dom/openapi/src/com/intellij/util/xml/model/impl/DomModelFactoryHelper.java

   1 package com.intellij.util.xml.model.impl;
   2
   3 import com.intellij.util.xml.ModelMerger;
   4 import com.intellij.util.xml.DomFileElement;
   5 import com.intellij.util.xml.DomManager;
   6 import com.intellij.util.xml.DomElement;
   7 import com.intellij.psi.xml.XmlFile;
   8 import org.jetbrains.annotations.NotNull;
   9 import org.jetbrains.annotations.Nullable;
  10
  11 /**
  12  * User: Sergey.Vasiliev
  13  */
  14 public class DomModelFactoryHelper<T extends DomElement> {
  15   protected final Class<T> myClass;
  16   protected final ModelMerger myModelMerger;
  17
  18   public DomModelFactoryHelper(@NotNull Class<T> aClass, @NotNull ModelMerger modelMerger) {
  19     myClass = aClass;
  20     myModelMerger = modelMerger;
  21   }
  22
  23   @Nullable
  24   public T getDom(@NotNull XmlFile configFile) {
  25     final DomFileElement<T> element = getDomRoot(configFile);
  26     return element == null ? null : element.getRootElement();
  27   }
  28
  29   @Nullable
  30   public DomFileElement<T> getDomRoot(@NotNull XmlFile configFile) {
  31     return DomManager.getDomManager(configFile.getProject()).getFileElement(configFile, myClass);
  32   }
  33
  34   public Class<T> getDomModelClass() {
  35     return myClass;
  36   }
  37
  38   public ModelMerger getModelMerger() {
  39     return myModelMerger;
  40   }
  41 }