ReportView.java
package pro.verron.officestamper;
import com.fasterxml.jackson.core.type.TypeReference;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;
import pro.verron.officestamper.TraceabilityReport.Resolution;
import pro.verron.officestamper.api.OfficeStamperException;
import java.io.IOException;
import java.nio.file.Path;
import java.util.List;
import static java.nio.file.Files.writeString;
/// Subcommand that generates an HTML viewer for a traceability report.
@Command(
name = "report-view", description = "Generate an HTML viewer for a traceability report"
)
public class ReportView implements Runnable {
@Option(
names = {"-i", "--input"}, required = true, description = "JSON traceability report"
)
private Path input;
@Option(
names = {"-o", "--output"}, defaultValue = "traceability.html", description = "Output HTML file"
)
private Path output;
/// Default constructor.
public ReportView() {
}
@Override
public void run() {
try {
var mapper = SerializationUtils.newMapper();
var root = mapper.readTree(input.toFile());
var resolutionsNode = root.get("resolutions");
if (resolutionsNode == null) {
// Fallback for old format or if it was just a list
resolutionsNode = root.isArray() ? root : null;
}
if (resolutionsNode == null) throw new OfficeStamperException("Could not find resolutions in report");
List<Resolution> resolutions = mapper.convertValue(resolutionsNode, new TypeReference<>() {
});
var html = generateHtml(resolutions);
writeString(output, html);
} catch (IOException e) {
throw new OfficeStamperException(e);
}
}
private String generateHtml(List<Resolution> resolutions) {
StringBuilder sb = new StringBuilder();
sb.append("<html><head><title>Traceability Report</title><style>");
sb.append("table { border-collapse: collapse; width: 100%; " + "font-family: sans-serif; }");
sb.append("th, td { border: 1px solid #ddd; padding: 8px; " + "text-align: left; vertical-align: top; }");
sb.append("th { background-color: #4CAF50; color: white; }");
sb.append("tr:nth-child(even) { background-color: #f9f9f9; }");
sb.append("tr:hover { background-color: #f1f1f1; }");
sb.append("ul { margin: 0; padding-left: 20px; }");
sb.append("</style></head><body>");
sb.append("<h1>Office Stamper Traceability Report</h1>");
sb.append("<table><tr><th>Expression</th><th>Resolved " + "Value</th><th>Nesting Context</th></tr>");
for (var res : resolutions) {
sb.append("<tr>");
sb.append("<td><code>").append(res.expression()).append("</code></td>");
sb.append("<td>").append(res.value()).append("</td>");
sb.append("<td><ul>");
for (var ctx : res.contextStack()) {
sb.append("<li>").append(ctx).append("</li>");
}
sb.append("</ul></td>");
sb.append("</tr>");
}
sb.append("</table></body></html>");
return sb.toString();
}
}