *
 * (C) Copyright IBM Corp. 2020
 *
 * The source code for this program is not published or otherwise
 * divested of its trade secrets, irrespective of what has been
 * deposited with the U.S. Copyright Office.
*/

/**
 * Append more rows to uploaded file
 *
 */
public class AppendFileExample {

	/**
	 * @param args
	 *            args[0] ca server url origin, e.g. http://localhost:9300/
	 *            args[1] login credentials relative file path
	 *            args[2] store id of the file to be appended to
	 *            args[3] directory containing file relative to current , e.g. "resources/"
	 *            args[4] file to upload name, e.g. "pizza.xlsx"
	 */
	public static void main(String[] args) {

		if (args.length < 5) {
			System.err.println("Correct arguments: origin fileWithCredentials fileStoreId sourceDir filename");
			System.err.println("origin - ca server url origin, e.g. http://localhost:9300/");
			System.err.println("fileWithCredentials - login credentials relative file path");
			System.err.println("fileStoreId - store id of the file to be appended to");
			System.err.println("sourceDir - directory containing file relative to current , e.g. \"resources\"");
			System.err.println("filename - file to upload name, e.g. \"pizza.xlsx\"");
			return;
		}
		
		String origin = args[0];

		try {
			FileImportHelper helper = new FileImportHelper(origin);
			String credentials = ModelingHelper.stringFromFile(args[1]);
			helper.authenticate(credentials);
			String uploadedFileId = args[2], dir = args[3], appendFileName = args[4];

			// Post the file.
			String response = helper.appendFile(uploadedFileId, dir, appendFileName);
			JSONObject json = JSONObject.parse(response);
			String uploadedId = (String) json.get("id");
			System.out.println("File is uploaded : " + uploadedId);
		} catch (UnexpectedHTTPResponseException e) {
			try {
				System.out.println("Response : " + ModelingHelper.httpEntityToString(e.getResponse().getEntity()));
			} catch (IOException io) {
			}
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}