DataSourceStreamingDataHandler.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package com.sun.xml.internal.ws.encoding;

import javax.activation.DataSource;
import java.io.*;

import com.sun.xml.internal.ws.developer.StreamingDataHandler;

/**
 * @author Jitendra Kotamraju
 */
public class DataSourceStreamingDataHandler extends StreamingDataHandler {

    public DataSourceStreamingDataHandler(DataSource ds) {
        super(ds);
    }

    @Override
    public InputStream readOnce() throws IOException {
        return getInputStream();
    }

    @Override
    public void moveTo(File file) throws IOException {
        InputStream in = getInputStream();
        OutputStream os = new FileOutputStream(file);
        try {
            byte[] temp = new byte[8192];
            int len;
            while((len=in.read(temp)) != -1) {
                os.write(temp, 0, len);
            }
            in.close();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

    @Override
    public void close() throws IOException {
        // nothing to do here
    }

}