Examples with IORuntimeException cn.hutool.core.io.IORuntimeException used on opensource projects

Example 46 with IORuntimeException

use of cn.hutool.core.io.IORuntimeException in project hutool by looly.

the class DownloadTest method downloadFileFromUrlTest4.

@Test
@Ignore
public void downloadFileFromUrlTest4() {
    File file = null;
    try {
        file = HttpUtil.downloadFileFromUrl("http://groovy-lang.org/changelogs/changelog-3.0.5.html", FileUtil.file("d:/download/temp"), 1);
        Assert.assertNotNull(file);
        Assert.assertTrue(file.exists());
        Assert.assertTrue(file.isFile());
        Assert.assertTrue(file.length() > 0);
        Assert.assertTrue(file.getName().length() > 0);
    } catch (Exception e) {
        Assert.assertTrue(e instanceof IORuntimeException);
    } finally {
        FileUtil.del(file);
    }
}

Example 47 with IORuntimeException

use of cn.hutool.core.io.IORuntimeException in project hutool by looly.

the class ImgUtil method sliceByRowsAndCols.

/**
 * 图像切割（指定切片的行数和列数），默认RGB模式
 *
 * @param srcImage 源图像，如果非{@link BufferedImage}，则默认使用RGB模式
 * @param destDir  切片目标文件夹
 * @param rows     目标切片行数。默认2，必须是范围 [1, 20] 之内
 * @param cols     目标切片列数。默认2，必须是范围 [1, 20] 之内
 */
public static void sliceByRowsAndCols(Image srcImage, File destDir, int rows, int cols) {
    if (false == destDir.exists()) {
        FileUtil.mkdir(destDir);
    } else if (false == destDir.isDirectory()) {
        throw new IllegalArgumentException("Destination Dir must be a Directory !");
    }
    try {
        if (rows <= 0 || rows > 20) {
            // 切片行数
            rows = 2;
        }
        if (cols <= 0 || cols > 20) {
            // 切片列数
            cols = 2;
        }
        // 读取源图像
        final BufferedImage bi = toBufferedImage(srcImage);
        // 源图宽度
        int srcWidth = bi.getWidth();
        // 源图高度
        int srcHeight = bi.getHeight();
        // 每张切片的宽度
        int destWidth = NumberUtil.partValue(srcWidth, cols);
        // 每张切片的高度
        int destHeight = NumberUtil.partValue(srcHeight, rows);
        // 循环建立切片
        Image tag;
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                tag = cut(bi, new Rectangle(j * destWidth, i * destHeight, destWidth, destHeight));
                // 输出为文件
                ImageIO.write(toRenderedImage(tag), IMAGE_TYPE_JPEG, new File(destDir, "_r" + i + "_c" + j + ".jpg"));
            }
        }
    } catch (IOException e) {
        throw new IORuntimeException(e);
    }
}

Example 48 with IORuntimeException

use of cn.hutool.core.io.IORuntimeException in project hutool by looly.

the class ZipUtilTest method zipStreamTest.

@Test
@Ignore
public void zipStreamTest() {
    // https://github.com/looly/hutool/issues/944
    String dir = "d:/test";
    String zip = "d:/test.zip";
    try (OutputStream out = new FileOutputStream(zip)) {
        // 实际应用中, out 为 HttpServletResponse.getOutputStream
        ZipUtil.zip(out, Charset.defaultCharset(), false, null, new File(dir));
    } catch (IOException e) {
        throw new IORuntimeException(e);
    }
}

Example 49 with IORuntimeException

use of cn.hutool.core.io.IORuntimeException in project hutool by looly.

the class NetUtil method netCat.

/**
 * 使用普通Socket发送数据
 *
 * @param host Server主机
 * @param port Server端口
 * @param data 数据
 * @throws IORuntimeException IO异常
 * @since 3.3.0
 */
public static void netCat(String host, int port, byte[] data) throws IORuntimeException {
    OutputStream out = null;
    try (Socket socket = new Socket(host, port)) {
        out = socket.getOutputStream();
        out.write(data);
        out.flush();
    } catch (IOException e) {
        throw new IORuntimeException(e);
    } finally {
        IoUtil.close(out);
    }
}

Example 50 with IORuntimeException

use of cn.hutool.core.io.IORuntimeException in project hutool by looly.

the class NetUtil method netCat.

/**
 * 简易的使用Socket发送数据
 *
 * @param host    Server主机
 * @param port    Server端口
 * @param isBlock 是否阻塞方式
 * @param data    需要发送的数据
 * @throws IORuntimeException IO异常
 * @since 3.3.0
 */
public static void netCat(String host, int port, boolean isBlock, ByteBuffer data) throws IORuntimeException {
    try (SocketChannel channel = SocketChannel.open(createAddress(host, port))) {
        channel.configureBlocking(isBlock);
        channel.write(data);
    } catch (IOException e) {
        throw new IORuntimeException(e);
    }
}