net.minecraftforge.gradle.util.PredefInputSupplier Maven / Gradle / Ivy

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/*
 * A Gradle plugin for the creation of Minecraft mods and MinecraftForge plugins.
 * Copyright (C) 2013-2019 Minecraft Forge
 * Copyright (C) 2020-2021 anatawa12 and other contributors
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 * USA
 */
package net.minecraftforge.gradle.util;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import net.minecraftforge.srg2source.util.io.InputSupplier;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

public class PredefInputSupplier implements InputSupplier
{
    private final Map fileMap = Maps.newHashMap();
    private final Map rootMap = Maps.newHashMap();

    @Override
    public void close() throws IOException
    {
        // uh.. no?
    }

    @Override
    public String getRoot(String resource)
    {
        return rootMap.get(sanitize(resource));
    }

    @Override
    public InputStream getInput(String relPath)
    {
        return new ByteArrayInputStream(fileMap.get(sanitize(relPath)));
    }

    @Override
    public List gatherAll(String endFilter)
    {
        LinkedList out = Lists.newLinkedList();
        for (String s : fileMap.keySet())
        {
            if (s.endsWith(endFilter))
            {
                out.add(s);
            }
        }

        return out;
    }

    public void addFile(String path, File root, byte[] data) throws IOException
    {
        path = sanitize(path);
        fileMap.put(path, data);
        rootMap.put(path, sanitize(root.getCanonicalPath()));
    }

    private String sanitize(String in)
    {
        if (in == null)
        {
            return null;
        }
        
        in = in.replace('\\', '/');

        if (in.endsWith("/"))
            in = in.substring(0, in.length() - 1);

        return in;
    }

    public boolean isEmpty()
    {
        return fileMap.isEmpty() && rootMap.isEmpty();
    }
}