1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* 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.artifact;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
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.artifact.Streamable;
public class StreamableArtifact extends ArtifactBase {
public static Artifact ofFile(ArtifactIdentifier identifier, ArtifactType type, File file) {
return new StreamableFileArtifact(identifier, type, file);
}
public static Artifact ofURL(ArtifactIdentifier identifier, ArtifactType type, URL url) {
return new StreamableArtifact(identifier, type, url::openStream);
}
public static Artifact ofBytes(ArtifactIdentifier identifier, ArtifactType type, byte[] bytes) {
return new StreamableArtifact(identifier, type, () -> new ByteArrayInputStream(bytes));
}
public static Artifact ofStreamable(ArtifactIdentifier identifier, ArtifactType type, Streamable streamable) {
return new StreamableArtifact(identifier, type, streamable);
}
private final Streamable streamable;
private StreamableArtifact(ArtifactIdentifier identifier, ArtifactType type, Streamable streamable) {
this(identifier, type, new SimpleArtifactMetadata(), streamable);
}
private StreamableArtifact(ArtifactIdentifier identifier, ArtifactType type, ArtifactMetadata metadata, Streamable streamable) {
super(identifier, type, metadata);
this.streamable = streamable;
}
@Override
public Artifact withMetadata(ArtifactMetadata metadata) {
return new StreamableArtifact(getIdentifier(), getType(), metadata, streamable);
}
@Override
public boolean isPresent() {
try (InputStream is = openStream()) {
is.close();
return true;
} catch (IOException ex) {
return false;
}
}
@Override
public InputStream openStream() throws IOException {
return streamable.openStream();
}
private static class StreamableFileArtifact extends StreamableArtifact implements Artifact.Cached {
private final File file;
private StreamableFileArtifact(ArtifactIdentifier identifier, ArtifactType type, File file) {
super(identifier, type, () -> new FileInputStream(file));
this.file = file;
}
@Override
public File asFile() throws MissingArtifactException {
return file;
}
@Override
public File getFileLocation() throws MissingArtifactException {
return file;
}
@Override
public String toString() {
return "StreamableFileArtifact(" + file + ")";
}
}
}
|
