Add write support for GroupIconDirectory and its entries (#30)

src/main/java/com/kichik/pecoff4j/resources/GroupIconDirectory.java

@@ -10,31 +10,45 @@
 package com.kichik.pecoff4j.resources;
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 
 import com.kichik.pecoff4j.io.DataReader;
 import com.kichik.pecoff4j.io.IDataReader;
+import com.kichik.pecoff4j.io.IDataWriter;
 import com.kichik.pecoff4j.util.Reflection;
 
 public class GroupIconDirectory {
 	private int reserved;
 	private int type;
-	private int count;
-	private GroupIconDirectoryEntry[] entries;
+	private List<GroupIconDirectoryEntry> entries = new ArrayList<>();
 
 	public int getReserved() {
 		return reserved;
 	}
 
+	public void setReserved(int reserved) {
+		this.reserved = reserved;
+	}
+
 	public int getType() {
 		return type;
 	}
 
+	public void setType(int type) {
+		this.type = type;
+	}
+
 	public int getCount() {
-		return count;
+		return entries.size();
 	}
 
 	public GroupIconDirectoryEntry getEntry(int index) {
-		return entries[index];
+		return entries.get(index);
+	}
+
+	public List<GroupIconDirectoryEntry> getEntries() {
+		return entries;
 	}
 
 	@Override
@@ -50,12 +64,20 @@ public static GroupIconDirectory read(IDataReader dr) throws IOException {
 		GroupIconDirectory gi = new GroupIconDirectory();
 		gi.reserved = dr.readWord();
 		gi.type = dr.readWord();
-		gi.count = dr.readWord();
-		gi.entries = new GroupIconDirectoryEntry[gi.count];
-		for (int i = 0; i < gi.count; i++) {
-			gi.entries[i] = GroupIconDirectoryEntry.read(dr);
+		int count = dr.readWord();
+		for (int i = 0; i < count; i++) {
+			gi.entries.add(GroupIconDirectoryEntry.read(dr));
 		}
 
 		return gi;
 	}
+
+	public void write(IDataWriter dw) throws IOException {
+		dw.writeWord(reserved);
+		dw.writeWord(type);
+		dw.writeWord(entries.size());
+		for (GroupIconDirectoryEntry entry : entries) {
+			entry.write(dw);
+		}
+	}
 }

src/main/java/com/kichik/pecoff4j/resources/GroupIconDirectoryEntry.java

@@ -12,6 +12,7 @@
 import java.io.IOException;
 
 import com.kichik.pecoff4j.io.IDataReader;
+import com.kichik.pecoff4j.io.IDataWriter;
 import com.kichik.pecoff4j.util.Reflection;
 
 public class GroupIconDirectoryEntry {
@@ -48,35 +49,74 @@ public int getWidth() {
 		return width;
 	}
 
-	public int getHeight() {
+	public void setWidth(int width) {
+		this.width = width;
+	}
+
+	public int getHeight(){
 		return height;
 	}
 
+	public void setHeight(int height) {
+		this.height = height;
+	}
+
 	public int getColorCount() {
 		return colorCount;
 	}
 
+	public void setColorCount(int colorCount) {
+		this.colorCount = colorCount;
+	}
+
 	public int getReserved() {
 		return reserved;
 	}
 
+	public void setReserved(int reserved) {
+		this.reserved = reserved;
+	}
+
 	public int getPlanes() {
 		return planes;
 	}
 
+	public void setPlanes(int planes) {
+		this.planes = planes;
+	}
+
 	public int getBitCount() {
 		return bitCount;
 	}
 
+	public void setBitCount(int bitCount) {
+		this.bitCount = bitCount;
+	}
+
 	public int getBytesInRes() {
 		return bytesInRes;
 	}
 
+	public void setBytesInRes(int bytesInRes) {
+		this.bytesInRes = bytesInRes;
+	}
+
 	public int getId() {
 		return id;
 	}
 
 	public void setId(int id) {
 		this.id = id;
 	}
+
+	public void write(IDataWriter dw) throws IOException {
+		dw.writeByte(width);
+		dw.writeByte(height);
+		dw.writeByte(colorCount);
+		dw.writeByte(reserved);
+		dw.writeWord(planes);
+		dw.writeWord(bitCount);
+		dw.writeDoubleWord(bytesInRes);
+		dw.writeWord(id);
+	}
 }