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:ja.centre.gui.resources.Resources.java

private Resources(Class aClass) {
    Arguments.assertNotNull("aClass", aClass);

    this.properties = new Properties();
    this.aClass = aClass;

    String path = aClass.getName();

    path = path.replace(".", "/");
    path = "/" + path + ".properties";

    InputStream resource = aClass.getResourceAsStream(path);
    if (resource == null) {
        Arguments.doThrow("Properties file for class \"" + aClass.getName() + "\" does not exist");
    }//w w  w  .  ja  v a2 s. c  o  m

    try {
        properties.load(resource);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.sap.dirigible.repository.ext.db.DBUtils.java

/**
 * Read whole SQL script from the class path. It can contain multiple
 * statements separated with ';'/*from w w  w.ja  v  a 2 s.  c om*/
 * 
 * @param path
 * @return the SQL script as a String
 */
public String readScript(Connection conn, String path, Class<?> clazz) throws IOException {
    logger.debug("entering readScript"); //$NON-NLS-1$
    String sql = null;
    InputStream in = clazz.getResourceAsStream(path);
    if (in == null) {
        throw new IOException("SQL script does not exist: " + path);
    }

    BufferedInputStream bufferedInput = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintWriter writer = new PrintWriter(baos);
    byte[] buffer = new byte[1024];

    try {
        bufferedInput = new BufferedInputStream(in);
        int bytesRead = 0;

        while ((bytesRead = bufferedInput.read(buffer)) != -1) {
            String chunk = new String(buffer, 0, bytesRead, Charset.defaultCharset());
            writer.write(chunk);
        }

        writer.flush();

        sql = new String(baos.toByteArray(), Charset.defaultCharset());
        String productName = conn.getMetaData().getDatabaseProductName();
        IDialectSpecifier dialectSpecifier = getDialectSpecifier(productName);
        sql = dialectSpecifier.specify(sql);

    } catch (FileNotFoundException ex) {
        logger.error(ex.getMessage());
    } catch (IOException ex) {
        logger.error(ex.getMessage());
    } catch (SQLException ex) {
        logger.error(ex.getMessage());
    } finally {
        try {
            if (bufferedInput != null)
                bufferedInput.close();
        } catch (IOException ex) {
            logger.error(ex.getMessage());
        }
    }

    logger.debug("exiting readScript"); //$NON-NLS-1$

    return sql;
}

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From source file:org.arrow.test.SpringWorkflowTestExecutionListener.java

/**
 * {@inheritDoc}//from  w  w w  .  j av  a  2  s . co m
 */
@Override
public void beforeTestMethod(TestContext testContext) throws Exception {

    ApplicationContext context = testContext.getApplicationContext();
    CONTEXT_HOLDER.set(context);

    RepositoryService rs = context.getBean(RepositoryService.class);

    Class<?> testClass = testContext.getTestClass();

    Method method = testContext.getTestMethod();
    Given given = findAnnotation(method, Given.class);

    if (given != null) {
        final String[] fileNames = given.value();

        for (String fileName : fileNames) {
            BpmnParser driver = new XStreamBpmnParser();
            InputStream stream = testClass.getResourceAsStream(fileName);
            Definitions definitions = driver.parse(stream);

            rs.deploy(definitions);
        }
    }

    StopWatch stopWatch = new StopWatch();
    stopWatch.start("START TEST");
    testContext.setAttribute("stopWatch", stopWatch);
}

---

From source file:com.tesora.dve.client.ClientTestNG.java

private void loadSQLFile(Class<?> testClass, String fileName) throws Exception {
    InputStream is = testClass.getResourceAsStream(fileName);
    if (is != null) {
        logger.info("Reading SQL statements from " + fileName);
        dbHelper.setDisconnectAfterProcess(false);
        dbHelper.executeFromStream(is);/*ww w.  j av  a 2  s  . c  o m*/
        try {
            is.close();
        } catch (IOException e) {
        }
    }
}

---

From source file:kr.co.bitnine.octopus.testutils.MemoryDatabase.java

public void importJSON(Class<?> clazz, String resourceName) throws Exception {
    Connection conn = getConnection();
    conn.setAutoCommit(false);/*  w ww  . j  av  a2 s  . c om*/
    Statement stmt = conn.createStatement();

    JSONParser jsonParser = new JSONParser();
    JSONArray tables = (JSONArray) jsonParser
            .parse(new InputStreamReader(clazz.getResourceAsStream(resourceName)));
    for (Object tableObj : tables) {
        StringBuilder queryBuilder = new StringBuilder();

        JSONObject table = (JSONObject) tableObj;

        String tableName = jsonValueToSqlIdent(table.get("table-name"));
        queryBuilder.append("CREATE TABLE ").append(tableName).append('(');
        JSONArray schema = (JSONArray) table.get("table-schema");
        for (Object columnNameObj : schema) {
            String columnName = jsonValueToSqlValue(columnNameObj);
            queryBuilder.append(columnName).append(',');
        }
        queryBuilder.setCharAt(queryBuilder.length() - 1, ')');
        stmt.execute(queryBuilder.toString());

        JSONArray rows = (JSONArray) table.get("table-rows");
        for (Object rowObj : rows) {
            JSONArray row = (JSONArray) rowObj;

            queryBuilder.setLength(0);
            queryBuilder.append("INSERT INTO ").append(tableName).append(" VALUES(");
            for (Object columnObj : row)
                queryBuilder.append(jsonValueToSqlValue(columnObj)).append(',');
            queryBuilder.setCharAt(queryBuilder.length() - 1, ')');
            stmt.executeUpdate(queryBuilder.toString());
        }
    }

    stmt.close();
    conn.commit();
    conn.close();
}

---

From source file:org.eclipse.swt.examples.controlexample.ControlExample.java

/**
 * Loads the resources/*from w  w w. j  a  va 2s. c o  m*/
 */
void initResources() {
    final Class<ControlExample> clazz = ControlExample.class;
    if (resourceBundle != null) {
        try {
            if (images == null) {
                images = new Image[imageLocations.length];

                for (int i = 0; i < imageLocations.length; ++i) {
                    try (InputStream sourceStream = clazz.getResourceAsStream(imageLocations[i])) {
                        ImageData source = new ImageData(sourceStream);
                        if (imageTypes[i] == SWT.ICON) {
                            ImageData mask = source.getTransparencyMask();
                            images[i] = new Image(null, source, mask);
                        } else {
                            images[i] = new Image(null, source);
                        }
                    }
                }
            }
            return;
        } catch (Throwable t) {
        }
    }
    String error = (resourceBundle != null) ? getResourceString("error.CouldNotLoadResources")
            : "Unable to load resources"; //$NON-NLS-1$
    freeResources();
    throw new RuntimeException(error);
}

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From source file:org.firesoa.common.util.LocalVariableTableParameterNameDiscoverer.java

/**
 * Create a ClassReader for the given class.
 *///from  w w  w. j a v  a 2s .  co  m
private ClassReader createClassReader(Class clazz) throws IOException {
    String className = clazz.getName();
    int index = className.lastIndexOf(".");
    if (index > 0) {
        className = className.substring(index + 1);
    }
    InputStream inStream = clazz.getResourceAsStream(className + ".class");
    return new ClassReader(inStream);
}

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From source file:org.gradle.foundation.ipc.gradle.AbstractGradleServerProtocol.java

/**
 * This extracts the given class' resource to the specified file if it doesn't already exist.
 *
 * @param resourceClass the class associated with the resource
 * @param name the resource's name//from www .  j  av  a 2 s. c om
 * @param file where to put the resource
 * @return true if successful, false if not.
 */
public boolean extractResourceAsFile(Class resourceClass, String name, File file) {
    InputStream stream = resourceClass.getResourceAsStream(name);
    if (stream == null) {
        return false;
    }

    byte[] bytes = new byte[0];
    try {
        bytes = IOUtils.toByteArray(stream);
    } catch (IOException e) {
        logger.error("Extracting resource as file", e);
        return false;
    }

    FileOutputStream fileOutputStream = null;
    try {
        fileOutputStream = new FileOutputStream(file);
        try {
            IOUtils.write(bytes, fileOutputStream);
        } finally {
            fileOutputStream.close();
        }
        return true;
    } catch (IOException e) {
        logger.error("Extracting resource as file (writing bytes)", e);
        return false;
    } finally {
        IOUtils.closeQuietly(fileOutputStream);
    }
}

---

From source file:com.quirklabs.authorise.ProxyAwareLocalVariableTableParameterNameDiscoverer.java

/**
 * Obtain a (cached) ClassReader for the given class.
 *//*from  w  ww  .  ja  va2s  . c  o  m*/
private ClassReader getClassReader(Class clazz) throws IOException {
    synchronized (this.classReaderCache) {
        ClassReader classReader = (ClassReader) this.classReaderCache.get(clazz.getDeclaringClass());
        if (classReader == null) {
            InputStream is = clazz.getResourceAsStream(ClassUtils.getClassFileName(clazz));
            if (is == null) {
                throw new FileNotFoundException("Class file for class [" + clazz.getName() + "] not found");
            }
            try {
                classReader = new ClassReader(is);
                this.classReaderCache.put(clazz.getDeclaringClass(), classReader);
            } finally {
                is.close();
            }
        }
        return classReader;
    }
}

---

From source file:org.eclipse.dirigible.repository.ext.db.DBUtils.java

/**
 * Read whole SQL script from the class path. It can contain multiple
 * statements separated with ';'//from   w  w w .ja va  2 s  .c o m
 *
 * @param path
 * @return the SQL script as a String
 */
public String readScript(Connection conn, String path, Class<?> clazz) throws IOException {
    logger.debug("entering readScript"); //$NON-NLS-1$
    String sql = null;
    InputStream in = clazz.getResourceAsStream(path);
    if (in == null) {
        throw new IOException("SQL script does not exist: " + path);
    }

    BufferedInputStream bufferedInput = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintWriter writer = new PrintWriter(baos);
    byte[] buffer = new byte[1024];

    try {
        bufferedInput = new BufferedInputStream(in);
        int bytesRead = 0;

        while ((bytesRead = bufferedInput.read(buffer)) != -1) {
            String chunk = new String(buffer, 0, bytesRead, Charset.defaultCharset());
            writer.write(chunk);
        }

        writer.flush();

        sql = new String(baos.toByteArray(), Charset.defaultCharset());
        String productName = conn.getMetaData().getDatabaseProductName();
        IDialectSpecifier dialectSpecifier = getDialectSpecifier(productName);
        sql = dialectSpecifier.specify(sql);

    } catch (FileNotFoundException ex) {
        logger.error(ex.getMessage(), ex);
    } catch (IOException ex) {
        logger.error(ex.getMessage(), ex);
    } catch (SQLException ex) {
        logger.error(ex.getMessage(), ex);
    } finally {
        try {
            if (bufferedInput != null) {
                bufferedInput.close();
            }
        } catch (IOException ex) {
            logger.error(ex.getMessage(), ex);
        }
    }

    logger.debug("exiting readScript"); //$NON-NLS-1$

    return sql;
}

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