[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | |
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| 19 | package org.apache.hadoop.util; |
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| 20 | |
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| 21 | import javax.xml.transform.*; |
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| 22 | import javax.xml.transform.stream.*; |
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| 23 | import java.io.*; |
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| 24 | |
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| 25 | /** |
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| 26 | * General xml utilities. |
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| 27 | * |
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| 28 | */ |
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| 29 | public class XMLUtils { |
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| 30 | /** |
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| 31 | * Transform input xml given a stylesheet. |
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| 32 | * |
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| 33 | * @param styleSheet the style-sheet |
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| 34 | * @param xml input xml data |
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| 35 | * @param out output |
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| 36 | * @throws TransformerConfigurationException |
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| 37 | * @throws TransformerException |
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| 38 | */ |
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| 39 | public static void transform( |
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| 40 | InputStream styleSheet, InputStream xml, Writer out |
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| 41 | ) |
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| 42 | throws TransformerConfigurationException, TransformerException { |
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| 43 | // Instantiate a TransformerFactory |
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| 44 | TransformerFactory tFactory = TransformerFactory.newInstance(); |
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| 45 | |
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| 46 | // Use the TransformerFactory to process the |
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| 47 | // stylesheet and generate a Transformer |
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| 48 | Transformer transformer = tFactory.newTransformer( |
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| 49 | new StreamSource(styleSheet) |
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| 50 | ); |
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| 51 | |
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| 52 | // Use the Transformer to transform an XML Source |
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| 53 | // and send the output to a Result object. |
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| 54 | transformer.transform(new StreamSource(xml), new StreamResult(out)); |
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| 55 | } |
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| 56 | } |
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