Example usage for java.io FileInputStream mark

Introduction

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

Prototype

public synchronized void mark(int readlimit) 

Source Link

Document

Marks the current position in this input stream.

Usage

From source file:jp.aegif.alfresco.online_webdav.WebDAVMethod.java

/**
 * Set the request/response details/*from   ww  w.ja  v  a 2  s .  c om*/
 * 
 * @param req
 *            HttpServletRequest
 * @param resp
 *            HttpServletResponse
 * @param registry
 *            ServiceRegistry
 * @param rootNode
 *            NodeRef
 */
public void setDetails(final HttpServletRequest req, HttpServletResponse resp, WebDAVHelper davHelper,
        NodeRef rootNode) {
    // Wrap the request so that it is 'retryable'. Calls to getInputStream() and getReader() will result in the
    // request body being read into an intermediate file.
    this.m_request = new HttpServletRequestWrapper(req) {

        @Override
        public ServletInputStream getInputStream() throws IOException {
            if (WebDAVMethod.this.m_reader != null) {
                throw new IllegalStateException("Reader in use");
            }
            if (WebDAVMethod.this.m_inputStream == null) {
                final FileInputStream in = new FileInputStream(getRequestBodyAsFile(req));
                WebDAVMethod.this.m_inputStream = new ServletInputStream() {

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

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

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

                    @Override
                    public long skip(long n) throws IOException {
                        return in.skip(n);
                    }

                    @Override
                    public int available() throws IOException {
                        return in.available();
                    }

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

                    @Override
                    public void mark(int readlimit) {
                        in.mark(readlimit);
                    }

                    @Override
                    public void reset() throws IOException {
                        in.reset();
                    }

                    @Override
                    public boolean markSupported() {
                        return in.markSupported();
                    }
                };
            }

            return WebDAVMethod.this.m_inputStream;
        }

        @Override
        public BufferedReader getReader() throws IOException {
            if (WebDAVMethod.this.m_inputStream != null) {
                throw new IllegalStateException("Input Stream in use");
            }
            if (WebDAVMethod.this.m_reader == null) {
                String encoding = req.getCharacterEncoding();
                WebDAVMethod.this.m_reader = new BufferedReader(
                        new InputStreamReader(new FileInputStream(getRequestBodyAsFile(req)),
                                encoding == null ? "ISO-8859-1" : encoding));
            }

            return WebDAVMethod.this.m_reader;
        }

    };
    this.m_response = resp;
    this.m_davHelper = davHelper;
    this.m_rootNodeRef = rootNode;

    this.m_strPath = m_davHelper.getRepositoryPath(m_request);
}

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From source file:org.xwiki.wikistream.test.internal.ZIPFileAssertComparator.java

public static boolean isZip(File file) throws IOException {
    final byte[] signature = new byte[12];

    FileInputStream stream = new FileInputStream(file);
    stream.mark(signature.length);
    int signatureLength = stream.read(signature);
    stream.close();/* www  .  java2  s. c o m*/

    return ZipArchiveInputStream.matches(signature, signatureLength);
}

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