| 1 | /** |
| 2 | * BSD-style license; for more info see http://xradar.sourceforge.net/license.html |
| 3 | */ |
| 4 | package org.sourceforge.xradar.config; |
| 5 | |
| 6 | import java.io.File; |
| 7 | import java.io.FileInputStream; |
| 8 | import java.io.FileNotFoundException; |
| 9 | import java.io.IOException; |
| 10 | import java.io.InputStream; |
| 11 | import java.util.Properties; |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | import java.util.logging.Logger; |
| 17 | |
| 18 | import org.sourceforge.xradar.XRadarException; |
| 19 | import org.sourceforge.xradar.util.StreamUtils; |
| 20 | |
| 21 | /** |
| 22 | * <p>Loads all the necessary data (such as Version, Release date...) concerning the Release</p> |
| 23 | * |
| 24 | * @author Romain PELISSE, belaran@gmail.com |
| 25 | * |
| 26 | */ |
| 27 | public class ReleaseDataLoader { |
| 28 | |
| 29 | private static final Logger logger = Logger.getLogger(ReleaseDataLoader.class.getSimpleName()); |
| 30 | private String filename; |
| 31 | |
| 32 | public ReleaseDataLoader() { |
| 33 | super(); |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * @return the filename |
| 38 | */ |
| 39 | public String getFilename() { |
| 40 | return filename; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param filename |
| 45 | * the filename to set |
| 46 | */ |
| 47 | public void setFilename(final String filename) { |
| 48 | this.filename = filename; |
| 49 | } |
| 50 | |
| 51 | public ReleaseDataLoader(final String filename) { |
| 52 | this.setFilename(filename); |
| 53 | } |
| 54 | |
| 55 | public ReleaseData load() { |
| 56 | // PropertiesAccessor propertiesAccessor = new PropertiesAccessor(this.filename); |
| 57 | // create and load default properties |
| 58 | final ReleaseData release = new ReleaseData(); |
| 59 | try { |
| 60 | final Properties propertiesAccessor = loadProperties(filename); |
| 61 | release.setSystem(propertiesAccessor.getProperty("version.label")); |
| 62 | release.setDate(propertiesAccessor.getProperty("date.label")); |
| 63 | release.setVersion(propertiesAccessor.getProperty("days.since.last.release")); |
| 64 | release.setSequencdeId(Integer.valueOf(propertiesAccessor.getProperty("sequence.id"))); |
| 65 | } catch (final XRadarException e) { |
| 66 | // TODO Don't know if xradar should fail or use default values |
| 67 | logger.fine("Can't load release properties file" + e.getMessage()); |
| 68 | } |
| 69 | return release; |
| 70 | } |
| 71 | |
| 72 | private Properties loadProperties(final String filename) throws XRadarException { |
| 73 | notNull(filename, "Missing release properties file"); |
| 74 | final Properties propertiesAccessor = new Properties(); |
| 75 | final File localFile = new File(filename); |
| 76 | InputStream in; |
| 77 | // Test if file exists locally |
| 78 | if (localFile.exists() && localFile.isFile()) { |
| 79 | try { |
| 80 | in = new FileInputStream(this.filename); |
| 81 | } catch (final FileNotFoundException e) { |
| 82 | throw new XRadarException("Can't find release properties file",e); |
| 83 | } |
| 84 | } else { |
| 85 | // Try to load from classpath |
| 86 | in = Thread.currentThread().getContextClassLoader().getResourceAsStream(filename); |
| 87 | if (in == null) { |
| 88 | throw new XRadarException("Can't find release properties file"); |
| 89 | } |
| 90 | } |
| 91 | try { |
| 92 | propertiesAccessor.load(in); |
| 93 | } catch (IOException e) { |
| 94 | throw new XRadarException("Can't find load data from properties file",e); |
| 95 | } finally { |
| 96 | StreamUtils.closeStream(in); |
| 97 | } |
| 98 | return propertiesAccessor; |
| 99 | } |
| 100 | |
| 101 | public ReleaseData load(final String filename) { |
| 102 | // Assign local variable to field before calling load() |
| 103 | this.filename = filename; |
| 104 | return this.load(); |
| 105 | } |
| 106 | |
| 107 | //TODO: Move to a static lib ? |
| 108 | public static void notNull(Object object, String message) { |
| 109 | if (object == null) { |
| 110 | throw new IllegalArgumentException(message); |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | |
| 116 | |
| 117 | |