Log4jUtil.java 文件源码

public static ClassDefinition<Layout> layoutClassDefintion(String className) {
    if("classic".equalsIgnoreCase(className))return new ClassDefinitionImpl( ClassicLayout.class);
    if("html".equalsIgnoreCase(className))return new ClassDefinitionImpl( HTMLLayout.class);
    if("xml".equalsIgnoreCase(className))return new ClassDefinitionImpl( XMLLayout.class);
    if("pattern".equalsIgnoreCase(className))return new ClassDefinitionImpl( PatternLayout.class);

    return new ClassDefinitionImpl( className);
}