formatting for compressed data tree

common/src/main/java/common/tags/Tag.java

@@ -8,8 +8,12 @@ abstract class Tag {
 	abstract void write(DataOutput output) throws IOException;
 	abstract void read(DataInput input, int depth, SizeTracker tracker) throws IOException;
 	public abstract String toString();
-	protected abstract TagType getType();
+	abstract TagType getType();
 	public abstract Tag copy();
+	
+	String toString(int indent, int depth) {
+		return this.toString();
+	}
 
 	public boolean equals(Object other) {
 		return other instanceof Tag && this.getType() == ((Tag)other).getType();

common/src/main/java/common/tags/TagBool.java

@@ -23,7 +23,7 @@ class TagBool extends Tag {
 		this.data = input.readBoolean();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.BOOLEAN;
 	}
 

common/src/main/java/common/tags/TagByte.java

@@ -23,7 +23,7 @@ class TagByte extends Tag {
 		this.data = input.readByte();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.BYTE;
 	}
 

common/src/main/java/common/tags/TagByteArray.java

@@ -28,7 +28,7 @@ class TagByteArray extends Tag {
 		input.readFully(this.data);
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.BYTE_ARRAY;
 	}
 

common/src/main/java/common/tags/TagChar.java

@@ -23,7 +23,7 @@ class TagChar extends Tag {
 		this.data = input.readChar();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.CHAR;
 	}
 

common/src/main/java/common/tags/TagDouble.java

@@ -23,7 +23,7 @@ class TagDouble extends Tag {
 		this.data = input.readDouble();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.DOUBLE;
 	}
 

common/src/main/java/common/tags/TagFloat.java

@@ -23,7 +23,7 @@ class TagFloat extends Tag {
 		this.data = input.readFloat();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.FLOAT;
 	}
 

common/src/main/java/common/tags/TagInt.java

@@ -23,7 +23,7 @@ class TagInt extends Tag {
 		this.data = input.readInt();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.INT;
 	}
 

common/src/main/java/common/tags/TagIntArray.java

@@ -32,7 +32,7 @@ class TagIntArray extends Tag {
 		}
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.INT_ARRAY;
 	}
 

common/src/main/java/common/tags/TagList.java

@@ -5,6 +5,7 @@ import java.io.DataOutput;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import common.util.Util;
 
 class TagList extends Tag {
 	private List<TagObject> list;
@@ -37,7 +38,7 @@ class TagList extends Tag {
 		}
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.LIST;
 	}
 
@@ -46,11 +47,22 @@ class TagList extends Tag {
 		for(int z = 0; z < this.list.size(); z++) {
 			if(z != 0)
 				sb.append(',');
-			sb.append(z).append(':').append(this.list.get(z));
+			sb.append(this.list.get(z).toString());
 		}
 		return sb.append(']').toString();
 	}
 
+	String toString(int indent, int depth) {
+		StringBuilder sb = new StringBuilder("[");
+		String prefix = Util.repeatString(' ', indent * (depth + 1));
+		for(int z = 0; z < this.list.size(); z++) {
+			if(z != 0)
+				sb.append(',');
+			sb.append('\n').append(prefix).append(this.list.get(z).toString(indent, depth + 1));
+		}
+		return sb.append('\n').append(Util.repeatString(' ', indent * depth)).append('}').toString();
+	}
+
 	public Tag copy() {
 		TagList list = new TagList(new ArrayList<TagObject>(this.list.size()));
 		for(TagObject tag : this.list) {

common/src/main/java/common/tags/TagLong.java

@@ -23,7 +23,7 @@ class TagLong extends Tag {
 		this.data = input.readLong();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.LONG;
 	}
 

common/src/main/java/common/tags/TagObject.java

@@ -10,14 +10,18 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
 import common.collect.Lists;
 import common.collect.Maps;
+import common.util.Util;
 
 import java.util.Set;
+import java.util.function.Function;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
@@ -60,7 +64,7 @@ public class TagObject extends Tag {
 		return this.tags.keySet();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.OBJECT;
 	}
 
@@ -248,17 +252,39 @@ public class TagObject extends Tag {
 	public void remove(String key) {
 		this.tags.remove(key);
 	}
+	
+	private List<Entry<String, Tag>> getSortedEntries() {
+		List<Entry<String, Tag>> list = Lists.newArrayList(this.tags.entrySet());
+		Collections.sort(list, (e1, e2) -> e1.getValue().getType() == TagType.OBJECT && e2.getValue().getType() != TagType.OBJECT ? 1 : (
+				e2.getValue().getType() == TagType.OBJECT && e1.getValue().getType() != TagType.OBJECT ? -1 : (
+				(e1.getValue().getType() == TagType.LIST || e1.getValue().getType() == TagType.STRING_ARRAY) && 
+				e2.getValue().getType() != TagType.LIST && e2.getValue().getType() != TagType.STRING_ARRAY ? 1 : (
+				(e2.getValue().getType() == TagType.LIST || e2.getValue().getType() == TagType.STRING_ARRAY) && 
+				e1.getValue().getType() != TagType.LIST && e1.getValue().getType() != TagType.STRING_ARRAY ? -1 : e1.getKey().compareTo(e2.getKey())))));
+		return list;
+	}
 
 	public String toString() {
 		StringBuilder sb = new StringBuilder("{");
-		for(Entry<String, Tag> entry : this.tags.entrySet()) {
+		for(Entry<String, Tag> entry : this.getSortedEntries()) {
 			if(sb.length() != 1)
 				sb.append(',');
-			sb.append(entry.getKey()).append(':').append(entry.getValue());
+			sb.append(entry.getKey()).append(':').append(entry.getValue().toString());
 		}
 		return sb.append('}').toString();
 	}
 
+	String toString(int indent, int depth) {
+		StringBuilder sb = new StringBuilder("{");
+		String prefix = Util.repeatString(' ', indent * (depth + 1));
+		for(Entry<String, Tag> entry : this.getSortedEntries()) {
+			if(sb.length() != 1)
+				sb.append(',');
+			sb.append('\n').append(prefix).append(entry.getKey()).append(": ").append(entry.getValue().toString(indent, depth + 1));
+		}
+		return sb.append('\n').append(Util.repeatString(' ', indent * depth)).append('}').toString();
+	}
+
 	public boolean isEmpty() {
 		return this.tags.isEmpty();
 	}
@@ -301,6 +327,10 @@ public class TagObject extends Tag {
 			}
 		}
 	}
+	
+	public String format(int indent) {
+		return indent == 0 ? this.toString() : this.toString(indent, 0);
+	}
 
 	public static void write(TagObject tag, DataOutput out) throws IOException {
 		tag.write(out);

common/src/main/java/common/tags/TagShort.java

@@ -23,7 +23,7 @@ class TagShort extends Tag {
 		this.data = input.readShort();
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.SHORT;
 	}
 

common/src/main/java/common/tags/TagString.java

@@ -27,7 +27,7 @@ class TagString extends Tag {
 		tracker.read(2 * this.data.length());
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.STRING;
 	}
 

common/src/main/java/common/tags/TagStringArray.java

@@ -5,6 +5,8 @@ import java.io.DataOutput;
 import java.io.IOException;
 import java.util.Arrays;
 
+import common.util.Util;
+
 class TagStringArray extends Tag {
 	private String[] data;
 
@@ -32,7 +34,7 @@ class TagStringArray extends Tag {
 		}
 	}
 
-	protected TagType getType() {
+	TagType getType() {
 		return TagType.STRING_ARRAY;
 	}
 
@@ -46,6 +48,17 @@ class TagStringArray extends Tag {
 		return sb.append("]").toString();
 	}
 
+	String toString(int indent, int depth) {
+		StringBuilder sb = new StringBuilder("[");
+		String prefix = Util.repeatString(' ', indent * (depth + 1));
+		for(int z = 0; z < this.data.length; z++) {
+			if(z != 0)
+				sb.append(',');
+			sb.append('\n').append(prefix).append("\"" + this.data[z].replace("\"", "\\\"") + "\"");
+		}
+		return sb.append('\n').append(Util.repeatString(' ', indent * depth)).append("]").toString();
+	}
+
 	public Tag copy() {
 		String[] data = new String[this.data.length];
 		System.arraycopy(this.data, 0, data, 0, this.data.length);