Example usage for java.io InputStream InputStream

Introduction

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

Prototype

InputStream

Source Link

Usage

From source file:org.thelq.stackexchange.dbimport.analyze.ColumnAnalyzer.java

public static void main(String[] args) throws IOException, XMLStreamException {
    String archivePath = "C:\\Users\\Leon\\Downloads\\Stack Exchange Data Dump - Jun 2013\\Content\\android.stackexchange.com.7z";
    final SevenZFile archive = new SevenZFile(new File(archivePath));
    InputStream archiveWrappedInputStream = new InputStream() {
        @Override/*w ww  . jav  a  2s.c om*/
        public int read() throws IOException {
            return archive.read();
        }

        @Override
        public int read(byte[] b) throws IOException {
            return archive.read(b);
        }

        @Override
        public int read(byte[] b, int off, int len) throws IOException {
            return archive.read(b, off, len);
        }
    };
    for (SevenZArchiveEntry curEntry = archive.getNextEntry(); (curEntry = archive.getNextEntry()) != null;)
        if (curEntry.getName().endsWith(".xml"))
            analyze(archivePath + "\\" + curEntry.getName(), archiveWrappedInputStream);
}

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From source file:neembuu.httpserver.VFileEntity.java

@Override
public InputStream getContent() throws IOException, IllegalStateException {
    return new InputStream() {
        long pos = startingOffset;

        @Override/*from   w w w  .j a va  2 s  .  c  o m*/
        public int read() throws IOException {
            throw new IllegalStateException("This is not used.");
        }

        @Override
        public int read(byte[] b) throws IOException {
            return read(b, 0, b.length); //To change body of generated methods, choose Tools | Templates.
        }

        @Override
        public int read(byte[] b, int off, int len) throws IOException {
            ByteBuffer bb = ByteBuffer.wrap(b, 0, len);
            BlockingReadRequest brr = new BlockingReadRequest(bb, pos);
            try {
                af.read(new SimpleReadRequest(bb, pos));
            } catch (Exception a) {
                IOException ioe = new IOException();
                ioe.addSuppressed(a);
            }
            int read = brr.read();
            pos += read;
            return read;
        }

    };
}

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From source file:onl.area51.httpd.util.EmptyEntity.java

@Override
public InputStream getContent() throws IOException, UnsupportedOperationException {
    return new InputStream() {
        @Override// w  w w.j a  v a 2  s.  co  m
        public int read() throws IOException {
            return -1;
        }
    };
}

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From source file:com.btoddb.trellis.common.serialization.JavaSerializer.java

@Override
public Serializable deserialize(final ByteBuffer bb) {
    try {/*from www . ja  v a 2s . c om*/
        ObjectInputStream ois;
        ois = new ObjectInputStream(new InputStream() {
            @Override
            public int read() throws IOException {
                return bb.get();
            }
        });
        Object obj = ois.readObject();
        return (Serializable) obj;
    } catch (IOException e) {
        throw new TrellisException("exception while deserializing Java Serializable object", e);
    } catch (ClassNotFoundException e) {
        throw new TrellisException("exception while deserializing Java Serializable object", e);
    }
}

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From source file:bobs.is.compress.sevenzip.AES256SHA256Decoder.java

@Override
InputStream decode(final String archiveName, final InputStream in, final long uncompressedLength,
        final Coder coder, final byte[] passwordBytes) throws IOException {
    return new InputStream() {
        private boolean isInitialized = false;
        private CipherInputStream cipherInputStream = null;

        private CipherInputStream init() throws IOException {
            if (isInitialized) {
                return cipherInputStream;
            }/*from  w  w w. j  a v  a  2 s  . com*/
            final int byte0 = 0xff & coder.properties[0];
            final int numCyclesPower = byte0 & 0x3f;
            final int byte1 = 0xff & coder.properties[1];
            final int ivSize = ((byte0 >> 6) & 1) + (byte1 & 0x0f);
            final int saltSize = ((byte0 >> 7) & 1) + (byte1 >> 4);
            if (2 + saltSize + ivSize > coder.properties.length) {
                throw new IOException("Salt size + IV size too long in " + archiveName);
            }
            final byte[] salt = new byte[saltSize];
            System.arraycopy(coder.properties, 2, salt, 0, saltSize);
            final byte[] iv = new byte[16];
            System.arraycopy(coder.properties, 2 + saltSize, iv, 0, ivSize);

            if (passwordBytes == null) {
                throw new PasswordRequiredException(archiveName);
            }
            final byte[] aesKeyBytes;
            if (numCyclesPower == 0x3f) {
                aesKeyBytes = new byte[32];
                System.arraycopy(salt, 0, aesKeyBytes, 0, saltSize);
                System.arraycopy(passwordBytes, 0, aesKeyBytes, saltSize,
                        Math.min(passwordBytes.length, aesKeyBytes.length - saltSize));
            } else {
                final MessageDigest digest;
                try {
                    digest = MessageDigest.getInstance("SHA-256");
                } catch (final NoSuchAlgorithmException noSuchAlgorithmException) {
                    throw new IOException("SHA-256 is unsupported by your Java implementation",
                            noSuchAlgorithmException);
                }
                final byte[] extra = new byte[8];
                for (long j = 0; j < (1L << numCyclesPower); j++) {
                    digest.update(salt);
                    digest.update(passwordBytes);
                    digest.update(extra);
                    for (int k = 0; k < extra.length; k++) {
                        ++extra[k];
                        if (extra[k] != 0) {
                            break;
                        }
                    }
                }
                aesKeyBytes = digest.digest();
            }

            final SecretKey aesKey = new SecretKeySpec(aesKeyBytes, "AES");
            try {
                final Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
                cipher.init(Cipher.DECRYPT_MODE, aesKey, new IvParameterSpec(iv));
                cipherInputStream = new CipherInputStream(in, cipher);
                isInitialized = true;
                return cipherInputStream;
            } catch (final GeneralSecurityException generalSecurityException) {
                throw new IOException("Decryption error "
                        + "(do you have the JCE Unlimited Strength Jurisdiction Policy Files installed?)",
                        generalSecurityException);
            }
        }

        @Override
        public int read() throws IOException {
            return init().read();
        }

        @Override
        public int read(final byte[] b, final int off, final int len) throws IOException {
            return init().read(b, off, len);
        }

        @Override
        public void close() {
        }
    };
}

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From source file:com.microsoft.alm.plugin.external.commands.CommandTest.java

/**
 * This test makes sure that output from a command is flushed before the completion event is fired.
 *
 * @throws Exception//ww  w.ja  v  a 2s. c o m
 */
@Test
public void testRaceCondition() throws Exception {
    // Fake the tool location so this works on any machine
    PowerMockito.mockStatic(TfTool.class);
    when(TfTool.getValidLocation()).thenReturn("/path/tf_home");

    Process proc = Mockito.mock(Process.class);
    PowerMockito.mockStatic(ProcessHelper.class);
    when(ProcessHelper.startProcess(anyString(), anyList())).thenReturn(proc);
    when(proc.getErrorStream()).thenReturn(new InputStream() {
        @Override
        public int read() throws IOException {
            return -1;
        }
    });
    when(proc.getInputStream()).thenReturn(new InputStream() {
        private String result = "12345";
        private int index = 0;

        @Override
        public int read() throws IOException {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            if (index < result.length()) {
                return result.charAt(index++);
            } else {
                return -1;
            }
        }
    });
    when(proc.waitFor()).thenAnswer(new Answer<Integer>() {
        @Override
        public Integer answer(InvocationOnMock invocation) throws Throwable {
            return 0;
        }
    });
    when(proc.exitValue()).thenReturn(0);

    final MyCommand cmd = new MyCommand(null);
    final String output = cmd.runSynchronously();
    Assert.assertEquals("12345", StringUtils.strip(output));
}

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From source file:com.github.songsheng.vfs2.provider.nfs.NfsFileRandomAccessContent.java

public NfsFileRandomAccessContent(final XFile NfsFile, final RandomAccessMode mode) throws FileSystemException {
    super(mode);//  w w  w  . j av a 2 s.c om

    try {
        raf = new XRandomAccessFile(NfsFile, mode.getModeString());
        rafis = new InputStream() {
            @Override
            public int available() throws IOException {
                final long available = raf.length() - raf.getFilePointer();
                if (available > Integer.MAX_VALUE) {
                    return Integer.MAX_VALUE;
                }

                return (int) available;
            }

            @Override
            public void close() throws IOException {
                raf.close();
            }

            @Override
            public int read() throws IOException {
                return raf.readByte();
            }

            @Override
            public int read(final byte[] b) throws IOException {
                return raf.read(b);
            }

            @Override
            public int read(final byte[] b, final int off, final int len) throws IOException {
                return raf.read(b, off, len);
            }

            @Override
            public long skip(final long n) throws IOException {
                raf.seek(raf.getFilePointer() + n);
                return n;
            }
        };
    } catch (final MalformedURLException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", NfsFile, e);
    } catch (final UnknownHostException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", NfsFile, e);
    } catch (IOException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", NfsFile, e);
    }
}

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From source file:com.adito.networkplaces.vfs2.provider.smb.SmbFileRandomAccessContent.java

SmbFileRandomAccessContent(final SmbFile smbFile, final RandomAccessMode mode) throws FileSystemException {
    super(mode);// w w w.j a va  2s . c  om

    final StringBuilder modes = new StringBuilder(2);
    if (mode.requestRead()) {
        modes.append('r');
    }
    if (mode.requestWrite()) {
        modes.append('w');
    }

    try {
        raf = new SmbRandomAccessFile(smbFile, modes.toString());
        rafis = new InputStream() {
            @Override
            public int read() throws IOException {
                return raf.readByte();
            }

            @Override
            public long skip(long n) throws IOException {
                raf.seek(raf.getFilePointer() + n);
                return n;
            }

            @Override
            public void close() throws IOException {
                raf.close();
            }

            @Override
            public int read(byte b[]) throws IOException {
                return raf.read(b);
            }

            @Override
            public int read(byte b[], int off, int len) throws IOException {
                return raf.read(b, off, len);
            }

            @Override
            public int available() throws IOException {
                long available = raf.length() - raf.getFilePointer();
                if (available > Integer.MAX_VALUE) {
                    return Integer.MAX_VALUE;
                }

                return (int) available;
            }
        };
    } catch (MalformedURLException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", smbFile, e);
    } catch (SmbException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", smbFile, e);
    } catch (UnknownHostException e) {
        throw new FileSystemException("vfs.provider/random-access-open-failed.error", smbFile, e);
    }
}

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From source file:org.thelq.stackexchange.dbimport.sources.ArchiveDumpEntry.java

public InputStream getInput() {
    if (input != null)
        throw new RuntimeException("Already generated an InputStream");

    try {//ww w.j a v  a2  s  . c o m
        final SevenZFile file7 = new SevenZFile(file);
        //Advance archive until we find the correct ArchiveEntry
        SevenZArchiveEntry curEntry;
        while ((curEntry = file7.getNextEntry()) != null) {
            if (!curEntry.getName().equals(name))
                continue;
            //Found, return a wrapped InputStream
            return new InputStream() {
                @Override
                public int read() throws IOException {
                    return file7.read();
                }
            };
        }
    } catch (IOException ex) {
        throw new RuntimeException("Cannot open archive entry", ex);
    }
    //Didn't find anything
    throw new RuntimeException("Could not find file " + name + " in archive " + file.getAbsolutePath());
}

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From source file:org.apache.ant.compress.taskdefs.Un7z.java

protected void expandFile(FileUtils fileUtils, File srcF, File dir) {
    if (!srcF.exists()) {
        throw new BuildException("Unable to expand " + srcF + " as the file does not exist", getLocation());
    }/*from  w ww . j av a  2  s  .com*/
    log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO);
    FileNameMapper mapper = getMapper();
    SevenZFile outer = null;
    try {
        final SevenZFile zf = outer = new SevenZFile(srcF);
        boolean empty = true;
        SevenZArchiveEntry ze = zf.getNextEntry();
        while (ze != null) {
            empty = false;
            /* TODO implement canReadEntryData in CC
            if (getSkipUnreadableEntries() && !zf.canReadEntryData(ze)) {
            log(Messages.skippedIsUnreadable(ze));
            continue;
            }
            */
            log("extracting " + ze.getName(), Project.MSG_DEBUG);
            InputStream is = null;
            try {
                extractFile(fileUtils, srcF, dir, is = new InputStream() {
                    public int read() throws IOException {
                        return zf.read();
                    }

                    public int read(byte[] b) throws IOException {
                        return zf.read(b);
                    }
                }, ze.getName(), ze.getLastModifiedDate(), ze.isDirectory(), mapper);
            } finally {
                FileUtils.close(is);
            }
            ze = zf.getNextEntry();
        }
        if (empty && getFailOnEmptyArchive()) {
            throw new BuildException("archive '" + srcF + "' is empty");
        }
        log("expand complete", Project.MSG_VERBOSE);
    } catch (IOException ioe) {
        throw new BuildException("Error while expanding " + srcF.getPath() + "\n" + ioe.toString(), ioe);
    } finally {
        if (outer != null) {
            try {
                outer.close();
            } catch (IOException ex) {
                // swallow
            }
        }
    }
}

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