opendaylight/netconf/netconf-util/src/test/java/org/opendaylight/controller/netconf/util/test/XmlFileLoader.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.netconf.util.test;
  10
  11 import com.google.common.base.Charsets;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.io.ByteSource;
  14 import java.io.IOException;
  15 import java.io.InputStream;
  16 import javax.xml.parsers.ParserConfigurationException;
  17 import org.opendaylight.controller.netconf.api.NetconfMessage;
  18 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  19 import org.w3c.dom.Document;
  20 import org.w3c.dom.Element;
  21 import org.xml.sax.SAXException;
  22
  23 public class XmlFileLoader {
  24
  25     public static NetconfMessage xmlFileToNetconfMessage(final String fileName) throws IOException, SAXException,
  26             ParserConfigurationException {
  27         return new NetconfMessage(xmlFileToDocument(fileName));
  28     }
  29
  30     public static Element xmlFileToElement(final String fileName) throws IOException, SAXException,
  31             ParserConfigurationException {
  32         return xmlFileToDocument(fileName).getDocumentElement();
  33     }
  34
  35     public static String xmlFileToString(final String fileName) throws IOException, SAXException,
  36             ParserConfigurationException {
  37         return XmlUtil.toString(xmlFileToDocument(fileName));
  38     }
  39
  40     public static Document xmlFileToDocument(final String fileName) throws IOException, SAXException,
  41             ParserConfigurationException {
  42         try (InputStream resourceAsStream = XmlFileLoader.class.getClassLoader().getResourceAsStream(fileName)) {
  43             Preconditions.checkNotNull(resourceAsStream, fileName);
  44             final Document doc = XmlUtil.readXmlToDocument(resourceAsStream);
  45             return doc;
  46         }
  47     }
  48
  49     public static String fileToString(final String fileName) throws IOException {
  50         try (InputStream resourceAsStream = XmlFileLoader.class.getClassLoader().getResourceAsStream(fileName)) {
  51             Preconditions.checkNotNull(resourceAsStream);
  52             return new ByteSource() {
  53                 @Override
  54                 public InputStream openStream() {
  55                     return resourceAsStream;
  56                 }
  57             }.asCharSource(Charsets.UTF_8).read();
  58
  59         }
  60     }
  61
  62     public static InputStream getResourceAsStream(final String fileName) {
  63         return XmlFileLoader.class.getClassLoader().getResourceAsStream(fileName);
  64     }
  65 }