[Add] PixivUgoiraBuilder 增加方法'buildUgoira(OutputStream, boolean)'以提供输出流给Builder输出已构建的动图数据;

[Add] PixivUgoiraBuilder 增加方法'getUgoiraMeta():JsonObject'方法, 可通过该方法获取动图元数据;

src/test/java/net/lamgc/cgj/pixiv/PixivUgoiraBuilderTest.java

@@ -6,6 +6,7 @@ import org.apache.http.impl.client.HttpClientBuilder;
 import org.bouncycastle.util.io.Streams;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
@@ -20,6 +21,7 @@ public class PixivUgoiraBuilderTest {
         File outputFile = new File("./output2.gif");
         CloseableHttpClient httpClient = HttpClientBuilder.create().setProxy(new HttpHost("127.0.0.1", 1001)).build();
         PixivUgoiraBuilder builder = new PixivUgoiraBuilder(httpClient, 80766493);
+        LoggerFactory.getLogger(PixivUgoiraBuilderTest.class).info("UgoiraMeta: {}", builder.getUgoiraMeta());
         InputStream inputStream = builder.buildUgoira(true);
         Files.write(outputFile.toPath(), Streams.readAll(inputStream));
     }