本文整理了Java中org.javalite.common.Util类的一些代码示例，展示了Util类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util类的具体详情如下：
包路径：org.javalite.common.Util
类名称：Util

Util介绍

暂无

代码示例

代码示例来源：origin: javalite/activejdbc

/**
   * @param source instance of String
   * @return null if source is empty or contains only whitespaces, source otherwise
   */
  @Override
  public Object convert(String source) {
    return blank(source) ? null : source;
  }
}

代码示例来源：origin: javalite/activejdbc

private String getAllColumns(String[] columns){
  return columns == null ? " *" : " " + join(columns, ", ");
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads contents of the input stream fully and returns it as String. Sets UTF-8 encoding internally.
 *
 * @param in InputStream to read from.
 * @return contents of the input stream fully as String.
 * @throws IOException in case of IO error
 */
public static String read(InputStream in) throws IOException {
  return read(in, "UTF-8");
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads file into a byte array.
 *
 * @param file file to read.
 * @return content of file.
 * @throws java.io.IOException
 */
public static byte[] read(File file) throws IOException {
  FileInputStream is = new FileInputStream(file);
  try {
    return bytes(is);
  } finally {
    closeQuietly(is);
  }
}

代码示例来源：origin: javalite/activejdbc

/**
 * Saves content of byte array to file.
 *
 * @param path path to file - can be absolute or relative to current.
 * @param content bytes to save.
 */
public static void saveTo(String path, byte[] content) {
  InputStream is = null;
  try {
    is = new ByteArrayInputStream(content);
    saveTo(path, is);
  } finally {
    closeQuietly(is);
  }
}

代码示例来源：origin: javalite/activejdbc

/**
 * Joins the items in array with a delimiter.
 *
 * @param array array of items to join.
 * @param delimiter delimiter to insert between elements of array.
 * @return string with array elements separated by delimiter. There is no trailing delimiter in the string.
 */
public static String join(String[] array, String delimiter) {
  if (empty(array)) { return ""; }
  StringBuilder sb = new StringBuilder();
  join(sb, array, delimiter);
  return sb.toString();
}

代码示例来源：origin: javalite/activejdbc

/**
 * Splits a string into an array using provided delimiter. Empty (but not blank) split chunks are omitted.
 * The split chunks are trimmed.
 *
 * @param input string to split.
 * @param delimiter delimiter
 * @return a string split into an array using a provided delimiter
 */
public static String[] split(String input, char delimiter) {
  return split(input, String.valueOf(delimiter));
}

代码示例来源：origin: javalite/activejdbc

private static String exec(String command) {

    Runtime runtime = Runtime.getRuntime();

    try {

      Process p = runtime.exec(command);
      String output = read(p.getInputStream());
      String error = read(p.getErrorStream());

      if (!blank(error)) {
        throw new ExecException(error);
      }
      return output;
    } catch (ExecException e) {
      throw e;
    } catch (Exception e) {
      throw new ExecException(e);
    }
  }
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads contents of file fully and returns as string.
 *
 * @param fileName file name.
 * @param charset name of supported charset.
 * @return contents of entire file.
 */
public static String readFile(String fileName, String charset) {
  FileInputStream in = null;
  try {
    in = new FileInputStream(fileName);
    return read(in, charset);
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    closeQuietly(in);
  }
}

代码示例来源：origin: javalite/activejdbc

private static synchronized Map<String, Set<String>> getModelMap() {
  if (modelMap == null) {
    try {
      modelMap = new HashMap<>();
      Enumeration<URL> urls = Registry.instance().getClass().getClassLoader().getResources("activejdbc_models.properties");
      while(urls.hasMoreElements()) {
        URL url = urls.nextElement();
        LogFilter.log(LOGGER, LogLevel.INFO, "Loading models from: {}", url.toExternalForm());
        String modelsFile = Util.read(url.openStream());
        String[] lines = Util.split(modelsFile, System.getProperty("line.separator"));
        for(String line : lines) {
          String[] parts = Util.split(line, ':');
          String modelName = parts[0];
          String dbName = parts[1];
          Set<String> modelNames = modelMap.computeIfAbsent(dbName, k -> new HashSet<>());
          if (!modelNames.add(modelName)) {
            throw new InitException(String.format("Model '{}' already exists for database '{}'", modelName, dbName));
          }
        }
      }
    } catch(IOException e) {
      throw new InitException(e);
    }
  }
  return modelMap;
}

代码示例来源：origin: javalite/activejdbc

/**
 * Quietly closes the <code>java.sql.PreparedStatement</code> used in a batch execution. The advantage over calling
 * <code>java.sql.PreparedStatement.close()</code> directly is not having to explicitly handle a checked exception
 * (<code>java.sql.SQLException</code>).
 * This method should typically be called in a finally block. So as not to displace any exception (e.g. from a failed
 * batch execution) that might already be in flight, this method swallows any exception that might arise from
 * closing the statement. This is generally seen as a worthwhile trade-off, as it much less likely for a close to fail
 * without a prior failure.
 *
 * @param ps <code>java.sql.PreparedStatement</code> with which a batch has been executed. If null, this is a no-op.
 */
public void closePreparedStatement(PreparedStatement ps) {
  closeQuietly(ps);
}

代码示例来源：origin: javalite/activejdbc

/**
 * Joins the items in array with a delimiter, and appends the result to StringBuilder.
 *
 * @param sb StringBuilder to append result to
 * @param array array of items to join.
 * @param delimiter delimiter to insert between elements of array.
 */
public static void join(StringBuilder sb, Object[] array, String delimiter) {
  if (empty(array)) { return; }
  sb.append(array[0]);
  for (int i = 1; i < array.length; i++) {
    sb.append(delimiter);
    sb.append(array[i]);
  }
}

代码示例来源：origin: org.javalite/javalite-templator

private String loadTemplate(String templateName){
  String slash = templateName.startsWith("/") ? "" : "/";
  //for tests, load from location
  if (templateLocation != null) {
    return readFile(templateLocation + slash + templateName, "UTF-8");
  }
  //proceed to load from servlet context
  String fullPath = "/WEB-INF/views" + slash + templateName;
  // First try to open as plain file (to bypass servlet container resource caches).
  String realPath = servletContext.getRealPath(fullPath);
  try {
    if (realPath != null) {
      File file = new File(realPath);
      if (!file.isFile()) {
        throw new TemplateException(realPath + " is not a file");
      }
      if (file.canRead()) {
        return readFile(realPath, "UTF-8");
      }
    }
  } catch (SecurityException ignore) {}
  try {
    URL url = servletContext.getResource(fullPath);
    return Util.read(url.openStream(), "UTF-8");
  } catch (Exception e) {throw new TemplateException(e);}
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads contents of resource fully into a string. Sets UTF-8 encoding internally.
 *
 * @param resourceName resource name.
 * @return entire contents of resource as string.
 */
public static String readResource(String resourceName) {
  return readResource(resourceName, "UTF-8");
}

代码示例来源：origin: javalite/activeweb

/**
 * Constructor  to be used in tests, field name and file name are set to File name.
 * Content type set to "text/plain".
 *
 * @param file file to send.
 * @throws IOException
 */
public FileItem(File file) throws IOException {
  super(file.getName(), file.getName(), true, "text/plain", Util.bytes(new FileInputStream(file)));
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads contents of file fully and returns as string.
 *
 * @param fileName file name.
 * @return contents of entire file.
 */
public static String readFile(String fileName) {
  return readFile(fileName, "UTF-8");
}

代码示例来源：origin: javalite/activeweb

/**
   * Saves content of this item to a file.
   *
   * @param path to file
   * @throws IOException
   */
  public void saveTo(String path) throws IOException {
    Util.saveTo(path, getInputStream());
  }
}

代码示例来源：origin: javalite/activejdbc

/**
 * Reads contents of resource fully into a byte array.
 *
 * @param resourceName resource name.
 * @return entire contents of resource as byte array.
 */
public static byte[] readResourceBytes(String resourceName) {
  InputStream is = Util.class.getResourceAsStream(resourceName);
  try {
    return bytes(is);
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    closeQuietly(is);
  }
}

代码示例来源：origin: org.javalite/javalite-common

/**
 * Joins the items in array with a delimiter.
 *
 * @param array array of items to join.
 * @param delimiter delimiter to insert between elements of array.
 * @return string with array elements separated by delimiter. There is no trailing delimiter in the string.
 */
public static String join(String[] array, String delimiter) {
  if (empty(array)) { return ""; }
  StringBuilder sb = new StringBuilder();
  join(sb, array, delimiter);
  return sb.toString();
}

代码示例来源：origin: javalite/activejdbc

/**
 * Convenience method, does the same as {@link #execute(String...)}, but  will
 * automatically convert a full command string to tokens for convenience.
 * Here is how to call:
 *
 * <pre>
 * System.out.println(execute("ls -ls").out);
 * </pre>
 *
 * @param command - a single string representing a command and its arguments.
 * @return instance of {@link Response} with result of execution.
 */
public static Response execute(String command) {
  return execute(Util.split(command, " "));
}