org.cryptomator.frontend.webdav.filters.RecordingServletInputStream.java Source code

Introduction

Here is the source code for org.cryptomator.frontend.webdav.filters.RecordingServletInputStream.java

Source

/*******************************************************************************
 * Copyright (c) 2016 Sebastian Stenzel and others.
 * This file is licensed under the terms of the MIT license.
 * See the LICENSE.txt file for more info.
 *
 * Contributors:
 *     Sebastian Stenzel - initial API and implementation
 *******************************************************************************/
package org.cryptomator.frontend.webdav.filters;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.servlet.ReadListener;
import javax.servlet.ServletInputStream;

import org.apache.commons.io.input.TeeInputStream;

class RecordingServletInputStream extends ServletInputStream {

    private final ServletInputStream delegate;
    private final TeeInputStream teeInputStream;
    private final ByteArrayOutputStream recording = new ByteArrayOutputStream(4096);

    public RecordingServletInputStream(ServletInputStream delegate) {
        this.delegate = delegate;
        this.teeInputStream = new TeeInputStream(delegate, recording);
    }

    public int read() throws IOException {
        return teeInputStream.read();
    }

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

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

    public boolean isFinished() {
        return delegate.isFinished();
    }

    public boolean isReady() {
        return delegate.isReady();
    }

    public void setReadListener(ReadListener readListener) {
        delegate.setReadListener(readListener);
    }

    public long skip(long n) throws IOException {
        return teeInputStream.skip(n);
    }

    public int available() throws IOException {
        return teeInputStream.available();
    }

    public void close() throws IOException {
        teeInputStream.close();
    }

    public byte[] getRecording() {
        return recording.toByteArray();
    }

    public void mark(int readlimit) {
    }

    public void reset() throws IOException {
        throw new IOException("Mark not supported");
    }

    public boolean markSupported() {
        return false;
    }

}