Example usage for java.io IOException IOException

Introduction

In this page you can find the example usage for java.io IOException IOException.

Prototype

public IOException(Throwable cause) 

Source Link

Document

Constructs an IOException with the specified cause and a detail message of (cause==null ?

Usage

From source file:Main.java

/**
 * This will parse an InputSource and create a DOM document.
 * //from  w  ww  .  jav a2  s .  c om
 * @param is
 *            The stream to get the XML from.
 * @return The DOM document.
 * @throws IOException
 *             It there is an error creating the dom.
 * @throws ParseException
 */
public static Document parse(InputSource is) throws IOException, ParseException {

    final DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = null;
    try {
        builder = builderFactory.newDocumentBuilder();
    } catch (final ParserConfigurationException e) {
        final ParseException thrown = new ParseException(e.getMessage(), 0);
        throw thrown;
    }
    try {
        return builder.parse(is);
    } catch (final IOException e) {
        final IOException thrown = new IOException(e.getMessage());
        throw thrown;

    } catch (final SAXException e) {
        final ParseException thrown = new ParseException(e.getMessage(), 0);
        throw thrown;
    }

}

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From source file:Main.java

public static String readElementValue(String elementName, String s) throws IOException {
    int indexOfElementStart = s.indexOf("<" + elementName);
    if (indexOfElementStart == -1) {
        throw new IOException("Couldn't find element '" + elementName + "'!");
    }/*w w  w .j ava  2  s . c  o  m*/
    int indexOfValueStart = s.indexOf(">", indexOfElementStart) + 1;
    if (indexOfElementStart == -1) {
        throw new IOException("Couldn't find element '" + elementName + "'! (couldn't find end of start tag)");
    }
    int indexOfValueEnd = s.indexOf("<", indexOfValueStart);
    if (indexOfElementStart == -1) {
        throw new IOException("Couldn't find element '" + elementName + "'! (couldn't find end tag)");
    }
    return s.substring(indexOfValueStart, indexOfValueEnd);
}

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From source file:org.radiognu.radiognu.utils.utilsradiognu.java

public static final String getResponseServiceAPI(String... uri) {
    HttpClient httpclient = new DefaultHttpClient();
    HttpResponse response;// w w  w .j ava  2 s  . co  m
    String responseString = null;
    try {
        // make a HTTP request
        response = httpclient.execute(new HttpGet(uri[0]));
        StatusLine statusLine = response.getStatusLine();
        if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
            // request successful - read the response and close the connection
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.getEntity().writeTo(out);
            out.close();
            responseString = out.toString();
        } else {
            // request failed - close the connection
            response.getEntity().getContent().close();
            throw new IOException(statusLine.getReasonPhrase());
        }
    } catch (Exception e) {
    }
    return responseString;
}

---

From source file:Main.java

/**
 * Creates an output stream to write to a regular or compressed file.
 * /*from   w  ww  .  j  a v  a2  s  . co m*/
 * @param fileName    a file name with an extension .gz or without it;
 *                    if the user specifies an extension .gz, we assume
 *                    that the output file should be compressed.
 * @return an output stream to write to a file.
 * @throws IOException
 */
public static OutputStream createOutputStream(String fileName) throws IOException {
    OutputStream foutp = new FileOutputStream(fileName);
    if (fileName.endsWith(".gz"))
        return new GZIPOutputStream(foutp);
    if (fileName.endsWith(".bz2")) {
        throw new IOException("bz2 is not supported for writing");
    }
    return foutp;
}

---

From source file:com.amazonaws.services.iot.client.shadow.AwsIotJsonDeserializer.java

public static void deserialize(AbstractAwsIotDevice device, String jsonState) throws IOException {
    ObjectMapper jsonObjectMapper = device.getJsonObjectMapper();

    JsonNode node = jsonObjectMapper.readTree(jsonState);
    if (node == null) {
        throw new IOException("Invalid delta update received for " + device.getThingName());
    }/*from w  w w  . j a  v a  2s. com*/

    for (Iterator<String> it = node.fieldNames(); it.hasNext();) {
        String property = it.next();
        Field field = device.getUpdatableProperties().get(property);
        JsonNode fieldNode = node.get(property);
        if (field == null || fieldNode == null) {
            continue;
        }

        updateDeviceProperty(jsonObjectMapper, fieldNode, device, field);
    }
}

---

From source file:it.polimi.brusamentoceruti.moviebookrest.boundary.JsonRequest.java

public static JSONObject doQuery(String Url) throws JSONException, IOException {
    String responseBody = null;//w  w w.j  av  a  2  s  .c  om
    HttpGet httpget;
    HttpClient httpClient = new DefaultHttpClient();
    try {
        httpget = new HttpGet(Url);
    } catch (IllegalArgumentException iae) {
        return null;
    }

    HttpResponse response = httpClient.execute(httpget);
    InputStream contentStream = null;
    try {
        StatusLine statusLine = response.getStatusLine();
        if (statusLine == null) {
            throw new IOException(String.format("Unable to get a response from server"));
        }
        int statusCode = statusLine.getStatusCode();
        if (statusCode < 200 && statusCode >= 300) {
            throw new IOException(
                    String.format("OWM server responded with status code %d: %s", statusCode, statusLine));
        }
        /* Read the response content */
        HttpEntity responseEntity = response.getEntity();
        contentStream = responseEntity.getContent();
        Reader isReader = new InputStreamReader(contentStream);
        int contentSize = (int) responseEntity.getContentLength();
        if (contentSize < 0)
            contentSize = 8 * 1024;
        StringWriter strWriter = new StringWriter(contentSize);
        char[] buffer = new char[8 * 1024];
        int n = 0;
        while ((n = isReader.read(buffer)) != -1) {
            strWriter.write(buffer, 0, n);
        }
        responseBody = strWriter.toString();
        contentStream.close();
    } catch (IOException e) {
        throw e;
    } catch (RuntimeException re) {
        httpget.abort();
        throw re;
    } finally {
        if (contentStream != null)
            contentStream.close();
    }
    return new JSONObject(responseBody);
}

---

From source file:com.github.parisoft.resty.utils.JacksonUtils.java

public static <T> T read(HttpEntity entity, Class<T> someClass, MediaType contentType) throws IOException {
    for (ProviderBase<?, ?, ?, ?> provider : DataProcessors.getInstance().values()) {
        if (provider.isReadable(someClass, null, null, contentType)) {
            return provider.locateMapper(someClass, contentType).readValue(entity.getContent(), someClass);
        }//from  w  ww . jav  a  2 s . co m
    }

    throw new IOException(String.format("no processors found for class=%s and Content-Type=%s",
            someClass.getName(), contentType));
}

---

From source file:Utils.java

/**
 * Unpack a zip file//from   w  ww .  j a  v  a 2  s.co m
 * 
 * @param theFile
 * @param targetDir
 * @return the file
 * @throws IOException
 */
public static File unpackArchive(File theFile, File targetDir) throws IOException {
    if (!theFile.exists()) {
        throw new IOException(theFile.getAbsolutePath() + " does not exist");
    }
    if (!buildDirectory(targetDir)) {
        throw new IOException("Could not create directory: " + targetDir);
    }
    ZipFile zipFile = new ZipFile(theFile);
    for (Enumeration entries = zipFile.entries(); entries.hasMoreElements();) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        File file = new File(targetDir, File.separator + entry.getName());
        if (!buildDirectory(file.getParentFile())) {
            throw new IOException("Could not create directory: " + file.getParentFile());
        }
        if (!entry.isDirectory()) {
            copyInputStream(zipFile.getInputStream(entry),
                    new BufferedOutputStream(new FileOutputStream(file)));
        } else {
            if (!buildDirectory(file)) {
                throw new IOException("Could not create directory: " + file);
            }
        }
    }
    zipFile.close();
    return theFile;
}

---

From source file:com.yata.core.FileManager.java

public static boolean contentEquals(String actualDataFileName, String expectedDataFileName, String encoding)
        throws IOException {

    File actualDataFile = new File(actualDataFileName);
    File expectedDataFile = new File(expectedDataFileName);

    if (!actualDataFile.exists()) {

        System.out.println("contentEquals@" + className + " : ActualDataFile :-> " + actualDataFileName
                + " : doesn't Exist...");
        throw new IOException("contentEquals@" + className + " : ActualDataFile :-> " + actualDataFileName
                + " : doesn't Exist...");

    } else if (!expectedDataFile.exists()) {

        System.out.println("contentEquals@" + className + " : ExpectedDataFile :-> " + expectedDataFileName
                + " : doesn't Exist...");
        throw new IOException("contentEquals@" + className + " : ExpectedDataFile :-> " + expectedDataFileName
                + " : doesn't Exist...");
    }/*  ww w . j  ava 2s .  c o m*/

    boolean contentMatched;
    try {
        contentMatched = FileUtils.contentEqualsIgnoreEOL(actualDataFile, expectedDataFile, encoding);
    } catch (IOException e) {
        e.printStackTrace();
        throw e;
    }

    return contentMatched;
}

---

From source file:de.flapdoodle.embedmongo.Files.java

public static File createTempFile(String tempFileName) throws IOException {
    File tempDir = new File(System.getProperty("java.io.tmpdir"));
    File tempFile = new File(tempDir, tempFileName);
    if (!tempFile.createNewFile())
        throw new IOException("Could not create Tempfile: " + tempFile);
    return tempFile;
}

---

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