Add minimum set of classes so that SXSSFSheet can be constructed

This avoids exceptions when trying to initialize the Java Font System

This fixes the test-item for issue 89

poishadow/build.gradle

@@ -57,10 +57,13 @@ shadowJar {
 
     // java.awt is not available, but class Color is used in APIs in POI, therefore
     // relocate this class to another one where we can include a rewrite
-    relocate 'java.awt.Color', 'org.apache.poi.java.awt.Color'
+    relocate 'java.awt.font.FontRenderContext', 'org.apache.poi.java.awt.font.FontRenderContext'
+    relocate 'java.awt.font.TextLayout', 'org.apache.poi.java.awt.font.TextLayout'
+    relocate 'java.awt.geom.AffineTransform', 'org.apache.poi.java.awt.geom.AffineTransform'
     relocate 'java.awt.geom.Dimension2D', 'org.apache.poi.java.awt.geom.Dimension2D'
-    relocate 'java.awt.Dimension', 'org.apache.poi.java.awt.Dimension'
     relocate 'java.awt.image.BufferedImage', 'org.apache.poi.java.awt.image.BufferedImage'
+    relocate 'java.awt.Color', 'org.apache.poi.java.awt.Color'
+    relocate 'java.awt.Dimension', 'org.apache.poi.java.awt.Dimension'
 
     relocate 'javax.imageio.ImageIO', 'org.apache.poi.javax.imageio.ImageIO'
     relocate 'javax.imageio.ImageReader', 'org.apache.poi.javax.imageio.ImageReader'

poishadow/src/main/java/org/apache/poi/java/awt/font/FontRenderContext.java

@@ -0,0 +1,11 @@
+package org.apache.poi.java.awt.font;
+
+import java.awt.geom.AffineTransform;
+
+public class FontRenderContext {
+    public FontRenderContext(AffineTransform o, boolean a, boolean b) {
+        //You can't crash here yet! If you do, a static field in SheetUtil will fail to load.
+        //Then next time SheetUtil will have to be accessed, a NoClassDefFoundError("SheetUtil")
+        //will be thrown!
+    }
+}

poishadow/src/main/java/org/apache/poi/java/awt/font/TextLayout.java

@@ -0,0 +1,14 @@
+package org.apache.poi.java.awt.font;
+
+import java.text.AttributedCharacterIterator;
+
+public class TextLayout {
+    public TextLayout(AttributedCharacterIterator iterator, FontRenderContext fontRenderContext) {
+        //This is called in:
+        //SXSSFSheet.java:106
+        //AutoSizeColumnTracker.java:117
+        //SheetUtil.java:353
+        //This tricks SXSSFSheet constructor into not creating AutoSizeColumnTracker.
+        throw new NoClassDefFoundError("X11FontManager");
+    }
+}

poishadow/src/main/java/org/apache/poi/java/awt/geom/AffineTransform.java

@@ -0,0 +1,9 @@
+package org.apache.poi.java.awt.geom;
+
+import java.awt.font.FontRenderContext;
+
+/**
+ * Just an empty class, so we can have a correct {@link FontRenderContext} constructor
+ */
+public class AffineTransform {
+}

poitest/src/main/java/org/dstadler/poiandroidtest/poitest/MainActivity.java

@@ -68,6 +68,8 @@ protected void onCreate(Bundle savedInstanceState) {
 		System.setProperty("org.apache.poi.javax.xml.stream.XMLOutputFactory", "com.fasterxml.aalto.stax.OutputFactoryImpl");
 		System.setProperty("org.apache.poi.javax.xml.stream.XMLEventFactory", "com.fasterxml.aalto.stax.EventFactoryImpl");
 
+		System.setProperty("org.apache.poi.ss.ignoreMissingFontSystem", "true");
+
 		try {
 			// create all the list items
 			setupContent();
@@ -269,7 +271,7 @@ private void setupContent() throws IOException {
 		}));
 
 		// reproducer for https://github.com/centic9/poi-on-android/issues/89
-		DummyContent.addItem(new DummyItemWithCode("c" + (idCount++), "Test Issue 89 - Crashes!!", () -> {
+		DummyContent.addItem(new DummyItemWithCode("c" + (idCount++), "Test Issue 89", () -> {
 			try (OutputStream outputStream = openFileOutput("issue89.xlsx", Context.MODE_PRIVATE)) {
 				TestIssue89.saveExcelFile(outputStream);
 			}