Example usage for org.eclipse.jgit.util TemporaryBuffer.Heap toByteArray

Introduction

In this page you can find the example usage for org.eclipse.jgit.util TemporaryBuffer.Heap toByteArray.

Prototype

public byte[] toByteArray() throws IOException 

Source Link

Document

Convert this buffer's contents into a contiguous byte array.

Usage

From source file:com.google.gerrit.server.mail.ChangeEmail.java

License:Apache License

/** Show patch set as unified difference. */
public String getUnifiedDiff() {
    PatchList patchList;// ww w . ja v a  2  s . c o m
    try {
        patchList = getPatchList();
        if (patchList.getOldId() == null) {
            // Octopus merges are not well supported for diff output by Gerrit.
            // Currently these always have a null oldId in the PatchList.
            return "[Octopus merge; cannot be formatted as a diff.]\n";
        }
    } catch (PatchListNotAvailableException e) {
        log.error("Cannot format patch", e);
        return "";
    }

    int maxSize = args.settings.maximumDiffSize;
    TemporaryBuffer.Heap buf = new TemporaryBuffer.Heap(Math.min(HEAP_EST_SIZE, maxSize), maxSize);
    try (DiffFormatter fmt = new DiffFormatter(buf)) {
        try (Repository git = args.server.openRepository(change.getProject())) {
            try {
                fmt.setRepository(git);
                fmt.setDetectRenames(true);
                fmt.format(patchList.getOldId(), patchList.getNewId());
                return RawParseUtils.decode(buf.toByteArray());
            } catch (IOException e) {
                if (JGitText.get().inMemoryBufferLimitExceeded.equals(e.getMessage())) {
                    return "";
                }
                log.error("Cannot format patch", e);
                return "";
            }
        } catch (IOException e) {
            log.error("Cannot open repository to format patch", e);
            return "";
        }
    }
}

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From source file:com.google.gerrit.server.mail.NewChangeSender.java

License:Apache License

/** Show patch set as unified difference.  */
public String getUnifiedDiff() {
    PatchList patchList;/*  ww  w  . j  a v  a 2  s  .  co m*/
    try {
        patchList = getPatchList();
        if (patchList.getOldId() == null) {
            // Octopus merges are not well supported for diff output by Gerrit.
            // Currently these always have a null oldId in the PatchList.
            return "";
        }
    } catch (PatchListNotAvailableException e) {
        log.error("Cannot format patch", e);
        return "";
    }

    TemporaryBuffer.Heap buf = new TemporaryBuffer.Heap(args.settings.maximumDiffSize);
    DiffFormatter fmt = new DiffFormatter(buf);
    Repository git;
    try {
        git = args.server.openRepository(change.getProject());
    } catch (IOException e) {
        log.error("Cannot open repository to format patch", e);
        return "";
    }
    try {
        fmt.setRepository(git);
        fmt.setDetectRenames(true);
        fmt.format(patchList.getOldId(), patchList.getNewId());
        return RawParseUtils.decode(buf.toByteArray());
    } catch (IOException e) {
        if (JGitText.get().inMemoryBufferLimitExceeded.equals(e.getMessage())) {
            return "";
        }
        log.error("Cannot format patch", e);
        return "";
    } finally {
        fmt.release();
        git.close();
    }
}

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