Examples with IOException java.io.IOException used on opensource projects

Example 46 with IOException

use of java.io.IOException in project camel by apache.

the class DefaultPackageScanClassResolver method doLoadJarClassEntries.

/**
     * Loads all the class entries from the JAR.
     *
     * @param stream  the inputstream of the jar file to be examined for classes
     * @param urlPath the url of the jar file to be examined for classes
     * @return all the .class entries from the JAR
     */
protected List<String> doLoadJarClassEntries(InputStream stream, String urlPath) {
    List<String> entries = new ArrayList<String>();
    JarInputStream jarStream = null;
    try {
        jarStream = new JarInputStream(stream);
        JarEntry entry;
        while ((entry = jarStream.getNextJarEntry()) != null) {
            String name = entry.getName();
            if (name != null) {
                name = name.trim();
                if (!entry.isDirectory() && name.endsWith(".class")) {
                    entries.add(name);
                }
            }
        }
    } catch (IOException ioe) {
        log.warn("Cannot search jar file '" + urlPath + " due to an IOException: " + ioe.getMessage(), ioe);
    } finally {
        IOHelper.close(jarStream, urlPath, log);
    }
    return entries;
}

Example 47 with IOException

use of java.io.IOException in project camel by apache.

the class FileIdempotentRepository method appendToStore.

/**
     * Appends the given message id to the file store
     *
     * @param messageId  the message id
     */
protected void appendToStore(final String messageId) {
    LOG.debug("Appending {} to idempotent filestore: {}", messageId, fileStore);
    FileOutputStream fos = null;
    try {
        // create store parent directory if missing
        File storeParentDirectory = fileStore.getParentFile();
        if (storeParentDirectory != null && !storeParentDirectory.exists()) {
            LOG.info("Parent directory of file store {} doesn't exist. Creating.", fileStore);
            if (fileStore.getParentFile().mkdirs()) {
                LOG.info("Parent directory of file store {} successfully created.", fileStore);
            } else {
                LOG.warn("Parent directory of file store {} cannot be created.", fileStore);
            }
        }
        // create store if missing
        if (!fileStore.exists()) {
            FileUtil.createNewFile(fileStore);
        }
        // append to store
        fos = new FileOutputStream(fileStore, true);
        fos.write(messageId.getBytes());
        fos.write(STORE_DELIMITER.getBytes());
    } catch (IOException e) {
        throw ObjectHelper.wrapRuntimeCamelException(e);
    } finally {
        IOHelper.close(fos, "Appending to file idempotent repository", LOG);
    }
}

Example 48 with IOException

use of java.io.IOException in project camel by apache.

the class FileIdempotentRepository method trunkStore.

/**
     * Trunks the file store when the max store size is hit by rewriting the 1st level cache
     * to the file store.
     */
protected void trunkStore() {
    LOG.info("Trunking idempotent filestore: {}", fileStore);
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(fileStore);
        for (String key : cache.keySet()) {
            fos.write(key.getBytes());
            fos.write(STORE_DELIMITER.getBytes());
        }
    } catch (IOException e) {
        throw ObjectHelper.wrapRuntimeCamelException(e);
    } finally {
        IOHelper.close(fos, "Trunking file idempotent repository", LOG);
    }
}

Example 49 with IOException

use of java.io.IOException in project camel by apache.

the class WireTapProcessor method configureExchange.

protected Exchange configureExchange(Exchange exchange, ExchangePattern pattern) throws IOException {
    Exchange answer;
    if (copy) {
        // use a copy of the original exchange
        answer = configureCopyExchange(exchange);
    } else {
        // use a new exchange
        answer = configureNewExchange(exchange);
    }
    // prepare the exchange
    if (newExchangeExpression != null) {
        Object body = newExchangeExpression.evaluate(answer, Object.class);
        if (body != null) {
            answer.getIn().setBody(body);
        }
    }
    if (newExchangeProcessors != null) {
        for (Processor processor : newExchangeProcessors) {
            try {
                processor.process(answer);
            } catch (Exception e) {
                throw ObjectHelper.wrapRuntimeCamelException(e);
            }
        }
    }
    // if the body is a stream cache we must use a copy of the stream in the wire tapped exchange
    Message msg = answer.hasOut() ? answer.getOut() : answer.getIn();
    if (msg.getBody() instanceof StreamCache) {
        // in parallel processing case, the stream must be copied, therefore get the stream
        StreamCache cache = (StreamCache) msg.getBody();
        StreamCache copied = cache.copy(answer);
        if (copied != null) {
            msg.setBody(copied);
        }
    }
    // invoke on prepare on the exchange if specified
    if (onPrepare != null) {
        try {
            onPrepare.process(answer);
        } catch (Exception e) {
            throw ObjectHelper.wrapRuntimeCamelException(e);
        }
    }
    return answer;
}

Example 50 with IOException

use of java.io.IOException in project camel by apache.

the class ExceptionBuilderWithHandledExceptionTest method testUnhandledException.

public void testUnhandledException() throws Exception {
    MockEndpoint result = getMockEndpoint(RESULT_QUEUE);
    result.expectedMessageCount(0);
    MockEndpoint mock = getMockEndpoint(ERROR_QUEUE);
    mock.expectedMessageCount(1);
    mock.expectedHeaderReceived(MESSAGE_INFO, "Handled exchange with IOException");
    try {
        template.sendBodyAndHeader("direct:a", "Hello IOE", "foo", "something that does not match");
        fail("Should have thrown a IOException");
    } catch (RuntimeCamelException e) {
        assertTrue(e.getCause() instanceof IOException);
    // expected, failure is not handled because predicate doesn't match
    }
    MockEndpoint.assertIsSatisfied(result, mock);
}