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/*
* Artifactural
* Copyright (c) 2018-2021.
*
* 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 version 2.1
* of the License.
*
* 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.artifactural.base.cache;
import net.minecraftforge.artifactural.api.artifact.Artifact;
import net.minecraftforge.artifactural.api.artifact.ArtifactIdentifier;
import net.minecraftforge.artifactural.api.artifact.ArtifactMetadata;
import net.minecraftforge.artifactural.api.artifact.ArtifactType;
import net.minecraftforge.artifactural.api.artifact.MissingArtifactException;
import net.minecraftforge.artifactural.api.cache.ArtifactCache;
import net.minecraftforge.artifactural.api.transform.ArtifactTransformer;
import net.minecraftforge.artifactural.base.artifact.StreamableArtifact;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
public abstract class ArtifactCacheBase implements ArtifactCache {
Artifact.Cached doStore(File path, Artifact artifact) {
return wrap(
StreamableArtifact.ofStreamable(
artifact.getIdentifier(),
artifact.getType(),
() -> stream(path, artifact)
).withMetadata(artifact.getMetadata()),
path
);
}
private InputStream stream(File path, Artifact artifact) throws IOException {
if (!path.exists()) {
path.getParentFile().mkdirs();
path.createNewFile();
FileOutputStream fos = new FileOutputStream(path);
InputStream is = artifact.openStream();
int read;
byte[] bytes = new byte[256];
while ((read = is.read(bytes)) > 0) {
fos.write(bytes, 0, read);
}
fos.close();
is.close();
}
return new FileInputStream(path);
}
public static Artifact.Cached wrap(Artifact artifact, File file) {
return new Artifact.Cached() {
@Override
public ArtifactIdentifier getIdentifier() {
return artifact.getIdentifier();
}
@Override
public ArtifactMetadata getMetadata() {
return artifact.getMetadata();
}
@Override
public ArtifactType getType() {
return artifact.getType();
}
@Override
public Artifact withMetadata(ArtifactMetadata metadata) {
return artifact.withMetadata(metadata);
}
@Override
public Artifact apply(ArtifactTransformer transformer) {
return artifact.apply(transformer);
}
@Override
public Artifact.Cached cache(ArtifactCache cache) {
return artifact.cache(cache);
}
@Override
public boolean isPresent() {
return artifact.isPresent();
}
@Override
public InputStream openStream() throws IOException, MissingArtifactException {
return artifact.openStream();
}
@Override
public File asFile() throws IOException, MissingArtifactException {
if(!file.exists()) {
artifact.openStream().close();
}
return file;
}
@Override
public File getFileLocation() throws MissingArtifactException {
return file;
}
@Override
public String toString() {
return "wrapped(" + artifact + ", " + file + ")";
}
};
}
}
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