Java tutorial
//package com.java2s; /** * Copyright (C) 2010 http://flowas.net/ * * 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. * * You can write to flowas@gmial.com for more customer requirement. */ import javax.xml.transform.OutputKeys; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; public class Main { private static final TransformerFactory transformerFactory = TransformerFactory.newInstance(); /** * @return a transformer that indents entries by 4 characters (never null) */ public static final Transformer createIndentingTransformer() { Transformer xformer; try { transformerFactory.setAttribute("indent-number", 4); xformer = transformerFactory.newTransformer(); } catch (Exception ex) { throw new IllegalStateException(ex); } xformer.setOutputProperty(OutputKeys.INDENT, "yes"); xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4"); return xformer; } }