Example usage for java.io FilterInputStream FilterInputStream

Introduction

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

Prototype

protected FilterInputStream(InputStream in) 

Source Link

Document

Creates a FilterInputStream by assigning the argument in to the field this.in so as to remember it for later use.

Usage

From source file:com.github.davidcarboni.encryptedfileupload.StreamingTest.java

/**
 * Tests, whether an IOException is properly delegated.
 *//*from w  w  w.  ja v a2s  .  c  om*/
public void testIOException() throws IOException {
    byte[] request = newRequest();
    InputStream stream = new FilterInputStream(new ByteArrayInputStream(request)) {
        private int num;

        @Override
        public int read() throws IOException {
            if (++num > 123) {
                throw new IOException("123");
            }
            return super.read();
        }

        @Override
        public int read(byte[] pB, int pOff, int pLen) throws IOException {
            for (int i = 0; i < pLen; i++) {
                int res = read();
                if (res == -1) {
                    return i == 0 ? -1 : i;
                }
                pB[pOff + i] = (byte) res;
            }
            return pLen;
        }
    };
    try {
        parseUpload(stream, request.length);
        fail("Expected IOException");
    } catch (FileUploadException e) {
        assertTrue(e.getCause() instanceof IOException);
        assertEquals("123", e.getCause().getMessage());
    }
}

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From source file:com.datos.vfs.provider.http.HttpRandomAccessContent.java

@Override
protected DataInputStream getDataInputStream() throws IOException {
    if (dis != null) {
        return dis;
    }//from   w w w  .  j a  va2  s. c  om

    final GetMethod getMethod = new GetMethod();
    fileObject.setupMethod(getMethod);
    getMethod.setRequestHeader("Range", "bytes=" + filePointer + "-");
    final int status = fileSystem.getClient().executeMethod(getMethod);
    if (status != HttpURLConnection.HTTP_PARTIAL && status != HttpURLConnection.HTTP_OK) {
        throw new FileSystemException("vfs.provider.http/get-range.error", fileObject.getName(),
                Long.valueOf(filePointer), Integer.valueOf(status));
    }

    mis = new HttpFileObject.HttpInputStream(getMethod);
    // If the range request was ignored
    if (status == HttpURLConnection.HTTP_OK) {
        final long skipped = mis.skip(filePointer);
        if (skipped != filePointer) {
            throw new FileSystemException("vfs.provider.http/get-range.error", fileObject.getName(),
                    Long.valueOf(filePointer), Integer.valueOf(status));
        }
    }
    dis = new DataInputStream(new FilterInputStream(mis) {
        @Override
        public int read() throws IOException {
            final int ret = super.read();
            if (ret > -1) {
                filePointer++;
            }
            return ret;
        }

        @Override
        public int read(final byte[] b) throws IOException {
            final int ret = super.read(b);
            if (ret > -1) {
                filePointer += ret;
            }
            return ret;
        }

        @Override
        public int read(final byte[] b, final int off, final int len) throws IOException {
            final int ret = super.read(b, off, len);
            if (ret > -1) {
                filePointer += ret;
            }
            return ret;
        }
    });

    return dis;
}

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From source file:davmail.exchange.dav.ExchangeDavMethod.java

@Override
protected void processResponseBody(HttpState httpState, HttpConnection httpConnection) {
    Header contentTypeHeader = getResponseHeader("Content-Type");
    if (contentTypeHeader != null && "text/xml".equals(contentTypeHeader.getValue())) {
        responses = new ArrayList<MultiStatusResponse>();
        XMLStreamReader reader;/*from   w w w . j av  a2  s  .  c  o m*/
        try {
            reader = XMLStreamUtil.createXMLStreamReader(new FilterInputStream(getResponseBodyAsStream()) {
                final byte[] lastbytes = new byte[3];

                @Override
                public int read(byte[] bytes, int off, int len) throws IOException {
                    int count = in.read(bytes, off, len);
                    // patch invalid element name
                    for (int i = 0; i < count; i++) {
                        byte currentByte = bytes[off + i];
                        if ((lastbytes[0] == '<') && (currentByte >= '0' && currentByte <= '9')) {
                            // move invalid first tag char to valid range
                            bytes[off + i] = (byte) (currentByte + 49);
                        }
                        lastbytes[0] = lastbytes[1];
                        lastbytes[1] = lastbytes[2];
                        lastbytes[2] = currentByte;
                    }
                    return count;
                }

            });
            while (reader.hasNext()) {
                reader.next();
                if (XMLStreamUtil.isStartTag(reader, "response")) {
                    handleResponse(reader);
                }
            }

        } catch (IOException e) {
            LOGGER.error("Error while parsing soap response: " + e, e);
        } catch (XMLStreamException e) {
            LOGGER.error("Error while parsing soap response: " + e, e);
        }
    }
}

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From source file:org.callimachusproject.io.CarInputStream.java

private ZipArchiveEntry next() throws IOException {
    if (Thread.interrupted())
        throw new InterruptedIOException();
    entry = zipStream.getNextZipEntry();
    if (entry == null) {
        entryStream = null;//w ww.  j a v a  2 s  . co  m
        entryMetaType = null;
        return null;
    }
    final ZipArchiveEntry openEntry = entry;
    entryStream = new LatencyInputStream(new FilterInputStream(zipStream) {
        public void close() throws IOException {
            if (openEntry == entry) {
                entry = null;
                entryStream = null;
                entryMetaType = null;
            }
        }
    }, RDFS_PEEK_SIZE);
    entryType = readEntryType(entry, entryStream);
    entryMetaType = MetaTypeExtraField.parseExtraField(entry);
    if (entryMetaType == null) {
        if (entry.isDirectory()) {
            entryMetaType = MetaTypeExtraField.FOLDER;
        } else if (FILE_NAME.matcher(entry.getName()).find()) {
            entryMetaType = MetaTypeExtraField.FILE;
        } else if (scanForClass(entryStream, entryType)) {
            entryMetaType = MetaTypeExtraField.RDFS;
        } else {
            entryMetaType = MetaTypeExtraField.RDF;
        }
    }
    return entry;
}

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From source file:org.apache.ant.compress.resources.ZipResource.java

/**
 * Return an InputStream for reading the contents of this Resource.
 * @return an InputStream object./*  w  w  w  . j a  v a2 s  . c  om*/
 * @throws IOException if the zip file cannot be opened,
 *         or the entry cannot be read.
 */
public InputStream getInputStream() throws IOException {
    if (isReference()) {
        return ((Resource) getCheckedRef()).getInputStream();
    }
    File f = getZipfile();
    if (f == null) {
        return super.getInputStream();
    }

    final ZipFile z = new ZipFile(f, getEncoding());
    ZipArchiveEntry ze = z.getEntry(getName());
    if (ze == null) {
        z.close();
        throw new BuildException("no entry " + getName() + " in " + getArchive());
    }
    return new FilterInputStream(z.getInputStream(ze)) {
        public void close() throws IOException {
            FileUtils.close(in);
            z.close();
        }

        protected void finalize() throws Throwable {
            try {
                close();
            } finally {
                super.finalize();
            }
        }
    };
}

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From source file:org.apache.nutch.parse.oo.OOParser.java

private String parseContent(ZipEntry ze, ZipInputStream zis, ArrayList outlinks) throws Exception {
    StringBuffer res = new StringBuffer();
    FilterInputStream fis = new FilterInputStream(zis) {
        public void close() {
        };//from  ww  w. ja v a  2  s.  c  om
    };
    SAXBuilder builder = new SAXBuilder();
    Document doc = builder.build(fis);
    Element root = doc.getRootElement();
    // XXX this is expensive for very large documents. In those cases another
    // XXX method (direct processing of SAX events, or XMLPull) should be used.
    XPath path = new JDOMXPath("//text:span | //text:p | //text:tab | //text:tab-stop | //text:a");
    path.addNamespace("text", root.getNamespace("text").getURI());
    Namespace xlink = Namespace.getNamespace("xlink", "http://www.w3.org/1999/xlink");
    List list = path.selectNodes(doc);
    boolean lastp = true;
    for (int i = 0; i < list.size(); i++) {
        Element el = (Element) list.get(i);
        String text = el.getText();
        if (el.getName().equals("p")) {
            // skip empty paragraphs
            if (!text.equals("")) {
                if (!lastp)
                    res.append("\n");
                res.append(text + "\n");
                lastp = true;
            }
        } else if (el.getName().startsWith("tab")) {
            res.append("\t");
            lastp = false;
        } else if (el.getName().equals("a")) {
            List nl = el.getChildren();
            String a = null;
            for (int k = 0; k < nl.size(); k++) {
                Element anchor = (Element) nl.get(k);
                String nsName = anchor.getNamespacePrefix() + ":" + anchor.getName();
                if (!nsName.equals("text:span"))
                    continue;
                a = anchor.getText();
                break;
            }
            String u = el.getAttributeValue("href", xlink);
            if (u == null)
                u = a; // often anchors are URLs
            try {
                Outlink o = new Outlink(u, a);
                outlinks.add(o);
            } catch (MalformedURLException mue) {
                // skip
            }
            if (a != null && !a.equals("")) {
                if (!lastp)
                    res.append(' ');
                res.append(a);
                lastp = false;
            }
        } else {
            if (!text.equals("")) {
                if (!lastp)
                    res.append(' ');
                res.append(text);
            }
            lastp = false;
        }
    }
    return res.toString();
}

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From source file:org.apache.felix.webconsole.internal.misc.LicenseServlet.java

private void findResource(JSONWriter jsonWriter, Bundle bundle, String[] patterns)
        throws IOException, JSONException {
    jsonWriter.key("Bundle Resources"); // aka the bundle files
    jsonWriter.array();/*from  w  w  w.  java  2s  .co m*/
    for (int i = 0; i < patterns.length; i++) {
        Enumeration getEntries = bundle.findEntries("/", patterns[i] + "*", true);
        if (getEntries != null) {
            while (getEntries.hasMoreElements()) {
                URL nextURL = (URL) getEntries.nextElement();
                jsonWriter.object();
                jsonWriter.key("url");
                jsonWriter.value(getName(nextURL.getPath()));
                jsonWriter.key("data");
                jsonWriter.value(readResourceFromURL(nextURL));
                jsonWriter.endObject();
            }
        }
    }
    jsonWriter.endArray();

    Enumeration jarEntries = bundle.findEntries("/", "*.jar", true);
    if (jarEntries != null) {
        while (jarEntries.hasMoreElements()) {
            URL nextURL = (URL) jarEntries.nextElement();

            jsonWriter.key("Embedded " + getName(nextURL.getPath()));
            jsonWriter.array();

            for (int i = 0; i < patterns.length; i++) {
                String patternStuff = ".*/" + patterns[i] + "[^/]*$";

                InputStream tmpInput = null;
                try {
                    tmpInput = nextURL.openStream();
                    ZipInputStream zipInput = new ZipInputStream(tmpInput);
                    ZipEntry zipEntry = zipInput.getNextEntry();
                    while (zipEntry != null) {
                        String name = zipEntry.getName();
                        if (!name.endsWith("/") && "/".concat(name).matches(patternStuff)) {
                            jsonWriter.object();
                            jsonWriter.key("url");
                            jsonWriter.value(getName(name));
                            jsonWriter.key("data");
                            jsonWriter.value(readResourceFromStream(new FilterInputStream(zipInput) {
                                public void close() {
                                }
                            }));
                            jsonWriter.endObject();
                        }

                        zipEntry = zipInput.getNextEntry();
                    }
                } finally {
                    if (tmpInput != null) {
                        try {
                            tmpInput.close();
                        } catch (IOException ignore) {
                        }
                    }
                }
            }

            jsonWriter.endArray();
        }
    }
}

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From source file:com.adaptris.core.common.PayloadStreamOutputParameterTest.java

@Test(expected = CoreException.class)
public void testInsert_BrokenInput() throws Exception {
    PayloadStreamOutputParameter p = new PayloadStreamOutputParameter();
    p.setContentEncoding(UTF_8);/* w w  w  .  j  a v a  2 s.com*/
    AdaptrisMessage msg = AdaptrisMessageFactory.getDefaultInstance().newMessage();
    FilterInputStream in = new FilterInputStream(new ByteArrayInputStream(new byte[0])) {
        @Override
        public int read() throws IOException {
            throw new IOException("Failed to read");
        }

        @Override
        public int read(byte[] b) throws IOException {
            throw new IOException("Failed to read");
        }

        @Override
        public int read(byte[] b, int off, int len) throws IOException {
            throw new IOException("Failed to read");
        }
    };
    p.insert(new InputStreamWithEncoding(in, UTF_8), msg);
}

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From source file:com.adaptris.core.common.PayloadStreamOutputParameterTest.java

@Test(expected = CoreException.class)
public void testInsert_Broken_BinaryInput() throws Exception {
    PayloadStreamOutputParameter p = new PayloadStreamOutputParameter();
    AdaptrisMessage msg = AdaptrisMessageFactory.getDefaultInstance().newMessage();
    FilterInputStream in = new FilterInputStream(new ByteArrayInputStream(new byte[0])) {
        @Override/*from   ww w  .j av  a 2  s . c o m*/
        public int read() throws IOException {
            throw new IOException("Failed to read");
        }

        @Override
        public int read(byte[] b) throws IOException {
            throw new IOException("Failed to read");
        }

        @Override
        public int read(byte[] b, int off, int len) throws IOException {
            throw new IOException("Failed to read");
        }
    };
    p.insert(new InputStreamWithEncoding(in, null), msg);
}

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