NOISSUE reorganize and document libraries

libraries/launcher/org/multimc/ParamBucket.java

@@ -0,0 +1,86 @@
+/*
+ * 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>>();
+}