From 6181e50cc197f5f9a71374efe256410e1eceffe3 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Tue, 16 Feb 2016 22:01:46 +0000
Subject: Wire up style reading

---
 src/main/java/org/zwobble/mammoth/docx/DocxFile.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/zwobble/mammoth/docx/DocxFile.java')

diff --git a/src/main/java/org/zwobble/mammoth/docx/DocxFile.java b/src/main/java/org/zwobble/mammoth/docx/DocxFile.java
index b05ee1f..0ef8c23 100644
--- a/src/main/java/org/zwobble/mammoth/docx/DocxFile.java
+++ b/src/main/java/org/zwobble/mammoth/docx/DocxFile.java
@@ -3,7 +3,13 @@ package org.zwobble.mammoth.docx;
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Optional;
 
 public interface DocxFile extends Closeable {
-    InputStream getInputStream(String name) throws IOException;
+    static InputStream getInputStream(DocxFile file, String name) throws IOException {
+        return file.tryGetInputStream(name)
+            .orElseThrow(() -> new IOException("Missing entry in file: " + name));
+    }
+
+    Optional<InputStream> tryGetInputStream(String name) throws IOException;
 }
-- 
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