/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.commons.xml;
import org.xmlpull.mxp1.MXParserCachingStrings;
import org.xmlpull.v1.XmlPullParser;
/**
* Jul 8, 2004
*
* @author: Tuan Nguyen
* @version: $Id: ExoXPPParser.java,v 1.4 2004/10/20 20:58:27 tuan08 Exp $
*/
public class ExoXPPParser extends MXParserCachingStrings
{
private String[] nodeAttributeName_ = new String[20];
private String[] nodeAttributeValue_ = new String[20];
private int nodeAttributeCount_;
public boolean node(String name) throws Exception
{
if (this.eventType == XmlPullParser.END_DOCUMENT)
return false;
while (this.eventType != XmlPullParser.START_TAG)
{
next();
if (this.eventType == XmlPullParser.END_DOCUMENT)
return false;
}
if (getName().equals(name))
{
copyAttributes();
next();
return true;
}
return false;
}
public String nodeContent(String name) throws Exception
{
if (node(name))
return getContent();
return null;
}
public void endNode(String name) throws Exception
{
while (!(this.eventType == XmlPullParser.END_TAG && name.equals(getName())))
{
nextTag();
}
}
public void mandatoryNode(String name) throws Exception
{
if (this.eventType == XmlPullParser.END_DOCUMENT)
{
throw new Exception("expect tag name " + name + ", but end of document");
}
while (this.eventType != XmlPullParser.START_TAG)
{
next();
if (this.eventType == XmlPullParser.END_DOCUMENT)
{
throw new Exception("expect tag name " + name + ", but end of document");
}
}
if (!getName().equals(name))
{
throw new Exception("expect tag name " + name + ", but find " + getName());
}
copyAttributes();
next();
}
public String mandatoryNodeContent(String name) throws Exception
{
mandatoryNode(name);
return getContent();
}
public String getContent() throws Exception
{
if (this.eventType != TEXT)
{
return null; // throw new Exception("Not a text node, name : " +
// getName()) ;
}
return this.getText();
}
public String getNodeAttributeValue(String name)
{
for (int i = 0; i < nodeAttributeCount_; i++)
{
if (name.equals(nodeAttributeName_[i]))
return nodeAttributeValue_[i];
}
return null;
}
private void copyAttributes()
{
for (int i = 0; i < this.attributeCount; i++)
{
nodeAttributeName_[i] = this.attributeName[i];
nodeAttributeValue_[i] = this.attributeValue[i];
}
nodeAttributeCount_ = this.attributeCount;
}
static public ExoXPPParser getInstance() throws Exception
{
return new ExoXPPParser();
}
}