本文整理了Java中org.jdom2.Element.isAncestor()方法的一些代码示例，展示了Element.isAncestor()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Element.isAncestor()方法的具体详情如下：
包路径：org.jdom2.Element
类名称：Element
方法名：isAncestor

Element.isAncestor介绍

[英]Determines if this element is the ancestor of another element.
[中]确定此元素是否是另一个元素的祖先。

代码示例

代码示例来源：origin: org.jdom/jdom

private final void checkPreConditions(final Content child, final int index,
    final boolean replace) {
  if (child == null) {
    throw new NullPointerException("Cannot add null object");
  }
  checkIndex(index, replace);
  if (child.getParent() != null) {
    // the content to be added already has a parent.
    final Parent p = child.getParent();
    if (p instanceof Document) {
      throw new IllegalAddException((Element) child,
          "The Content already has an existing parent document");
    }
    throw new IllegalAddException(
        "The Content already has an existing parent \"" +
            ((Element) p).getQualifiedName() + "\"");
  }
  if (child == parent) {
    throw new IllegalAddException(
        "The Element cannot be added to itself");
  }
  // Detect if we have <a><b><c/></b></a> and c.add(a)
  if ((parent instanceof Element && child instanceof Element) &&
      ((Element) child).isAncestor((Element) parent)) {
    throw new IllegalAddException(
        "The Element cannot be added as a descendent of itself");
  }
}

代码示例来源：origin: org.codehaus.plexus/plexus-component-metadata

/**
 * @see org.jdom2.Element#isAncestor(org.jdom2.Element)
 * @param element {@link Element}.
 * @return true/false.
 */
public boolean isAncestor( Element element )
{
  return element.isAncestor( element );
}