55 lines
1.8 KiB
Java
55 lines
1.8 KiB
Java
package io.gitlab.jfronny.resclone.fetchers;
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import io.gitlab.jfronny.resclone.Resclone;
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import io.gitlab.jfronny.resclone.util.Result;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.Path;
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public abstract class PackFetcher {
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abstract public String getSourceTypeName(); // The name for users to specify in the config
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abstract String getDownloadUrl(String baseUrl) throws Exception; // Return the actual download URL for the file based on the provided string
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public Result get(String baseUrl, Path targetDir, boolean forceDownload) throws Exception {
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String url;
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try {
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url = getDownloadUrl(baseUrl);
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Resclone.urlCache.set(baseUrl, url);
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} catch (Exception e) {
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if (Resclone.urlCache.containsKey(baseUrl)) {
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e.printStackTrace();
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url = Resclone.urlCache.get(baseUrl);
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} else {
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throw e;
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}
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}
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Path p = targetDir.resolve(Integer.toHexString(url.hashCode()));
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if (!forceDownload && Files.exists(p)) {
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Resclone.COUNT++;
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return new Result(p, false);
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}
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Resclone.LOGGER.info("Downloading pack: " + url);
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try (InputStream is = new URL(url).openStream()) {
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FileOutputStream os = new FileOutputStream(p.toFile());
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byte[] dataBuffer = new byte[1024];
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int bytesRead;
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while ((bytesRead = is.read(dataBuffer, 0, 1024)) != -1) {
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os.write(dataBuffer, 0, bytesRead);
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}
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Resclone.LOGGER.info("Finished downloading.");
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} catch (Throwable e) {
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throw new Exception("Could not download pack", e);
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}
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Resclone.COUNT++;
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return new Result(p, true);
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}
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} |