示例#1
0
  public CoordinateReferenceSystem readPrjToCRS() throws IOException {
    Resource prj = getPrjFile();
    if (prj == null || !Resources.exists(prj)) {
      return null;
    }

    try (InputStream is = prj.in()) {
      return CRS.parseWKT(IOUtils.toString(is));
    } catch (Exception e) {
      throw (IOException) new IOException().initCause(e);
    }
  }
  void initializeDataSource() throws Exception {
    Resource monitoringDir = dataDirectory.get("monitoring");
    Resource dbprops = monitoringDir.get("db.properties");
    if (Resources.exists(dbprops)) {
      LOGGER.info("Configuring monitoring database from: " + dbprops.path());

      // attempt to configure
      try {
        configureDataSource(dbprops, monitoringDir);
      } catch (SQLException e) {
        // configure failed, try db1.properties
        dbprops = monitoringDir.get("db1.properties");
        if (Resources.exists(dbprops)) {
          try {
            configureDataSource(dbprops, monitoringDir);

            // secondary file worked, return
            return;
          } catch (SQLException e1) {
            // secondary file failed as well, try for third
            dbprops = monitoringDir.get("db2.properties");
            if (Resources.exists(dbprops)) {
              try {
                configureDataSource(dbprops, monitoringDir);

                // third file worked, return
                return;
              } catch (SQLException e2) {
              }
            }
          }
        }

        throw e;
      }
    } else {
      // no db.properties file, use internal default
      configureDataSource(null, monitoringDir);
    }
  }
  /**
   * Check for the existence of the file, if the file exists do nothing.
   *
   * <p>If the file does not exist, check for a template file contained in the jar with the same
   * name, if found, use it.
   *
   * <p>If no template was found, use the default template
   *
   * @param fileName target location
   * @param namedRoot parent dir if fileName is relative
   * @param defaultResource the standard template
   * @throws IOException
   * @return the file to use
   */
  protected Resource checkORCreateJDBCPropertyFile(
      String fileName, Resource namedRoot, String defaultResource) throws IOException {

    Resource resource;
    fileName = fileName != null ? fileName : defaultResource;
    File file = new File(fileName);
    if (file.isAbsolute()) {
      resource = Files.asResource(file);
    } else {
      resource = namedRoot.get(fileName);
    }

    if (Resources.exists(resource)) {
      return resource; // we are happy
    }

    // try to find a template with the same name
    InputStream is = this.getClass().getResourceAsStream(fileName);
    if (is != null) IOUtils.copy(is, resource.out());
    else // use the default template
    FileUtils.copyURLToFile(getClass().getResource(defaultResource), file);

    return resource;
  }