Java FileCopyUtils.copy方法代碼示例

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
	for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
		String headerName = entry.getKey();
		for (String headerValue : entry.getValue()) {
			this.connection.addRequestProperty(headerName, headerValue);
		}
	}

	if (this.connection.getDoOutput() && this.outputStreaming) {
		this.connection.setFixedLengthStreamingMode(bufferedOutput.length);
	}
	this.connection.connect();
	if (this.connection.getDoOutput()) {
		FileCopyUtils.copy(bufferedOutput, this.connection.getOutputStream());
	}

	return new SimpleClientHttpResponse(this.connection);
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
/**
 * Pre-load some fake images
 *
 * @return Spring Boot {@link CommandLineRunner} automatically run after app context is loaded.
 */
@Bean
CommandLineRunner setUp() throws IOException {
	return (args) -> {
		FileSystemUtils.deleteRecursively(new File(UPLOAD_ROOT));

		Files.createDirectory(Paths.get(UPLOAD_ROOT));

		FileCopyUtils.copy("Test file",
			new FileWriter(UPLOAD_ROOT +
				"/learning-spring-boot-cover.jpg"));

		FileCopyUtils.copy("Test file2",
			new FileWriter(UPLOAD_ROOT +
				"/learning-spring-boot-2nd-edition-cover.jpg"));

		FileCopyUtils.copy("Test file3",
			new FileWriter(UPLOAD_ROOT + "/bazinga.png"));
	};
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
@Override
public void setBlobAsBinaryStream(
		PreparedStatement ps, int paramIndex, InputStream binaryStream, int contentLength)
		throws SQLException {

	Blob blob = ps.getConnection().createBlob();
	try {
		FileCopyUtils.copy(binaryStream, blob.setBinaryStream(1));
	}
	catch (IOException ex) {
		throw new DataAccessResourceFailureException("Could not copy into LOB stream", ex);
	}

	this.temporaryBlobs.add(blob);
	ps.setBlob(paramIndex, blob);

	if (logger.isDebugEnabled()) {
		logger.debug(binaryStream != null ?
				"Copied binary stream into temporary BLOB with length " + contentLength :
				"Set BLOB to null");
	}
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
/**
 * Processes the incoming Burlap request and creates a Burlap response.
 */
@Override
public void handle(HttpExchange exchange) throws IOException {
	if (!"POST".equals(exchange.getRequestMethod())) {
		exchange.getResponseHeaders().set("Allow", "POST");
		exchange.sendResponseHeaders(405, -1);
		return;
	}

	ByteArrayOutputStream output = new ByteArrayOutputStream(1024);
	try {
		invoke(exchange.getRequestBody(), output);
	}
	catch (Throwable ex) {
		exchange.sendResponseHeaders(500, -1);
		logger.error("Burlap skeleton invocation failed", ex);
	}

	exchange.sendResponseHeaders(200, output.size());
	FileCopyUtils.copy(output.toByteArray(), exchange.getResponseBody());
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
@Test
public void shouldPackOnlyMissingResources() throws Exception {
    ZipFile zipFile = new ZipFile(SampleProjects.springTravel());
    try {
        ApplicationArchive archive = new ZipApplicationArchive(zipFile);
        CloudResources allResources = new CloudResources(archive);
        List<CloudResource> resources = new ArrayList<CloudResource>(allResources.asList());
        resources.remove(0);
        CloudResources knownRemoteResources = new CloudResources(resources);
        UploadApplicationPayload payload = new UploadApplicationPayload(archive, knownRemoteResources);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        FileCopyUtils.copy(payload.getInputStream(), bos);
        assertThat(payload.getArchive(), is(archive));
        assertThat(payload.getTotalUncompressedSize(), is(93));
        assertThat(bos.toByteArray().length, is(2451));
    } finally {
        zipFile.close();
    }
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
private TFile getFile(String extension, String location) 
    {
        File file = TempFileProvider.createTempFile("moduleManagementToolTest-", extension);        
        InputStream is = this.getClass().getClassLoader().getResourceAsStream(location);
        assertNotNull(is);
        OutputStream os;
        try
        {
            os = new FileOutputStream(file);
            FileCopyUtils.copy(is, os);
        }
        catch (IOException error)
        {
            error.printStackTrace();
        }        
        return new TFile(file);
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
/**
 * Processes the incoming Hessian request and creates a Hessian response.
 */
@Override
public void handle(HttpExchange exchange) throws IOException {
	if (!"POST".equals(exchange.getRequestMethod())) {
		exchange.getResponseHeaders().set("Allow", "POST");
		exchange.sendResponseHeaders(405, -1);
		return;
	}

	ByteArrayOutputStream output = new ByteArrayOutputStream(1024);
	try {
		invoke(exchange.getRequestBody(), output);
	}
	catch (Throwable ex) {
		exchange.sendResponseHeaders(500, -1);
		logger.error("Hessian skeleton invocation failed", ex);
		return;
	}

	exchange.getResponseHeaders().set("Content-Type", CONTENT_TYPE_HESSIAN);
	exchange.sendResponseHeaders(200, output.size());
	FileCopyUtils.copy(output.toByteArray(), exchange.getResponseBody());
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
/**
 * Pre-load some test images
 *
 * @return Spring Boot {@link CommandLineRunner} automatically
 *         run after app context is loaded.
 */
@Bean
CommandLineRunner setUp() throws IOException {
	return (args) -> {
		FileSystemUtils.deleteRecursively(new File(UPLOAD_ROOT));

		Files.createDirectory(Paths.get(UPLOAD_ROOT));

		FileCopyUtils.copy("Test file",
			new FileWriter(UPLOAD_ROOT +
				"/learning-spring-boot-cover.jpg"));

		FileCopyUtils.copy("Test file2",
			new FileWriter(UPLOAD_ROOT +
				"/learning-spring-boot-2nd-edition-cover.jpg"));

		FileCopyUtils.copy("Test file3",
			new FileWriter(UPLOAD_ROOT + "/bazinga.png"));
	};
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
public String getContent()
    throws IOException
{
    // ensure we only try to read the content once - as this method may be called several times
    // but the inputstream can only be processed a single time
    if (this.content == null)
    {
        ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
        FileCopyUtils.copy(stream, os);  // both streams are closed
        byte[] bytes = os.toByteArray();
        // get the encoding for the string
        String encoding = getEncoding();
        // create the string from the byte[] using encoding if necessary
        this.content = (encoding == null) ? new String(bytes) : new String(bytes, encoding);
    }
    return this.content;
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
private StoreEntity storeFile(File file, String mediaId, Resource resource) throws IOException {
    file.createNewFile();
    file.setLastModified(0l);
    FileCopyUtils.copy(resource.getInputStream(), new FileOutputStream(file));
    StoreEntity storeEntity = StoreEntity.builder()
            .filePath(file.getAbsolutePath())
            .createTime(new Date())
            .mediaType(null) //有必要的話可以嘗試解析文件名來獲取mediaType，暫時不想做
            .mediaId(mediaId)
            .lastModifiedTime(new Date(0l))
            .build();
    return storeEntity;
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
/**
 * Streams content back to client from a given resource path.
 * 
 * @param req               The request
 * @param res               The response
 * @param resourcePath      The classpath resource path the content is required for.
 * @param attach            Indicates whether the content should be streamed as an attachment or not
 * @param attachFileName    Optional file name to use when attach is <code>true</code>
 * @throws IOException
 */
protected void streamContent(WebScriptRequest req, 
                             WebScriptResponse res, 
                             String resourcePath,
                             boolean attach, 
                             String attachFileName,
                             Map<String, Object> model) throws IOException
{
    if (logger.isDebugEnabled())
        logger.debug("Retrieving content from resource path " + resourcePath + " (attach: " + attach + ")");
    
    // get extension of resource
    String ext = "";
    int extIndex = resourcePath.lastIndexOf('.');
    if (extIndex != -1)
    {
        ext = resourcePath.substring(extIndex);
    }
    
    // We need to retrieve the modification date/time from the resource itself.
    StringBuilder sb = new StringBuilder("classpath:").append(resourcePath);
    final String classpathResource = sb.toString();
    
    long resourceLastModified = resourceLoader.getResource(classpathResource).lastModified();
    
    // create temporary file 
    File file = TempFileProvider.createTempFile("streamContent-", ext);

    InputStream is = resourceLoader.getResource(classpathResource).getInputStream();
    OutputStream os = new FileOutputStream(file);
    FileCopyUtils.copy(is, os);
    
    // stream the contents of the file, but using the modifiedDate of the original resource.
    streamContent(req, res, file, resourceLastModified, attach, attachFileName, model);
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
public void testReload() throws IOException {
    FileCopyUtils.copy(new File(SRC_TEST_RESOURCES_PROPERTIES + EXTERNAL_PROPERTIES), new File(BUILD_TEST_RESOURCES_PROPERTIES + EXTERNAL_PROPERTIES));

    ExternalProperties.setPropertiesFilePath(BUILD_TEST_RESOURCES_PROPERTIES + EXTERNAL_PROPERTIES);

    final String propertyToAdd = "test.reload=true";
    writeNewPropertyToFile(propertyToAdd, BUILD_TEST_RESOURCES_PROPERTIES + EXTERNAL_PROPERTIES);

    ExternalProperties.reload();
    assertEquals("string property", ExternalProperties.get("string.property"));
    assertEquals(Integer.valueOf(5), ExternalProperties.getAsInteger("integer.property"));
    assertEquals(Boolean.TRUE, ExternalProperties.getAsBoolean("boolean.property"));
    assertEquals(Boolean.TRUE, ExternalProperties.getAsBoolean("test.reload"));
    assertNull(ApplicationProperties.get("home team"));
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
private void saveBuildInfo(String buildInfo, File buildInfoFile) {
	try {
		FileCopyUtils.copy(buildInfo, new FileWriter(buildInfoFile));
	}
	catch (IOException ex) {
		throw new IllegalStateException(ex);
	}
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
public void saveSnapshot(String transferId, InputStream openStream) throws TransferException
{
    // Check that this transfer still owns the lock
    Lock lock = checkLock(transferId);
    try
    {
        if (log.isDebugEnabled())
        {
            log.debug("Saving snapshot for transferId =" + transferId);
        }

        File snapshotFile = new File(getStagingFolder(transferId), SNAPSHOT_FILE_NAME);
        try
        {
            if (snapshotFile.createNewFile())
            {
                int size = FileCopyUtils.copy(openStream, new BufferedOutputStream(new FileOutputStream(snapshotFile)));
                progressMonitor.logComment(transferId, "Received manifest file. Size = " + size);
                if (log.isDebugEnabled())
                {
                    log.debug("Saved snapshot for transferId =" + transferId);
                }
            }
        }
        catch (Exception ex)
        {
            throw new TransferException(MSG_ERROR_WHILE_STAGING_SNAPSHOT, ex);
        }
    }
    finally
    {
        lock.enableLockTimeout();
    }
}
 

import org.springframework.util.FileCopyUtils; //導入方法依賴的package包/類
private File createTemporaryUploadFile(InputStream inputStream) throws IOException {
    File file = File.createTempFile("cfjava", null);
    FileOutputStream outputStream = new FileOutputStream(file);
    FileCopyUtils.copy(inputStream, outputStream);
    outputStream.close();
    return file;
}