/*
* Copyright (C) 2010 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.web.controller.router;
import java.io.IOException;
import java.util.Map;
import javax.servlet.http.HttpUtils;
import org.exoplatform.web.url.MimeType;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class URIHelper implements Appendable {
/** . */
private StringBuilder sb;
/** . */
final URIWriter writer;
public URIHelper() {
this(new StringBuilder());
}
public URIHelper(StringBuilder sb) {
this.sb = sb;
this.writer = new URIWriter(this, MimeType.PLAIN);
}
public String getPath() {
if (sb != null) {
int index = sb.indexOf("?");
if (index != -1) {
return sb.substring(0, index);
} else {
return sb.toString();
}
}
return null;
}
public Map<String, String[]> getQueryParams() {
if (sb != null) {
int index = sb.indexOf("?");
if (index != -1) {
String query = sb.substring(index + 1);
return HttpUtils.parseQueryString(query);
}
}
return null;
}
public void reset() {
if (sb != null) {
sb.setLength(0);
}
writer.reset(sb);
}
public Appendable append(CharSequence csq) throws IOException {
sb.append(csq);
return this;
}
public Appendable append(CharSequence csq, int start, int end) throws IOException {
sb.append(csq, start, end);
return this;
}
public Appendable append(char c) throws IOException {
sb.append(c);
return this;
}
}