| Line | Hits | Source |
|---|---|---|
| 1 | package umich.cac.xml; | |
| 2 | ||
| 3 | import java.io.File; | |
| 4 | import java.util.logging.Level; | |
| 5 | import java.util.logging.Logger; | |
| 6 | ||
| 7 | import javax.xml.transform.TransformerException; | |
| 8 | ||
| 9 | import org.apache.xpath.XPathAPI; | |
| 10 | import org.w3c.dom.Document; | |
| 11 | import org.w3c.dom.Element; | |
| 12 | import org.w3c.dom.Node; | |
| 13 | import org.w3c.dom.NodeList; | |
| 14 | import org.w3c.dom.Text; | |
| 15 | ||
| 16 | import umich.cac.util.Passwd; | |
| 17 | import umich.cac.util.XmlUtil; | |
| 18 | ||
| 19 | /** | |
| 20 | * Converts PBS XML file to NPACI Joblog format. It first reads in the XML file | |
| 21 | * as Document object, inserts a <UID> tag to the XML document by reading | |
| 22 | * the <USER> tag and looks up the | |
| 23 | * | |
| 24 | * corresponding UID from the password file. Then it uses the npaci_joblog.xsl | |
| 25 | * | |
| 26 | * transform on this XML document to produce the final output. | |
| 27 | * | |
| 28 | * <pre> | |
| 29 | * [pbs.xml] ---> [DOM (ADD UID TO XML)] --->[XSL TRANSFORM with npaci_joglog.xsl ] --> joblog.out | |
| 30 | * </pre> | |
| 31 | * | |
| 32 | * | |
| 33 | * | |
| 34 | * | |
| 35 | * The usage is | |
| 36 | * | |
| 37 | * <pre> | |
| 38 | * java umich.cac.xml.PbsToJoblog <pbs xml file> <output file> | |
| 39 | * </pre> | |
| 40 | * | |
| 41 | * @author rmach@umich.edu | |
| 42 | * @version $Header: /cvsroot/pbsaccounting/pbsaccounting/src/umich/cac/xml/PbsToJoblog.java,v 1.4 2003/10/21 19:07:45 rodmach Exp $ | |
| 43 | * | |
| 44 | */ | |
| 45 | ||
| 46 | 0 | public class PbsToJoblog { |
| 47 | ||
| 48 | /** XPATH query to Get all user elements in the document */ | |
| 49 | ||
| 50 | 0 | private static String xpath = "//user"; |
| 51 | ||
| 52 | /** Logger */ | |
| 53 | ||
| 54 | 0 | private static Logger logger = |
| 55 | 0 | Logger.getLogger(PbsToJoblog.class.getName()); |
| 56 | ||
| 57 | /** | |
| 58 | * | |
| 59 | * Prints the usage to STDOUT and exits | |
| 60 | * | |
| 61 | */ | |
| 62 | ||
| 63 | public static void usage() { | |
| 64 | ||
| 65 | 0 | String usage = |
| 66 | "Usage: PbsToJoblog " + "<PBS Xml file> <outputfilename>"; | |
| 67 | 0 | System.out.println(usage); |
| 68 | 0 | System.exit(-1); |
| 69 | ||
| 70 | 0 | } |
| 71 | ||
| 72 | /** | |
| 73 | * | |
| 74 | * Main. Usage is | |
| 75 | * | |
| 76 | * <pre> | |
| 77 | * java umich.cac.xml.PbsToJoblog <filename.xml> <outputfile> | |
| 78 | * | |
| 79 | * </pre> | |
| 80 | * | |
| 81 | * @param args | |
| 82 | * argument one is XML file, argument two is output file | |
| 83 | * | |
| 84 | */ | |
| 85 | ||
| 86 | public static void main(String args[]) { | |
| 87 | ||
| 88 | 0 | if (args.length != 2) { |
| 89 | 0 | usage(); |
| 90 | } | |
| 91 | ||
| 92 | 0 | String xmlFile = args[0]; |
| 93 | 0 | String outputFile = args[1]; |
| 94 | ||
| 95 | //Do some basic error checking | |
| 96 | ||
| 97 | 0 | File testFile = new File(xmlFile); |
| 98 | ||
| 99 | 0 | if (!testFile.exists()) { |
| 100 | 0 | logger.log(Level.SEVERE, "File does not exist"); |
| 101 | 0 | System.exit(-1); |
| 102 | 0 | } else if (!testFile.canRead()) { |
| 103 | 0 | logger.log(Level.SEVERE, "Unable to read file, check permissions"); |
| 104 | 0 | System.exit(-1); |
| 105 | 0 | } else if (!testFile.isFile()) { |
| 106 | 0 | logger.log(Level.SEVERE, "Is not a file, please use a file"); |
| 107 | 0 | System.exit(-1); |
| 108 | } | |
| 109 | ||
| 110 | //Object that looks up UID's from the passwd file | |
| 111 | 0 | Passwd passwd = null; |
| 112 | try { | |
| 113 | 0 | passwd = new Passwd(); |
| 114 | 0 | } catch (Exception e) { |
| 115 | 0 | logger.log( |
| 116 | Level.SEVERE, | |
| 117 | "Unable to read passwd file to lookup UID's", | |
| 118 | e); | |
| 119 | ||
| 120 | 0 | } |
| 121 | ||
| 122 | 0 | Document doc = XmlUtil.parseXmlFile(xmlFile, false); |
| 123 | ||
| 124 | 0 | if (doc == null) { |
| 125 | 0 | logger.log(Level.SEVERE, "Unable to parse file" + xmlFile); |
| 126 | 0 | System.exit(-1); |
| 127 | ||
| 128 | } | |
| 129 | ||
| 130 | try { | |
| 131 | ||
| 132 | // Get the matching elements | |
| 133 | ||
| 134 | 0 | NodeList nodelist = XPathAPI.selectNodeList(doc, xpath); |
| 135 | ||
| 136 | // Process the elements in the nodelist | |
| 137 | ||
| 138 | 0 | for (int i = 0; i < nodelist.getLength(); i++) { |
| 139 | ||
| 140 | // Get <USER> element | |
| 141 | 0 | Element userElement = (Element) nodelist.item(i); |
| 142 | ||
| 143 | //Get the value (username) inside <USER> | |
| 144 | // element | |
| 145 | 0 | Text userName = (Text) userElement.getFirstChild(); |
| 146 | ||
| 147 | //Get the UID for this user | |
| 148 | 0 | long uid = -1; |
| 149 | ||
| 150 | 0 | if (passwd != null) { |
| 151 | 0 | uid = passwd.lookupUid(userName.getData()); |
| 152 | } | |
| 153 | ||
| 154 | //Create the <UID> tag | |
| 155 | 0 | Element element = doc.createElement("uid"); |
| 156 | ||
| 157 | //Add the uid value | |
| 158 | 0 | Text text = doc.createTextNode(String.valueOf(uid)); |
| 159 | ||
| 160 | 0 | element.appendChild(text); |
| 161 | //Add it to the parent before the <USER> | |
| 162 | // element | |
| 163 | ||
| 164 | 0 | Node parent = userElement.getParentNode(); |
| 165 | 0 | parent.insertBefore(element, userElement); |
| 166 | ||
| 167 | } | |
| 168 | ||
| 169 | 0 | } catch (TransformerException e) { |
| 170 | 0 | logger.log(Level.SEVERE, "Unable to modify XML file " + xmlFile, e); |
| 171 | 0 | System.exit(-1); |
| 172 | ||
| 173 | 0 | } |
| 174 | ||
| 175 | //XmlUtil.writeXmlFile(doc,"modified.xml"); | |
| 176 | //Write out the joblog file | |
| 177 | 0 | XmlUtil.createStreamOutputFile(doc, "npaci_joblog.xsl", outputFile); |
| 178 | ||
| 179 | 0 | } |
| 180 | ||
| 181 | } |
|
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