Read embedded style maps

1 files changed, 23 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/docx/EmbeddedStyleMap.java b/src/main/java/org/zwobble/mammoth/internal/docx/EmbeddedStyleMap.java
new file mode 100644
index 0000000..306ae99
--- /dev/null
+++ b/src/main/java/org/zwobble/mammoth/internal/docx/EmbeddedStyleMap.java
@@ -0,0 +1,23 @@
+package org.zwobble.mammoth.internal.docx;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+public class EmbeddedStyleMap {
+    private static final String PATH = "mammoth/style-map";
+
+    public static Optional<String> readStyleMap(DocxFile file) throws IOException {
+        return file.tryGetInputStream(PATH)
+            .map(inputStream -> readInputStream(inputStream));
+    }
+
+    private static String readInputStream(InputStream inputStream) {
+        return new BufferedReader(new InputStreamReader(inputStream))
+            .lines()
+            .collect(Collectors.joining("\n"));
+    }
+}