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Smack/extensions/src/main/java/org/jivesoftware/smackx/xhtmlim/provider/XHTMLExtensionProvider.java
Florian Schmaus 1e57f1c659 Activate checkstyle and add missing license headers
Delete also all "All rights reserved" statements, as they are
unnecessary and conflict with checkstyle's header check. Delete unused
imports.
2014-02-17 20:09:55 +01:00

92 lines
3.4 KiB
Java

/**
*
* Copyright 2003-2007 Jive Software.
*
* Licensed 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.jivesoftware.smackx.xhtmlim.provider;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smackx.xhtmlim.packet.XHTMLExtension;
import org.xmlpull.v1.XmlPullParser;
/**
* The XHTMLExtensionProvider parses XHTML packets.
*
* @author Gaston Dombiak
*/
public class XHTMLExtensionProvider implements PacketExtensionProvider {
/**
* Creates a new XHTMLExtensionProvider.
* ProviderManager requires that every PacketExtensionProvider has a public, no-argument constructor
*/
public XHTMLExtensionProvider() {
}
/**
* Parses a XHTMLExtension packet (extension sub-packet).
*
* @param parser the XML parser, positioned at the starting element of the extension.
* @return a PacketExtension.
* @throws Exception if a parsing error occurs.
*/
public PacketExtension parseExtension(XmlPullParser parser)
throws Exception {
XHTMLExtension xhtmlExtension = new XHTMLExtension();
boolean done = false;
StringBuilder buffer = new StringBuilder();
int startDepth = parser.getDepth();
int depth = parser.getDepth();
String lastTag = "";
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("body")) {
buffer = new StringBuilder();
depth = parser.getDepth();
}
lastTag = parser.getText();
buffer.append(parser.getText());
} else if (eventType == XmlPullParser.TEXT) {
if (buffer != null) {
// We need to return valid XML so any inner text needs to be re-escaped
buffer.append(StringUtils.escapeForXML(parser.getText()));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("body") && parser.getDepth() <= depth) {
buffer.append(parser.getText());
xhtmlExtension.addBody(buffer.toString());
}
else if (parser.getName().equals(xhtmlExtension.getElementName())
&& parser.getDepth() <= startDepth) {
done = true;
}
else {
// This is a check for tags that are both a start and end tag like <br/>
// So that they aren't doubled
if(!lastTag.equals(parser.getText())) {
buffer.append(parser.getText());
}
}
}
}
return xhtmlExtension;
}
}