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Code Issues Releases Wiki Activity

Closes #118: create pdf from text plain files

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This commit is contained in:
Benjamin Gamard
2017-07-31 01:51:23 +02:00
parent 330de495db
commit e0214a6a9f
4 changed files with 64 additions and 55 deletions
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28
docs-core/src/main/java/com/sismics/docs/core/util/FileUtil.java
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@@ -1,26 +1,24 @@
package com.sismics.docs.core.util;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.imageio.ImageIO;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.tess4j.Tesseract;
import com.sismics.util.ImageUtil;
import org.imgscalr.Scalr;
import org.imgscalr.Scalr.Method;
import org.imgscalr.Scalr.Mode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.tess4j.Tesseract;
import com.sismics.util.ImageUtil;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
/**
* File entity utilities.

55
docs-core/src/main/java/com/sismics/docs/core/util/PdfUtil.java
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@@ -1,18 +1,16 @@
package com.sismics.docs.core.util;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import javax.imageio.ImageIO;
import com.google.common.base.Charsets;
import com.google.common.base.Strings;
import com.google.common.io.CharStreams;
import com.google.common.io.Closer;
import com.lowagie.text.*;
import com.lowagie.text.pdf.PdfWriter;
import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.docs.core.util.pdf.PdfPage;
import com.sismics.util.ImageUtil;
import com.sismics.util.mime.MimeType;
import org.apache.pdfbox.io.MemoryUsageSetting;
import org.apache.pdfbox.multipdf.PDFMergerUtility;
import org.apache.pdfbox.pdmodel.PDDocument;
@@ -32,13 +30,14 @@ import org.odftoolkit.odfdom.doc.OdfTextDocument;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Strings;
import com.google.common.io.Closer;
import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.docs.core.util.pdf.PdfPage;
import com.sismics.util.ImageUtil;
import com.sismics.util.mime.MimeType;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
/**
* PDF utilities.
@@ -120,8 +119,20 @@ public class PdfUtil {
if (reset) {
inputStream.reset();
}
// TODO Create a PDF from the text plain
return null;
Document output = new Document(PageSize.A4, 40, 40, 40, 40);
ByteArrayOutputStream pdfOutputStream = new ByteArrayOutputStream();
PdfWriter.getInstance(output, pdfOutputStream);
output.open();
String content = CharStreams.toString(new InputStreamReader(inputStream, Charsets.UTF_8));
Font font = FontFactory.getFont(FontFactory.COURIER);
Paragraph paragraph = new Paragraph(content, font);
paragraph.setAlignment(Element.ALIGN_LEFT);
output.add(paragraph);
output.close();
return new ByteArrayInputStream(pdfOutputStream.toByteArray());
}
/**