Support nested objects in auto-sort (#115)

src/main/java/com/askimed/nf/test/lang/channels/ChannelItemComparator.java

@@ -0,0 +1,96 @@
+package com.askimed.nf.test.lang.channels;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.Map;
+
+import com.askimed.nf.test.util.AnsiColors;
+
+public class ChannelItemComparator implements Comparator<Object> {
+
+	@Override
+	@SuppressWarnings("unchecked")
+	public int compare(Object o1, Object o2) {
+
+		if (o1 instanceof ArrayList) {
+			ArrayList<Object> tuple1 = (ArrayList<Object>) o1;
+			ArrayList<Object> tuple2 = (ArrayList<Object>) o2;
+			for (int i = 0; i < tuple1.size(); i++) {
+				Object a = tuple1.get(i);
+				Object b = tuple2.get(i);
+
+				int result = compareObjects(a, b);
+
+				if (result != 0) {
+					return result;
+				}
+
+			}
+		} else {
+			return compareObjects(o1, o2);
+		}
+
+		return 0;
+	}
+
+	@SuppressWarnings("rawtypes")
+	public int compareObjects(Object a, Object b) {
+
+		if (a.getClass() != b.getClass()) {
+			System.err.println(AnsiColors
+					.yellow("\nWarning: Cannot sort channel, order not deterministic. Objects are different types: "
+							+ a.getClass() + " vs. " + b.getClass()));
+			return 1;
+		}
+
+		if (a instanceof String) {
+			if (isPath(a)) {
+				return comparePaths(a.toString(), b.toString());
+			} else {
+				return compareStrings(a.toString(), b.toString());
+			}
+		} else if (isNumber(a)) {
+			return compareNumbers((Comparable) a, (Comparable) b);
+		} else if (a instanceof Map) {
+			return compareMaps((Map) a, (Map) b);
+		} else {
+			System.err.println(AnsiColors
+					.yellow("\nWarning: Cannot sort channel, order not deterministic. Unsupported objects types: "
+							+ a.getClass() + " vs. " + b.getClass()));
+			return 1;
+
+		}
+
+	}
+
+	private boolean isNumber(Object a) {
+		return a instanceof Integer || a instanceof Double || a instanceof Float;
+	}
+
+	private boolean isPath(Object a) {
+		return a.toString().startsWith("/");
+	}
+
+	@SuppressWarnings({ "rawtypes" })
+	private int compareMaps(Map a, Map b) {
+		// since we converted all nested maps to treemaps, toString returns keys sorted in deterministic order.
+		return compareStrings(a.toString(), b.toString());
+	}
+
+	public int comparePaths(String a, String b) {
+		String name1 = new File(a).getName();
+		String name2 = new File(b).getName();
+		return name1.compareTo(name2);
+	}
+
+	public int compareStrings(String a, String b) {
+		return a.compareTo(b);
+	}
+
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	public int compareNumbers(Comparable a, Comparable b) {
+		return a.compareTo(b);
+	}
+
+}

src/main/java/com/askimed/nf/test/lang/channels/Channels.java

@@ -0,0 +1,56 @@
+package com.askimed.nf.test.lang.channels;
+
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+import com.askimed.nf.test.util.AnsiText;
+import com.askimed.nf.test.util.MapUtil;
+
+import groovy.json.JsonOutput;
+import groovy.json.JsonSlurper;
+
+public class Channels extends TreeMap<Object, Object> {
+
+	private static final String OUTPUT_CHANNEL_PREFIX = "output_";
+
+	private static final long serialVersionUID = 1L;
+
+	public void loadFromFolder(File folder, boolean autoSort) {
+		for (File file : folder.listFiles()) {
+			if (file.getName().startsWith(OUTPUT_CHANNEL_PREFIX)) {
+				loadFromFile(file, autoSort);
+			}
+		}
+	}
+
+	@SuppressWarnings("unchecked")
+	public void loadFromFile(File file, boolean autoSort) {
+		JsonSlurper jsonSlurper = new JsonSlurper();
+		Map<String, Object> map = (Map<String, Object>) jsonSlurper.parse(file);
+		//convert map to treemap to sort keys of nested objects
+		map = MapUtil.convertToTreeMap(map);
+		if (autoSort) {
+			for (Object key : map.keySet()) {
+				Object value = map.get(key);
+				List<Object> channel = (List<Object>) value;
+				sortChannel(channel);
+			}
+		}
+		putAll(map);
+	}
+
+	public void view() {
+		System.out.println(AnsiText.padding(JsonOutput.prettyPrint(JsonOutput.toJson(this)), 4));
+	}
+
+	public void sortChannel(List<Object> channel) {
+		channel.sort(new ChannelItemComparator());
+	}
+
+	@Override
+	public Object get(Object key) {
+		return super.get(key.toString());
+	}
+}

src/main/java/com/askimed/nf/test/lang/process/Process.java

@@ -1,10 +1,11 @@
 package com.askimed.nf.test.lang.process;
 
 import com.askimed.nf.test.lang.WorkflowMeta;
+import com.askimed.nf.test.lang.channels.Channels;
 
 public class Process extends WorkflowMeta{
 
-	private ChannelsOutput out = new ChannelsOutput();
+	private Channels out = new Channels();
 
 	private String mapping = "";
 
@@ -22,7 +23,7 @@ public String getMapping() {
 		return mapping;
 	}
 
-	public ChannelsOutput getOut() {
+	public Channels getOut() {
 		return out;
 	}
 

src/main/java/com/askimed/nf/test/lang/workflow/Workflow.java

@@ -3,15 +3,15 @@
 import java.beans.Transient;
 
 import com.askimed.nf.test.lang.WorkflowMeta;
-import com.askimed.nf.test.lang.process.ChannelsOutput;
+import com.askimed.nf.test.lang.channels.Channels;
 
 public class Workflow extends WorkflowMeta {
 
 	private String mapping = "";
 
 	private String name = "workflow";
 
-	private ChannelsOutput out = new ChannelsOutput();
+	private Channels out = new Channels();
 
 	public void setName(String name) {
 		this.name = name;
@@ -26,7 +26,7 @@ public String getMapping() {
 		return mapping;
 	}
 
-	public ChannelsOutput getOut() {
+	public Channels getOut() {
 		return out;
 	}
 

src/main/java/com/askimed/nf/test/util/MapUtil.java

@@ -0,0 +1,46 @@
+package com.askimed.nf.test.util;
+
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.Vector;
+
+public class MapUtil {
+
+	public static TreeMap<String, Object> convertToTreeMap(Map<String, Object> hashMap) {
+		TreeMap<String, Object> treeMap = new TreeMap<>();
+		convertToTreeMap(hashMap, treeMap);
+		return treeMap;
+	}
+
+    @SuppressWarnings("unchecked")
+	private static void convertToTreeMap(Map<String, Object> sourceMap, TreeMap<String, Object> targetMap) {
+		for (Map.Entry<String, Object> entry : sourceMap.entrySet()) {
+			String currentKey = entry.getKey();
+
+			if (entry.getValue() instanceof Map) {
+				// nested map
+				TreeMap<String, Object> nestedTreeMap = new TreeMap<>();
+				targetMap.put(currentKey, nestedTreeMap);
+				convertToTreeMap((Map<String, Object>) entry.getValue(), nestedTreeMap);
+			} else if (entry.getValue() instanceof List) {
+				// and array
+				List<Object> targetList = new Vector<Object>();
+				for (Object item : (List<Object>) entry.getValue()) {
+					// nested map in array
+					if (item instanceof Map) {
+						TreeMap<String, Object> treeMap = new TreeMap<>();
+						convertToTreeMap((Map<String, Object>) item, treeMap);
+						targetList.add(treeMap);
+					} else {
+						targetList.add(item);
+					}
+				}
+				targetMap.put(currentKey, targetList);
+			} else {
+				targetMap.put(currentKey, entry.getValue());
+			}
+		}
+	}
+
+}