podd.util.stream.StreamUtility.java Source code

Introduction

Here is the source code for podd.util.stream.StreamUtility.java

Source

/*
 * Copyright (c) 2009 - 2010. School of Information Technology and Electrical
 * Engineering, The University of Queensland.  This software is being developed
 * for the "Phenomics Ontoogy Driven Data Management Project (PODD)" project.
 * PODD is a National e-Research Architecture Taskforce (NeAT) project
 * co-funded by ANDS and ARCS.
 *
 * PODD is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PODD is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PODD.  If not, see <http://www.gnu.org/licenses/>.
 */

package podd.util.stream;

import org.apache.commons.io.IOUtils;

import java.io.Closeable;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import static fedora.server.utilities.StreamUtility.pipeStream;

/**
 * @author Yuan-Fang Li
 * @version $Id$
 */

public class StreamUtility {
    private static final int BUFFER_LENGTH = 4096;

    public static File createTempFile(InputStream stream) throws IOException {
        File tempFile = File.createTempFile("podd-fedora-stream-", Long.toString(System.currentTimeMillis()));
        try {
            pipeStream(stream, new FileOutputStream(tempFile), BUFFER_LENGTH);
            return tempFile;
        } finally {
            tempFile.deleteOnExit();
        }
    }

    public static void closeStream(Closeable closable) throws IOException {
        if (null != closable) {
            closable.close();
        }
    }

    public static String getReaderContent(InputStreamReader reader) throws IOException {
        final String result;
        try {
            result = IOUtils.toString(reader);
        } finally {
            IOUtils.closeQuietly(reader);
        }
        return result;
    }

    public static String getStreamContent(InputStream stream) throws IOException {
        final String result;
        try {
            result = IOUtils.toString(stream);
        } finally {
            IOUtils.closeQuietly(stream);
        }
        return result;
    }
}