Add classe to generate a document with a single table

6 files changed, 438 insertions, 0 deletions

diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFDocument.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFDocument.java
new file mode 100644
index 0000000..eb59390
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFDocument.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.Element;
+import com.lowagie.text.pdf.PdfWriter;
+import lombok.Getter;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PDFDocument {
+    private final Document document;
+    private final PdfWriter writer;
+    private final List<Object> elements = new ArrayList<>();
+    private final @Getter String fileDestination;
+
+    public PDFDocument(String fileDestination) throws IOException, DocumentException {
+        this.fileDestination = fileDestination;
+        document = new Document();
+        writer = PdfWriter.getInstance(document, Files.newOutputStream(Paths.get(fileDestination)));
+    }
+
+    private void openDocument() {
+        if (document.isOpen()) return;
+        document.open();
+    }
+
+    private void add(Element element) {
+        elements.add(element);
+    }
+
+    public void add(PDFTable<?> table) {
+        elements.add(table);
+    }
+
+    public void saveToFile() {
+        try {
+            openDocument();
+
+            for (Object element : elements) {
+                if (element instanceof Element) {
+                    document.add((Element) element);
+                } else if (element instanceof PDFTable) {
+                    document.add(((PDFTable<?>) element).generate(writer));
+                }
+            }
+
+            if (document.isOpen())
+                document.close();
+        } catch (DocumentException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFEntity.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFEntity.java
new file mode 100644
index 0000000..fd87310
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFEntity.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import com.lowagie.text.pdf.PdfWriter;
+
+public abstract class PDFEntity<T> {
+    protected abstract T generate(PdfWriter writer);
+}
diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTable.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTable.java
new file mode 100644
index 0000000..20cac75
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTable.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.pdf.*;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.function.Supplier;
+
+public abstract class PDFTable<E> extends PDFEntity<PdfPTable> {
+    private final List<E> entities;
+    private final List<PdfTableCell> cells = new ArrayList<>();
+    private int[] widths = null;
+    private PDFTableHeader header;
+    private PDFTableFooter footer;
+
+    public PDFTable(List<E> entities, int...widths) {
+        this.entities = entities;
+        this.widths = widths;
+        generateSignature();
+    }
+
+    private void generateSignature() {
+        SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
+        addFooter(new PDFTableFooter(null,
+                                     "Generato con Simply Reports il " + sdf.format(new Date()),
+                                     null,
+                                     null,
+                                     0));
+    }
+
+    protected abstract int getNumberOfColumns();
+    protected abstract void mapRow(E entity);
+
+    public void addCell(PdfTableCell cell) {
+        cells.add(cell);
+    }
+
+    public void addCell(Supplier<String> value) {
+        addCell(new PdfTableCell(value));
+    }
+
+    public void addHeader(PDFTableHeader header) {
+        this.header = header;
+    }
+
+    public void addFooter(PDFTableFooter footer) {
+        this.footer = footer;
+    }
+
+    @Override
+    protected PdfPTable generate(PdfWriter writer) {
+        try {
+            PdfPTable table = new PdfPTable(getNumberOfColumns());
+            table.setWidthPercentage(100);
+
+            if (widths != null && widths.length > 0)
+                table.setWidths(widths);
+
+            for (E entity : this.entities) {
+                mapRow(entity);
+            }
+
+            if (header != null && writer != null) {
+                if (header.getColspan() == null) {
+                    header.setColspan(widths.length);
+                }
+                table.addCell(header.generate(writer));
+            }
+
+            for (PdfTableCell cell : cells) {
+                table.addCell(cell.getValue());
+            }
+
+            if (footer != null && writer != null) {
+                if (footer.getColspan() == null) {
+                    footer.setColspan(widths.length);
+                }
+                table.addCell(footer.generate(writer));
+            }
+
+            return table;
+        } catch (DocumentException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+}
diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableFooter.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableFooter.java
new file mode 100644
index 0000000..f6ce55e
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableFooter.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import com.lowagie.text.*;
+import com.lowagie.text.Font;
+import com.lowagie.text.Image;
+import com.lowagie.text.pdf.*;
+import java.awt.*;
+import java.io.IOException;
+import lombok.*;
+
+public class PDFTableFooter extends PDFEntity<PdfPCell> {
+    private PdfReader reader;
+    private @Getter @Setter Integer colspan;
+    private @Getter @Setter Integer height;
+    private @Getter @Setter Integer border;
+    private @Getter @Setter String title;
+
+    public PDFTableFooter(String logoLocation) {
+        this(logoLocation, null, null, null, null);
+    }
+
+    public PDFTableFooter(String logoLocation, String title, Integer colspan, Integer height, Integer border) {
+        if (logoLocation != null) {
+            try {
+                this.reader = new PdfReader(logoLocation);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        this.colspan = colspan;
+        this.height = height;
+        this.border = border;
+        this.title = title;
+    }
+
+    @Override
+    protected PdfPCell generate(PdfWriter writer) {
+        try {
+            PdfPCell headerCell = new PdfPCell();
+            headerCell.setPadding(5f);
+
+            if (reader != null) {
+                PdfImportedPage header = writer.getImportedPage(reader, 1);
+                /* PdfPCell cell = new PdfPCell(Image.getInstance(header)); */
+                Image headerImage = Image.getInstance(header);
+                headerImage.setWidthPercentage(20f);
+                headerCell.addElement(headerImage);
+            }
+
+            if (height != null) {
+                headerCell.setFixedHeight(height);
+            }
+
+            if (border != null) {
+                headerCell.setBorder(border);
+            }
+
+            if (colspan != null) {
+                headerCell.setColspan(colspan);
+            }
+
+            if (title != null) {
+                Font f = new Font(Font.HELVETICA, 8.0f, Font.ITALIC, Color.BLACK);
+// you created a font, but you never used it:
+                Chunk c = new Chunk(title, f);
+                /* c.setBackground(Color.RED); */
+// you changed the alignment AFTER adding p1 to the document
+                Paragraph p = new Paragraph(c);
+
+
+
+                p.setAlignment(Element.ALIGN_CENTER);
+                headerCell.addElement(p);
+            }
+
+            return headerCell;
+        } catch (BadElementException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+}
diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableHeader.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableHeader.java
new file mode 100644
index 0000000..0df5515
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PDFTableHeader.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import com.lowagie.text.BadElementException;
+import com.lowagie.text.Element;
+import com.lowagie.text.Image;
+import com.lowagie.text.Paragraph;
+import com.lowagie.text.pdf.PdfImportedPage;
+import com.lowagie.text.pdf.PdfPCell;
+import com.lowagie.text.pdf.PdfReader;
+import com.lowagie.text.pdf.PdfWriter;
+import java.io.IOException;
+
+import lombok.*;
+
+public class PDFTableHeader extends PDFEntity<PdfPCell> {
+    private PdfReader reader;
+    private @Getter @Setter Integer colspan;
+    private @Getter @Setter Integer height;
+    private @Getter @Setter Integer border;
+    private @Getter @Setter String title;
+
+    public PDFTableHeader(String logoLocation) {
+        this(logoLocation, null, null, null, null);
+    }
+
+    public PDFTableHeader(String logoLocation, String title, Integer colspan, Integer height, Integer border) {
+        try {
+            this.reader = new PdfReader(logoLocation);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        this.colspan = colspan;
+        this.height = height;
+        this.border = border;
+        this.title = title;
+    }
+
+    @Override
+    protected PdfPCell generate(PdfWriter writer) {
+        try {
+            PdfPCell headerCell = new PdfPCell();
+            headerCell.setPadding(5f);
+
+            if (reader != null) {
+                PdfImportedPage header = writer.getImportedPage(reader, 1);
+                /* PdfPCell cell = new PdfPCell(Image.getInstance(header)); */
+                Image headerImage = Image.getInstance(header);
+                headerImage.setWidthPercentage(20f);
+                headerCell.addElement(headerImage);
+            }
+
+            if (height != null) {
+                headerCell.setFixedHeight(height);
+            }
+
+            if (border != null) {
+                headerCell.setBorder(border);
+            }
+
+            if (colspan != null) {
+                headerCell.setColspan(colspan);
+            }
+
+            if (title != null) {
+                Paragraph p = new Paragraph(title);
+                p.setAlignment(Element.ALIGN_CENTER);
+                headerCell.addElement(p);
+            }
+
+            return headerCell;
+        } catch (BadElementException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+}
diff --git a/src/main/java/it/alessandroiezzi/simplyreports/pdf/PdfTableCell.java b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PdfTableCell.java
new file mode 100644
index 0000000..f98870d
--- /dev/null
+++ b/src/main/java/it/alessandroiezzi/simplyreports/pdf/PdfTableCell.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022  Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
+ *
+ * This file is part of Simply Reports.
+ *
+ * Simply Reports is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Simply Reports is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Simply Reports.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package it.alessandroiezzi.simplyreports.pdf;
+
+import java.util.function.Supplier;
+
+public class PdfTableCell {
+    private final Supplier<String> value;
+
+    public PdfTableCell(Supplier<String> value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value.get();
+    }
+}