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support diagrams without startuml, enduml

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Add support for diagram without @startuml and @enduml.
This commit is contained in:
HeinrichAD
2023-07-19 22:22:35 +02:00
committed by PlantUML
parent af8f7d0c33
commit 5859c3b427
2 changed files with 30 additions and 20 deletions
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21
src/main/java/net/sourceforge/plantuml/servlet/ProxyServlet.java
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@@ -29,7 +29,6 @@ import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
import java.util.stream.Collectors;
import javax.imageio.IIOException;
@@ -39,11 +38,7 @@ import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import net.sourceforge.plantuml.BlockUml;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.SourceStringReader;
import net.sourceforge.plantuml.core.Diagram;
import net.sourceforge.plantuml.core.UmlSource;
/**
* Proxy servlet of the webapp.
@@ -108,29 +103,23 @@ public class ProxyServlet extends HttpServlet {
final String source = request.getParameter("src");
final String index = request.getParameter("idx");
final int idx = index == null ? 0 : Integer.parseInt(index);
final URL srcUrl = validateURL(source, response);
if (srcUrl == null) {
return; // error is already set/handled inside `validateURL`
}
// generate the response
String diagmarkup = getSource(srcUrl);
SourceStringReader reader = new SourceStringReader(diagmarkup);
int n = index == null ? 0 : Integer.parseInt(index);
List<BlockUml> blocks = reader.getBlocks();
BlockUml block = blocks.get(n);
Diagram diagram = block.getDiagram();
UmlSource umlSrc = diagram.getSource();
String uml = umlSrc.getPlainString("\n");
// fetch diagram from URL
final String uml = getSource(srcUrl);
// generate the response
DiagramResponse dr = new DiagramResponse(response, getOutputFormat(fmt), request);
try {
// special handling for the MAP since it's not using "#sendDiagram()" like the other types
if ("map".equals(fmt)) {
dr.sendMap(uml, 0);
dr.sendMap(uml, idx);
} else {
dr.sendDiagram(uml, 0);
dr.sendDiagram(uml, idx);
}
} catch (IIOException e) {
// Browser has closed the connection, so the HTTP OutputStream is closed