From cd489318924935fb2ca6a3e1a41559da1cf6adb5 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 14 Feb 2016 11:05:26 +0000
Subject: Split out DocumentConverter

---
 .../org/zwobble/mammoth/DocumentConverter.java     | 95 ++++++++++++++++++++++
 src/main/java/org/zwobble/mammoth/Mammoth.java     | 91 +--------------------
 2 files changed, 96 insertions(+), 90 deletions(-)
 create mode 100644 src/main/java/org/zwobble/mammoth/DocumentConverter.java

(limited to 'src/main/java/org')

diff --git a/src/main/java/org/zwobble/mammoth/DocumentConverter.java b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
new file mode 100644
index 0000000..7c0a47f
--- /dev/null
+++ b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
@@ -0,0 +1,95 @@
+package org.zwobble.mammoth;
+
+import org.zwobble.mammoth.documents.*;
+import org.zwobble.mammoth.html.Html;
+import org.zwobble.mammoth.html.HtmlNode;
+
+import java.util.List;
+
+import static org.zwobble.mammoth.util.MammothLists.eagerFlatMap;
+import static org.zwobble.mammoth.util.MammothLists.list;
+
+public class DocumentConverter {
+    public static List<HtmlNode> convertToHtml(Document document) {
+        return convertChildrenToHtml(document);
+    }
+
+    private static List<HtmlNode> convertChildrenToHtml(HasChildren element) {
+        return eagerFlatMap(
+            element.getChildren(),
+            DocumentConverter::convertToHtml);
+    }
+
+    private static List<HtmlNode> convertToHtml(DocumentElement element) {
+        return element.accept(new DocumentElementVisitor<List<HtmlNode>>() {
+            @Override
+            public List<HtmlNode> visit(Paragraph paragraph) {
+                List<HtmlNode> content = convertChildrenToHtml(paragraph);
+                if (content.isEmpty()) {
+                    return list();
+                } else {
+                    return list(Html.element("p", content));
+                }
+            }
+
+            @Override
+            public List<HtmlNode> visit(Run run) {
+                return convertChildrenToHtml(run);
+            }
+
+            @Override
+            public List<HtmlNode> visit(Text text) {
+                if (text.getValue().isEmpty()) {
+                    return list();
+                } else {
+                    return list(Html.text(text.getValue()));
+                }
+            }
+
+            @Override
+            public List<HtmlNode> visit(Tab tab) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(LineBreak lineBreak) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(Table table) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(TableRow tableRow) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(TableCell tableCell) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(Hyperlink hyperlink) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(Bookmark bookmark) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(NoteReference noteReference) {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public List<HtmlNode> visit(Image image) {
+                throw new UnsupportedOperationException();
+            }
+        });
+    }
+}
diff --git a/src/main/java/org/zwobble/mammoth/Mammoth.java b/src/main/java/org/zwobble/mammoth/Mammoth.java
index 40f2a6e..9da4c14 100644
--- a/src/main/java/org/zwobble/mammoth/Mammoth.java
+++ b/src/main/java/org/zwobble/mammoth/Mammoth.java
@@ -1,21 +1,15 @@
 package org.zwobble.mammoth;
 
-import org.zwobble.mammoth.documents.*;
 import org.zwobble.mammoth.docx.*;
 import org.zwobble.mammoth.html.Html;
-import org.zwobble.mammoth.html.HtmlNode;
 import org.zwobble.mammoth.results.Result;
 import org.zwobble.mammoth.xml.XmlElement;
 
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.List;
 import java.util.zip.ZipFile;
 
-import static org.zwobble.mammoth.util.MammothLists.eagerFlatMap;
-import static org.zwobble.mammoth.util.MammothLists.list;
-
 public class Mammoth {
     public static Result<String> convertToHtml(File file) {
         try (DocxFile zipFile = new ZippedDocxFile(new ZipFile(file))) {
@@ -39,93 +33,10 @@ public class Mammoth {
                 zipFile,
                 fileReader));
             return reader.readElement(documentXml)
-                .map(Mammoth::convertToHtml)
+                .map(DocumentConverter::convertToHtml)
                 .map(Html::write);
         } catch (IOException e) {
             throw new UnsupportedOperationException("Should return a result of failure");   
         }
     }
-
-    private static List<HtmlNode> convertToHtml(Document document) {
-        return convertChildrenToHtml(document);
-    }
-
-    private static List<HtmlNode> convertChildrenToHtml(HasChildren element) {
-        return eagerFlatMap(
-            element.getChildren(),
-            Mammoth::convertToHtml);
-    }
-
-    private static List<HtmlNode> convertToHtml(DocumentElement element) {
-        return element.accept(new DocumentElementVisitor<List<HtmlNode>>() {
-            @Override
-            public List<HtmlNode> visit(Paragraph paragraph) {
-                List<HtmlNode> content = convertChildrenToHtml(paragraph);
-                if (content.isEmpty()) {
-                    return list();
-                } else {
-                    return list(Html.element("p", content));
-                }
-            }
-
-            @Override
-            public List<HtmlNode> visit(Run run) {
-                return convertChildrenToHtml(run);
-            }
-
-            @Override
-            public List<HtmlNode> visit(Text text) {
-                if (text.getValue().isEmpty()) {
-                    return list();
-                } else {
-                    return list(Html.text(text.getValue()));
-                }
-            }
-
-            @Override
-            public List<HtmlNode> visit(Tab tab) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(LineBreak lineBreak) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(Table table) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(TableRow tableRow) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(TableCell tableCell) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(Hyperlink hyperlink) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(Bookmark bookmark) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(NoteReference noteReference) {
-                throw new UnsupportedOperationException();
-            }
-
-            @Override
-            public List<HtmlNode> visit(Image image) {
-                throw new UnsupportedOperationException();
-            }
-        });
-    }
 }
-- 
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