Example usage for java.lang Class getResourceAsStream

Introduction

In this page you can find the example usage for java.lang Class getResourceAsStream.

Prototype

@CallerSensitive
public InputStream getResourceAsStream(String name) 

Source Link

Document

Finds a resource with a given name.

Usage

From source file:com.roche.sequencing.bioinformatics.common.utils.Md5CheckSumUtil.java

public static String md5Sum(Class<?> resourceReferenceClass, String resourceName)
        throws FileNotFoundException, IOException {
    String md5Sum = null;//from   w  w w . j av a 2  s .c  o  m
    try (InputStream is = resourceReferenceClass.getResourceAsStream(resourceName)) {
        md5Sum = DigestUtils.md5Hex(is);
    }
    return md5Sum;
}

---

From source file:org.apache.fop.events.DefaultEventBroadcaster.java

/**
 * Loads an event model and returns its instance.
 * @param resourceBaseClass base class to use for loading resources
 * @return the newly loaded event model.
 *//*from www .ja  v  a2 s .co m*/
private static EventModel loadModel(Class resourceBaseClass) {
    String resourceName = "event-model.xml";
    InputStream in = resourceBaseClass.getResourceAsStream(resourceName);
    if (in == null) {
        throw new MissingResourceException("File " + resourceName + " not found",
                DefaultEventBroadcaster.class.getName(), "");
    }
    try {
        return EventModelParser.parse(new StreamSource(in));
    } catch (TransformerException e) {
        throw new MissingResourceException("Error reading " + resourceName + ": " + e.getMessage(),
                DefaultEventBroadcaster.class.getName(), "");
    } finally {
        IOUtils.closeQuietly(in);
    }
}

---

From source file:com.hp.ov.sdk.adaptors.StoragePoolSerializationAdapterTest.java

@BeforeClass
public static void setupTest() throws IOException {
    Class<StoragePoolSerializationAdapterTest> clazz = StoragePoolSerializationAdapterTest.class;

    storagePoolJson = IOUtils.toString(clazz.getResourceAsStream("StoragePool.json"), "UTF-8");
    storagePoolV2Json = IOUtils.toString(clazz.getResourceAsStream("StoragePoolV2.json"), "UTF-8");
}

---

From source file:org.apache.syncope.common.lib.PropertyUtils.java

public static Pair<Properties, String> read(final Class<?> clazz, final String propertiesFileName,
        final String confDirProp) {

    Properties props = new Properties();
    String confDirName = null;//from w  w w  .  j  a  va 2  s .c o  m

    try (InputStream is = clazz.getResourceAsStream("/" + propertiesFileName)) {
        props.load(is);

        confDirName = props.getProperty(confDirProp);
        if (confDirName != null) {
            File confDir = new File(confDirName);
            if (confDir.exists() && confDir.canRead() && confDir.isDirectory()) {
                File confDirProps = new File(confDir, propertiesFileName);
                if (confDirProps.exists() && confDirProps.canRead() && confDirProps.isFile()) {
                    props.clear();
                    props.load(new FileInputStream(confDirProps));
                }
            }
        }
    } catch (Exception e) {
        throw new RuntimeException("Could not read " + propertiesFileName, e);
    }

    return Pair.of(props, confDirName);
}

---

From source file:org.ow2.sirocco.cimi.server.resource.serialization.SerializationHelper.java

/**
 * Get a ressource in classpath and convert it as Reader.
 * //w  w w.  j a  v  a  2 s  . co m
 * @param classLocation This class allows to find the package which is
 *        located the ressoure
 * @param resourceName The name of ressource
 * @return The Reader for the ressource
 * @throws IOException In case of IO error
 */
public static Reader getResourceAsReader(final Class<?> classLocation, final String resourceName)
        throws IOException {
    InputStream in = classLocation.getResourceAsStream(resourceName);
    if (null == in) {
        throw new IOException("Resource not found : " + resourceName);
    }
    return new InputStreamReader(in);
}

---

From source file:net.solarnetwork.node.util.ClassUtils.java

/**
 * Load a classpath SQL resource into a String.
 * //ww  w.  j a  v  a 2  s .c  o m
 * @param resourceName
 *        the SQL resource to load
 * @param clazz
 *        the Class to load the resource from
 * @return the String
 */
public static String getResourceAsString(String resourceName, Class<?> clazz) {
    InputStream in = clazz.getResourceAsStream(resourceName);
    if (in == null) {
        throw new RuntimeException("Resource [" + resourceName + "] not found");
    }
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        byte[] buffer = new byte[4096];
        int bytesRead = -1;
        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }
        out.flush();
        return out.toString();
    } catch (IOException e) {
        throw new RuntimeException("Error reading resource [" + resourceName + ']', e);
    } finally {
        try {
            in.close();
        } catch (IOException ex) {
            LOG.warn("Could not close InputStream", ex);
        }
        try {
            out.close();
        } catch (IOException ex) {
            LOG.warn("Could not close OutputStream", ex);
        }
    }
}

---

From source file:io.wcm.testing.mock.osgi.OsgiMetadataUtil.java

/**
 * Try to read OSGI-metadata from /OSGI-INF and read all implemented interfaces and service properties
 * @param clazz OSGi service implementation class
 * @return Metadata document or null//from   w w w .  j  a  v a2 s  .  c  om
 */
public static Document geDocument(Class clazz) {
    String metadataPath = "/OSGI-INF/" + clazz.getName() + ".xml";
    InputStream metadataStream = clazz.getResourceAsStream(metadataPath);
    if (metadataStream == null) {
        return null;
    }
    try {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        return documentBuilder.parse(metadataStream);
    } catch (ParserConfigurationException | SAXException | IOException ex) {
        throw new RuntimeException("Unable to read classpath resource: " + metadataPath, ex);
    } finally {
        try {
            metadataStream.close();
        } catch (IOException ex) {
            // ignore
        }
    }
}

---

From source file:Main.java

/**
 * get the file contents from resource as string
 * @param aFileName file name// ww  w .j  a va 2s.  c  om
 * @param aRetrieverClass retriever class
 * @return
 * @throws IOException
 */
public static String GetFileContentFromResourceAsString(String aFileName, Class aRetrieverClass)
        throws IOException {
    InputStream input = null;
    BufferedReader bReader = null;
    try {
        // read all the file content
        StringBuffer buffer = new StringBuffer();
        input = aRetrieverClass.getResourceAsStream(aFileName);
        InputStreamReader isr = new InputStreamReader(input);
        bReader = new BufferedReader(isr);
        String line;
        while ((line = bReader.readLine()) != null) {
            buffer.append(line);
            buffer.append(System.getProperty("line.separator"));
        }
        return buffer.toString();
    } finally {
        if (bReader != null)
            bReader.close();
        if (input != null)
            input.close();
    }
}

---

From source file:Main.java

/**
 * Utility method that creates a <code>UIDefaults.LazyValue</code> that
 * creates an <code>ImageIcon</code> <code>UIResource</code> for the
 * specified image file name. The image is loaded using
 * <code>getResourceAsStream</code>, starting with a call to that method
 * on the base class parameter. If it cannot be found, searching will
 * continue through the base class' inheritance hierarchy, up to and
 * including <code>rootClass</code>.
 *
 * @param baseClass the first class to use in searching for the resource
 * @param rootClass an ancestor of <code>baseClass</code> to finish the
 *                  search at/*ww w.  j a v  a 2 s  . co m*/
 * @param imageFile the name of the file to be found
 * @return a lazy value that creates the <code>ImageIcon</code>
 *         <code>UIResource</code> for the image,
 *         or null if it cannot be found
 */
public static Object makeIcon(final Class<?> baseClass, final Class<?> rootClass, final String imageFile) {

    return new UIDefaults.LazyValue() {
        public Object createValue(UIDefaults table) {
            /* Copy resource into a byte array.  This is
             * necessary because several browsers consider
             * Class.getResource a security risk because it
             * can be used to load additional classes.
             * Class.getResourceAsStream just returns raw
             * bytes, which we can convert to an image.
             */
            byte[] buffer = java.security.AccessController
                    .doPrivileged(new java.security.PrivilegedAction<byte[]>() {
                        public byte[] run() {
                            try {
                                InputStream resource = null;
                                Class<?> srchClass = baseClass;

                                while (srchClass != null) {
                                    resource = srchClass.getResourceAsStream(imageFile);

                                    if (resource != null || srchClass == rootClass) {
                                        break;
                                    }

                                    srchClass = srchClass.getSuperclass();
                                }

                                if (resource == null) {
                                    return null;
                                }

                                BufferedInputStream in = new BufferedInputStream(resource);
                                ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
                                byte[] buffer = new byte[1024];
                                int n;
                                while ((n = in.read(buffer)) > 0) {
                                    out.write(buffer, 0, n);
                                }
                                in.close();
                                out.flush();
                                return out.toByteArray();
                            } catch (IOException ioe) {
                                System.err.println(ioe.toString());
                            }
                            return null;
                        }
                    });

            if (buffer == null) {
                return null;
            }
            if (buffer.length == 0) {
                System.err.println("warning: " + imageFile + " is zero-length");
                return null;
            }

            return new ImageIconUIResource(buffer);
        }
    };
}

---

From source file:net.nicholaswilliams.java.teamcity.plugin.buildNumber.PluginFileUtils.java

public static void copyResource(Class<?> relativeClass, String resourceName, File destinationFile) {
    InputStream inputStream = null;
    OutputStream outputStream = null;
    try {/*from  ww  w  .j av a2  s.  c  o m*/
        inputStream = relativeClass.getResourceAsStream(resourceName);
        if (inputStream == null) {
            throw new RuntimeException("No resource with name [" + resourceName + "] found relative to class ["
                    + relativeClass.getName() + "].");
        }

        outputStream = new FileOutputStream(destinationFile);

        IOUtils.copy(inputStream, outputStream);
    } catch (IOException e) {
        throw new RuntimeException(
                "Failed to copy resource [" + resourceName + "] relative to class [" + relativeClass.getName()
                        + "] to destination file [" + destinationFile.getAbsolutePath() + "].");
    } finally {
        try {
            if (outputStream != null)
                outputStream.close();
        } catch (IOException ignore) {
        }

        try {
            if (inputStream != null)
                inputStream.close();
        } catch (IOException ignore) {
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• »