87 lines
2.2 KiB
Java
87 lines
2.2 KiB
Java
/*
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* Copyright 2012-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.multimc;
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import java.io.File;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.List;
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public class Utils
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{
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/**
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* Combine two parts of a path.
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*
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* @param path1
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* @param path2
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* @return the paths, combined
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*/
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public static String combine(String path1, String path2)
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{
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File file1 = new File(path1);
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File file2 = new File(file1, path2);
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return file2.getPath();
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}
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/**
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* Join a list of strings into a string using a separator!
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*
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* @param strings the string list to join
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* @param separator the glue
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* @return the result.
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*/
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public static String join(List<String> strings, String separator)
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{
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StringBuilder sb = new StringBuilder();
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String sep = "";
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for (String s : strings)
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{
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sb.append(sep).append(s);
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sep = separator;
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}
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return sb.toString();
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}
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/**
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* Finds a field that looks like a Minecraft base folder in a supplied class
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*
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* @param mc the class to scan
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*/
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public static Field getMCPathField(Class<?> mc)
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{
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Field[] fields = mc.getDeclaredFields();
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for (Field f : fields)
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{
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if (f.getType() != File.class)
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{
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// Has to be File
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continue;
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}
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if (f.getModifiers() != (Modifier.PRIVATE + Modifier.STATIC))
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{
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// And Private Static.
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continue;
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}
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return f;
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}
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return null;
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}
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}
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