Examples of org.rhq.core.util.MessageDigestGenerator

org.rhq.core.util.MessageDigestGenerator
An object that generates a message digest or hash for algorithms such as MD5 or SHA. This class is basically a wrapper around {@link java.security.MessageDigest} and provides convenience methods making it easier to generatehashes. There are static methods in here that use MD5 as the default algorithm. If you want to use another algorithm, instantiate an instance of this object and use its instance methods.

            filesToRealizeRegex = null;
            templateEngine = null;
        }
        this.filesToRealizeRegex = filesToRealizeRegex;
        this.templateEngine = templateEngine;
        this.hashcodeGenerator = new MessageDigestGenerator();
    }

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                } finally {
                    fos.close();
                }
            }


            MessageDigestGenerator hashcodeGenerator = this.copierAndHashcodeGenerator.getMessageDigestGenerator();
            hashcodeGenerator.add(bytes);
            hashcode = hashcodeGenerator.getDigestString();
        } else {
            if (!dryRun) {
                FileOutputStream fos = new FileOutputStream(entryFile);
                try {
                    hashcode = this.copierAndHashcodeGenerator.copyAndCalculateHashcode(stream, fos);

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                    }


                    //any jar should be fine. Use canned jar
                    InputStream originalBinaryStream = this.getClass().getClassLoader()
                        .getResourceAsStream("binary-blob-sample.jar");
                    String originalDigest = new MessageDigestGenerator(MessageDigestGenerator.SHA_256)
                        .calcDigestString(originalBinaryStream);
                    originalBinaryStream.close();
                    originalBinaryStream = this.getClass().getClassLoader()
                        .getResourceAsStream("binary-blob-sample.jar");
                    contentManager.updateBlobStream(originalBinaryStream, packageBits, null);
                    packageBits = em.find(PackageBits.class, packageBits.getId());


                    // test that the bits are available and stored in the DB: Reading the Blob
                    composite = contentUIManager.getLoadedPackageBitsComposite(pkgVer.getId());
                    assert composite != null;
                    assert composite.getPackageVersionId() == pkgVer.getId();
                    assert composite.getPackageBitsId() == packageBits.getId();
                    assert composite.isPackageBitsAvailable();
                    assert composite.isPackageBitsInDatabase();


                    FileOutputStream outputStream = new FileOutputStream(retrieved);
                    contentManager.writeBlobOutToStream(outputStream, packageBits, false);


                    //Check that db content equal to file system content
                    String newDigest = new MessageDigestGenerator(MessageDigestGenerator.SHA_256)
                        .calcDigestString(retrieved);
                    assertEquals("Uploaded and retrieved digests differ:", originalDigest, newDigest);


                } catch (Throwable t) {
                    t.printStackTrace();

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    MessageDigestGenerator digestGenerator;


    @Override
    protected void beforeMethod() throws Exception {
        digestGenerator = new MessageDigestGenerator(MessageDigestGenerator.SHA_256);
        jpaDriftServer = LookupUtil.getJPADriftServer();
        driftManager = LookupUtil.getDriftManager();
        overlord = LookupUtil.getSubjectManager().getOverlord();


        driftServerService = new DriftServerServiceImpl();

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    }


    RawConfiguration createRawConfiguration(String path) {
        RawConfiguration rawConfig = new RawConfiguration();
        String contents = new String(randomBytes());
        String sha256 = new MessageDigestGenerator(MessageDigestGenerator.SHA_256).calcDigestString(contents);
        rawConfig.setContents(contents, sha256);
        rawConfig.setPath(path);


        return rawConfig;
    }

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        return new PageList<PackageVersionMetadataComposite>(results, (int) count, pc);
    }


    @SuppressWarnings("unchecked")
    public String getResourceSubscriptionMD5(int resourceId) {
        MessageDigestGenerator md5Generator = new MessageDigestGenerator();


        Query q = entityManager.createNamedQuery(Repo.QUERY_FIND_REPOS_BY_RESOURCE_ID);
        q.setParameter("resourceId", resourceId);
        List<Repo> repos = q.getResultList();


        for (Repo repo : repos) {
            long modifiedTimestamp = repo.getLastModifiedDate();
            Date modifiedDate = new Date(modifiedTimestamp);
            md5Generator.add(Integer.toString(modifiedDate.hashCode()).getBytes());
        }


        String digestString = md5Generator.getDigestString();
        return digestString;
    }

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        // update contentDetails in needed
        if (null != contentDetails) {
            contentDetails.put(UPLOAD_FILE_SIZE, String.valueOf(bytes.length));
            try {
                contentDetails.put(UPLOAD_SHA256,
                    new MessageDigestGenerator(MessageDigestGenerator.SHA_256).calcDigestString(bytes));
            } catch (Exception e) {
                throw new RuntimeException("Failed to calculate SHA256 for package bits: ", e);
            }
        }

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    @SuppressWarnings("resource")
    private long copyAndDigest(InputStream input, OutputStream output, boolean closeStreams,
        Map<String, String> contentDetails) throws RuntimeException {
        long numBytesCopied = 0;
        int bufferSize = 32768;
        MessageDigestGenerator digestGenerator = null;
        if (contentDetails != null) {
            digestGenerator = new MessageDigestGenerator(MessageDigestGenerator.SHA_256);
        }
        try {
            // make sure we buffer the input
            input = new BufferedInputStream(input, bufferSize);


            byte[] buffer = new byte[bufferSize];


            for (int bytesRead = input.read(buffer); bytesRead != -1; bytesRead = input.read(buffer)) {
                output.write(buffer, 0, bytesRead);
                numBytesCopied += bytesRead;
                if (digestGenerator != null) {
                    digestGenerator.add(buffer, 0, bytesRead);
                }
            }


            if (contentDetails != null) {//if we're calculating a digest as well
                contentDetails.put(UPLOAD_FILE_SIZE, String.valueOf(numBytesCopied));
                contentDetails.put(UPLOAD_SHA256, digestGenerator.getDigestString());
            }
            output.flush();
        } catch (IOException ioe) {
            throw new RuntimeException("Stream data cannot be copied", ioe);
        } finally {

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    private ResourceConfigurationUpdate persistNewAgentReportedResourceConfiguration(Resource resource,
        Configuration liveConfig) throws ConfigurationUpdateStillInProgressException {


        if (liveConfig.getRawConfigurations() != null) {
            for (RawConfiguration raw : liveConfig.getRawConfigurations()) {
                MessageDigestGenerator sha256Generator = new MessageDigestGenerator(MessageDigestGenerator.SHA_256);
                sha256Generator.add(raw.getContents().getBytes());
                raw.setSha256(sha256Generator.getDigestString());
            }
        }


        /*
        * NOTE: We pass the overlord, since this is a system side-effect.  here, the system

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 */
public class StreamCopyDigest {
    private final MessageDigestGenerator generator;


    public StreamCopyDigest() {
        this.generator = new MessageDigestGenerator();
    }

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