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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2215 b35dd754-fafc-0310-a699-88a17e54d16e
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Gaston Dombiak 2004-01-27 12:15:06 +00:00 committed by gdombiak
parent 70ec10065f
commit b1c2865ecd
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150
source/org/jivesoftware/smack/util/ObservableReader.java Normal file
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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack.util;
import java.io.*;
import java.util.*;
/**
* An ObservableReader is a wrapper on a Reader that notifies to its listeners when
* reading character streams.
*
* @author Gaston Dombiak
*/
public class ObservableReader extends Reader {
Reader wrappedReader = null;
List listeners = new ArrayList();
public ObservableReader(Reader wrappedReader) {
this.wrappedReader = wrappedReader;
}
public int read(char[] cbuf, int off, int len) throws IOException {
int count = wrappedReader.read(cbuf, off, len);
if (count > 0) {
String str = new String(cbuf, off, count);
// Notify that a new string has been read
ReaderListener[] readerListeners = null;
synchronized (listeners) {
readerListeners = new ReaderListener[listeners.size()];
listeners.toArray(readerListeners);
}
for (int i = 0; i < readerListeners.length; i++) {
readerListeners[i].read(str);
}
}
return count;
}
public void close() throws IOException {
wrappedReader.close();
}
public int read() throws IOException {
return wrappedReader.read();
}
public int read(char cbuf[]) throws IOException {
return wrappedReader.read(cbuf);
}
public long skip(long n) throws IOException {
return wrappedReader.skip(n);
}
public boolean ready() throws IOException {
return wrappedReader.ready();
}
public boolean markSupported() {
return wrappedReader.markSupported();
}
public void mark(int readAheadLimit) throws IOException {
wrappedReader.mark(readAheadLimit);
}
public void reset() throws IOException {
wrappedReader.reset();
}
/**
* Adds a reader listener to this reader that will be notified when
* new strings are read.
*
* @param readerListener a reader listener.
*/
public void addReaderListener(ReaderListener readerListener) {
if (readerListener == null) {
return;
}
synchronized (listeners) {
if (!listeners.contains(readerListener)) {
listeners.add(readerListener);
}
}
}
/**
* Removes a reader listener from this reader.
*
* @param readerListener a reader listener.
*/
public void removeReaderListener(ReaderListener readerListener) {
synchronized (listeners) {
listeners.remove(readerListener);
}
}
}

152
source/org/jivesoftware/smack/util/ObservableWriter.java Normal file
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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack.util;
import java.io.*;
import java.util.*;
/**
* An ObservableWriter is a wrapper on a Writer that notifies to its listeners when
* writing to character streams.
*
* @author Gaston Dombiak
*/
public class ObservableWriter extends Writer {
Writer wrappedWriter = null;
List listeners = new ArrayList();
public ObservableWriter(Writer wrappedWriter) {
this.wrappedWriter = wrappedWriter;
}
public void write(char cbuf[], int off, int len) throws IOException {
wrappedWriter.write(cbuf, off, len);
String str = new String(cbuf, off, len);
notifyListeners(str);
}
public void flush() throws IOException {
wrappedWriter.flush();
}
public void close() throws IOException {
wrappedWriter.close();
}
public void write(int c) throws IOException {
wrappedWriter.write(c);
}
public void write(char cbuf[]) throws IOException {
wrappedWriter.write(cbuf);
String str = new String(cbuf);
notifyListeners(str);
}
public void write(String str) throws IOException {
wrappedWriter.write(str);
notifyListeners(str);
}
public void write(String str, int off, int len) throws IOException {
wrappedWriter.write(str, off, len);
str = str.substring(off, off + len);
notifyListeners(str);
}
/**
* Notify that a new string has been written.
*
* @param str the written String to notify
*/
private void notifyListeners(String str) {
WriterListener[] writerListeners = null;
synchronized (listeners) {
writerListeners = new WriterListener[listeners.size()];
listeners.toArray(writerListeners);
}
for (int i = 0; i < writerListeners.length; i++) {
writerListeners[i].write(str);
}
}
/**
* Adds a writer listener to this writer that will be notified when
* new strings are sent.
*
* @param writerListener a writer listener.
*/
public void addWriterListener(WriterListener writerListener) {
if (writerListener == null) {
return;
}
synchronized (listeners) {
if (!listeners.contains(writerListener)) {
listeners.add(writerListener);
}
}
}
/**
* Removes a writer listener from this writer.
*
* @param writerListener a writer listener.
*/
public void removeWriterListener(WriterListener writerListener) {
synchronized (listeners) {
listeners.remove(writerListener);
}
}
}

73
source/org/jivesoftware/smack/util/ReaderListener.java Normal file
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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack.util;
/**
* Interface that allows for implementing classes to listen for string reading
* events. Listeners are registered with ObservableReader objects.
*
* @see ObservableReader#addReaderListener
* @see ObservableReader#removeReaderListener
*
* @author Gaston Dombiak
*/
public interface ReaderListener {
/**
* Notification that the Reader has read a new string.
*
* @param str the read String
*/
public abstract void read(String str);
}

73
source/org/jivesoftware/smack/util/WriterListener.java Normal file
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@ -0,0 +1,73 @@
/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smack.util;
/**
* Interface that allows for implementing classes to listen for string writing
* events. Listeners are registered with ObservableWriter objects.
*
* @see ObservableWriter#addWriterListener
* @see ObservableWriter#removeWriterListener
*
* @author Gaston Dombiak
*/
public interface WriterListener {
/**
* Notification that the Writer has written a new string.
*
* @param str the written string
*/
public abstract void write(String str);
}