/*
* A CCNx example of extending ccnb encoding/decoding.
*
* Copyright (C) 2008, 2009, 2010, 2011 Palo Alto Research Center, Inc.
*
* This work is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
* This work 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 General Public License
* for more details. You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
package org.ccnx.ccn.apps.examples.ccnb;
import org.ccnx.ccn.impl.encoding.BinaryXMLDictionary;
import org.ccnx.ccn.impl.encoding.XMLDictionary;
/**
* This class is used to insure that the example XML dictionary stuff get's loaded.
*/
public class ExampleDictionary implements XMLDictionary {
private static ExampleDictionary _defaultInstance = new ExampleDictionary();
public static ExampleDictionary getDefaultInstance() { return _defaultInstance; }
private ExampleDictionary() {}
/**
* Load the example dictionary globally. This code should be in the class
* that makes use of the example types.
*/
static {
BinaryXMLDictionary.pushGlobalXMLDictionary(ExampleDictionary.getDefaultInstance());
}
@Override
public Long stringToTag(String tag) {
Long tagVal = null;
try {
tagVal = ExampleDTags.stringToTag(tag);
if (null != tagVal) {
return tagVal;
}
} catch (IllegalArgumentException e) {
// do nothing
}
return null; // no tag with that name
}
/**
* This is the slow way, but we should only have to do this if printing things
* out as text...
*/
@Override
public String tagToString(long tagVal) {
return ExampleDTags.tagToString(tagVal);
}
}