/**
* 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.services.token.attribute;
import org.exoplatform.services.chars.SpecChar;
import org.exoplatform.services.chars.StringTokenizer;
import org.exoplatform.services.common.ThreadSoftRef;
import org.exoplatform.services.token.Node;
import java.util.List;
/**
*
* @author nhuthuan
* Email: nhudinhthuan@yahoo.com
*/
public final class AttributeParser
{
static ThreadSoftRef<AttributeParser> PARSER = new ThreadSoftRef<AttributeParser>(AttributeParser.class);
public static Attributes getAttributes(Node<?> node)
{
return PARSER.getRef().parseAttributes(node);
}
final synchronized private Attributes parseAttributes(Node<?> node)
{
String text = String.valueOf(node.getValue());
text = text.substring(text.toUpperCase().indexOf(node.getName().toString().toUpperCase()) + 1);
StringTokenizer split =
new StringTokenizer(new char[]{'\"'}, new char[]{SpecChar.s, SpecChar.t, SpecChar.b, SpecChar.f, SpecChar.r});
List<String> elements = split.split(text);
Attributes list = new Attributes(node);
for (int i = 0; i < elements.size(); i++)
{
if (elements.get(i).indexOf("=") > 0)
{
String name = elements.get(i);
int idx = name.indexOf("=");
if (idx != name.length() - 1)
{
String value = name.substring(idx + 1);
name = name.substring(0, idx);
if (value.charAt(0) == '\'' && value.length() > 1)
{
if (value.charAt(value.length() - 1) == '\'')
{
value = value.substring(1, value.length() - 1);
}
else
{
value = value.substring(1, value.length());
}
}
Attribute attr = new Attribute(name, value);
list.add(attr);
}
else
{
name = name.substring(0, idx);
Attribute attr = new Attribute(name, "");
int j = i + 1;
StringBuilder value = new StringBuilder();
int start = -1;
while (j < elements.size())
{
String txt = elements.get(j).trim();
if (txt.length() == 0 || txt.equals("\""))
{
j++;
start++;
continue;
}
if (start == 1)
break;
if (start == -1 && txt.indexOf("=") > -1)
break;
if (value.length() > 0)
value.append(' ');
value.append(txt);
j++;
}
if (value.length() > 0)
{
if (value.charAt(0) == '\'')
{
if (value.charAt(value.length() - 1) == '\'' && value.length() > 1)
{
value = new StringBuilder(value.substring(1, value.length() - 1));
}
else
{
value = new StringBuilder(value.substring(1, value.length()));
}
}
attr.setValue(value.toString());
list.add(attr);
}
i = j - 1;
}
}
}
list.trimToSize();
return list;
}
}