Author: fhanik Date: Thu Jul 5 13:50:13 2007 New Revision: 553628 URL: http://svn.apache.org/viewvc?view=rev&rev=553628 Log: Added license headers Implemented a streaming parser for JSON reading, so that we can read data directly from the reader without having to parse it twice
Added: tomcat/sandbox/bayeux/java/org/apache/comet/json/ tomcat/sandbox/bayeux/java/org/apache/comet/json/ReaderCharIterator.java Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxChannel.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxClient.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxFilter.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxListener.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxPolicy.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxServlet.java tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/TomcatBayeux.java Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxChannel.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxChannel.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxChannel.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxChannel.java Thu Jul 5 13:50:13 2007 @@ -1,8 +1,27 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import dojox.cometd.Channel; import dojox.cometd.Client; - +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxChannel implements Channel { public BayeuxChannel() { } Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxClient.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxClient.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxClient.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxClient.java Thu Jul 5 13:50:13 2007 @@ -1,3 +1,19 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import java.util.Map; @@ -5,6 +21,10 @@ import dojox.cometd.Client; import dojox.cometd.Listener; +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxClient implements Client { public BayeuxClient() { Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxFilter.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxFilter.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxFilter.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxFilter.java Thu Jul 5 13:50:13 2007 @@ -1,8 +1,28 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import dojox.cometd.Channel; import dojox.cometd.Client; import dojox.cometd.DataFilter; +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxFilter implements DataFilter { public BayeuxFilter() { Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxListener.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxListener.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxListener.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxListener.java Thu Jul 5 13:50:13 2007 @@ -1,7 +1,27 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import dojox.cometd.Client; import dojox.cometd.Listener; +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxListener implements Listener { public BayeuxListener() { Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxPolicy.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxPolicy.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxPolicy.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxPolicy.java Thu Jul 5 13:50:13 2007 @@ -1,9 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import java.util.Map; import dojox.cometd.Client; import dojox.cometd.SecurityPolicy; +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxPolicy implements SecurityPolicy { public BayeuxPolicy() { Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxServlet.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxServlet.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxServlet.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/BayeuxServlet.java Thu Jul 5 13:50:13 2007 @@ -1,3 +1,19 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import java.io.IOException; @@ -9,11 +25,22 @@ import org.apache.catalina.CometEvent; import org.apache.catalina.CometProcessor; import javax.servlet.http.HttpServletResponse; +import java.util.ArrayList; +import org.apache.catalina.CometEvent.CometOperation; +/** + * @author Filip Hanik + * @version 1.0 + */ public class BayeuxServlet implements CometProcessor { protected ServletConfig servletConfig; + /** + * Complete list of all active events + */ + protected ArrayList<CometEvent> events = new ArrayList<CometEvent>(); + public BayeuxServlet() { } @@ -34,9 +61,46 @@ * @throws ServletException * @todo Implement this org.apache.catalina.CometProcessor method */ - public void event(CometEvent cometEvent) throws IOException, ServletException { + public void event(CometEvent event) throws IOException, ServletException { + if (event.getEventType()==CometEvent.EventType.BEGIN) { + eventBegin(event); + }else if (event.getEventType()==CometEvent.EventType.READ) { + eventRead(event); + }else if (event.getEventType()==CometEvent.EventType.END) { + eventEnd(event); + }else if (event.getEventType()==CometEvent.EventType.ERROR) { + eventEnd(event); + }else if (event.getEventType()==CometEvent.EventType.WRITE) { + //noop at this time, unregister the event + event.unregister(CometOperation.OP_WRITE); + }else if (event.getEventType()==CometEvent.EventType.CALLBACK) { + //noop at this time, unregister the event + event.unregister(CometOperation.OP_CALLBACK); + } + } + + public void eventBegin(CometEvent event) throws IOException, ServletException { + if (!events.contains(event)) { + events.add(event); + event.configureBlocking(true); + event.register(CometOperation.OP_READ); + } else { + //somehow an event got reused and we have it cached already + //can't do anything but to close it + event.close(); + } + } + + public void eventRead(CometEvent event) throws IOException, ServletException { } + + public void eventEnd(CometEvent event) throws IOException, ServletException { + events.remove(event); + event.close(); + } + + /** * getServletConfig Modified: tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/TomcatBayeux.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/TomcatBayeux.java?view=diff&rev=553628&r1=553627&r2=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/TomcatBayeux.java (original) +++ tomcat/sandbox/bayeux/java/org/apache/comet/bayeux/TomcatBayeux.java Thu Jul 5 13:50:13 2007 @@ -1,3 +1,19 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.apache.comet.bayeux; import dojox.cometd.Bayeux; @@ -6,6 +22,10 @@ import dojox.cometd.DataFilter; import dojox.cometd.Listener; import dojox.cometd.SecurityPolicy; +/** + * @author Filip Hanik + * @version 1.0 + */ public class TomcatBayeux implements Bayeux { public TomcatBayeux() { Added: tomcat/sandbox/bayeux/java/org/apache/comet/json/ReaderCharIterator.java URL: http://svn.apache.org/viewvc/tomcat/sandbox/bayeux/java/org/apache/comet/json/ReaderCharIterator.java?view=auto&rev=553628 ============================================================================== --- tomcat/sandbox/bayeux/java/org/apache/comet/json/ReaderCharIterator.java (added) +++ tomcat/sandbox/bayeux/java/org/apache/comet/json/ReaderCharIterator.java Thu Jul 5 13:50:13 2007 @@ -0,0 +1,187 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.comet.json; + +import java.text.CharacterIterator; +import java.io.Reader; +import java.io.EOFException; +import java.io.IOException; +/** + * @author Filip Hanik + * @version 1.0 + */ + +public class ReaderCharIterator implements CharacterIterator { + /** + * The reader used to read characters from + */ + protected Reader reader = null; + + /** + * The buffer of characters held + */ + protected StringBuffer buffer = new StringBuffer(); + + /** + * Position for the character reader + * if pos==buffer.length, then we need to read data + */ + protected int pos = -1; + + /** + * + * @param r Reader + */ + public ReaderCharIterator(Reader r) { + this.reader = r; + } + + + public void recycle() { + reader = null; + buffer.delete(0,buffer.length()); + } + + public void setReader(Reader r){ + this.reader = r; + } + + public Reader getReader() { + return reader; + } + + public void read() { + try { + int c = reader.read(); + if (c == -1) + throw new RuntimeException(new EOFException()); + buffer.append((char)c); + }catch (IOException x) { + throw new RuntimeException(x); + } + } + +//============================================================================= +// CharacterIterator implementation +//============================================================================= + /** + * Gets the character at the current position (as returned by getIndex()). + * + * @return the character at the current position or DONE if the current position is off the end of the text. + * @todo Implement this java.text.CharacterIterator method + */ + public char current() { + return buffer.charAt(pos); + } + + /** + * Sets the position to getBeginIndex() and returns the character at that position. + * + * @return the first character in the text, or DONE if the text is empty + * @todo Implement this java.text.CharacterIterator method + */ + public char first() { + if (buffer.length()==0) read(); + pos = 0; + return buffer.charAt(pos); + } + + /** + * Returns the start index of the text. + * + * @return the index at which the text begins. + * @todo Implement this java.text.CharacterIterator method + */ + public int getBeginIndex() { + return 0; + } + + /** + * Returns the end index of the text. + * + * @return the index after the last character in the text + * @todo Implement this java.text.CharacterIterator method + */ + public int getEndIndex() { + if (buffer.length()==0) return 0; + return buffer.length()-1; + } + + /** + * Returns the current index. + * + * @return the current index. + * @todo Implement this java.text.CharacterIterator method + */ + public int getIndex() { + return pos; + } + + /** + * Sets the position to getEndIndex()-1 (getEndIndex() if the text is empty) and returns the character at that + * position. + * + * @return the last character in the text, or DONE if the text is empty + * @todo Implement this java.text.CharacterIterator method + */ + public char last() { + throw new IllegalStateException("Streaming iterator, last() is unknown"); + } + + /** + * Increments the iterator's index by one and returns the character at the new index. + * + * @return the character at the new position or DONE if the new position is off the end of the text range. + * @todo Implement this java.text.CharacterIterator method + */ + public char next() { + pos++; + if (buffer.length()==0 || pos==buffer.length()) read(); + return buffer.charAt(pos); + } + + /** + * Decrements the iterator's index by one and returns the character at the new index. + * + * @return the character at the new position or DONE if the current position is equal to getBeginIndex(). + * @todo Implement this java.text.CharacterIterator method + */ + public char previous() { + pos--; + return buffer.charAt(pos); + } + + /** + * Sets the position to the specified position in the text and returns that character. + * + * @param position the position within the text. Valid values range from getBeginIndex() to getEndIndex(). An + * IllegalArgumentException is thrown if an invalid value is supplied. + * @return the character at the specified position or DONE if the specified position is equal to getEndIndex() + * @todo Implement this java.text.CharacterIterator method + */ + public char setIndex(int position) { + pos = position; + return buffer.charAt(pos); + } + + public Object clone() { + ReaderCharIterator rci = new ReaderCharIterator(getReader()); + rci.buffer = new StringBuffer(buffer.toString()); + rci.pos = this.pos; + return rci; + } +} \ No newline at end of file --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]