import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;

import org.apache.log4j.Logger;

import com.appiancorp.services.ServiceContext;
import com.appiancorp.suiteapi.common.ServiceLocator;
import com.appiancorp.suiteapi.content.ContentConstants;
import com.appiancorp.suiteapi.content.ContentService;
import com.appiancorp.suiteapi.expression.annotations.Function;
import com.appiancorp.suiteapi.expression.annotations.Parameter;
import com.appiancorp.suiteapi.knowledge.DocumentDataType;
import com.appiancorp.suiteapi.process.ProcessDesignService;
import com.appiancorp.suiteapi.rules.Constant;
import com.appiancorp.suiteapi.type.AppianType;
import com.appiancorp.suiteapi.type.TypedValue;

@HashingFunctionCategory
public class hashcode {

	private static final Logger LOG = Logger.getLogger(hashcode.class);

	@Function(returnType = AppianType.INTEGER)
	public ArrayList hashcode(ServiceContext sc,
			@Parameter @DocumentDataType Long param0) throws Exception {
		ContentService cs = ServiceLocator.getContentService(sc);
		
		String fileName = cs.getInternalFilename(cs.getVersionId(param0, ContentConstants.VERSION_CURRENT));
		ArrayList<Integer> a=new ArrayList();
		BufferedReader r = new BufferedReader(new FileReader(new File(fileName)));
		String line;

		while ((line = r.readLine()) != null) {
			String fline = line;
			String obj = new String(fline);
			a.add(obj.hashCode());
	}
		r.close();
				return a;
		
	}

}