[v1.2.1] [U] 修改接口使用方式，使其更加易懂。

pom.xml

@@ -14,7 +14,7 @@
 
     <groupId>cc.carm.lib</groupId>
     <artifactId>githubreleases4j</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
 
     <name>GithubReleases4J</name>
     <description>Github Releases for Java</description>

src/main/java/cc/carm/lib/githubreleases4j/GitHubHttpUtils.java

@@ -21,57 +21,44 @@ public class GitHubHttpUtils {
 		// Should not be the instance or use by other codes.
 	}
 
-	protected static JSONObject getObject(@NotNull String urlString, @Nullable String token) throws IOException {
-		URL url = new URL(urlString);
-		URLConnection conn = url.openConnection();
-		conn.setRequestProperty("User-Agent", "GithubReleases4J");
-		if (token != null) {
-			conn.setRequestProperty("Authorization", "token " + token);
-		}
-		conn.setRequestProperty("Accept", "application/vnd.github.v3+json");
-		conn.connect();
-
-		InputStream in = conn.getInputStream();
-
-		BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8));
-		String responseBody = reader.lines().collect(Collectors.joining(System.lineSeparator()));
-		reader.close();
-		return new JSONObject(responseBody);
-	}
-
-	protected static JSONArray getArray(@NotNull String urlString, String token) throws IOException {
-		URL url = new URL(urlString);
+	private static URLConnection createConnection(@NotNull String httpURL, @Nullable String token) throws IOException {
+		URL url = new URL(httpURL);
 
 		URLConnection conn = url.openConnection();
 		conn.setRequestProperty("User-Agent", "GithubReleases4J");
-		if (token != null) {
-			conn.setRequestProperty("Authorization", "token " + token);
-		}
 		conn.setRequestProperty("Accept", "application/vnd.github.v3+json");
-		conn.connect();
 
-		InputStream in = conn.getInputStream();
+		if (token != null) conn.setRequestProperty("Authorization", "token " + token);
 
-		BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8));
-		String responseBody = reader.lines().collect(Collectors.joining(System.lineSeparator()));
-		reader.close();
-
-		return new JSONArray(responseBody);
+		return conn;
 	}
 
-	protected static File download(@NotNull String urlString, @Nullable String token,
+	private static String getResponse(@NotNull String httpURL, @Nullable String token) throws IOException {
+		URLConnection connection = createConnection(httpURL, token);
+		InputStream in = connection.getInputStream();
+
+		BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8));
+		String response = reader.lines().collect(Collectors.joining(System.lineSeparator()));
+		reader.close();
+
+		return response;
+	}
+
+
+	protected static JSONObject getObject(@NotNull String httpURL, @Nullable String token) throws IOException {
+		return new JSONObject(getResponse(httpURL, token));
+	}
+
+	protected static JSONArray getArray(@NotNull String httpURL, String token) throws IOException {
+		return new JSONArray(getResponse(httpURL, token));
+	}
+
+	protected static File download(@NotNull String httpURL, @Nullable String token,
 								   @NotNull String path, CopyOption... copyOptions) throws IOException {
-		URL url = new URL(urlString);
 		Path target = Paths.get(path);
 
-		URLConnection conn = url.openConnection();
-		conn.setRequestProperty("User-Agent", "GithubReleases4J");
-		if (token != null) {
-			conn.setRequestProperty("Authorization", "token " + token);
-		}
-		conn.setRequestProperty("Accept", "application/vnd.github.v3+json");
-
-		InputStream in = conn.getInputStream();
+		URLConnection connection = createConnection(httpURL, token);
+		InputStream in = connection.getInputStream();
 
 		Files.copy(in, target, copyOptions);
 		in.close();

src/main/java/cc/carm/lib/githubreleases4j/GithubAsset.java

@@ -84,23 +84,23 @@ public class GithubAsset {
 	/**
 	 * Download this asset to current path with original name.
 	 *
+	 * @param options Copy options e.g. {@link java.nio.file.StandardCopyOption}
 	 * @return Downloaded file.
 	 * @throws IOException Throws when has any io exception
 	 */
-	public File download() throws IOException {
-		return download(null);
+	public File download(@NotNull CopyOption... options) throws IOException {
+		return GitHubHttpUtils.download(getBrowserDownloadURL(), getSource().getAuthToken(), getName(), options);
 	}
 
 	/**
 	 * Download this asset with provided path and name.
 	 *
-	 * @param path target path, e.g. "cache/build.zip"
-	 * @param options Copy options
+	 * @param path    target path with file suffix , e.g. "cache/build.zip"
+	 * @param options Copy options e.g. {@link java.nio.file.StandardCopyOption}
 	 * @return Downloaded file.
 	 * @throws IOException Throws when has any io exception
 	 */
-	public File download(@Nullable String path, CopyOption... options) throws IOException {
-		path = path == null ? getName() : path;
+	public File download(@NotNull String path, @NotNull CopyOption... options) throws IOException {
 		return GitHubHttpUtils.download(getBrowserDownloadURL(), getSource().getAuthToken(), path, options);
 	}
 

src/main/java/cc/carm/lib/githubreleases4j/GithubRelease.java

@@ -135,7 +135,7 @@ public class GithubRelease {
 	 *
 	 * @return The author user {@link GithubUser}
 	 */
-	public GithubUser getAuthor() {
+	public @Nullable GithubUser getAuthor() {
 		return Optional.ofNullable(getContents().getJSONObject("author"))
 				.map(GithubUser::of)
 				.orElse(null);
@@ -146,7 +146,7 @@ public class GithubRelease {
 	 *
 	 * @return {@link GithubAsset}
 	 */
-	public List<GithubAsset> getAssets() {
+	public @NotNull List<GithubAsset> getAssets() {
 		JSONArray assetsArray = getContents().getJSONArray("assets");
 		if (assetsArray == null) return new ArrayList<>();
 		return IntStream.range(0, assetsArray.length())

src/test/java/GithubReleasesTest.java

@@ -6,6 +6,7 @@ import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.StandardCopyOption;
 import java.text.SimpleDateFormat;
 import java.util.List;
 
@@ -48,7 +49,7 @@ public class GithubReleasesTest {
 		if (!DOWNLOAD) return;
 		if (assets == null) return;
 		try {
-			File file = assets.download(null);
+			File file = assets.download();
 			System.out.println("- at " + file.getAbsolutePath());
 		} catch (IOException e) {
 			e.printStackTrace();