Example usage for org.apache.commons.vfs RandomAccessContent getInputStream

List of usage examples for org.apache.commons.vfs RandomAccessContent getInputStream

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Introduction

In this page you can find the example usage for org.apache.commons.vfs RandomAccessContent getInputStream.

Prototype

public InputStream getInputStream() throws IOException;

Source Link

Document

get the input stream
Notice: If you use #seek(long) you have to reget the InputStream

Usage

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessInputStreamOpenSeekAutocloseReadGetPos() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    InputStream is = rac.getInputStream();
    try {//from   w  ww  .  ja v  a2s .c  o  m
        rac.seek(TEST_FILE_A_CHARS_NUMBER);
        // reget input stream
        is = rac.getInputStream();
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_B_CHARS_NUMBER; i++) {
            assertTrue('b' == is.read());
        }
        assertEquals(TEST_FILE_A_CHARS_NUMBER + TEST_FILE_B_CHARS_NUMBER, rac.getFilePointer());
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessInputStreamOpenAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    final BufferedReader reader = getBufferedReader(rac.getInputStream());
    try {/*from w w  w  . j  a v a2s  .c  o  m*/
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == reader.read());
        }
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testRandomReadOnlyAccessInputStreamOpenReadAutocloseRead() throws Exception {
    final FileObject fo = openFileObject(TEST_FILENAME);
    final RandomAccessContent rac = openRandomAccessContent(fo, RandomAccessMode.READ);
    final BufferedReader reader = getBufferedReader(rac.getInputStream());
    try {/*from w ww  .  jav  a2  s.  co  m*/
        for (int i = 0; i < TEST_FILE_A_CHARS_NUMBER; i++) {
            assertTrue('a' == reader.read());
        }
        Thread.sleep(SLEEP_TIME);
        for (int i = 0; i < TEST_FILE_B_CHARS_NUMBER; i++) {
            assertTrue('b' == reader.read());
        }
    } finally {
        rac.close();
    }
    fo.close();
}

From source file:com.adito.vfs.webdav.methods.GET.java

/**
 * <p>/*from  w w  w  .  j  a v  a2s.  c o  m*/
 * Process the <code>GET</code> method.
 * </p>
 */
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {

    String handle = VFSLockManager.getNewHandle();
    VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), false, true, handle);

    try {
        doHead(transaction, resource);

        try {
            if (resource.isCollection() || resource.isMount()) {

                if (SystemProperties.get("adito.disableFolderBrowsing", "true").equals("true")
                        && !resource.isBrowsable()) {
                    transaction.getResponse().sendError(404);
                    return;
                }

                String mime = COLLECTION_MIME_TYPE + "; charset=\"utf-8\"";
                transaction.setContentType(mime);

                Util.noCache(transaction.getResponse());

                PrintWriter out = transaction.write("utf-8");
                String path = resource.getFullPath();
                out.println("<html>");
                out.println("<head>");
                out.println("<title>Collection: " + path + "</title>");
                out.println("</head>");
                out.println("<body>");
                out.println("<h2>Collection: " + path + "</h2>");
                out.println("<table>");
                out.println("<thead>");
                out.println("<tr>");
                out.println("<td>Name</td>");
                out.println("<td>Type</td>");
                out.println("<td>Size</td>");
                out.println("<td>Date</td>");
                out.println("</tr>");
                out.println("</thead>");
                out.println("<tbody>");

                /* Process the parent */
                VFSResource parent = resource.getParent();
                if (parent != null && (parent.isBrowsable()
                        || !SystemProperties.get("adito.disableFolderBrowsing", "true").equals("true"))) {
                    out.println("<tr>");
                    out.print("<td><li><a href=\"..\">../</a></td>");
                    out.println("<td>Dir</td><td>");
                    try {
                        out.println(parent.getFile().getContent().getSize());
                    } catch (Exception e) {
                    }
                    out.println("</td><td>");
                    try {
                        out.println(SimpleDateFormat.getDateTimeInstance()
                                .format(new Date(parent.getFile().getContent().getLastModifiedTime())));
                    } catch (Exception e) {
                    }
                    out.println("</td></tr>");
                }

                /* Process the children */
                Iterator iterator = resource.getChildren();
                if (iterator != null) {
                    while (iterator.hasNext()) {
                        VFSResource child = (VFSResource) iterator.next();
                        String childPath = child.getDisplayName();

                        out.println("<tr>");
                        out.print("<td><li><a href=\"" + child.getWebFolderPath() + "\">" + childPath
                                + "</a></td>");
                        if (child.isCollection())
                            out.println("<td>Dir</td><td>");
                        else if (child.isResource())
                            out.println("<td>Resource</td><td>");
                        else
                            out.println("<td>Unknown</td><td>");
                        try {
                            out.println(child.getFile().getContent().getSize());
                        } catch (Exception e) {
                        }
                        out.println("</td><td>");
                        try {
                            out.println(SimpleDateFormat.getDateTimeInstance()
                                    .format(new Date(child.getFile().getContent().getLastModifiedTime())));
                        } catch (Exception e) {
                        }
                        out.println("</td></tr>");
                        out.println("</tr>");
                    }
                }
                out.println("</tbody>");
                out.println("</table>");
                out.println("</html>");
                out.flush();
                if (resource.getMount() != null) {
                    resource.getMount().resourceAccessList(resource, transaction, null);
                }
                return;
            }
        } catch (Exception e) {
            if (resource.getMount() != null) {
                resource.getMount().resourceAccessList(resource, transaction, e);
            }
            IOException ioe = new IOException(e.getMessage());
            ioe.initCause(e);
            throw ioe;
        }

        int total = 0;
        try {

            Range[] ranges = null;

            try {
                ranges = processRangeHeader(transaction, resource);
            } catch (IOException ex) {
                // Invalid range means send full entity with 200 OK.
                ranges = null;
            }

            transaction.setHeader("Content-Type", resource.getContentType());

            resource.getMount().resourceAccessDownloading(resource, transaction);

            OutputStream out = transaction.getOutputStream();
            byte buffer[] = new byte[32768];

            InputStream in = null;

            try {

                if (ranges == null || ranges.length > 1 /* We dont support multiple ranges yet */) {
                    /* Processing a normal resource request */
                    in = resource.getInputStream();
                    int k;
                    while ((k = in.read(buffer)) != -1) {
                        out.write(buffer, 0, k);
                        total += k;
                    }
                } else {
                    /* Process a single range */

                    RandomAccessContent content = resource.getFile().getContent()
                            .getRandomAccessContent(RandomAccessMode.READ);

                    content.seek(ranges[0].startPosition);
                    in = content.getInputStream();

                    long count = ranges[0].count;
                    int k;
                    while (count > 0) {
                        while ((k = in.read(buffer, 0,
                                (int) (count < buffer.length ? count : buffer.length))) > 0) {
                            out.write(buffer, 0, k);
                            total += k;
                            count -= k;
                        }
                    }

                    transaction.setHeader("Content-Range",
                            "bytes " + ranges[0].startPosition + "-" + ranges[0].startPosition + ranges[0].count
                                    + "/" + resource.getFile().getContent().getSize());

                    transaction.setStatus(206 /* Partial */);

                }
            } finally {
                Util.closeStream(in);
            }
            resource.getMount().resourceAccessDownloadComplete(resource, transaction, null);
        } catch (IOException ioe) {
            resource.getMount().resourceAccessDownloadComplete(resource, transaction, ioe);
            throw ioe;
        }
    } finally {
        VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
    }

}

From source file:com.sslexplorer.vfs.webdav.methods.GET.java

/**
 * <p>/*from w  ww. j  a v a 2  s .  c o  m*/
 * Process the <code>GET</code> method.
 * </p>
 */
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {

    String handle = VFSLockManager.getNewHandle();
    VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), false, true, handle);

    try {
        doHead(transaction, resource);

        try {
            if (resource.isCollection() || resource.isMount()) {

                if (SystemProperties.get("sslexplorer.disableFolderBrowsing", "true").equals("true")
                        && !resource.isBrowsable()) {
                    transaction.getResponse().sendError(404);
                    return;
                }

                String mime = COLLECTION_MIME_TYPE + "; charset=\"utf-8\"";
                transaction.setContentType(mime);

                Util.noCache(transaction.getResponse());

                PrintWriter out = transaction.write("utf-8");
                String path = resource.getFullPath();
                out.println("<html>");
                out.println("<head>");
                out.println("<title>Collection: " + path + "</title>");
                out.println("</head>");
                out.println("<body>");
                out.println("<h2>Collection: " + path + "</h2>");
                out.println("<table>");
                out.println("<thead>");
                out.println("<tr>");
                out.println("<td>Name</td>");
                out.println("<td>Type</td>");
                out.println("<td>Size</td>");
                out.println("<td>Date</td>");
                out.println("</tr>");
                out.println("</thead>");
                out.println("<tbody>");

                /* Process the parent */
                VFSResource parent = resource.getParent();
                if (parent != null && (parent.isBrowsable()
                        || !SystemProperties.get("sslexplorer.disableFolderBrowsing", "true").equals("true"))) {
                    out.println("<tr>");
                    out.print("<td><li><a href=\"..\">../</a></td>");
                    out.println("<td>Dir</td><td>");
                    try {
                        out.println(parent.getFile().getContent().getSize());
                    } catch (Exception e) {
                    }
                    out.println("</td><td>");
                    try {
                        out.println(SimpleDateFormat.getDateTimeInstance()
                                .format(new Date(parent.getFile().getContent().getLastModifiedTime())));
                    } catch (Exception e) {
                    }
                    out.println("</td></tr>");
                }

                /* Process the children */
                Iterator iterator = resource.getChildren();
                if (iterator != null) {
                    while (iterator.hasNext()) {
                        VFSResource child = (VFSResource) iterator.next();
                        String childPath = child.getDisplayName();

                        out.println("<tr>");
                        out.print("<td><li><a href=\"" + child.getWebFolderPath() + "\">" + childPath
                                + "</a></td>");
                        if (child.isCollection())
                            out.println("<td>Dir</td><td>");
                        else if (child.isResource())
                            out.println("<td>Resource</td><td>");
                        else
                            out.println("<td>Unknown</td><td>");
                        try {
                            out.println(child.getFile().getContent().getSize());
                        } catch (Exception e) {
                        }
                        out.println("</td><td>");
                        try {
                            out.println(SimpleDateFormat.getDateTimeInstance()
                                    .format(new Date(child.getFile().getContent().getLastModifiedTime())));
                        } catch (Exception e) {
                        }
                        out.println("</td></tr>");
                        out.println("</tr>");
                    }
                }
                out.println("</tbody>");
                out.println("</table>");
                out.println("</html>");
                out.flush();
                if (resource.getMount() != null) {
                    resource.getMount().resourceAccessList(resource, transaction, null);
                }
                return;
            }
        } catch (Exception e) {
            if (resource.getMount() != null) {
                resource.getMount().resourceAccessList(resource, transaction, e);
            }
            IOException ioe = new IOException(e.getMessage());
            ioe.initCause(e);
            throw ioe;
        }

        int total = 0;
        try {

            Range[] ranges = null;

            try {
                ranges = processRangeHeader(transaction, resource);
            } catch (IOException ex) {
                // Invalid range means send full entity with 200 OK.
                ranges = null;
            }

            transaction.setHeader("Content-Type", resource.getContentType());

            resource.getMount().resourceAccessDownloading(resource, transaction);

            OutputStream out = transaction.getOutputStream();
            byte buffer[] = new byte[32768];

            InputStream in = null;

            try {

                if (ranges == null || ranges.length > 1 /* We dont support multiple ranges yet */) {
                    /* Processing a normal resource request */
                    in = resource.getInputStream();
                    int k;
                    while ((k = in.read(buffer)) != -1) {
                        out.write(buffer, 0, k);
                        total += k;
                    }
                } else {
                    /* Process a single range */

                    RandomAccessContent content = resource.getFile().getContent()
                            .getRandomAccessContent(RandomAccessMode.READ);

                    content.seek(ranges[0].startPosition);
                    in = content.getInputStream();

                    long count = ranges[0].count;
                    int k;
                    while (count > 0) {
                        while ((k = in.read(buffer, 0,
                                (int) (count < buffer.length ? count : buffer.length))) > 0) {
                            out.write(buffer, 0, k);
                            total += k;
                            count -= k;
                        }
                    }

                    transaction.setHeader("Content-Range",
                            "bytes " + ranges[0].startPosition + "-" + ranges[0].startPosition + ranges[0].count
                                    + "/" + resource.getFile().getContent().getSize());

                    transaction.setStatus(206 /* Partial */);

                }
            } finally {
                Util.closeStream(in);
            }
            resource.getMount().resourceAccessDownloadComplete(resource, transaction, null);
        } catch (IOException ioe) {
            resource.getMount().resourceAccessDownloadComplete(resource, transaction, ioe);
            throw ioe;
        }
    } finally {
        VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
    }

}