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Reformat to use Fabric API's checkstyle (#137)

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* Reformat to use Fabric API's checkstyle

* Fix

* Fix

* Update

* Travis and fixes

* possible fix for checkstyle?

* Helps if i push the checkstyle.xml file...

* Log checkstyle issues to console - used by travis

* Fix some more issues

* opps
This commit is contained in:
modmuss50
2019-11-02 20:23:27 +00:00
committed by GitHub
parent 2bd339241f
commit f85daec559
59 changed files with 2129 additions and 1655 deletions
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68
src/main/java/net/fabricmc/loom/util/DownloadUtil.java
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@@ -21,6 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.util;
import java.io.File;
@@ -29,21 +30,18 @@ import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import com.google.common.io.Files;
import org.apache.commons.io.FileUtils;
import org.gradle.api.Project;
import org.gradle.api.logging.Logger;
import com.google.common.io.Files;
public class DownloadUtil {
/**
* Download from the given {@link URL} to the given {@link File} so long as there are differences between them
* Download from the given {@link URL} to the given {@link File} so long as there are differences between them.
*
* @param from The URL of the file to be downloaded
* @param to The destination to be saved to, and compared against if it exists
* @param logger The logger to print everything to, typically from {@link Project#getLogger()}
*
* @throws IOException If an exception occurs during the process
*/
public static void downloadIfChanged(URL from, File to, Logger logger) throws IOException {
@@ -51,24 +49,28 @@ public class DownloadUtil {
}
/**
* Download from the given {@link URL} to the given {@link File} so long as there are differences between them
* Download from the given {@link URL} to the given {@link File} so long as there are differences between them.
*
* @param from The URL of the file to be downloaded
* @param to The destination to be saved to, and compared against if it exists
* @param logger The logger to print information to, typically from {@link Project#getLogger()}
* @param quiet Whether to only print warnings (when <code>true</code>) or everything
*
* @throws IOException If an exception occurs during the process
*/
public static void downloadIfChanged(URL from, File to, Logger logger, boolean quiet) throws IOException {
HttpURLConnection connection = (HttpURLConnection) from.openConnection();
//If the output already exists we'll use it's last modified time
if (to.exists()) connection.setIfModifiedSince(to.lastModified());
if (to.exists()) {
connection.setIfModifiedSince(to.lastModified());
}
//Try use the ETag if there's one for the file we're downloading
String etag = loadETag(to, logger);
if (etag != null) connection.setRequestProperty("If-None-Match", etag);
if (etag != null) {
connection.setRequestProperty("If-None-Match", etag);
}
//We want to download gzip compressed stuff
connection.setRequestProperty("Accept-Encoding", "gzip");
@@ -80,21 +82,29 @@ public class DownloadUtil {
connection.connect();
int code = connection.getResponseCode();
if ((code < 200 || code > 299) && code != HttpURLConnection.HTTP_NOT_MODIFIED) {
//Didn't get what we expected
throw new IOException(connection.getResponseMessage());
}
long modifyTime = connection.getHeaderFieldDate("Last-Modified", -1);
if (to.exists() && (code == HttpURLConnection.HTTP_NOT_MODIFIED || modifyTime > 0 && to.lastModified() >= modifyTime)) {
if (!quiet) logger.info("'{}' Not Modified, skipping.", to);
if (!quiet) {
logger.info("'{}' Not Modified, skipping.", to);
}
return; //What we've got is already fine
}
long contentLength = connection.getContentLengthLong();
if (!quiet && contentLength >= 0) logger.info("'{}' Changed, downloading {}", to, toNiceSize(contentLength));
try {//Try download to the output
if (!quiet && contentLength >= 0) {
logger.info("'{}' Changed, downloading {}", to, toNiceSize(contentLength));
}
try { //Try download to the output
FileUtils.copyInputStreamToFile(connection.getInputStream(), to);
} catch (IOException e) {
to.delete(); //Probably isn't good if it fails to copy/save
@@ -102,23 +112,27 @@ public class DownloadUtil {
}
//Set the modify time to match the server's (if we know it)
if (modifyTime > 0) to.setLastModified(modifyTime);
if (modifyTime > 0) {
to.setLastModified(modifyTime);
}
//Save the ETag (if we know it)
String eTag = connection.getHeaderField("ETag");
if (eTag != null) {
//Log if we get a weak ETag and we're not on quiet
if (!quiet && eTag.startsWith("W/")) logger.warn("Weak ETag found.");
if (!quiet && eTag.startsWith("W/")) {
logger.warn("Weak ETag found.");
}
saveETag(to, eTag, logger);
}
}
/**
* Creates a new file in the same directory as the given file with <code>.etag</code> on the end of the name
* Creates a new file in the same directory as the given file with <code>.etag</code> on the end of the name.
*
* @param file The file to produce the ETag for
*
* @return The (uncreated) ETag file for the given file
*/
private static File getETagFile(File file) {
@@ -126,16 +140,18 @@ public class DownloadUtil {
}
/**
* Attempt to load an ETag for the given file, if it exists
* Attempt to load an ETag for the given file, if it exists.
*
* @param to The file to load an ETag for
* @param logger The logger to print errors to if it goes wrong
*
* @return The ETag for the given file, or <code>null</code> if it doesn't exist
*/
private static String loadETag(File to, Logger logger) {
File eTagFile = getETagFile(to);
if (!eTagFile.exists()) return null;
if (!eTagFile.exists()) {
return null;
}
try {
return Files.asCharSource(eTagFile, StandardCharsets.UTF_8).read();
@@ -146,7 +162,7 @@ public class DownloadUtil {
}
/**
* Saves the given ETag for the given file, replacing it if it already exists
* Saves the given ETag for the given file, replacing it if it already exists.
*
* @param to The file to save the ETag for
* @param eTag The ETag to be saved
@@ -154,8 +170,12 @@ public class DownloadUtil {
*/
private static void saveETag(File to, String eTag, Logger logger) {
File eTagFile = getETagFile(to);
try {
if (!eTagFile.exists()) eTagFile.createNewFile();
if (!eTagFile.exists()) {
eTagFile.createNewFile();
}
Files.asCharSink(eTagFile, StandardCharsets.UTF_8).write(eTag);
} catch (IOException e) {
logger.warn("Error saving ETag file '{}'.", eTagFile, e);
@@ -163,10 +183,9 @@ public class DownloadUtil {
}
/**
* Format the given number of bytes as a more human readable string
* Format the given number of bytes as a more human readable string.
*
* @param bytes The number of bytes
*
* @return The given number of bytes formatted to kilobytes, megabytes or gigabytes if appropriate
*/
private static String toNiceSize(long bytes) {
@@ -192,8 +211,9 @@ public class DownloadUtil {
}
File etagFile = getETagFile(file);
if (etagFile.exists()) {
etagFile.delete();
}
}
}
}