Examples with UtilException cn.hutool.core.exceptions.UtilException used on opensource projects

Example 11 with UtilException

use of cn.hutool.core.exceptions.UtilException in project hutool by looly.

the class ZipUtil method unGzip.

/**
 * Gzip解压处理
 *
 * @param buf buf
 * @return bytes
 * @throws UtilException IO异常
 */
public static byte[] unGzip(byte[] buf) throws UtilException {
    GZIPInputStream gzi = null;
    ByteArrayOutputStream bos = null;
    try {
        gzi = new GZIPInputStream(new ByteArrayInputStream(buf));
        bos = new ByteArrayOutputStream(buf.length);
        IoUtil.copy(gzi, bos);
        buf = bos.toByteArray();
    } catch (IOException e) {
        throw new UtilException(e);
    } finally {
        IoUtil.close(gzi);
    }
    return buf;
}

Example 12 with UtilException

use of cn.hutool.core.exceptions.UtilException in project hutool by looly.

the class VelocityUtil method toFile.

/**
 * 生成文件
 *
 * @param template 模板
 * @param context 模板上下文
 * @param destPath 目标路径（绝对）
 */
public static void toFile(Template template, VelocityContext context, String destPath) {
    PrintWriter writer = null;
    try {
        writer = FileUtil.getPrintWriter(destPath, Velocity.getProperty(Velocity.OUTPUT_ENCODING).toString(), false);
        merge(template, context, writer);
    } catch (IORuntimeException e) {
        throw new UtilException(e, "Write Velocity content to [{}] error!", destPath);
    } finally {
        IoUtil.close(writer);
    }
}

Example 13 with UtilException

use of cn.hutool.core.exceptions.UtilException in project hutool by looly.

the class XmlUtil method readXML.

// -------------------------------------------------------------------------------------- Read
/**
 * 读取解析XML文件
 *
 * @param file XML文件
 * @return XML文档对象
 */
public static Document readXML(File file) {
    Assert.notNull(file, "Xml file is null !");
    if (false == file.exists()) {
        throw new UtilException("File [{}] not a exist!", file.getAbsolutePath());
    }
    if (false == file.isFile()) {
        throw new UtilException("[{}] not a file!", file.getAbsolutePath());
    }
    try {
        file = file.getCanonicalFile();
    } catch (IOException e) {
    // ignore
    }
    BufferedInputStream in = null;
    try {
        in = FileUtil.getInputStream(file);
        return readXML(in);
    } finally {
        IoUtil.close(in);
    }
}

Example 14 with UtilException

use of cn.hutool.core.exceptions.UtilException in project hutool by looly.

the class XmlUtil method readBySax.

/**
 * 使用Sax方式读取指定的XML<br>
 * 如果用户传入的contentHandler为{@link DefaultHandler}，则其接口都会被处理
 *
 * @param source         XML源，可以是文件、流、路径等
 * @param contentHandler XML流处理器，用于按照Element处理xml
 * @since 5.4.4
 */
public static void readBySax(InputSource source, ContentHandler contentHandler) {
    // 1.获取解析工厂
    if (null == factory) {
        factory = SAXParserFactory.newInstance();
        factory.setValidating(false);
        factory.setNamespaceAware(namespaceAware);
    }
    // 2.从解析工厂获取解析器
    final SAXParser parse;
    XMLReader reader;
    try {
        parse = factory.newSAXParser();
        if (contentHandler instanceof DefaultHandler) {
            parse.parse(source, (DefaultHandler) contentHandler);
            return;
        }
        // 3.得到解读器
        reader = parse.getXMLReader();
        reader.setContentHandler(contentHandler);
        reader.parse(source);
    } catch (ParserConfigurationException | SAXException e) {
        throw new UtilException(e);
    } catch (IOException e) {
        throw new IORuntimeException(e);
    }
}

Example 15 with UtilException

use of cn.hutool.core.exceptions.UtilException in project hutool by looly.

the class XmlUtil method transform.

/**
 * 将XML文档写出<br>
 * 格式化输出逻辑参考：https://stackoverflow.com/questions/139076/how-to-pretty-print-xml-from-java
 *
 * @param source             源
 * @param result             目标
 * @param charset            编码
 * @param indent             格式化输出中缩进量，小于1表示不格式化输出
 * @param omitXmlDeclaration 是否输出 xml Declaration
 * @since 5.1.2
 */
public static void transform(Source source, Result result, String charset, int indent, boolean omitXmlDeclaration) {
    final TransformerFactory factory = TransformerFactory.newInstance();
    try {
        final Transformer xformer = factory.newTransformer();
        if (indent > 0) {
            xformer.setOutputProperty(OutputKeys.INDENT, "yes");
            // fix issue#1232@Github
            xformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, "yes");
            xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", String.valueOf(indent));
        }
        if (StrUtil.isNotBlank(charset)) {
            xformer.setOutputProperty(OutputKeys.ENCODING, charset);
        }
        if (omitXmlDeclaration) {
            xformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        }
        xformer.transform(source, result);
    } catch (Exception e) {
        throw new UtilException(e, "Trans xml document to string error!");
    }
}