Initial Implementation

src/main/java/de/kosit/validationtool/cmd/ExtractHtmlContentAction.java

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+/*
+ * Licensed to the Koordinierungsstelle für IT-Standards (KoSIT) under
+ * one or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  KoSIT licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package de.kosit.validationtool.cmd;
+
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.transform.dom.DOMSource;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import de.kosit.validationtool.impl.ContentRepository;
+import de.kosit.validationtool.impl.tasks.CheckAction;
+
+import net.sf.saxon.s9api.*;
+
+/**
+ * Extrahiert HTML-Dokumente aus dem Report und persistiert diese im konfigurierten Ausgabe-Verzeichnis.
+ * 
+ * @author Andreas Penski
+ */
+@RequiredArgsConstructor
+@Slf4j
+public class ExtractHtmlContentAction implements CheckAction {
+
+    private static final QName NAME_ATTRIBUTE = new QName("data-report-type");
+
+    private final ContentRepository repository;
+
+    private final Path outputDirectory;
+
+    private XPathExecutable executable;
+
+    @Override
+    public void check(Bag results) {
+        try {
+            final XPathSelector selector = getSelector();
+            DocumentBuilder documentBuilder = repository.getProcessor().newDocumentBuilder();
+
+            final XdmNode xdmSource = documentBuilder.build(new DOMSource(results.getReport()));
+            selector.setContextItem(xdmSource);
+            selector.forEach(m -> print(results.getName(), m));
+
+        } catch (SaxonApiException e) {
+            throw new IllegalStateException("Can not extract html content", e);
+        }
+    }
+
+    private void print(String origName, XdmItem xdmItem) {
+        XdmNode node = (XdmNode) xdmItem;
+        final String name = origName + "-" + node.getAttributeValue(NAME_ATTRIBUTE);
+        final Path file = outputDirectory.resolve(name + ".html");
+        final Serializer serializer = repository.getProcessor().newSerializer(file.toFile());
+        try {
+            log.info("Writing report html '{}' to {}", name, file.toAbsolutePath());
+            serializer.serializeNode(node);
+        } catch (SaxonApiException e) {
+            log.info("Error extracting html content to {}", file.toAbsolutePath(), e);
+        }
+    }
+
+    private XPathSelector getSelector() {
+        if (executable == null) {
+            Map<String, String> ns = new HashMap<>();
+            ns.put("html", "http://www.w3.org/1999/xhtml");
+            executable = repository.createXPath("//html:html", ns);
+        }
+        return executable.load();
+    }
+
+    @Override
+    public boolean isSkipped(Bag results) {
+        if (results.getReport() == null) {
+            log.warn("Can not extract html content. No report document found");
+            return true;
+        }
+        return false;
+    }
+}