pollymc/depends/launcher/org/multimc/ParamBucket.java

87 lines
1.9 KiB
Java

/*
* Copyright 2012-2014 MultiMC Contributors
*
* 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.multimc;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class ParamBucket
{
public void add(String key, String value)
{
List<String> coll = null;
if(!m_params.containsKey(key))
{
coll = new ArrayList<String>();
m_params.put(key, coll);
}
else
{
coll = m_params.get(key);
}
coll.add(value);
}
public List<String> all(String key) throws NotFoundException
{
if(!m_params.containsKey(key))
throw new NotFoundException();
return m_params.get(key);
}
public List<String> allSafe(String key, List<String> def)
{
if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
{
return def;
}
return m_params.get(key);
}
public List<String> allSafe(String key)
{
return allSafe(key, new ArrayList<String>());
}
public String first(String key) throws NotFoundException
{
List<String> list = all(key);
if(list.size() < 1)
{
throw new NotFoundException();
}
return list.get(0);
}
public String firstSafe(String key, String def)
{
if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
{
return def;
}
return m_params.get(key).get(0);
}
public String firstSafe(String key)
{
return firstSafe(key, "");
}
private HashMap<String, List<String>> m_params = new HashMap<String, List<String>>();
}