118 lines
3.6 KiB
Java
118 lines
3.6 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.jingle_filetransfer.component;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smackx.bytestreams.BytestreamSession;
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import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionInfoElement;
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import org.jivesoftware.smackx.jingle.element.JingleElement;
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import org.jivesoftware.smackx.jingle.element.JingleReasonElement;
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import org.jivesoftware.smackx.jingle_filetransfer.controller.OutgoingFileOfferController;
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/**
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* Backend logic of an outgoing file offer (We offer a file).
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*/
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public class JingleOutgoingFileOffer extends AbstractJingleFileOffer implements OutgoingFileOfferController {
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private static final Logger LOGGER = Logger.getLogger(JingleOutgoingFileOffer.class.getName());
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private final InputStream source;
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public JingleOutgoingFileOffer(File file, JingleFile metadata) throws FileNotFoundException {
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super(metadata);
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this.source = new FileInputStream(file);
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this.state = State.pending;
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}
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public JingleOutgoingFileOffer(InputStream inputStream, JingleFile metadata) {
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super(metadata);
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this.source = inputStream;
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this.state = State.pending;
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}
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@Override
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public JingleElement handleDescriptionInfo(JingleContentDescriptionInfoElement info) {
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return null;
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}
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@Override
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public void onBytestreamReady(BytestreamSession bytestreamSession) {
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if (source == null) {
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throw new IllegalStateException("Source InputStream is null!");
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}
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state = State.active;
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notifyProgressListenersStarted();
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OutputStream outputStream = null;
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try {
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outputStream = bytestreamSession.getOutputStream();
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byte[] buf = new byte[8192];
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int written = 0;
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while (true) {
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if (getState() == State.cancelled) {
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break;
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}
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int r = source.read(buf);
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if (r < 0) {
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break;
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}
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outputStream.write(buf, 0, r);
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written += r;
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percentage = ((float) getMetadata().getSize()) / ((float) written);
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}
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outputStream.flush();
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outputStream.close();
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} catch (IOException e) {
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LOGGER.log(Level.SEVERE, "Exception while sending file.", e);
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} finally {
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state = State.ended;
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try {
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source.close();
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} catch (IOException e) {
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LOGGER.log(Level.SEVERE, "Could not close FileInputStream.", e);
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}
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}
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notifyProgressListenersTerminated(JingleReasonElement.Reason.success);
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}
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@Override
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public boolean isOffer() {
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return true;
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}
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@Override
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public boolean isRequest() {
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return false;
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}
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}
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