java - 详细格式化程序 : code snippet cannot refer to other classes whose import is not declared

Question

我正在使用 Eclipse Oxygen.3a

我有一个类，它是 XML 文件的表示。此类没有重写toString()。我想使用 Detail Formatter 来显示它所表示的 XML 的 pretty-print 格式。

详细格式化程序代码片段:

try{
        String xml = getXmlString(); // This method returns single line string representation of the XML
        final InputSource src = new InputSource(new StringReader(xml));
        final Node document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(src).getDocumentElement();
        final Boolean keepDeclaration = Boolean.valueOf(xml.startsWith("<?xml"));
        final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
        final LSSerializer writer = impl.createLSSerializer();

        writer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE); // Set this to true if the output needs to be beautified.
        writer.getDomConfig().setParameter("xml-declaration", keepDeclaration); // Set this to true if the declaration is needed to be outputted.

        return writer.writeToString(document);
    }
    catch (Exception e) {
        return getXmlString();
    }

问题是，我定义的类没有我在代码片段中使用的许多类的导入声明。这会导致以下错误:

Detail formatter error:
    InputSource cannot be resolved to a type
    InputSource cannot be resolved to a type
    StringReader cannot be resolved to a type
    Node cannot be resolved to a type
    DOMImplementationRegistry cannot be resolved to a type
    DOMImplementationRegistry cannot be resolved
    DOMImplementationLS cannot be resolved to a type
    DOMImplementationLS cannot be resolved to a type
    LSSerializer cannot be resolved to a type

如何实现这一目标？如果Detail Formatter不能支持这一点，还有其他方法可以实现吗？

注意 这个类是一个遗留类，我正在尝试为其编写详细格式化程序。我有源代码，但我无法对此类进行任何更改。

Answer 1

使用完整的类路径。
例如:

java.lang.String xml = getXmlString();