Example usage for org.springframework.util Assert hasLength

Introduction

In this page you can find the example usage for org.springframework.util Assert hasLength.

Prototype

public static void hasLength(@Nullable String text, Supplier<String> messageSupplier) 

Source Link

Document

Assert that the given String is not empty; that is, it must not be null and not the empty String.

Usage

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public FileInfo getFileInfo(String path) {
    Assert.hasLength(path, "Enter the file or directory.");

    boolean isDir = path.endsWith("/");

    try {/*from  ww  w  .j  a v  a  2  s .  co  m*/
        String bucket = S3Utils.getBucket(path);
        String objectKey = null;
        if (isDir) {
            objectKey = S3Utils.getObjectKey(path);
            if (path.equals("/" + S3Utils.getBucket(path) + "/")) { // Bucket
                List<Bucket> buckets = awsClient.listBuckets();
                for (Bucket b : buckets) {
                    if (b.getName().equals(bucket)) {
                        return new S3BucketInfo(b);
                    }
                }
            } else {
                S3Object object = awsClient.getObject(bucket, objectKey);
                return new S3DirectoryInfo(path, object);
            }
        }

        objectKey = "/" + S3Utils.getBucket(path) + "/";
        objectKey = StringUtils.remove(path, objectKey);
        S3Object object = awsClient.getObject(bucket, objectKey);
        return new S3ObjectInfo(object, objectKey);
    } catch (Exception ex) {
        //            throw new FileSystemException("  '" + path + "'?  ? ?    .", ex);
        throw new FileSystemException("Cannot get file information.", ex);
    }
}

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From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public InputStream getContent(String path) {
    Assert.hasLength(path, "Enter the path.");

    try {/*from www  . j  a  va  2 s.c o m*/
        String bucket = S3Utils.getBucket(path);
        String relativePath = StringUtils.remove(path, "/" + bucket + "/");

        return awsClient.getObject(bucket, relativePath).getObjectContent();
    } catch (Exception ex) {
        throw new FileSystemException(
                "The specified path can not get the file input stream file system, please check.", ex);
    }
}

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From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public boolean delete(String path) {
    Assert.hasLength(path, "Please enter the file path.");

    if (S3Utils.isDirectory(path)) {
        ObjectListing objectListing = awsClient.listObjects(new ListObjectsRequest()
                .withBucketName(S3Utils.getBucket(path)).withPrefix(S3Utils.getObjectKey(path)));
        for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) {
            awsClient.deleteObject(objectSummary.getBucketName(), objectSummary.getKey());
        }//from www  . ja  v a2 s.c o m
    } else {
        String bucket = S3Utils.getBucket(path);
        String relativePath = StringUtils.remove(path, "/" + bucket + "/");
        awsClient.deleteObject(bucket, relativePath);
    }
    // auditService.delete(FileSystemType.S3, username, path);
    return true;
}

---

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public boolean move(String fromPath, String toPath) {
    //        Assert.hasLength(fromPath, "?? ? ? ? ?  'from'?  .");
    Assert.hasLength(fromPath, "Please enter the source path.");
    //        Assert.hasLength(toPath, "?? ?  'to'  .");
    Assert.hasLength(toPath, "Please enter the destination path.");

    if (!exists(fromPath))
        throw new FileSystemException("Not exist file");

    if (!toPath.endsWith("/")) {
        //            throw new FileSystemException("?? ?  '" + toPath + "'? ?? '" + fromPath + "' ??  . ?? ? ? ? ?? .");
        throw new FileSystemException("Files can not be moved.");
    }//from www  . ja va  2 s. c o m
    // ??    ? ? ?? ??  .
    if (exists(toPath))
        throw new FileSystemException("Already exist a file or a directory.");
    //            throw new FileSystemException("'" + toPath + "' ? ? ?     . ?? ??  ? ?  ? ?   .");

    try {
        boolean copyResult = copy(fromPath, toPath);
        boolean deleteResult = delete(fromPath);
        /*
                    if (copyResult && deleteResult && auditService != null)
        auditService.move(FileSystemType.S3, username, fromPath, toPath);
        */
        return copyResult;
    } catch (AmazonServiceException ase) {
        throw new FileSystemException("Cannot move the file.", ase);
    } catch (AmazonClientException ace) {
        throw new FileSystemException("Cannot move the file", ace);
    }
}

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From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public List<String> move(List<String> filesPath, String to) {
    Assert.notEmpty(filesPath, "Please enter the source path.");
    Assert.hasLength(to, "Please enter the destination path.");

    List<String> notMoved = new ArrayList<String>();
    for (String file : filesPath) {
        boolean result = move(file, to);
        if (!result) {
            notMoved.add(file);/*ww  w  .j a  va2s.c om*/
        }
        if (result && auditService != null)
            ;
        // auditService.move(FileSystemType.S3, username, file, to);
    }
    return null;
}

---

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public boolean copy(String from, String to) {
    //        Assert.hasLength(from, " ?? ?  'from'?  .");
    Assert.hasLength(from, "Please enter the source path.");
    //        Assert.hasLength(to, " ?  'to'  .");
    Assert.hasLength(to, "Please enter the destination path.");

    String fromBucket = S3Utils.getBucket(from);
    String toBucket = S3Utils.getBucket(to);
    String fromKey = StringUtils.remove(from, "/" + fromBucket + "/");
    String toKey = S3Utils.getObjectKey(to);
    String fileName = getFileName(fromKey);

    try {/* w ww  . j av  a  2 s  . c  o  m*/
        CopyObjectRequest copyObjectRequest = new CopyObjectRequest(fromBucket, fromKey, toBucket,
                toKey + fileName);
        awsClient.copyObject(copyObjectRequest);
        return true;
    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, " + "which means your request made it "
                + "to Amazon S3, but was rejected with an error " + "response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());

        //            throw new FileSystemException("??    . ? ? ? .", ase);
        throw new FileSystemException("Cannot copy the file.", ase);
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, " + "which means the client encountered "
                + "an internal error while trying to " + " communicate with S3, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
        //            throw new FileSystemException("??    . ? ? ? .", ace);
        throw new FileSystemException("Cannot copy the file.", ace);
    }
}

---

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public boolean mkdir(String path) {
    //        Assert.hasLength(path, " ?  'path'  .");
    Assert.hasLength(path, "Please enter the path");

    String bucket = S3Utils.getBucket(path);
    String relativePath = S3Utils.getObjectKey(path);

    try {/* w  w  w  .jav a  2  s  . c om*/
        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setContentLength(0);
        InputStream emptyContent = new ByteArrayInputStream(new byte[0]);
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, relativePath, emptyContent, metadata);
        awsClient.putObject(putObjectRequest);
        /*
                    auditService.mkdir(FileSystemType.S3, username, path);
        */
        return true;
    } catch (AmazonServiceException ase) {
        //            throw new FileSystemException(" ?   ?  . ? ? ? .", ase);
        throw new FileSystemException("Cannot create the directory.", ase);
    } catch (AmazonClientException ace) {
        //            throw new FileSystemException(" ?   ?  . ? ? ? .", ace);
        throw new FileSystemException("Cannot create the directory.", ace);
    }
}

---

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

@Override
public List<String> copy(List<String> files, String to) {
    //        Assert.notEmpty(files, " ? ? 'files'?  .");
    Assert.notEmpty(files, "Please enter the list of files.");
    //        Assert.hasLength(to, "??  ?  'to'?  .");
    Assert.hasLength(to, "Please enter the destination path.");

    List<String> notCopied = new ArrayList<String>();
    for (String file : files) {
        try {//from   w ww.  j a  va  2  s.com
            boolean result = copy(file, to);
            if (!result) {
                notCopied.add(file);
            }
            /*
                            if (result && auditService != null)
            auditService.copy(FileSystemType.S3, username, file, to);
            */
        } catch (Exception ex) {
            //  ?  ? ?       ? ?  ?? .
            notCopied.add(file);
        }
    }
    return notCopied;
}

---

From source file:org.openflamingo.fs.s3.S3ObjectProvider.java

public boolean save(InputStream is, long size, String path) {
    //        Assert.notNull(is, " ??   'is'?  .");
    Assert.notNull(is, "Please enter the input stream.");
    //        Assert.hasLength(path, "??  ? ??  'path'?  .");
    Assert.hasLength(path, "Please enter the path.");

    try {/*from   ww  w .  j a  va 2 s  . c o m*/
        String bucket = S3Utils.getBucket(path);
        String key = StringUtils.remove(path, "/" + bucket + "/");
        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setHeader(Headers.CONTENT_LENGTH, size);
        awsClient.putObject(new PutObjectRequest(bucket, key, is, metadata));
        return true;
    } catch (AmazonServiceException ase) {
        System.out.println("Caught an AmazonServiceException, " + "which means your request made it "
                + "to Amazon S3, but was rejected with an error " + "response for some reason.");
        System.out.println("Error Message:    " + ase.getMessage());
        System.out.println("HTTP Status Code: " + ase.getStatusCode());
        System.out.println("AWS Error Code:   " + ase.getErrorCode());
        System.out.println("Error Type:       " + ase.getErrorType());
        System.out.println("Request ID:       " + ase.getRequestId());

        //            throw new FileSystemException("??    . ? ? ? .", ase);
        throw new FileSystemException("Connot copy the file.", ase);
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, " + "which means the client encountered "
                + "an internal error while trying to " + " communicate with S3, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());

        //            throw new FileSystemException("??   . ? ? ?.", ace);
        throw new FileSystemException("Connot copy the file.", ace);
    }
}

---

From source file:org.openflamingo.maven.PutMojo.java

@Override
public void execute() throws MojoExecutionException, MojoFailureException {
    Assert.hasLength(namenode, "'namenode' is null");
    Assert.hasLength(artifactPath, "'artifactPath' is null");
    Assert.hasLength(hdfsPath, "'hdfsPath' is null");

    getLog().info("Namenode is " + namenode);
    getLog().info(MessageFormatter.format("Copying {} to {}", hdfsPath, artifactPath).getMessage());

    if (!new File(artifactPath).exists()) {
        String message = MessageFormatter.format("'{}' doesn't exists", artifactPath).getMessage();
        getLog().error(message);/*  w  w  w  . j  a v  a 2s .c o  m*/
        throw new MojoExecutionException(message);
    }

    FileSystem fs = HdfsUtils.getFileSystem(namenode);
    if (deleteIfExists && HdfsUtils.isExist(fs, artifactPath)) {
        HdfsUtils.delete(fs, artifactPath);
        getLog().info(MessageFormatter.format("Deleted {}", artifactPath).getMessage());
    }

    if (!HdfsUtils.isExist(fs, hdfsPath)) {
        HdfsUtils.mkdir(fs, hdfsPath);
        getLog().info(MessageFormatter.format("Created {}", hdfsPath).getMessage());
    }

    FileInputStream fis = null;
    FSDataOutputStream fdos = null;
    try {
        fis = new FileInputStream(artifactPath);
        String filename = FileUtils.getFilename(artifactPath);
        fdos = fs.create(new Path(hdfsPath, filename));
        IOUtils.copy(fis, fdos);

        getLog().info(MessageFormatter.format("Copied {} to {}", hdfsPath, artifactPath).getMessage());
    } catch (Exception ex) {
        String message = MessageFormatter.format("Cannot copied {} to {}", hdfsPath, artifactPath).getMessage();
        throw new MojoExecutionException(message, ex);
    } finally {
        IOUtils.closeQuietly(fdos);
        IOUtils.closeQuietly(fis);
    }
}

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