Create internal package

1 files changed, 30 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/docx/ZippedDocxFile.java b/src/main/java/org/zwobble/mammoth/internal/docx/ZippedDocxFile.java
new file mode 100644
index 0000000..d263578
--- /dev/null
+++ b/src/main/java/org/zwobble/mammoth/internal/docx/ZippedDocxFile.java
@@ -0,0 +1,30 @@
+package org.zwobble.mammoth.internal.docx;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Optional;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class ZippedDocxFile implements DocxFile {
+    private final ZipFile zipFile;
+
+    public ZippedDocxFile(ZipFile zipFile) {
+        this.zipFile = zipFile;
+    }
+
+    @Override
+    public Optional<InputStream> tryGetInputStream(String name) throws IOException {
+        ZipEntry entry = zipFile.getEntry(name);
+        if (entry == null) {
+            return Optional.empty();
+        } else {
+            return Optional.of(zipFile.getInputStream(entry));
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        zipFile.close();
+    }
+}