QRunIO/qqq
2
0
Fork 0
mirror of https://github.com/Kingsrook/qqq.git synced 2025-07-17 20:50:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update ConvertHtmlToPdfAction to use openhtmltopdf instead of flying-saucer-pdf-openpdf (gaining support for min/max-width/height

Browse Source
This commit is contained in:
darin.kelkhoff
2025-03-27 11:55:36 -05:00
parent d0508c2568
commit 16cedfeb6e
2 changed files with 43 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
qqq-backend-core/pom.xml
View File

@ -151,16 +151,21 @@
<version>2.3</version>
</dependency>
<!-- the next 2 deps are for html to pdf - per https://www.baeldung.com/java-html-to-pdf -->
<!-- the next 3 deps are for html to pdf -->
<dependency>
<groupId>org.jsoup</groupId>
<artifactId>jsoup</artifactId>
<version>1.15.3</version>
</dependency>
<dependency>
<groupId>org.xhtmlrenderer</groupId>
<artifactId>flying-saucer-pdf-openpdf</artifactId>
<version>9.1.22</version>
<groupId>com.openhtmltopdf</groupId>
<artifactId>openhtmltopdf-core</artifactId>
<version>1.0.10</version>
</dependency>
<dependency>
<groupId>com.openhtmltopdf</groupId>
<artifactId>openhtmltopdf-pdfbox</artifactId>
<version>1.0.10</version>
</dependency>
<!-- the next 3 deps are being added for google drive support -->

58
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/actions/templates/ConvertHtmlToPdfAction.java
View File

@ -26,22 +26,31 @@ import java.nio.file.Path;
import java.util.Map;
import com.kingsrook.qqq.backend.core.actions.AbstractQActionFunction;
import com.kingsrook.qqq.backend.core.exceptions.QException;
import com.kingsrook.qqq.backend.core.logging.QLogger;
import com.kingsrook.qqq.backend.core.model.actions.templates.ConvertHtmlToPdfInput;
import com.kingsrook.qqq.backend.core.model.actions.templates.ConvertHtmlToPdfOutput;
import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
import com.openhtmltopdf.css.constants.IdentValue;
import com.openhtmltopdf.pdfboxout.PdfBoxFontResolver;
import com.openhtmltopdf.pdfboxout.PdfBoxRenderer;
import com.openhtmltopdf.pdfboxout.PdfRendererBuilder;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.xhtmlrenderer.layout.SharedContext;
import org.xhtmlrenderer.pdf.ITextRenderer;
/*******************************************************************************
** Action to convert a string of HTML to a PDF!
**
** Much credit to https://www.baeldung.com/java-html-to-pdf
*******************************************************************************/
**
** Updated in March 2025 to go from flying-saucer-pdf-openpdf lib to openhtmltopdf,
** mostly to get support for max-height on images...
********************************************************************************/
public class ConvertHtmlToPdfAction extends AbstractQActionFunction<ConvertHtmlToPdfInput, ConvertHtmlToPdfOutput>
{
private static final QLogger LOG = QLogger.getLogger(ConvertHtmlToPdfAction.class);
/*******************************************************************************
**
@ -62,31 +71,32 @@ public class ConvertHtmlToPdfAction extends AbstractQActionFunction<ConvertHtmlT
//////////////////////////////
// convert the XHTML to PDF //
//////////////////////////////
ITextRenderer renderer = new ITextRenderer();
SharedContext sharedContext = renderer.getSharedContext();
sharedContext.setPrint(true);
sharedContext.setInteractive(false);
PdfRendererBuilder builder = new PdfRendererBuilder();
builder.toStream(input.getOutputStream());
builder.useFastMode();
builder.withHtmlContent(document.html(), input.getBasePath() == null ? "./" : input.getBasePath().toUri().toString());
if(input.getBasePath() != null)
try(PdfBoxRenderer pdfBoxRenderer = builder.buildPdfRenderer())
{
String baseUrl = input.getBasePath().toUri().toURL().toString();
renderer.setDocumentFromString(document.html(), baseUrl);
}
else
{
renderer.setDocumentFromString(document.html());
}
pdfBoxRenderer.layout();
pdfBoxRenderer.getSharedContext().setPrint(true);
pdfBoxRenderer.getSharedContext().setInteractive(false);
//////////////////////////////////////////////////
// register any custom fonts the input supplied //
//////////////////////////////////////////////////
for(Map.Entry<String, Path> entry : CollectionUtils.nonNullMap(input.getCustomFonts()).entrySet())
{
renderer.getFontResolver().addFont(entry.getValue().toAbsolutePath().toString(), entry.getKey(), "UTF-8", true, null);
}
for(Map.Entry<String, Path> entry : CollectionUtils.nonNullMap(input.getCustomFonts()).entrySet())
{
LOG.warn("Note: Custom fonts appear to not be working in this class at this time...");
pdfBoxRenderer.getFontResolver().addFont(
entry.getValue().toAbsolutePath().toFile(), // Path to the TrueType font file
entry.getKey(), // Font family name to use in CSS
400, // Font weight (e.g., 400 for normal, 700 for bold)
IdentValue.NORMAL, // Font style (e.g., NORMAL, ITALIC)
true, // Whether to subset the font
PdfBoxFontResolver.FontGroup.MAIN // ??
);
}
renderer.layout();
renderer.createPDF(input.getOutputStream());
pdfBoxRenderer.createPDF();
}
return (output);
}