Example usage for java.io DataInputStream readFully

Introduction

In this page you can find the example usage for java.io DataInputStream readFully.

Prototype

public final void readFully(byte b[]) throws IOException 

Source Link

Document

See the general contract of the readFully method of DataInput .

Usage

From source file:org.veronicadb.core.memorygraph.storage.SimpleLocalFileStorageSink.java

protected byte[] readGraphBloom(DataInputStream stream) throws IOException {
    byte[] bloom = new byte[stream.readInt()];
    stream.readFully(bloom);
    return bloom;
}

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From source file:J2MEImageLoader.java

public void run() {
    HttpConnection hc = null;/*from  w  ww . j  a  va 2s  .co m*/
    DataInputStream in = null;

    try {
        hc = (HttpConnection) Connector.open("http://www.y.com/image.gif");
        int length = (int) hc.getLength();
        byte[] data = null;
        if (length != -1) {
            data = new byte[length];
            in = new DataInputStream(hc.openInputStream());
            in.readFully(data);
        } else {
            int chunkSize = 512;
            int index = 0;
            int readLength = 0;
            in = new DataInputStream(hc.openInputStream());
            data = new byte[chunkSize];
            do {
                if (data.length < index + chunkSize) {
                    byte[] newData = new byte[index + chunkSize];
                    System.arraycopy(data, 0, newData, 0, data.length);
                    data = newData;
                }
                readLength = in.read(data, index, chunkSize);
                index += readLength;
            } while (readLength == chunkSize);
            length = index;
        }
        Image image = Image.createImage(data, 0, length);
        ImageItem imageItem = new ImageItem(null, image, 0, null);
        mForm.append(imageItem);
        mForm.setTitle("Done.");
    } catch (IOException ioe) {
        mForm.setTitle("Error.");
    }
}

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From source file:org.silverpeas.dbbuilder.DBBuilderPiece.java

public DBBuilderPiece(Console console, String pieceName, String actionName, boolean traceMode)
        throws Exception {
    this.console = console;
    this.traceMode = traceMode;
    this.actionName = actionName;
    this.pieceName = pieceName;
    if (pieceName.endsWith(".jar")) {
        content = "";
    } else {//from www .  jav  a 2  s .com
        // charge son contenu sauf pour un jar qui doit tre dans le classpath
        File myFile = new File(pieceName);
        if (!myFile.exists() || !myFile.isFile() || !myFile.canRead()) {
            console.printMessage("\t\t***Unable to load : " + pieceName);
            throw new Exception("Unable to find or load : " + pieceName);
        }
        int fileSize = (int) myFile.length();
        byte[] data = new byte[fileSize];
        DataInputStream in = new DataInputStream(new FileInputStream(pieceName));
        try {
            in.readFully(data);
        } finally {
            IOUtils.closeQuietly(in);
        }
        content = new String(data, Charsets.UTF_8);
    }
    Properties res = DBBuilder.getdbBuilderResources();
    if (res != null) {
        for (Enumeration e = res.keys(); e.hasMoreElements();) {
            String key = (String) e.nextElement();
            String value = res.getProperty(key);
            content = StringUtil.sReplace("${" + key + '}', value, content);
        }
    }
}

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From source file:com.igormaznitsa.jcp.it.maven.ITPreprocessorMojo.java

@Test
@SuppressWarnings("unchecked")
public void testPreprocessorUsage() throws Exception {
    final File testDir = ResourceExtractor.simpleExtractResources(this.getClass(), "./dummy_maven_project");

    final Verifier verifier = new Verifier(testDir.getAbsolutePath());

    verifier.deleteArtifact("com.igormaznitsa", "DummyMavenProjectToTestJCP", "1.0-SNAPSHOT", "jar");
    verifier.executeGoal("package");
    assertFalse("Folder must be removed", new File("./dummy_maven_project/target").exists());

    final File resultJar = ResourceExtractor.simpleExtractResources(this.getClass(),
            "./dummy_maven_project/DummyMavenProjectToTestJCP-1.0-SNAPSHOT.jar");

    verifier.verifyErrorFreeLog();/*from w ww  . ja  va2 s .c o  m*/
    verifier.verifyTextInLog("PREPROCESSED_TESTING_COMPLETED");
    verifier.verifyTextInLog("Cleaning has been started");
    verifier.verifyTextInLog("Removing preprocessed source folder");
    verifier.verifyTextInLog("Removing preprocessed test source folder");
    verifier.verifyTextInLog("Scanning for deletable directories");
    verifier.verifyTextInLog("Deleting directory:");
    verifier.verifyTextInLog("Cleaning has been completed");
    verifier.verifyTextInLog(" mvn.project.property.some.datapass.base=***** ");
    verifier.verifyTextInLog(" mvn.project.property.some.private.key=***** ");

    final JarAnalyzer jarAnalyzer = new JarAnalyzer(resultJar);
    List<JarEntry> classEntries;
    try {
        classEntries = (List<JarEntry>) jarAnalyzer.getClassEntries();

        for (final JarEntry ce : classEntries) {
            assertFalse(ce.getName().contains("excludedfolder"));
        }

        assertEquals("Must have only class", 1, classEntries.size());
        final JarEntry classEntry = classEntries.get(0);
        assertNotNull(findClassEntry(jarAnalyzer, "com/igormaznitsa/dummyproject/testmain2.class"));

        DataInputStream inStream = null;
        final byte[] buffer = new byte[(int) classEntry.getSize()];
        Class<?> instanceClass = null;
        try {
            inStream = new DataInputStream(jarAnalyzer.getEntryInputStream(classEntry));
            inStream.readFully(buffer);

            instanceClass = new ClassLoader() {

                public Class<?> loadClass(final byte[] data) throws ClassNotFoundException {
                    return defineClass(null, data, 0, data.length);
                }
            }.loadClass(buffer);
        } finally {
            IOUtils.closeQuietly(inStream);
        }

        if (instanceClass != null) {
            final Object instance = instanceClass.newInstance();
            assertEquals("Must return the project name", "Dummy Maven Project To Test JCP",
                    instanceClass.getMethod("test").invoke(instance));
        } else {
            fail("Unexpected state");
        }
    } finally {
        jarAnalyzer.closeQuietly();
    }
}

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From source file:mitm.common.security.password.PBEncryptionParameters.java

private void fromByteArray(byte[] encoded) throws IOException {
    ByteArrayInputStream bis = new ByteArrayInputStream(encoded);

    DataInputStream in = new DataInputStream(bis);

    long version = in.readLong();

    if (version != serialVersionUID) {
        throw new SerializationException("Version expected '" + serialVersionUID + "' but got '" + version);
    }//from   w w  w .  ja v a 2 s .c om

    int saltSize = in.readInt();

    this.salt = new byte[saltSize];

    in.readFully(salt);

    this.iterationCount = in.readInt();

    int encryptedSize = in.readInt();

    this.encryptedData = new byte[encryptedSize];

    in.readFully(encryptedData);
}

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From source file:org.carbondata.query.util.CacheUtil.java

/**
 * Below method is responsible for reading the sort index and sort reverse index
 *
 * @param levelFileName/* ww  w.  j  a  va 2  s .co m*/
 * @return List<int[][]>
 * @throws IOException
 */
public static List<int[][]> getLevelSortOrderAndReverseIndex(String levelFileName) throws IOException {
    if (!FileFactory.isFileExist(levelFileName + CarbonCommonConstants.LEVEL_SORT_INDEX_FILE_EXT,
            FileFactory.getFileType(levelFileName + CarbonCommonConstants.LEVEL_SORT_INDEX_FILE_EXT))) {
        return null;
    }
    DataInputStream dataInputStream = null;
    List<int[][]> sortIndexAndReverseIndexArray = new ArrayList<int[][]>(
            CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
    long size = 0;
    ByteBuffer buffer = null;
    try {
        dataInputStream = FileFactory.getDataInputStream(
                levelFileName + CarbonCommonConstants.LEVEL_SORT_INDEX_FILE_EXT,
                FileFactory.getFileType(levelFileName));
        size = FileFactory.getCarbonFile(levelFileName + CarbonCommonConstants.LEVEL_SORT_INDEX_FILE_EXT,
                FileFactory.getFileType(levelFileName)).getSize();
        // CHECKSTYLE:OFF Approval No:Approval-V1R2C10_005
        buffer = ByteBuffer.allocate((int) size);
        // CHECKSTYLE:ON
        dataInputStream.readFully(buffer.array());
        sortIndexAndReverseIndexArray.add(getIndexArray(buffer));
        sortIndexAndReverseIndexArray.add(getIndexArray(buffer));
    } catch (IOException e) {
        LOGGER.error(e);
        throw e;
    } finally {
        CarbonUtil.closeStreams(dataInputStream);
    }
    return sortIndexAndReverseIndexArray;
}

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From source file:com.facebook.infrastructure.db.Column.java

private IColumn defreeze(DataInputStream dis, String name) throws IOException {
    IColumn column = null;/*from  w w  w . j ava 2 s .  co m*/
    boolean delete = dis.readBoolean();
    long ts = dis.readLong();
    int size = dis.readInt();
    byte[] value = new byte[size];
    dis.readFully(value);
    column = new Column(name, value, ts, delete);
    return column;
}

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From source file:org.apache.hadoop.dfs.TestDataTransferProtocol.java

private void sendRecvData(String testDescription, boolean eofExpected) throws IOException {
    /* Opens a socket to datanode
     * sends the data in sendBuf./*  w w  w  .  ja v a  2s. co  m*/
     * If there is data in expectedBuf, expects to receive the data
     *     from datanode that matches expectedBuf.
     * If there is an exception while recieving, throws it
     *     only if exceptionExcepted is false.
     */

    Socket sock = null;
    try {

        if (testDescription != null) {
            LOG.info("Testing : " + testDescription);
        }
        sock = new Socket();
        sock.connect(dnAddr, FSConstants.READ_TIMEOUT);
        sock.setSoTimeout(FSConstants.READ_TIMEOUT);

        OutputStream out = sock.getOutputStream();
        // Should we excuse 
        byte[] retBuf = new byte[recvBuf.size()];

        DataInputStream in = new DataInputStream(sock.getInputStream());
        out.write(sendBuf.toByteArray());
        try {
            in.readFully(retBuf);
        } catch (EOFException eof) {
            if (eofExpected) {
                LOG.info("Got EOF as expected.");
                return;
            }
            throw eof;
        }
        for (int i = 0; i < retBuf.length; i++) {
            System.out.print(retBuf[i]);
        }
        System.out.println(":");

        if (eofExpected) {
            throw new IOException("Did not recieve IOException when an exception "
                    + "is expected while reading from " + datanode.getName());
        }

        byte[] needed = recvBuf.toByteArray();
        for (int i = 0; i < retBuf.length; i++) {
            System.out.print(retBuf[i]);
            assertEquals("checking byte[" + i + "]", needed[i], retBuf[i]);
        }
    } finally {
        IOUtils.closeSocket(sock);
    }
}

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From source file:mitm.common.security.crypto.PBEncryptedStreamParameters.java

private void fromInputStream(InputStream input) throws IOException {
    DataInputStream dis = new DataInputStream(input);

    long version = dis.readLong();

    if (version != serialVersionUID) {
        throw new SerializationException("Version expected '" + serialVersionUID + "' but got '" + version);
    }//from www .ja va  2  s.co  m

    algorithm = dis.readUTF();

    int saltSize = dis.readInt();

    this.salt = new byte[saltSize];

    dis.readFully(salt);

    this.iterationCount = dis.readInt();
}

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From source file:com.zacwolf.commons.crypto._CRYPTOfactory.java

final public static _CRYPTOfactory getInstance(InputStream in) throws ClassNotFoundException,
        NoSuchAlgorithmException, IllegalArgumentException, SecurityException, InstantiationException,
        IllegalAccessException, InvocationTargetException, NoSuchMethodException, IOException {
    final DataInputStream d = new DataInputStream(in);
    int start = 0;
    final int type_length = d.readInt();
    start = start + 4;//from w  w  w  . jav  a 2 s  .  co m
    final int cipher_length = d.readInt();
    start = start + 4;
    final int salter_length = d.readInt();
    start = start + 4;
    final int key_length = d.readInt();
    start = start + 4;
    final StringBuilder type = new StringBuilder();
    final StringBuilder cipher = new StringBuilder();
    final StringBuilder salter = new StringBuilder();
    final byte[] key = new byte[key_length];
    for (int i = 0; i < type_length; i++)
        type.append((char) d.readByte());
    for (int i = 0; i < cipher_length; i++)
        cipher.append((char) d.readByte());
    for (int i = 0; i < salter_length; i++)
        salter.append((char) d.readByte());
    d.readFully(key);
    return new _CRYPTOfactory(
            (Crypter) Class.forName(_CRYPTOfactory.class.getPackage().getName() + "." + type + "Crypter")
                    .getConstructor(byte[].class, String.class, SecureRandom.class)
                    .newInstance(key, cipher.toString(), SecureRandom.getInstance(salter.toString())));
}

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