Move to net.minecraftforge package, and update license headers.

4 files changed, 339 insertions, 0 deletions

diff --git a/src/shared/java/net/minecraftforge/artifactural/base/artifact/ArtifactBase.java b/src/shared/java/net/minecraftforge/artifactural/base/artifact/ArtifactBase.java
new file mode 100644
index 0000000..ddcc8a5
--- /dev/null
+++ b/src/shared/java/net/minecraftforge/artifactural/base/artifact/ArtifactBase.java
@@ -0,0 +1,72 @@
+/*
+ * 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 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.cache.ArtifactCache;
+import net.minecraftforge.artifactural.api.transform.ArtifactTransformer;
+
+public abstract class ArtifactBase implements Artifact {
+
+    private final ArtifactIdentifier identifier;
+    private final ArtifactType type;
+    private final ArtifactMetadata metadata;
+
+    public ArtifactBase(ArtifactIdentifier identifier, ArtifactType type, ArtifactMetadata metadata) {
+        this.identifier = identifier;
+        this.type = type;
+        this.metadata = metadata;
+    }
+
+    @Override
+    public ArtifactIdentifier getIdentifier() {
+        return identifier;
+    }
+
+    @Override
+    public ArtifactType getType() {
+        return type;
+    }
+
+    @Override
+    public ArtifactMetadata getMetadata() {
+        return metadata;
+    }
+
+    @Override
+    public Artifact apply(ArtifactTransformer transformer) {
+        if (!transformer.appliesTo(this)) return this;
+        return transformer.transform(this);
+    }
+
+    @Override
+    public Artifact.Cached cache(ArtifactCache cache) {
+        return cache.store(this);
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "(" + identifier + ", " + type +", " + metadata;
+    }
+
+}
diff --git a/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactIdentifier.java b/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactIdentifier.java
new file mode 100644
index 0000000..5ab60f6
--- /dev/null
+++ b/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactIdentifier.java
@@ -0,0 +1,70 @@
+/*
+ * 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 net.minecraftforge.artifactural.api.artifact.ArtifactIdentifier;
+
+public class SimpleArtifactIdentifier implements ArtifactIdentifier {
+
+    private final String group, name, version, classifier, extension;
+
+    public SimpleArtifactIdentifier(String group, String name, String version, String classifier, String extension) {
+        this.group = group;
+        this.name = name;
+        this.version = version;
+        this.classifier = classifier;
+        this.extension = extension;
+    }
+
+    @Override
+    public String getGroup() {
+        return group;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String getVersion() {
+        return version;
+    }
+
+    @Override
+    public String getClassifier() {
+        return classifier;
+    }
+
+    @Override
+    public String getExtension() {
+        return extension;
+    }
+
+    @Override
+    public String toString() {
+        String ret = getGroup() + ':' + getName() + ':' + getVersion();
+        if (classifier != null)
+            ret += ':' + getClassifier();
+        if ("jar".equals(extension))
+            ret += '@' + getExtension();
+        return ret;
+    }
+}
diff --git a/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactMetadata.java b/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactMetadata.java
new file mode 100644
index 0000000..21a1f20
--- /dev/null
+++ b/src/shared/java/net/minecraftforge/artifactural/base/artifact/SimpleArtifactMetadata.java
@@ -0,0 +1,86 @@
+/*
+ * 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.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import net.minecraftforge.artifactural.api.artifact.ArtifactMetadata;
+
+public class SimpleArtifactMetadata implements ArtifactMetadata {
+
+    private final List<Entry> entries = new LinkedList<>();
+    private String hash = null;
+
+    public SimpleArtifactMetadata() {
+    }
+
+    private SimpleArtifactMetadata(SimpleArtifactMetadata parent, Entry entry) {
+        this.entries.addAll(parent.entries);
+        this.entries.add(entry);
+    }
+
+    @Override
+    public ArtifactMetadata with(String key, String value) {
+        return new SimpleArtifactMetadata(this, new Entry(key, value));
+    }
+
+    @Override
+    public String getHash() {
+        if (hash != null) return hash;
+        try {
+            String str = entries.stream().map(Entry::toString).collect(Collectors.joining("\n"));
+            MessageDigest digest = MessageDigest.getInstance("SHA-1");
+            byte[] hashBytes = digest.digest(str.getBytes());
+            StringBuilder hashBuilder = new StringBuilder();
+            for (byte b : hashBytes) {
+                hashBuilder.append(String.format("%02x", b));
+            }
+            return hash = hashBuilder.toString();
+        } catch (NoSuchAlgorithmException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return "SimpleArtifactMetadata(" + entries.toString() + ", " + getHash() + ")";
+    }
+
+    private static class Entry {
+
+        private final String key, value;
+
+        private Entry(String key, String value) {
+            this.key = key;
+            this.value = value;
+        }
+
+        @Override
+        public String toString() {
+            return '[' + key + ',' + value + ']';
+        }
+
+    }
+
+}
diff --git a/src/shared/java/net/minecraftforge/artifactural/base/artifact/StreamableArtifact.java b/src/shared/java/net/minecraftforge/artifactural/base/artifact/StreamableArtifact.java
new file mode 100644
index 0000000..0428572
--- /dev/null
+++ b/src/shared/java/net/minecraftforge/artifactural/base/artifact/StreamableArtifact.java
@@ -0,0 +1,111 @@
+/*
+ * 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 + ")";
+        }
+
+    }
+
+}