forked from TheBrokenRail/ModUpdater
86 lines
3.0 KiB
Java
86 lines
3.0 KiB
Java
package com.thebrokenrail.modupdater.strategy;
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import com.thebrokenrail.modupdater.ModUpdater;
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import com.thebrokenrail.modupdater.util.ConfigObject;
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import com.thebrokenrail.modupdater.util.ModUpdate;
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import com.thebrokenrail.modupdater.util.ModUpdateStrategy;
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import com.thebrokenrail.modupdater.util.Util;
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import net.fabricmc.loader.api.SemanticVersion;
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import net.fabricmc.loader.util.version.VersionParsingException;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Node;
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import org.dom4j.io.SAXReader;
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import java.io.IOException;
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import java.util.List;
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public class MavenStrategy implements ModUpdateStrategy {
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@Override
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public ModUpdate checkForUpdate(ConfigObject obj, String oldVersion, String name) {
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String repository;
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String group;
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String artifact;
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try {
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repository = obj.getString("repository");
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group = obj.getString("group");
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artifact = obj.getString("artifact");
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} catch (ConfigObject.MissingValueException e) {
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ModUpdater.invalidModUpdaterConfig(name);
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return null;
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}
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String mavenRoot = String.format("%s/%s/%s", repository, group.replaceAll("\\.", "/"), artifact);
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String data;
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try {
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data = Util.urlToString(mavenRoot + "/maven-metadata.xml");
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} catch (IOException e) {
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ModUpdater.getLogger().warn("Unable To Access Maven Repository: " + name);
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return null;
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}
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Document doc;
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try {
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SAXReader reader = new SAXReader();
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doc = reader.read(data);
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} catch (DocumentException e) {
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ModUpdater.getLogger().warn("Unable To Access Maven Repository: " + name);
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return null;
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}
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List<Node> versions = doc.selectNodes("/metadata/versioning/versions/*");
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String newestVersion = null;
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for (Node node : versions) {
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String version = node.getText();
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if (Util.isVersionCompatible(version)) {
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if (newestVersion != null) {
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try {
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if (SemanticVersion.parse(version).compareTo(SemanticVersion.parse(newestVersion)) > 0) {
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newestVersion = version;
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}
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} catch (VersionParsingException ignored) {
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}
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} else {
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newestVersion = version;
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}
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}
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}
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if (newestVersion != null) {
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try {
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if (SemanticVersion.parse(newestVersion).compareTo(SemanticVersion.parse(oldVersion)) > 0) {
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return new ModUpdate(oldVersion, newestVersion, mavenRoot + '/' + newestVersion + '/' + artifact + '-' + newestVersion + Util.JAR_EXTENSION, name);
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} else {
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return null;
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}
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} catch (VersionParsingException e) {
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return null;
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}
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} else {
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return null;
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}
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}
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}
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