Java JKIOUtil类代码示例

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
	 * Try load config.
	 *
	 * @throws IOException
	 *             Signals that an I/O exception has occurred.
	 */
	protected static void tryLoadConfig() throws IOException {
		String configFileName = JKDataSourceFactory.getConfigFileName();
		logger.debug("configFileName :", configFileName);
		final String configPath = JKContextFactory.getCurrentContext().getConfigPath();
		logger.debug("Config path: ", configPath);

		final JKResourceLoader resourceLoader = JKResourceLoaderFactory.getResourceLoader();
		configFileName = configPath.concat(configFileName);
		logger.debug("Full-config filename: ", configFileName);
		final InputStream in = resourceLoader.getResourceAsStream(configFileName);
		if (in != null) {
			logger.debug("Loading exists file :".concat(configFileName));
			final Properties prop = JKIOUtil.readPropertiesFile(configFileName);
//			prop.load(in);
			logger.debug("constructing datasource");
//			System.getProperties().putAll(prop);;
			defaultResourceManager = JKDataSourceFactory.createInstance(prop);
		}
	}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Inits the.
 */
@PostConstruct
// ////////////////////////////////////////////////////
public void init() {
	try {
		InputStream instream = JKIOUtil.getInputStream("/system.properties");
		if (instream != null) {
			BufferedReader in = new BufferedReader(new InputStreamReader(instream, "utf8"));
			String line;
			while ((line = in.readLine()) != null) {
				String label[] = line.split("=");
				if (label.length >= 2) {
					prop.setProperty(label[0], line.substring(line.indexOf("=") + 1));
				}
			}
		}
	} catch (IOException e) {
		System.err.println("Error while loading Lables : " + e);
		e.printStackTrace();
	}
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Send http request.
 *
 * @param url
 *            the url
 * @param method
 *            the method
 * @param header
 *            the header
 * @param body
 *            the body
 * @return the string
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 * @throws HttpException
 *             the http exception
 */
public static String requestUrl(final String url, final String method, final Properties header, final String body) {
	try {
		final URL siteUrl = new URL(url);
		final HttpURLConnection connection = (HttpURLConnection) siteUrl.openConnection();
		connection.setRequestMethod(method);
		final Enumeration<?> keys = header.keys();
		while (keys.hasMoreElements()) {
			final String key = (String) keys.nextElement();
			connection.addRequestProperty(key, header.getProperty(key));
		}
		connection.setDoOutput(true);

		final OutputStream out = connection.getOutputStream();
		out.write(body.getBytes());

		connection.connect();

		final int errorCode = connection.getResponseCode();
		if (errorCode != HttpURLConnection.HTTP_OK) {
			throw new JKHttpException(connection.getResponseMessage(), errorCode);
		}
		final String response = JKIOUtil.convertToString(connection.getInputStream());
		return response;
	} catch (IOException e) {
		throw new JKHttpException(e);
	}
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Gets the single instance of JKFacesConfigurations.
 *
 * @return single instance of JKFacesConfigurations
 */
public static JKFacesConfigurations getInstance() {
	if (instance == null) {
		instance = new JKFacesConfigurations();
		instance = JKXmlHandler.getInstance().parse(JKIOUtil.getInputStream(META_INF_JK_FACES_CONFIG_XML), JKFacesConfigurations.class,
				JKNamespace.class, JKTagMapping.class);

	}
	return instance;
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
public JKPoolingDataSource(String configFileName) {
	this(JKIOUtil.readPropertiesFile(configFileName));
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Gets the binary stream.
 *
 * @param rs
 *            the rs
 * @param name
 *            the name
 * @return the binary stream
 * @throws SQLException
 *             the SQL exception
 */
// //////////////////////////////////////////////////////////////////////////////////////
public static byte[] getBinaryStream(final ResultSet rs, final String name) throws SQLException {
	final InputStream in = rs.getBinaryStream(name);
	if (in == null) {
		return null;
	}
	return JKIOUtil.readStream(in);
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Instantiates a new MP 3 player.
 *
 * @param filename
 *            the filename
 * @throws FileNotFoundException
 *             the file not found exception
 */
// constructor that takes the name of an MP3 file
public MP3Player(final String filename) throws FileNotFoundException {
	this(JKIOUtil.getInputStream(filename));
	this.filename = filename;

}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Download file.
 *
 * @param fileUrl
 *            the file url
 * @param localFile
 *            the local file
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static void downloadFile(final String fileUrl, final String localFile) throws IOException {
	final URL url = new URL(fileUrl);
	final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
	final byte[] data = JKIOUtil.readStream(connection.getInputStream());
	JKIOUtil.writeBytesToFile(data, localFile);
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Run script.
 *
 * @param fileName
 *            the file name
 */
@Override
public void runScript(String fileName) {
	String query = JKIOUtil.readFile(fileName);
	execute(query);
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Gets the jdbc drivers.
 *
 * @return the jdbc drivers
 */
public static Properties getJdbcDrivers() {
	return JKIOUtil.readPropertiesFile("drivers.properties");
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Play.
 *
 * @param fileName
 *            the file name
 * @throws FileNotFoundException
 *             the file not found exception
 * @throws SoundException
 *             the sound exception
 */
public static void play(final String fileName) throws FileNotFoundException, SoundException {
	final InputStream inputStream = JKIOUtil.getInputStream(fileName);
	play(inputStream);
}
 

import com.jk.util.JKIOUtil; //导入依赖的package包/类
/**
 * Sets the data.
 *
 * @param in
 *            the new data
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public void setData(final InputStream in) throws IOException {
	final byte[] bytes = JKIOUtil.readStream(in);
	setData(bytes);
}