/*
* Copyright 2005 Joe Walker
*
* 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.directwebremoting.json.parse;
import org.directwebremoting.Container;
import org.directwebremoting.ServerContext;
import org.directwebremoting.extend.Builder;
import org.directwebremoting.extend.Factory;
/**
* An accessor for the current JsonParser.
* The nested {@link Builder} will only be of use to system implementors.
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class JsonParserFactory
{
/**
* Accessor for the current JsonParser.
* @return The current JsonParser.
*/
public static JsonParser get()
{
return factory.get();
}
/**
* Accessor for the current JsonParser in more complex setups.
* For some setups DWR may not be able to discover the correct environment
* (i.e. ServerContext), so we need to tell it. This generally happens if
* you have DWR configured twice in a single context. Unless you are writing
* code that someone else will configure, it is probably safe to use the
* simpler {@link #get()} method.
* @param ctx The servlet context to allow us to bootstrap
* @return The current JsonParser.
*/
public static JsonParser get(ServerContext ctx)
{
return factory.get(ctx);
}
/**
* Internal method to allow us to get the Builder from which we
* will get JsonParser objects.
* Do NOT call this method from outside of DWR.
*/
public static JsonParser attach(Container container)
{
return factory.attach(container);
}
private static Factory<JsonParser> factory = Factory.create(JsonParserBuilder.class);
/**
* Hack to get around Generics not being implemented by erasure
*/
public interface JsonParserBuilder extends Builder<JsonParser>
{
}
}