Pass original ByteData to ZipArchive, and make it closable to support try(...)

Author: Col-E

src/main/java/software/coley/llzip/ZipIO.java

@@ -130,7 +130,7 @@ public static ZipArchive read(ByteData data, ZipReaderStrategy strategy) throws
 		if (data.length() < 22)
 			throw new IOException("Not enough bytes to read Central-Directory-File-Header, minimum=22");
 		// Create instance
-		ZipArchive zip = new ZipArchive();
+		ZipArchive zip = new ZipArchive(data);
 		strategy.read(zip, data);
 		return zip;
 	}

src/main/java/software/coley/llzip/format/model/ZipArchive.java

@@ -2,6 +2,7 @@
 
 import software.coley.llzip.util.OffsetComparator;
 
+import java.io.Closeable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Predicate;
@@ -12,8 +13,17 @@
  *
  * @author Matt Coley
  */
-public class ZipArchive {
+public class ZipArchive implements AutoCloseable {
 	private final List<ZipPart> parts = new ArrayList<>();
+	private final Closeable closableBackingResource;
+
+	/**
+	 * @param closableBackingResource
+	 * 		Closable resource backing the zip archive.
+	 */
+	public ZipArchive(Closeable closableBackingResource) {
+		this.closableBackingResource = closableBackingResource;
+	}
 
 	/**
 	 * @return All parts of the zip archive.
@@ -95,6 +105,13 @@ public EndOfCentralDirectory getEnd() {
 				.findFirst().orElse(null);
 	}
 
+	/**
+	 * @return Closable resource backing the zip archive.
+	 */
+	protected Closeable getClosableBackingResource() {
+		return closableBackingResource;
+	}
+
 	@Override
 	public boolean equals(Object o) {
 		if (this == o) return true;
@@ -109,4 +126,10 @@ public boolean equals(Object o) {
 	public int hashCode() {
 		return parts.hashCode();
 	}
+
+	@Override
+	public void close() throws Exception {
+		if (closableBackingResource != null)
+			closableBackingResource.close();
+	}
 }