1 files changed, 117 insertions, 0 deletions
diff --git a/plugins/org.eclipse.osee.ats.help.ui.test/src/org/eclipse/osee/ats/help/ui/util/HtmlParser.java b/plugins/org.eclipse.osee.ats.help.ui.test/src/org/eclipse/osee/ats/help/ui/util/HtmlParser.java
new file mode 100644
index 00000000000..c3a57acd34e
--- /dev/null
+++ b/plugins/org.eclipse.osee.ats.help.ui.test/src/org/eclipse/osee/ats/help/ui/util/HtmlParser.java
@@ -0,0 +1,117 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Boeing.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Boeing - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.osee.ats.help.ui.util;
+
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.HashSet;
+import java.util.Set;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamReader;
+import org.eclipse.osee.framework.jdk.core.util.Lib;
+import org.eclipse.osee.framework.jdk.core.util.Strings;
+
+/**
+ * @author Angel Avila
+ */
+public class HtmlParser {
+
+   private static final XMLInputFactory xmlInputFactory = XMLInputFactory.newFactory();
+
+   private static final String LINK_NODE = "link";
+   private static final String HREF_TAG = "href";
+   private static final String SRC_TAG = "src";
+
+   private final String pathHint;
+
+   public HtmlParser(String pathHint) {
+      this.pathHint = pathHint;
+   }
+
+   private String getPath(String fullPath) {
+      StringBuilder builder = new StringBuilder();
+
+      String[] parts = fullPath.split("/");
+      boolean found = false;
+      for (String part : parts) {
+         if (found && !part.endsWith(".html")) {
+            builder.append(part);
+            builder.append("/");
+         }
+         if (pathHint.equals(part)) {
+            found = true;
+         }
+      }
+      return builder.toString();
+   }
+
+   public Set<String> parse(URL url) throws Exception {
+      Set<String> entries = new HashSet<String>();
+      entries.clear();
+
+      String pathPrefix = getPath(url.toString());
+
+      InputStream inputStream = null;
+      try {
+         inputStream = new BufferedInputStream(url.openStream());
+         XMLStreamReader streamReader = xmlInputFactory.createXMLStreamReader(inputStream);
+         while (streamReader.hasNext()) {
+            process(streamReader, pathPrefix, entries);
+            streamReader.next();
+         }
+
+      } finally {
+         Lib.close(inputStream);
+      }
+
+      return entries;
+   }
+
+   private void process(XMLStreamReader reader, String pathPrefix, Set<String> entries) {
+      int eventType = reader.getEventType();
+      switch (eventType) {
+         case XMLStreamConstants.START_ELEMENT:
+            String localName = reader.getLocalName();
+            for (int index = 0; index < reader.getAttributeCount(); index++) {
+
+               String attributeName = reader.getAttributeLocalName(index);
+               String value = reader.getAttributeValue(index);
+
+               if (Strings.isValid(value)) {
+                  if (!LINK_NODE.equals(localName)) {
+                     if (HREF_TAG.equals(attributeName) || SRC_TAG.equals(attributeName)) {
+                        processResource(pathPrefix, entries, value);
+                     }
+                  }
+               }
+            }
+            break;
+      }
+   }
+
+   private void processResource(String pathPrefix, Set<String> references, String value) {
+      if (!isExternalLink(value)) {
+         String reference = normalizePath(pathPrefix, value);
+         references.add(reference);
+      }
+   }
+
+   private String normalizePath(String pathPrefix, String reference) {
+      String path = reference.replaceAll("\\.html#.*", ".html");
+      return String.format("%s%s", pathPrefix, path);
+   }
+
+   private boolean isExternalLink(String resource) {
+      return resource.contains("://");
+   }
+}