Here you can find the source of removeWhitespace(Node node, boolean deep)
| Parameter | Description |
|---|---|
| node | Node to remove whitespace nodes from |
| deep | Should this method recurse into the node's children? |
public static void removeWhitespace(Node node, boolean deep)
//package com.java2s; /******************************************************************************* * Copyright 2012 Geoscience Australia/*from w w w.ja v a 2 s . co m*/ * * 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; import org.w3c.dom.NodeList; public class Main { /** * Remove any whitespace text nodes from the DOM. Calling this before saving * a formatted document will fix the formatting indentation of elements * loaded from a different document. * * @param node * Node to remove whitespace nodes from * @param deep * Should this method recurse into the node's children? */ public static void removeWhitespace(Node node, boolean deep) { NodeList children = node.getChildNodes(); int length = children.getLength(); for (int i = 0; i < length; i++) { Node child = children.item(i); if (child.getNodeType() == Node.TEXT_NODE && length > 1) { Node previous = child.getPreviousSibling(); Node next = child.getNextSibling(); if ((previous == null || previous.getNodeType() == Node.ELEMENT_NODE || previous.getNodeType() == Node.COMMENT_NODE) && (next == null || next.getNodeType() == Node.ELEMENT_NODE || next.getNodeType() == Node.COMMENT_NODE)) { String content = child.getTextContent(); if (content.matches("\\s*")) //$NON-NLS-1$ { node.removeChild(child); i--; length--; } } } else if (deep && child.getNodeType() == Node.ELEMENT_NODE) { removeWhitespace(child, deep); } } } }