import com.sun.org.apache.xml.internal.serialize.DOMSerializerImpl; //导入依赖的package包/类
/**
 * DOM Level 3 LS CR - Experimental.
 * Create a new <code>LSSerializer</code> object.
 * @return The newly created <code>LSSerializer</code> object.
 * <p ><b>Note:</b>    By default, the newly created
 * <code>LSSerializer</code> has no <code>DOMErrorHandler</code>,
 * i.e. the value of the <code>"error-handler"</code> configuration
 * parameter is <code>null</code>. However, implementations may
 * provide a default error handler at creation time. In that case, the
 * initial value of the <code>"error-handler"</code> configuration
 * parameter on the new created <code>LSSerializer</code> contains a
 * reference to the default error handler.
 */
public LSSerializer createLSSerializer() {
    try {
        return new com.sun.org.apache.xml.internal.serializer.dom3.LSSerializerImpl();
    }
    catch (Exception e) {}
    // Fall back to Xerces' deprecated serializer if
    // the Xalan based serializer is unavailable.
    return new DOMSerializerImpl();
}
 

import com.sun.org.apache.xml.internal.serialize.DOMSerializerImpl; //导入依赖的package包/类
/**
     * DOM Level 3 LS CR - Experimental.
     * Create a new <code>LSSerializer</code> object.
     * @return The newly created <code>LSSerializer</code> object.
     * <p ><b>Note:</b>    By default, the newly created
     * <code>LSSerializer</code> has no <code>DOMErrorHandler</code>,
     * i.e. the value of the <code>"error-handler"</code> configuration
     * parameter is <code>null</code>. However, implementations may
     * provide a default error handler at creation time. In that case, the
     * initial value of the <code>"error-handler"</code> configuration
     * parameter on the new created <code>LSSerializer</code> contains a
     * reference to the default error handler.
     */
    public LSSerializer createLSSerializer() {
    return new DOMSerializerImpl();
}