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

Example 46 with InputStream

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

the class CachedOutputStreamTest method testCacheStreamToFileAndCloseStream.

public void testCacheStreamToFileAndCloseStream() throws Exception {
    context.start();
    CachedOutputStream cos = new CachedOutputStream(exchange);
    cos.write(TEST_STRING.getBytes("UTF-8"));
    File file = new File("target/cachedir");
    String[] files = file.list();
    assertEquals("we should have a temp file", 1, files.length);
    assertTrue("The file name should start with cos", files[0].startsWith("cos"));
    StreamCache cache = cos.newStreamCache();
    assertTrue("Should get the FileInputStreamCache", cache instanceof FileInputStreamCache);
    String temp = toString((InputStream) cache);
    ((InputStream) cache).close();
    files = file.list();
    assertEquals("we should have a temp file", 1, files.length);
    assertEquals("Cached a wrong file", temp, TEST_STRING);
    exchange.getUnitOfWork().done(exchange);
    try {
        cache.reset();
        // The stream is closed, so the temp file is gone.
        fail("we expect the exception here");
    } catch (Exception exception) {
    // do nothing
    }
    files = file.list();
    assertEquals("we should have no temp file", 0, files.length);
    IOHelper.close(cos);
}

Example 47 with InputStream

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

the class CacheInputStreamInDeadLetterIssue520Test method testSendingInputStream.

public void testSendingInputStream() throws Exception {
    InputStream message = new ByteArrayInputStream("<hello>Willem</hello>".getBytes());
    sendingMessage(message);
}

Example 48 with InputStream

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

the class BlobServiceProducer method updateAppendBlob.

private void updateAppendBlob(Exchange exchange) throws Exception {
    CloudAppendBlob client = BlobServiceUtil.createAppendBlobClient(getConfiguration());
    configureCloudBlobForWrite(client);
    BlobServiceRequestOptions opts = BlobServiceUtil.getRequestOptions(exchange);
    if (opts.getAccessCond() == null) {
        // Default: do not reset the blob content if the blob already exists
        opts.setAccessCond(AccessCondition.generateIfNotExistsCondition());
    }
    Boolean appendBlobCreated = exchange.getIn().getHeader(BlobServiceConstants.APPEND_BLOCK_CREATED, Boolean.class);
    if (Boolean.TRUE != appendBlobCreated) {
        doCreateAppendBlob(client, opts, exchange);
    }
    InputStream inputStream = getInputStreamFromExchange(exchange);
    try {
        client.appendBlock(inputStream, -1, opts.getAccessCond(), opts.getRequestOpts(), opts.getOpContext());
    } finally {
        closeInputStreamIfNeeded(inputStream);
    }
}

Example 49 with InputStream

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

the class BlobServiceProducer method uploadPageBlob.

private void uploadPageBlob(Exchange exchange) throws Exception {
    LOG.trace("Updating a page blob [{}] from exchange [{}]...", getConfiguration().getBlobName(), exchange);
    CloudPageBlob client = BlobServiceUtil.createPageBlobClient(getConfiguration());
    configureCloudBlobForWrite(client);
    BlobServiceRequestOptions opts = BlobServiceUtil.getRequestOptions(exchange);
    if (opts.getAccessCond() == null) {
        // Default: do not reset the blob content if the blob already exists
        opts.setAccessCond(AccessCondition.generateIfNotExistsCondition());
    }
    Boolean pageBlobCreated = exchange.getIn().getHeader(BlobServiceConstants.PAGE_BLOCK_CREATED, Boolean.class);
    if (Boolean.TRUE != pageBlobCreated) {
        doCreatePageBlob(client, opts, exchange);
    }
    InputStream inputStream = getInputStreamFromExchange(exchange);
    doUpdatePageBlob(client, inputStream, opts, exchange);
}

Example 50 with InputStream

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

the class BlobServiceProducer method getInputStreamFromExchange.

private InputStream getInputStreamFromExchange(Exchange exchange) throws Exception {
    Object blobObject = exchange.getIn().getMandatoryBody();
    InputStream inputStream = null;
    if (blobObject instanceof String) {
        String charset = getCharsetName(exchange);
        inputStream = new ByteArrayInputStream(((String) blobObject).getBytes(charset));
    } else if (blobObject instanceof InputStream) {
        inputStream = (InputStream) blobObject;
    } else if (blobObject instanceof File) {
        inputStream = new FileInputStream((File) blobObject);
    } else {
        throw new IllegalArgumentException("Unsupported blob type:" + blobObject.getClass().getName());
    }
    return inputStream;
}