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Read header using direct stream

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This commit is contained in:
René Pfeuffer
2018-08-14 17:31:27 +02:00
parent c8c1cad67f
commit c3a455145a
3 changed files with 36 additions and 5 deletions
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20
scm-webapp/src/main/java/sonia/scm/api/v2/resources/ContentResource.java
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@@ -10,6 +10,7 @@ import sonia.scm.repository.RepositoryException;
import sonia.scm.repository.RepositoryNotFoundException;
import sonia.scm.repository.api.RepositoryService;
import sonia.scm.repository.api.RepositoryServiceFactory;
import sonia.scm.util.IOUtil;
import javax.inject.Inject;
import javax.ws.rs.GET;
@@ -20,12 +21,14 @@ import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.StreamingOutput;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
public class ContentResource {
private static final Logger LOG = LoggerFactory.getLogger(ContentResource.class);
private static final int HEAD_BUFFER_SIZE = 1024;
private final RepositoryServiceFactory serviceFactory;
@@ -98,8 +101,17 @@ public class ContentResource {
}
private byte[] getHead(String revision, String path, RepositoryService repositoryService) throws IOException, RepositoryException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
repositoryService.getCatCommand().setRevision(revision).retriveContent(outputStream, path);
return outputStream.toByteArray();
InputStream stream = repositoryService.getCatCommand().setRevision(revision).getStream(path);
try {
byte[] buffer = new byte[HEAD_BUFFER_SIZE];
int length = stream.read(buffer);
if (length < buffer.length) {
return Arrays.copyOf(buffer, length);
} else {
return buffer;
}
} finally {
IOUtil.close(stream);
}
}
}