/** @param element */
 private void validatePlugins(Element parent) {
   NodeList list = getChildrenByName(parent, "plugin"); // $NON-NLS-1$
   for (int i = 0; i < list.getLength(); i++) {
     if (fMonitor.isCanceled()) return;
     Element plugin = (Element) list.item(i);
     assertAttributeDefined(plugin, "id", CompilerFlags.ERROR); // $NON-NLS-1$
     assertAttributeDefined(plugin, "version", CompilerFlags.ERROR); // $NON-NLS-1$
     NamedNodeMap attributes = plugin.getAttributes();
     boolean isFragment =
         plugin.getAttribute("fragment").equals("true"); // $NON-NLS-1$ //$NON-NLS-2$
     for (int j = 0; j < attributes.getLength(); j++) {
       Attr attr = (Attr) attributes.item(j);
       String name = attr.getName();
       if (name.equals("id")) { // $NON-NLS-1$
         validatePluginID(plugin, attr, isFragment);
       } else if (name.equals("version")) { // $NON-NLS-1$
         validateVersionAttribute(plugin, attr);
         validateVersion(plugin, attr);
       } else if (name.equals("fragment") || name.equals("unpack")) { // $NON-NLS-1$ //$NON-NLS-2$
         validateBoolean(plugin, attr);
       } else if (!name.equals("os")
           && !name.equals("ws")
           && !name.equals("nl") // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
           && !name.equals("arch")
           && !name.equals("download-size") // $NON-NLS-1$ //$NON-NLS-2$
           && !name.equals("install-size")
           && !name.equals("filter")) { // $NON-NLS-1$ //$NON-NLS-2$
         reportUnknownAttribute(plugin, name, CompilerFlags.ERROR);
       }
     }
     validateUnpack(plugin);
   }
 }
 private void validateImports(Element parent) {
   NodeList list = getChildrenByName(parent, "import"); // $NON-NLS-1$
   for (int i = 0; i < list.getLength(); i++) {
     if (fMonitor.isCanceled()) return;
     Element element = (Element) list.item(i);
     Attr plugin = element.getAttributeNode("plugin"); // $NON-NLS-1$
     Attr feature = element.getAttributeNode("feature"); // $NON-NLS-1$
     if (plugin == null && feature == null) {
       assertAttributeDefined(element, "plugin", CompilerFlags.ERROR); // $NON-NLS-1$
     } else if (plugin != null && feature != null) {
       reportExclusiveAttributes(
           element, "plugin", "feature", CompilerFlags.ERROR); // $NON-NLS-1$//$NON-NLS-2$
     } else if (plugin != null) {
       validatePluginID(element, plugin, false);
     } else if (feature != null) {
       validateFeatureID(element, feature);
     }
     NamedNodeMap attributes = element.getAttributes();
     for (int j = 0; j < attributes.getLength(); j++) {
       Attr attr = (Attr) attributes.item(j);
       String name = attr.getName();
       if (name.equals("version")) { // $NON-NLS-1$
         validateVersionAttribute(element, attr);
       } else if (name.equals("match")) { // $NON-NLS-1$
         if (element.getAttributeNode("patch") != null) { // $NON-NLS-1$
           report(
               NLS.bind(PDECoreMessages.Builders_Feature_patchedMatch, attr.getValue()),
               getLine(element, attr.getValue()),
               CompilerFlags.ERROR,
               PDEMarkerFactory.CAT_FATAL);
         } else {
           validateMatch(element, attr);
         }
       } else if (name.equals("patch")) { // $NON-NLS-1$
         if ("true".equalsIgnoreCase(attr.getValue()) && feature == null) { // $NON-NLS-1$
           report(
               NLS.bind(PDECoreMessages.Builders_Feature_patchPlugin, attr.getValue()),
               getLine(element, attr.getValue()),
               CompilerFlags.ERROR,
               PDEMarkerFactory.CAT_FATAL);
         } else if ("true".equalsIgnoreCase(attr.getValue())
             && element.getAttributeNode("version") == null) { // $NON-NLS-1$ //$NON-NLS-2$
           report(
               NLS.bind(PDECoreMessages.Builders_Feature_patchedVersion, attr.getValue()),
               getLine(element, attr.getValue()),
               CompilerFlags.ERROR,
               PDEMarkerFactory.CAT_FATAL);
         } else {
           validateBoolean(element, attr);
         }
       } else if (!name.equals("plugin")
           && !name.equals("feature")
           && !name.equals("filter")) { // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
         reportUnknownAttribute(element, name, CompilerFlags.ERROR);
       }
     }
   }
 }
 private void validateFeatureID(Element element, Attr attr) {
   int severity = CompilerFlags.getFlag(fProject, CompilerFlags.F_UNRESOLVED_FEATURES);
   if (severity != CompilerFlags.IGNORE) {
     IFeatureModel[] models =
         PDECore.getDefault().getFeatureModelManager().findFeatureModels(attr.getValue());
     if (models.length == 0) {
       report(
           NLS.bind(PDECoreMessages.Builders_Feature_freference, attr.getValue()),
           getLine(element, attr.getName()),
           severity,
           PDEMarkerFactory.CAT_OTHER);
     }
   }
 }
 /**
  * Validates that the version of the given plug-in is available in the registry. Adds a warning if
  * the plug-in could not be found.
  *
  * @param plugin xml element describing the plug-in to look for in the registry
  * @param attr set of element attributes
  */
 private void validateVersion(Element plugin, Attr attr) {
   String id = plugin.getAttribute("id"); // $NON-NLS-1$
   String version = plugin.getAttribute("version"); // $NON-NLS-1$
   if (id.trim().length() == 0
       || version.trim().length() == 0
       || version.equals("0.0.0")) // $NON-NLS-1$
   return;
   ModelEntry entry = PluginRegistry.findEntry(id);
   if (entry != null) {
     IPluginModelBase[] allModels = entry.getActiveModels();
     for (int i = 0; i < allModels.length; i++) {
       IPluginModelBase availablePlugin = allModels[i];
       if (id.equals(availablePlugin.getPluginBase().getId())) {
         if (version.equals(availablePlugin.getPluginBase().getVersion())) {
           return;
         }
       }
     }
   }
   report(
       NLS.bind(
           PDECoreMessages.Builders_Feature_mismatchPluginVersion, new String[] {version, id}),
       getLine(plugin, attr.getName()),
       CompilerFlags.WARNING,
       PDEMarkerFactory.CAT_OTHER);
 }
 private void validateDescription(Element parent) {
   NodeList list = getChildrenByName(parent, "description"); // $NON-NLS-1$
   if (list.getLength() > 0) {
     if (fMonitor.isCanceled()) return;
     Element element = (Element) list.item(0);
     validateElementWithContent((Element) list.item(0), true);
     NamedNodeMap attributes = element.getAttributes();
     for (int i = 0; i < attributes.getLength(); i++) {
       Attr attr = (Attr) attributes.item(i);
       String name = attr.getName();
       if (name.equals("url")) { // $NON-NLS-1$
         validateURL(element, name);
       } else {
         reportUnknownAttribute(element, name, CompilerFlags.ERROR);
       }
     }
     reportExtraneousElements(list, 1);
   }
 }
 private void validatePluginID(Element element, Attr attr, boolean isFragment) {
   String id = attr.getValue();
   if (!validatePluginID(element, attr)) {
     return;
   }
   int severity = CompilerFlags.getFlag(fProject, CompilerFlags.F_UNRESOLVED_PLUGINS);
   if (severity != CompilerFlags.IGNORE) {
     IPluginModelBase model = PluginRegistry.findModel(id);
     if (model == null
         || !model.isEnabled()
         || (isFragment && !model.isFragmentModel())
         || (!isFragment && model.isFragmentModel())) {
       report(
           NLS.bind(PDECoreMessages.Builders_Feature_reference, id),
           getLine(element, attr.getName()),
           severity,
           PDEMarkerFactory.CAT_OTHER);
     }
   }
 }
  private void validateIncludes(Element parent) {
    NodeList list = getChildrenByName(parent, "includes"); // $NON-NLS-1$
    for (int i = 0; i < list.getLength(); i++) {
      if (fMonitor.isCanceled()) return;
      Element include = (Element) list.item(i);
      if (assertAttributeDefined(include, "id", CompilerFlags.ERROR) // $NON-NLS-1$
          && assertAttributeDefined(
              include,
              "version", //$NON-NLS-1$
              CompilerFlags.ERROR)) {

        validateFeatureID(include, include.getAttributeNode("id")); // $NON-NLS-1$
      }
      NamedNodeMap attributes = include.getAttributes();
      for (int j = 0; j < attributes.getLength(); j++) {
        Attr attr = (Attr) attributes.item(j);
        String name = attr.getName();
        if (name.equals("version")) { // $NON-NLS-1$
          validateVersionAttribute(include, attr);
        } else if (name.equals("optional")) { // $NON-NLS-1$
          validateBoolean(include, attr);
        } else if (name.equals("search-location")) { // $NON-NLS-1$
          String value = include.getAttribute("search-location"); // $NON-NLS-1$
          if (!value.equals("root")
              && !value.equals("self")
              && !value.equals("both")) { // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            reportIllegalAttributeValue(include, attr);
          }
        } else if (!name.equals("id")
            && !name.equals("name")
            && !name.equals("os")
            && !name.equals("ws") // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
            && !name.equals("nl")
            && !name.equals("arch")
            && !name.equals("filter")) { // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
          reportUnknownAttribute(include, name, CompilerFlags.ERROR);
        }
      }
    }
  }
 private void validateData(Element parent) {
   NodeList list = getChildrenByName(parent, "data"); // $NON-NLS-1$
   for (int i = 0; i < list.getLength(); i++) {
     if (fMonitor.isCanceled()) return;
     Element data = (Element) list.item(i);
     assertAttributeDefined(data, "id", CompilerFlags.ERROR); // $NON-NLS-1$
     NamedNodeMap attributes = data.getAttributes();
     for (int j = 0; j < attributes.getLength(); j++) {
       Attr attr = (Attr) attributes.item(j);
       String name = attr.getName();
       if (!name.equals("id")
           && !name.equals("os")
           && !name.equals("ws") // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
           && !name.equals("nl")
           && !name.equals("arch") // $NON-NLS-1$ //$NON-NLS-2$
           && !name.equals("download-size")
           && !name.equals("install-size")) { // $NON-NLS-1$ //$NON-NLS-2$
         reportUnknownAttribute(data, name, CompilerFlags.ERROR);
       }
     }
   }
 }