2011-09-26 14:51:15 +02:00
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/*
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* Copyright 2010 Red Hat, Inc.
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*
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* Red Hat licenses this file to you under the Apache License, version 2.0
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* (the "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package org.jboss.netty.handler.codec.http.websocketx;
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import org.jboss.netty.buffer.ChannelBuffer;
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import org.jboss.netty.buffer.ChannelBuffers;
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import org.jboss.netty.util.CharsetUtil;
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/**
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* Web Socket text frame with assumed UTF-8 encoding
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*
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* @author <a href="http://www.veebsbraindump.com/">Vibul Imtarnasan</a>
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*
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*/
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public class TextWebSocketFrame extends WebSocketFrame {
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2011-11-04 19:28:15 +01:00
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/**
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* Creates a new empty text frame.
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*/
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public TextWebSocketFrame() {
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this.setBinaryData(ChannelBuffers.EMPTY_BUFFER);
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}
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2011-09-26 14:51:15 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Creates a new text frame with the specified text string. The final
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* fragment flag is set to true.
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*
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* @param text
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* String to put in the frame
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*/
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public TextWebSocketFrame(String text) {
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if (text == null || text.isEmpty()) {
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this.setBinaryData(ChannelBuffers.EMPTY_BUFFER);
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} else {
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this.setBinaryData(ChannelBuffers.copiedBuffer(text, CharsetUtil.UTF_8));
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}
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}
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2011-09-26 14:51:15 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Creates a new text frame with the specified binary data. The final
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* fragment flag is set to true.
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*
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* @param binaryData
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* the content of the frame. Must be UTF-8 encoded
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*/
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public TextWebSocketFrame(ChannelBuffer binaryData) {
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this.setBinaryData(binaryData);
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}
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2011-09-26 14:51:15 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Creates a new text frame with the specified text string. The final
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* fragment flag is set to true.
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*
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* @param finalFragment
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* flag indicating if this frame is the final fragment
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* @param rsv
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* reserved bits used for protocol extensions
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* @param text
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* String to put in the frame
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*/
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public TextWebSocketFrame(boolean finalFragment, int rsv, String text) {
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this.setFinalFragment(finalFragment);
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this.setRsv(rsv);
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if (text == null || text.isEmpty()) {
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this.setBinaryData(ChannelBuffers.EMPTY_BUFFER);
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} else {
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this.setBinaryData(ChannelBuffers.copiedBuffer(text, CharsetUtil.UTF_8));
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}
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}
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2011-10-16 08:01:24 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Creates a new text frame with the specified binary data. The final
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* fragment flag is set to true.
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*
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* @param finalFragment
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* flag indicating if this frame is the final fragment
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* @param rsv
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* reserved bits used for protocol extensions
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* @param binaryData
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* the content of the frame. Must be UTF-8 encoded
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*/
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public TextWebSocketFrame(boolean finalFragment, int rsv, ChannelBuffer binaryData) {
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this.setFinalFragment(finalFragment);
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this.setRsv(rsv);
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this.setBinaryData(binaryData);
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}
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2011-10-16 08:01:24 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Returns the text data in this frame
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*/
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public String getText() {
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if (this.getBinaryData() == null) {
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return null;
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}
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return this.getBinaryData().toString(CharsetUtil.UTF_8);
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}
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2011-09-26 14:51:15 +02:00
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2011-11-04 19:28:15 +01:00
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/**
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* Sets the string for this frame
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*
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* @param text
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* text to store
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*/
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public void setText(String text) {
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if (text == null) {
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throw new NullPointerException("text");
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}
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this.setBinaryData(ChannelBuffers.copiedBuffer(text, CharsetUtil.UTF_8));
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}
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2011-09-26 14:51:15 +02:00
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2011-11-04 19:28:15 +01:00
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@Override
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public String toString() {
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return getClass().getSimpleName() + "(text: " + getText() + ')';
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}
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2011-09-26 14:51:15 +02:00
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}
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