Helper functions that can be used a tMap to merge multiple address lines into a single line.

talend-merge-address-lines.java

package routines;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Random;

public class MyHelper {

    /**
     * mergeAddressLines: return String.
     * 
     * 
     * {talendTypes} String
     * 
     * {Category} User Defined
     * 
     * {param} string(", ") input: The string that separates the lines.
     * {param} string("1 Wickham St") input: A variable number of arguments for the Address Lines to be merged.
     * 
     * {example} mergeAddressLines() # "PO Box 1167".
     */
    public static String mergeAddressLines(String separator, String... lines) {
    	if (lines.length <= 0) return "";
    	List<String> concat = new ArrayList<String>();
    	
    	for (String line : lines) {
    		if (line != null) {
    			line = line.trim();
    			if (line.length() > 0) {
    				concat.add(line);
    			}
    		}
    	}
    	
    	if (concat.size() == 0) return "";
    	
    	return String.join(separator, concat);
    }



    /**
     * generateBadAddresses: return String or null.
     * 
     * 
     * {talendTypes} String
     * 
     * {Category} User Defined
     * 
     * {example} generateBadAddresses() # "PO Box 1167 null null".
     */
    public static String generateBadAddresses() {
    	List<String> testAddresses = new ArrayList<String>();
    	testAddresses.add("PO Box 1167");
    	testAddresses.add("1/1 Wickham St");
    	testAddresses.add(null);
    	testAddresses.add("1 Pilkington Street");
    	testAddresses.add("5 Lyons ct");
    	testAddresses.add("17 Tasman Circuit");
    	testAddresses.add(" ");
    	
    	Random rand = new Random(); 
    	return testAddresses.get(rand.nextInt(testAddresses.size()));
    }
}