started API clean up

pdf/src/main/java/de/muehlencord/shared/pdf/CellValue.java

@@ -0,0 +1,14 @@
+package de.muehlencord.shared.pdf;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public abstract class CellValue {
+
+    public abstract int getColSize();
+
+    public abstract float getCellPadding();
+    
+
+}

pdf/src/main/java/de/muehlencord/shared/pdf/Content.java

@@ -9,7 +9,7 @@ import org.apache.pdfbox.pdmodel.common.PDRectangle;
  *
  * @author jomu
  */
-public abstract class Content {
+abstract class Content {
 
     protected PDFDocument document;
     protected PDRectangle rect;

pdf/src/main/java/de/muehlencord/shared/pdf/Coordinate.java

@@ -4,7 +4,7 @@ package de.muehlencord.shared.pdf;
  *
  * @author joern.muehlencord
  */
-public class Coordinate {
+class Coordinate {
     
     final float x;
     final float y;

pdf/src/main/java/de/muehlencord/shared/pdf/DefaultTableRow.java

@@ -8,10 +8,13 @@ import java.util.List;
  *
  * @author joern.muehlencord
  */
-public class DefaultTableRow extends TableRow {
+class DefaultTableRow extends TableRow {
 
     @Expose
-    private final List<Text> row;
+    private final List<TextElement> row;
+
+    @Expose
+    private final List<Float> padding;
 
     @Expose
     private Boolean isList;
@@ -22,50 +25,73 @@ public class DefaultTableRow extends TableRow {
     @Expose
     private String varName;
 
-    public DefaultTableRow() {
+    protected DefaultTableRow() {
         this.row = new ArrayList<>();
+        this.padding = new ArrayList<>();
         this.isList = false;
         this.listName = null;
         this.varName = null;
     }
 
+    @Override
+    protected void addColumn(TextElement element) {
+        row.add(element);
+        padding.add(null);
+    }
 
-    public void add(Text text) {
+    @Override
-        row.add(text);
+    protected void addColumn(TextElement element, Float p) {
+        row.add(element);
+        padding.add(p);
     }
 
     /* *** TableRow methods *** */
     @Override
-    public int getColumnCount() {
+    protected int getColumnCount() {
         return row.size();
     }
 
     @Override
-    public Text getColumnValue(int columnPos) {
+    protected String getColumnValue(int columnPos) {
-        return row.get(columnPos);
+        return row.get(columnPos).getText();
     }
 
     @Override
-    public boolean isList() {
+    protected PDFTextAlignment getAlignment(int columnPos) {
+        return row.get(columnPos).getAlign();
+    }
+
+    @Override
+    protected Float getCellPadding(int columnPos) {
+        Float currentPadding = padding.get(columnPos);
+        if (currentPadding  == null) {
+            return 0F;
+        } else {
+            return currentPadding ;
+        }
+    }
+
+    @Override
+    protected boolean isList() {
         return isList;
     }
 
     @Override
-    public void createList(String listName, String varName) {
+    protected DefaultTableRow createList(String listName, String varName) {
         this.listName = listName;
         this.varName = varName;
         this.isList = true;
+        return this;
     }
 
     @Override
-    public String getListName() {
+    protected String getListName() {
         return listName;
     }
 
     @Override
-    public String getVarName() {
+    protected String getVarName() {
         return varName;
     }
 
-
 }

pdf/src/main/java/de/muehlencord/shared/pdf/GsonUtil.java

@@ -7,7 +7,7 @@ import com.google.gson.GsonBuilder;
  *
  * @author jomu
  */
-public class GsonUtil {
+class GsonUtil {
 
     protected final static Gson getGsonInstance() {
         return new GsonBuilder()
@@ -15,6 +15,7 @@ public class GsonUtil {
                 .excludeFieldsWithoutExposeAnnotation()
                 .registerTypeAdapter(Content.class, new InterfaceAdapter<>())
                 .registerTypeAdapter(TableRow.class, new InterfaceAdapter<>())                                
+                .registerTypeAdapter(CellValue.class, new InterfaceAdapter<>()) 
                 .create();
     }
 

pdf/src/main/java/de/muehlencord/shared/pdf/ImageContent.java

@@ -1,105 +0,0 @@
-package de.muehlencord.shared.pdf;
-
-import com.google.gson.annotations.Expose;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-import javax.imageio.ImageIO;
-import org.apache.pdfbox.pdmodel.PDPageContentStream;
-import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
-import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
-
-/**
- *
- * @author joern.muehlencord
- */
-public class ImageContent extends Content {
-
-    @Expose
-    private Float scale = null;
-    @Expose
-    private String base64CodedImage = null;
-    
-    public ImageContent(PDFDocument document, String contentString) throws IOException {
-        super(document);
-        this.base64CodedImage = contentString;
-    }
-    
-
-    public ImageContent(PDFDocument document, File file) throws IOException {
-        super(document);
-        this.base64CodedImage = getEncodedString(ImageIO.read(file));
-    }
-
-    public ImageContent(PDFDocument document, BufferedImage img) throws IOException {
-        super(document);
-        this.base64CodedImage = getEncodedString(img);
-    }
-    
-    public ImageContent(PDFDocument document, Float x, Float y, String contentString) throws IOException {
-        super(document, x, y);
-        this.base64CodedImage = contentString;
-    }    
-
-    public ImageContent(PDFDocument document, Float x, Float y, File file) throws IOException {
-        super(document, x, y);
-        this.base64CodedImage = getEncodedString(ImageIO.read(file));
-    }
-
-    public ImageContent(PDFDocument document, Float x, Float y, BufferedImage img) throws IOException {
-        super(document, x, y);
-        this.base64CodedImage = getEncodedString(img);
-    }
-    
-    public ImageContent(PDFDocument document, Float x, Float y, Float scale, String contentString) throws IOException {
-        super(document, x, y);
-        this.scale = scale;
-        this.base64CodedImage = contentString;
-    }    
-
-    public ImageContent(PDFDocument document, Float x, Float y, Float scale, File file) throws IOException {
-        super(document, x, y);
-        this.scale = scale;
-        this.base64CodedImage = getEncodedString(ImageIO.read(file));
-    }
-
-    public ImageContent(PDFDocument document, Float x, Float y, Float scale, BufferedImage img) throws IOException {
-        super(document, x, y);
-        this.scale = scale;
-        this.base64CodedImage = getEncodedString(img);
-    }
-
-    @Override
-    protected Coordinate addContentToPdf(PDPageContentStream cos) throws IOException, ConfigurationException {
-        BufferedImage image = getImage();
-        PDImageXObject pdImage = LosslessFactory.createFromImage(document.getPdDocument(), image);
-
-        float height = pdImage.getHeight() * getScale();
-        float width = pdImage.getWidth() * getScale();
-        cos.drawImage(pdImage, x, y, width, height);
-        return new Coordinate(x, y - height);
-    }
-
-    private String getEncodedString(BufferedImage img) throws IOException {
-        final ByteArrayOutputStream os = new ByteArrayOutputStream();
-        ImageIO.write(img, "png", Base64.getEncoder().wrap(os));
-        return os.toString(StandardCharsets.UTF_8.name());
-    }
-
-    private BufferedImage getImage() throws IOException {
-        return ImageIO.read(new ByteArrayInputStream(Base64.getDecoder().decode(this.base64CodedImage)));
-    }
-
-    /* *** getter / setter */
-    public Float getScale() {
-        if (scale == null) {
-            return 1F;
-        } else {
-            return scale;
-        }
-    }
-}

pdf/src/main/java/de/muehlencord/shared/pdf/InterfaceAdapter.java

@@ -13,7 +13,7 @@ import com.google.gson.JsonSerializer;
  *
  * @author jomu
  */
-public class InterfaceAdapter<T> implements JsonSerializer<T>, JsonDeserializer<T> {
+class InterfaceAdapter<T> implements JsonSerializer<T>, JsonDeserializer<T> {
 
     @Override
     public final JsonElement serialize(final T object, final Type interfaceType, final JsonSerializationContext context) {

pdf/src/main/java/de/muehlencord/shared/pdf/ListTemplate.java

@@ -4,7 +4,7 @@ package de.muehlencord.shared.pdf;
  *
  * @author joern.muehlencord
  */
-public interface ListTemplate {
+interface ListTemplate {
     
     public void createList (String listName, String varName);
     

pdf/src/main/java/de/muehlencord/shared/pdf/PDFDocument.java

@@ -17,13 +17,13 @@ import org.apache.pdfbox.pdmodel.font.PDType1Font;
 public class PDFDocument {
 
     @Expose
-    private PaperSize paperSize;
+    private PDFPaperSize paperSize;
 
     @Expose
-    protected Font standardFont;
+    protected PDFFont standardFont;
 
     @Expose
-    protected Map<String, Font> fontMap;
+    protected Map<String, PDFFont> fontMap;
 
     @Expose
     private final List<Content> contentList;
@@ -32,7 +32,7 @@ public class PDFDocument {
 
     public PDFDocument() {
         this.contentList = new ArrayList<>();
-        this.standardFont = new Font("Helvetica", 11);
+        this.standardFont = new PDFFont("Helvetica", 11);
         this.fontMap = null;
     }
 
@@ -115,7 +115,7 @@ public class PDFDocument {
         return templateString;
     }
 
-    public void addFont(String name, Font font) {
+    public void addFont(String name, PDFFont font) {
         if (fontMap == null) {
             fontMap = new ConcurrentHashMap<>();
         }
@@ -132,7 +132,7 @@ public class PDFDocument {
         }
     }
 
-    public Font getFontByAlias(String fontAlias) throws ConfigurationException {
+    public PDFFont getFontByAlias(String fontAlias) throws ConfigurationException {
         if ((fontMap != null) && (fontMap.containsKey(fontAlias))) {
             return fontMap.get(fontAlias);
         } else {
@@ -146,19 +146,19 @@ public class PDFDocument {
     }
 
     /* *** getter / setter *** */
-    public PaperSize getPaperSize() {
+    public PDFPaperSize getPaperSize() {
         return paperSize;
     }
 
-    public void setPaperSize(PaperSize paperSize) {
+    public void setPaperSize(PDFPaperSize paperSize) {
         this.paperSize = paperSize;
     }
 
-    public Font getStandardFont() {
+    public PDFFont getStandardFont() {
         return standardFont;
     }
 
-    public void setStandardFont(Font standardFont) {
+    public void setStandardFont(PDFFont standardFont) {
         this.standardFont = standardFont;
     }
 

pdf/src/main/java/de/muehlencord/shared/pdf/PDFElement.java

@@ -1,9 +0,0 @@
-package de.muehlencord.shared.pdf;
-
-/**
- *
- * @author joern.muehlencord
- */
-public class PDFElement {
-    
-}

pdf/src/main/java/de/muehlencord/shared/pdf/PDFFont.java

@@ -6,7 +6,7 @@ import com.google.gson.annotations.Expose;
  *
  * @author jomu
  */
-public class Font {
+public class PDFFont {
     
     @Expose
     private String fontName;
@@ -15,13 +15,13 @@ public class Font {
     @Expose
     private int padding;
 
-    public Font(String fontName, int fontSize) {
+    public PDFFont(String fontName, int fontSize) {
         this.fontName = fontName;
         this.fontSize = fontSize;
         this.padding = 2;
     }
     
-    public Font(String fontName, int fontSize, int padding) {
+    public PDFFont(String fontName, int fontSize, int padding) {
         this.fontName = fontName;
         this.fontSize = fontSize;
         this.padding = padding;

pdf/src/main/java/de/muehlencord/shared/pdf/PDFImageContent.java

@@ -0,0 +1,91 @@
+package de.muehlencord.shared.pdf;
+
+import com.google.gson.annotations.Expose;
+import de.muehlencord.shared.pdf.util.ImageUtil;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import org.apache.pdfbox.pdmodel.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
+import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public class PDFImageContent extends Content {
+
+    @Expose
+    private Float scale = null;
+    @Expose
+    private String base64CodedImage = null;
+
+    public PDFImageContent(PDFDocument document, String contentString) throws IOException {
+        super(document);
+        this.base64CodedImage = contentString;
+    }
+
+    public PDFImageContent(PDFDocument document, File file) throws IOException {
+        super(document);
+        this.base64CodedImage = ImageUtil.getEncodedString(ImageIO.read(file));
+    }
+
+    public PDFImageContent(PDFDocument document, BufferedImage img) throws IOException {
+        super(document);
+        this.base64CodedImage = ImageUtil.getEncodedString(img);
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, String contentString) throws IOException {
+        super(document, x, y);
+        this.base64CodedImage = contentString;
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, File file) throws IOException {
+        super(document, x, y);
+        this.base64CodedImage = ImageUtil.getEncodedString(ImageIO.read(file));
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, BufferedImage img) throws IOException {
+        super(document, x, y);
+        this.base64CodedImage = ImageUtil.getEncodedString(img);
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, Float scale, String contentString) throws IOException {
+        super(document, x, y);
+        this.scale = scale;
+        this.base64CodedImage = contentString;
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, Float scale, File file) throws IOException {
+        super(document, x, y);
+        this.scale = scale;
+        this.base64CodedImage = ImageUtil.getEncodedString(ImageIO.read(file));
+    }
+
+    public PDFImageContent(PDFDocument document, Float x, Float y, Float scale, BufferedImage img) throws IOException {
+        super(document, x, y);
+        this.scale = scale;
+        this.base64CodedImage = ImageUtil.getEncodedString(img);
+    }
+
+    @Override
+    protected Coordinate addContentToPdf(PDPageContentStream cos) throws IOException, ConfigurationException {
+        BufferedImage image = ImageUtil.getImageFromEncodedString(base64CodedImage);
+        PDImageXObject pdImage = LosslessFactory.createFromImage(document.getPdDocument(), image);
+
+        float height = pdImage.getHeight() * getScale();
+        float width = pdImage.getWidth() * getScale();
+        cos.drawImage(pdImage, x, y, width, height);
+        return new Coordinate(x, y - height);
+    }
+
+    /* *** getter / setter */
+    public Float getScale() {
+        if (scale == null) {
+            return 1F;
+        } else {
+            return scale;
+        }
+    }
+}

pdf/src/main/java/de/muehlencord/shared/pdf/PDFPaperSize.java

@@ -9,13 +9,13 @@ package de.muehlencord.shared.pdf;
  *
  * @author jomu
  */
-public enum PaperSize {
+public enum PDFPaperSize {
     
     A4("A4");
     
     private String label;
 
-    private PaperSize(String label) {
+    private PDFPaperSize(String label) {
         this.label = label;
     }
 

pdf/src/main/java/de/muehlencord/shared/pdf/PDFTableContent.java

@@ -4,6 +4,7 @@ import com.google.gson.annotations.Expose;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.LinkedList;
 import java.util.List;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.font.PDFont;
@@ -14,12 +15,12 @@ import org.slf4j.LoggerFactory;
  *
  * @author jomu
  */
-public class TableContent extends Content {
+public class PDFTableContent extends Content {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(TableContent.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(PDFTableContent.class);
 
     @Expose
-    private final Font headerFont;
+    private final PDFFont headerFont;
 
     @Expose
     private final TableHeader header;
@@ -27,45 +28,69 @@ public class TableContent extends Content {
     @Expose
     private List<TableRow> data = null;
     
-    public TableContent(PDFDocument doc, Font hf) {
+    public PDFTableContent(PDFDocument doc, PDFFont hf) {
         super(doc);
         this.header = new TableHeader();
         this.headerFont = hf;
-        this.data = new ArrayList<>();
+        this.data = new LinkedList<>();
 
     }
 
-    public TableContent(PDFDocument doc, Font hf, int x, int y) {
+    public PDFTableContent(PDFDocument doc, PDFFont hf, int x, int y) {
         super(doc, x, y);
         this.header = new TableHeader();
         this.headerFont = hf;
         this.data = new ArrayList<>();
     }
 
-    public DefaultTableRow addLine(String... values) {
+    public PDFTableContent addRow() {
-        return addLine(Arrays.asList(values));
+        DefaultTableRow newRow = new DefaultTableRow();
+        data.add(newRow);
+        return this;
     }
 
-    public DefaultTableRow addLine(List<String> values) {
+    public PDFTableContent addListRow(String listName, String varName) {
+        DefaultTableRow newRow = new DefaultTableRow();
+        newRow.createList(listName, varName);
+        data.add(newRow);
+        return this;
+    }
+
+    public PDFTableContent addRow(String... values) throws ConfigurationException {
+        return addRow(Arrays.asList(values));
+    }
+
+    public PDFTableContent addRow(List<String> values) throws ConfigurationException {
         DefaultTableRow newLine = new DefaultTableRow();
-        values.stream().forEach((cellText) -> {
-            newLine.add(new Text(cellText));
-        });
         data.add(newLine);
-        return newLine;
+        for (String cellText : values) {
+            addColumn (cellText); 
+        }  
+        return this;
     }
     
-    public DefaultTableRow addTextLine(Text... values) {
+    public PDFTableContent addColumn(String text) throws ConfigurationException {
-        return addTextLine(Arrays.asList(values));
+        if (data.isEmpty()) {
+            throw new ConfigurationException ("Need to call newRow first"); 
+        }
+        data.get(data.size()-1).addColumn(new TextElement (text)); 
+        return this;
     }
 
-    public DefaultTableRow addTextLine(List<Text> values) {
+    public PDFTableContent addColumn(String text, PDFTextAlignment alignment) throws ConfigurationException {
-        DefaultTableRow newLine = new DefaultTableRow();
+        if (data.isEmpty()) {
-        values.stream().forEach((text) -> {
+            throw new ConfigurationException ("Need to call newRow first"); 
-            newLine.add(text);
+        }
-        });
+        data.get(data.size()-1).addColumn(new TextElement (text, alignment)); 
-        data.add(newLine);
+        return this;
-        return newLine;
+    }   
+    
+    public PDFTableContent addColumn(String text, PDFTextAlignment alignment, Float padding) throws ConfigurationException {
+        if (data.isEmpty()) {
+            throw new ConfigurationException ("Need to call newRow first"); 
+        }
+        data.get(data.size()-1).addColumn(new TextElement (text, alignment), padding); 
+        return this;
     }      
         
     protected TableRow getRow(int no) {
@@ -93,21 +118,22 @@ public class TableContent extends Content {
         cos.setFont(hFont, headerFont.getFontSize());
         cos.newLineAtOffset(x, y);
         for (int i = 0; i < header.size(); i++) {
-            Text currentHeader = header.getHeader(i);
+            String headerText = header.getHeader(i);
+            PDFTextAlignment currentAlignment = header.getAlignment(i);
             float cellPadding = header.getCellPadding(i);
 
             float startX;
-            if (currentHeader.getAlign() == TextAlignment.RIGHT) {
+            if (currentAlignment == PDFTextAlignment.RIGHT) {
 
-                float textWdith = (standardFont.getStringWidth(currentHeader.getText()) / 1000F) * document.getStandardFont().getFontSize();
+                float textWdith = (standardFont.getStringWidth(headerText) / 1000F) * document.getStandardFont().getFontSize();
-                float width = header.getColumnSize(i) - 2 * cellPadding;
+                float width = header.getColumnSize(i) - (2F * cellPadding);
                 startX = width - textWdith;
                 cos.newLineAtOffset(startX, 0);
             } else {
                 startX = 0;
             }
 
-            cos.showText(currentHeader.getText());
+            cos.showText(headerText);
             cos.newLineAtOffset(header.getColumnSize(i) - startX, 0);
         }
         if (data.isEmpty()) {
@@ -120,22 +146,23 @@ public class TableContent extends Content {
             cos.newLineAtOffset(xOffSet, yOffset);
             currentY += yOffset;
             for (int colNo = 0; colNo < currentRow.getColumnCount(); colNo++) {
-                Text currentColText = currentRow.getColumnValue(colNo);
+                String currentColText = currentRow.getColumnValue(colNo);
-                float cellPadding = header.getCellPadding(colNo); 
+                PDFTextAlignment currentColAlignment = currentRow.getAlignment(colNo);
+                float cellPadding = currentRow.getCellPadding(colNo);
                 float startX;
 
                 // FIXME duplication with header and textContent object
-                if (currentColText.getAlign() == TextAlignment.RIGHT) {
+                if (currentColAlignment == PDFTextAlignment.RIGHT) {
-                    float textWdith = (standardFont.getStringWidth(currentColText.getText()) / 1000F) * document.getStandardFont().getFontSize();
+                    float textWdith = (standardFont.getStringWidth(currentColText) / 1000F) * document.getStandardFont().getFontSize();
-                    float width = header.getColumnSize(colNo) - 2 * cellPadding;
+                    float width = header.getColumnSize(colNo) - (2F * cellPadding);
                     startX = width - textWdith;
-                    LOGGER.info("Text width for {} = {}", currentColText.getText(), textWdith);
+                    LOGGER.info("Text width for {} = {}", currentColText, textWdith);
                     cos.newLineAtOffset(startX, 0);
                 } else {
                     startX = 0;
                 }
 
-                cos.showText(currentColText.getText());
+                cos.showText(currentColText);
                 cos.newLineAtOffset(header.getColumnSize(colNo) - startX, 0);
             }
         }
@@ -147,7 +174,7 @@ public class TableContent extends Content {
     }
 
     /* *** getter / setter *** */
-    public Font getHeaderFont() {
+    public PDFFont getHeaderFont() {
         return headerFont;
     }
 

pdf/src/main/java/de/muehlencord/shared/pdf/PDFTemplate.java

@@ -3,12 +3,10 @@ package de.muehlencord.shared.pdf;
 import com.google.gson.Gson;
 import freemarker.template.Template;
 import freemarker.template.TemplateException;
-import java.io.File;
 import java.io.IOException;
 import java.io.StringWriter;
 import java.io.Writer;
 import java.util.concurrent.ConcurrentHashMap;
-import org.apache.commons.io.FileUtils;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
@@ -67,7 +65,7 @@ public class PDFTemplate {
         Coordinate coord = null;
         for (Content content : pdfDoc.getContentList()) {
             content.setDocument(pdfDoc); // FIXME move to serialization            
-            content.setRect (page.getMediaBox()); 
+            content.setRect(page.getMediaBox());
             content.setCoordinate(coord);
             coord = content.addContentToPdf(cos);
         }

pdf/src/main/java/de/muehlencord/shared/pdf/PDFTextAlignment.java

@@ -4,7 +4,7 @@ package de.muehlencord.shared.pdf;
  *
  * @author joern.muehlencord
  */
-public enum TextAlignment {
+public enum PDFTextAlignment {
     
     LEFT,
     RIGHT;            

pdf/src/main/java/de/muehlencord/shared/pdf/PDFTextContent.java

@@ -11,44 +11,44 @@ import org.apache.pdfbox.pdmodel.font.PDFont;
  *
  * @author jomu
  */
-public class TextContent extends Content {
+public class PDFTextContent extends Content {
 
     @Expose
-    private final List<Text> textLines;
+    private final List<TextElement> textLines;
 
-    public TextContent(PDFDocument doc) {
+    public PDFTextContent(PDFDocument doc) {
         super(doc);
         this.textLines = new LinkedList<>();
     }
 
-    public TextContent(PDFDocument doc, Float x, Float y) {
+    public PDFTextContent(PDFDocument doc, Float x, Float y) {
         super(doc, x, y);
         this.textLines = new LinkedList<>();
     }
 
-    public TextContent(PDFDocument doc, Float x, Float y, String text) {
+    public PDFTextContent(PDFDocument doc, Float x, Float y, String text) {
         super(doc, x, y);
         this.textLines = new LinkedList<>();
-        this.textLines.add(new Text(text));
+        this.textLines.add(new TextElement(text));
     }
 
-    public TextContent addLine() {
+    public PDFTextContent addLine() {
-        this.textLines.add(new Text());
+        this.textLines.add(new TextElement());
         return this;
     }
 
-    public TextContent addLine(String text) {
+    public PDFTextContent addLine(String text) {
-        this.textLines.add(new Text(text));
+        this.textLines.add(new TextElement(text));
         return this;
     }
 
-    public TextContent addLine(String text, TextAlignment align) {
+    public PDFTextContent addLine(String text, PDFTextAlignment align) {
-        this.textLines.add(new Text(text, align));
+        this.textLines.add(new TextElement(text, align));
         return this;
     }
 
-    public TextContent addLine(String text, String fontAlias) {
+    public PDFTextContent addLine(String text, String fontAlias) {
-        this.textLines.add(new Text(text, fontAlias));
+        this.textLines.add(new TextElement(text, fontAlias));
         return this;
     }
 
@@ -59,13 +59,13 @@ public class TextContent extends Content {
         cos.beginText();
         cos.newLineAtOffset(x, y);
         float currentY = y;
-        for (Text textLine : textLines) {
+        for (TextElement textLine : textLines) {
-            Font font = (textLine.getFontAlias() == null ? document.getStandardFont() : document.getFontByAlias(textLine.getFontAlias()));
+            PDFFont font = (textLine.getFontAlias() == null ? document.getStandardFont() : document.getFontByAlias(textLine.getFontAlias()));
             PDFont pdFont = document.getFont(font.getFontName());
             cos.setFont(pdFont, font.getFontSize());
             int leading = font.getFontSize() + font.getPadding();
 
-            if (textLine.getAlign() == TextAlignment.RIGHT) {
+            if (textLine.getAlign() == PDFTextAlignment.RIGHT) {
                 float textWdith = (pdFont.getStringWidth(textLine.getText()) / 1000F) * font.getFontSize();
                 float width = rect.getUpperRightX() - rect.getLowerLeftX() - 2 * margin;
                 float startX = width - textWdith;

pdf/src/main/java/de/muehlencord/shared/pdf/TableHeader.java

@@ -11,72 +11,64 @@ import java.util.List;
 public class TableHeader {
     
     @Expose
-    private final List<Text> headers;
+    private final List<CellValue> headerCells;
-    @Expose
-    private final List<Integer> colSizes;
-    @Expose
-    private final List<Float> cellPadding;
 
     public TableHeader() {
-        headers = new ArrayList<>();
+        headerCells = new ArrayList<>();
-        colSizes = new ArrayList<>();
-        cellPadding = new ArrayList<>();
-    }
-
-    public TableHeader add(Text header, int colSize) {
-        headers.add(header);
-        colSizes.add(colSize);
-        cellPadding.add(null);
-        return this;
     }
 
     public TableHeader add(String headerText, int colSize) {
-        headers.add(new Text(headerText));
+        headerCells.add (new TextCellValue (headerText, colSize)); 
-        colSizes.add(colSize);
-        cellPadding.add(null);
         return this;
     }
     
     public TableHeader add(String headerText, int colSize, Float padding) {
-        headers.add(new Text(headerText));
+        headerCells.add (new TextCellValue (headerText, colSize)); 
-        colSizes.add(colSize);
-        cellPadding.add(padding);
         return this;
     }    
     
-    public TableHeader add(String headerText, int colSize, TextAlignment align) {
+    public TableHeader add(String headerText, int colSize, PDFTextAlignment align) {
-        headers.add(new Text(headerText, align));
+        headerCells.add (new TextCellValue (headerText, colSize, align)); 
-        colSizes.add(colSize);
-        cellPadding.add(null);
         return this;
     }
     
-    public TableHeader add(String headerText, int colSize, TextAlignment align, float padding) {
+    public TableHeader add(String headerText, int colSize, PDFTextAlignment align, float padding) {
-        headers.add(new Text(headerText, align));
+        headerCells.add (new TextCellValue (headerText, colSize, align, padding)); 
-        colSizes.add(colSize);
-        cellPadding.add(padding);
         return this;
     }
 
     /* *** getter *** */
     public int size() {
-        return headers.size();
+        return headerCells.size();
     }
 
     public int getColumnSize(int pos) {
-        return colSizes.get(pos);
+        return headerCells.get(pos).getColSize();
     }
 
-    public Text getHeader(int pos) {
+    public String getHeader(int pos) throws ConfigurationException {        
-        return headers.get(pos);
+        CellValue header = headerCells.get(pos);
+        if (header instanceof TextCellValue) {
+            TextCellValue textHeader = (TextCellValue) header;
+            return textHeader.getCellText();            
+        } else {
+            return "Unsupported"; 
+        }
+    }
+    
+    public PDFTextAlignment getAlignment (int pos) {
+        CellValue header = headerCells.get(pos);
+        if (header instanceof TextCellValue) {
+            TextCellValue textHeader = (TextCellValue) header;
+            return textHeader.getAlignment();
+        } else {
+            return null;
+        }        
     }
 
     public Float getCellPadding(int pos) {
-        if (cellPadding.get(pos) == null) {
+        return headerCells.get(pos).getCellPadding();
-            return 0F;
+
-        } else {
-            return cellPadding.get(pos);
-        }
     }
 
 }

pdf/src/main/java/de/muehlencord/shared/pdf/TableRow.java

@@ -4,18 +4,27 @@ package de.muehlencord.shared.pdf;
  *
  * @author joern.muehlencord
  */
-public abstract class TableRow {
+abstract class TableRow {
     
-    public abstract int getColumnCount();
+    protected abstract TableRow createList(String listName, String varName);
 
-    public abstract void createList(String listName, String varName);
+    protected abstract int getColumnCount();   
     
-    public abstract boolean isList();
+    protected abstract boolean isList();
 
-    public abstract Text getColumnValue(int columnPos);
+    protected abstract String getColumnValue(int columnPos);
     
-    public abstract String getListName();
+    protected abstract PDFTextAlignment getAlignment(int columnPos);
+    
+    protected abstract Float getCellPadding (int columnPos);
+
+    protected abstract String getListName();
+
+    protected abstract String getVarName();
+    
+    protected abstract void addColumn(TextElement element); 
+    
+    protected abstract void addColumn(TextElement element, Float padding); 
      
-    public abstract String getVarName();
 
 }

pdf/src/main/java/de/muehlencord/shared/pdf/TextCellValue.java

@@ -0,0 +1,65 @@
+package de.muehlencord.shared.pdf;
+
+import com.google.gson.annotations.Expose;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public class TextCellValue extends CellValue {
+
+    @Expose
+    private final TextElement cellValue;
+    @Expose
+    private final Integer colSize;
+    @Expose
+    private final Float cellPadding;
+
+    public TextCellValue(String cellValue, int colSizes) {
+        this.cellValue = new TextElement(cellValue);
+        this.colSize = colSizes;
+        this.cellPadding = null;
+    }
+
+    public TextCellValue(String cellValue, int colSizes, float cellPadding) {
+        this.cellValue = new TextElement(cellValue);
+        this.colSize = colSizes;
+        this.cellPadding = cellPadding;
+    }
+
+    public TextCellValue(String cellValue, int colSizes, PDFTextAlignment align) {
+        this.cellValue = new TextElement(cellValue, align);
+        this.colSize = colSizes;
+        this.cellPadding = null;
+    }
+
+    public TextCellValue(String cellValue, int colSize, PDFTextAlignment align, float cellPadding) {
+        this.cellValue = new TextElement(cellValue, align);
+        this.colSize = colSize;
+        this.cellPadding = cellPadding;
+    }
+
+    /* *** getter / setter *** */
+    public String getCellText() {
+        return cellValue.getText();
+    }
+
+    public PDFTextAlignment getAlignment() {
+        return cellValue.getAlign();
+    }
+
+    @Override
+    public int getColSize() {
+        return colSize;
+    }
+
+    @Override
+    public float getCellPadding() {
+        if (cellPadding == null) {
+            return 0F;
+        } else {
+            return cellPadding;
+        }
+    }
+
+}

pdf/src/main/java/de/muehlencord/shared/pdf/TextElement.java

@@ -6,40 +6,40 @@ import com.google.gson.annotations.Expose;
  *
  * @author joern.muehlencord
  */
-public class Text extends PDFElement {
+class TextElement {
 
     @Expose
     private final String text;
     @Expose
     private final String fontAlias;
     @Expose
-    private TextAlignment align;
+    private final PDFTextAlignment align;
 
-    public Text() {
+    public TextElement() {
         this.text = "";
         this.fontAlias = null;
         this.align = null;
     }
 
-    public Text(String text) {
+    public TextElement(String text) {
         this.text = text;
         this.fontAlias = null;
         this.align = null;
     }
 
-    public Text(String text, TextAlignment align) {
+    public TextElement(String text, PDFTextAlignment align) {
         this.text = text;
         this.fontAlias = null;
         this.align = align;
     }
 
-    public Text(String text, String fontAlias) {
+    public TextElement(String text, String fontAlias) {
         this.text = text;
         this.fontAlias = fontAlias;
         this.align = null;
     }
 
-    public Text(String text, String fontAlias, TextAlignment align) {
+    public TextElement(String text, String fontAlias, PDFTextAlignment align) {
         this.text = text;
         this.fontAlias = fontAlias;
         this.align = align;
@@ -54,9 +54,9 @@ public class Text extends PDFElement {
         return fontAlias;
     }
 
-    public TextAlignment getAlign() {
+    public PDFTextAlignment getAlign() {
         if (align == null) {
-            return TextAlignment.LEFT;
+            return PDFTextAlignment.LEFT;
         } else {
             return align;
         }

pdf/src/main/java/de/muehlencord/shared/pdf/util/ImageUtil.java

@@ -0,0 +1,27 @@
+package de.muehlencord.shared.pdf.util;
+
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import javax.imageio.ImageIO;
+
+/**
+ *
+ * @author joern.muehlencord
+ */
+public class ImageUtil {
+
+    public static String getEncodedString(BufferedImage img) throws IOException {
+        final ByteArrayOutputStream os = new ByteArrayOutputStream();
+        ImageIO.write(img, "png", Base64.getEncoder().wrap(os));
+        return os.toString(StandardCharsets.UTF_8.name());
+    }
+
+    public static BufferedImage getImageFromEncodedString(String base64CodedString) throws IOException {
+        return ImageIO.read(new ByteArrayInputStream(Base64.getDecoder().decode(base64CodedString)));
+    }
+
+}

pdf/src/test/java/de/muehlencord/shared/pdf/Invoice.java

@@ -1,6 +1,7 @@
 package de.muehlencord.shared.pdf;
 
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -11,6 +12,11 @@ public class Invoice {
 
     private final List<InvoiceLine> invoiceLines;
 
+    private Date invoiceDate;
+    private String customerNumber;
+    private String invoiceNumber;
+    private String logo = null;
+
     public Invoice() {
         this.invoiceLines = new ArrayList<>();
     }
@@ -19,7 +25,40 @@ public class Invoice {
         this.invoiceLines.add(il);
     }
 
+    /* *** getter / setter *** */
     public List<InvoiceLine> getInvoiceLines() {
         return invoiceLines;
     }
+
+    public String getLogo() {
+        return logo;
+    }
+
+    public void setLogo(String logo) {
+        this.logo = logo;
+    }
+
+    public Date getInvoiceDate() {
+        return invoiceDate;
+    }
+
+    public void setInvoiceDate(Date invoiceDate) {
+        this.invoiceDate = invoiceDate;
+    }
+
+    public String getCustomerNumber() {
+        return customerNumber;
+    }
+
+    public void setCustomerNumber(String customerNumber) {
+        this.customerNumber = customerNumber;
+    }
+
+    public String getInvoiceNumber() {
+        return invoiceNumber;
+    }
+
+    public void setInvoiceNumber(String invoiceNumber) {
+        this.invoiceNumber = invoiceNumber;
+    }
 }

pdf/src/test/java/de/muehlencord/shared/pdf/PDFDocumentTest.java

@@ -1,5 +1,6 @@
 package de.muehlencord.shared.pdf;
 
+import de.muehlencord.shared.pdf.util.ImageUtil;
 import freemarker.template.Configuration;
 import freemarker.template.Template;
 import freemarker.template.TemplateExceptionHandler;
@@ -26,70 +27,67 @@ public class PDFDocumentTest {
     public void testToJson() throws FileNotFoundException, IOException, ConfigurationException, TemplateException {
         System.out.println("testToJson");
         PDFDocument doc = new PDFDocument();
-        doc.addFont("bold", new Font("Helvetica-Bold", 12, 2));
+        doc.addFont("bold", new PDFFont("Helvetica-Bold", 12, 2));
-        doc.addFont("helv12", new Font("Helvetica", 12, 2));
+        doc.addFont("helv12", new PDFFont("Helvetica", 12, 2));
 
-        doc.setPaperSize(PaperSize.A4);
+        doc.setPaperSize(PDFPaperSize.A4);
-        TextContent addressContent = new TextContent(doc, 40F, 692F, "Max Mustermann")
+        PDFTextContent addressContent = new PDFTextContent(doc, 40F, 692F, "Max Mustermann")
                 .addLine("Musterstraße 123")
                 .addLine("12345 Musterhausen");
         doc.addContent(addressContent);
 
-        String fileName = "c:/temp/logo-verkehrsverein-hoevelh.jpg";
+        PDFImageContent logoContent = new PDFImageContent(doc, 400F, 700F, 0.6F, "${invoice.logo}");
-        BufferedImage image = ImageIO.read(new File(fileName));
-        ImageContent logoContent = new ImageContent(doc, 400F, 700F, 0.6F, image);
         doc.addContent(logoContent);
 
-
+        PDFTextContent informationContent = new PDFTextContent(doc, 400F, 662F);
-        TextContent informationContent = new TextContent(doc, 400F, 662F);
         informationContent.addLine("Anzeigenabrechnung", "bold");
         informationContent.addLine("Veronika Mühlencord", "helv12");
         informationContent.addLine("Telefon: 05257/940154", "helv12");
         informationContent.addLine("Telefax: 05257/940156", "helv12");
         informationContent.addLine();
-        informationContent.addLine("Hövelhof, den ${invoiceDate?date}", "bold");
+        informationContent.addLine("Hövelhof, den ${invoice.invoiceDate?date}", "bold");
         doc.addContent(informationContent);
 
-        TableContent informationContent2 = new TableContent(doc, doc.getStandardFont());
+        PDFTableContent informationContent2 = new PDFTableContent(doc, doc.getStandardFont());
         informationContent2.getHeaders()
                 .add("Kunden-Nr", 100)
-                .add("${customerNumber}", 100);
+                .add("${invoice.customerNumber}", 100);
-        informationContent2.addLine("Rechnungs-Nr.:", "${invoiceNumber}");
+        informationContent2.addRow("Rechnungs-Nr.:", "${invoice.invoiceNumber}")
-        informationContent2.addLine("Ausgabe: ", "Dezember");
+                .addRow("Ausgabe: ", "Dezember")
-        informationContent2.addLine("Rechnungsdatum:", "${invoiceDate?date}");
+                .addRow("Rechnungsdatum:", "${invoice.invoiceDate?date}");
         doc.addContent(informationContent2);
 
-        TextContent invoiceInfoInformation = new TextContent(doc, 40F, 442F, "Sehr geehrter Anzeigenkunde, ")
+        PDFTextContent invoiceInfoInformation = new PDFTextContent(doc, 40F, 442F, "Sehr geehrter Anzeigenkunde, ")
                 .addLine()
                 .addLine()
                 .addLine("Wir danken für den Auftrag und bitten um Erledigung der folgenden Anzeigenabrechnung")
                 .addLine();
         doc.addContent(invoiceInfoInformation);
 
-        TableContent invoiceLines = new TableContent(doc, doc.getFontByAlias("bold"));
+        PDFTableContent invoiceLines = new PDFTableContent(doc, doc.getFontByAlias("bold"));
         invoiceLines.getHeaders()
-                .add("Menge", 50, 10F)
+                .add("Menge", 50)
-                .add("Beschreibung", 300, 10F)
+                .add("Beschreibung", 300)
-                .add(new Text("Einzelpreis", TextAlignment.RIGHT), 80)
+                .add("Einzelpreis", 80, PDFTextAlignment.RIGHT)
-                .add(new Text("Summe", TextAlignment.RIGHT), 80);
+                .add("Summe", 80, PDFTextAlignment.RIGHT);
-        invoiceLines.addTextLine(
+        invoiceLines.addRow()
-                new Text("1000", TextAlignment.RIGHT),
+                .addColumn("1000", PDFTextAlignment.RIGHT, 5F)
-                new Text("Anzeige Hövelhofer Rundschau"),
+                .addColumn("Anzeige Hövelhofer Rundschau")
-                new Text("10,00 €", TextAlignment.RIGHT),
+                .addColumn("10,00 €", PDFTextAlignment.RIGHT)
-                new Text("10,00 €", TextAlignment.RIGHT));
+                .addColumn("10,00 €", PDFTextAlignment.RIGHT);
-        invoiceLines.addTextLine(
+        invoiceLines.addListRow("invoice.invoiceLines", "invoiceline")
-                new Text("${invoiceline.amount}", TextAlignment.RIGHT),
+                .addColumn("${invoiceline.amount}", PDFTextAlignment.RIGHT, 5F )
-                new Text("${invoiceline.description}"),
+                .addColumn("${invoiceline.description}")
-                new Text("${invoiceline.price}", TextAlignment.RIGHT),
+                .addColumn("${invoiceline.price}", PDFTextAlignment.RIGHT)
-                new Text("${invoiceline.total}", TextAlignment.RIGHT)).createList("invoiceLines", "invoiceline");
+                .addColumn("${invoiceline.total}", PDFTextAlignment.RIGHT);        
-        invoiceLines.addTextLine(
+        invoiceLines.addRow()
-                new Text("2", TextAlignment.RIGHT),
+                .addColumn("2", PDFTextAlignment.RIGHT, 5F)
-                new Text("Anzeige Hövelhofer Rundschau"),
+                .addColumn("Anzeige Hövelhofer Rundschau")
-                new Text("10,00 €", TextAlignment.RIGHT),
+                .addColumn("10,00 €", PDFTextAlignment.RIGHT)
-                new Text("20,00 €", TextAlignment.RIGHT));
+                .addColumn("20,00 €", PDFTextAlignment.RIGHT);
         doc.addContent(invoiceLines);
 
-        TextContent test = new TextContent(doc)
+        PDFTextContent test = new PDFTextContent(doc)
                 .addLine("Das ist ein Test");
         doc.addContent(test);
 
@@ -109,14 +107,18 @@ public class PDFDocumentTest {
         PDFTemplate pdfDoc = new PDFTemplate(template);
 
         Invoice invoice = new Invoice();
+        invoice.setInvoiceDate(new Date());
+        invoice.setCustomerNumber("8755");
+        invoice.setInvoiceNumber("1234567");
         invoice.addInvoiceLine(new InvoiceLine("Product 1", "10,00 €", "1", "10,00 €"));
         invoice.addInvoiceLine(new InvoiceLine("Product 2", "5,00 €", "10", "50,00 €"));
         invoice.addInvoiceLine(new InvoiceLine("Product 3", "100,00 €", "20", "2000,00 €"));
 
-        pdfDoc.addToDatamodel("invoiceDate", new Date());
+        String fileName = "c:/temp/logo-verkehrsverein-hoevelh.jpg";
-        pdfDoc.addToDatamodel("customerNumber", "8755");
+        BufferedImage image = ImageIO.read(new File(fileName));
-        pdfDoc.addToDatamodel("invoiceNumber", "1234567");
+        invoice.setLogo(ImageUtil.getEncodedString(image));
-        pdfDoc.addToDatamodel("invoiceLines", invoice.getInvoiceLines());
+
+        pdfDoc.addToDatamodel("invoice", invoice);
         pdfDoc.create("c:/temp/test.pdf");
     }
 

pdf/src/test/java/de/muehlencord/shared/pdf/TextTest.java

@@ -18,7 +18,7 @@ public class TextTest {
                 + "\"text\": \"Rechnungs-Nr.:\"\n"
                 + "}";
         
-        Text text = GsonUtil.getGsonInstance().fromJson(jsonString, Text.class);
+        TextElement text = GsonUtil.getGsonInstance().fromJson(jsonString, TextElement.class);
         assertNotNull ("text object", text);
         assertEquals ("text value", "Rechnungs-Nr.:", text.getText());