Here you can find the source of removePreviousWhiteSpace(Node node)
public static void removePreviousWhiteSpace(Node node)
//package com.java2s; /*/*from w w w.j a va 2 s . c o m*/ * JBoss, Home of Professional Open Source * Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual * contributors by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import org.w3c.dom.Node; public class Main { public static void removePreviousWhiteSpace(Node node) { Node prev = node.getPreviousSibling(); if (prev != null && prev.getNodeType() == Node.TEXT_NODE && prev.getNodeValue().trim().length() == 0) { node.getParentNode().removeChild(prev); } } }