Example usage for org.eclipse.jgit.patch HunkHeader getBuffer

Introduction

In this page you can find the example usage for org.eclipse.jgit.patch HunkHeader getBuffer.

Prototype

public byte[] getBuffer() 

Source Link

Document

Get the byte array holding this hunk's patch script.

Usage

From source file:MySmartApply.java

License:Eclipse Distribution License

/**
 * @param f// w w w  .j a v a 2 s  .c  o m
 * @param fh
 * @throws IOException
 * @throws PatchApplyException
 */
private void apply(File f, FileHeader fh) throws IOException, PatchApplyException {

    if (failed_files.contains(f))
        return;

    RawText rt = new RawText(f);

    List<String> oldLines = new ArrayList<String>(rt.size());

    for (int i = 0; i < rt.size(); i++)
        oldLines.add(rt.getString(i));

    List<String> newLines = new ArrayList<String>(oldLines);

    for (HunkHeader hh : fh.getHunks()) {
        StringBuilder hunk = new StringBuilder();

        for (int j = hh.getStartOffset(); j < hh.getEndOffset(); j++)
            hunk.append((char) hh.getBuffer()[j]);

        RawText hrt = new RawText(hunk.toString().getBytes());

        List<String> hunkLines = new ArrayList<String>(hrt.size());

        for (int i = 0; i < hrt.size(); i++) {
            String line = hrt.getString(i);

            line = removeInvalidChars(line);

            hunkLines.add(line);
        }

        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {

            String hunkLine = hunkLines.get(j);

            // We need the comparison only in case of removing a line or do nothing with it.
            String newLine = null;
            if (hunkLine.charAt(0) == ' ' || hunkLine.charAt(0) == '-')
                newLine = removeInvalidChars(newLines.get(hh.getNewStartLine() - 1 + pos));

            switch (hunkLine.charAt(0)) {

            case ' ':
                if (!newLine.equals(hunkLine.substring(1))) {
                    failed_files.add(f);
                    if (listener != null)
                        listener.failed();
                    return;
                }
                pos++;
                break;
            case '-':
                if (!newLine.equals(hunkLine.substring(1))) {
                    failed_files.add(f);
                    if (listener != null)
                        listener.failed();
                    return;
                }
                newLines.remove(hh.getNewStartLine() - 1 + pos);
                break;
            case '+':
                newLines.add(hh.getNewStartLine() - 1 + pos, hunkLine.substring(1));
                pos++;
                break;
            }
        }
    }

    if (!isNoNewlineAtEndOfFile(fh))
        newLines.add(""); //$NON-NLS-1$
    if (!rt.isMissingNewlineAtEnd())
        oldLines.add(""); //$NON-NLS-1$
    if (!isChanged(oldLines, newLines))
        return; // don't touch the file
    StringBuilder sb = new StringBuilder();
    for (String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    FileWriter fw = new FileWriter(f);
    fw.write(sb.toString());
    fw.close();

    if (listener != null)
        listener.done();
}

---

From source file:MySmartApply.java

License:Eclipse Distribution License

private boolean isNoNewlineAtEndOfFile(FileHeader fh) {

    // ... ///*from  w w w.  j a  v a2 s  .  c o m*/

    if (fh.getHunks().size() == 0)
        return false;

    // ... //

    HunkHeader lastHunk = fh.getHunks().get(fh.getHunks().size() - 1);
    RawText lhrt = new RawText(lastHunk.getBuffer());
    return lhrt.getString(lhrt.size() - 1).equals("\\ No newline at end of file"); //$NON-NLS-1$
}

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From source file:de.codesourcery.gittimelapse.TextFile.java

License:Apache License

public void forwardsPatchAndAlign(Patch patch) throws IOException, PatchApplyException {
    if (patch.getFiles().size() != 1) {
        throw new IllegalArgumentException("Patch needs to contain exactly 1 FileHeader");
    }//from w  ww .  ja  va  2  s. c o m
    final FileHeader fh = patch.getFiles().get(0);

    final List<String> oldLines = new ArrayList<String>(rawText.size());
    for (int i = 0; i < rawText.size(); i++) {
        oldLines.add(rawText.getString(i));
    }

    final List<String> newLines = new ArrayList<String>(oldLines);
    for (final HunkHeader hunkHeader : fh.getHunks()) {
        final StringBuilder hunk = new StringBuilder();
        for (int j = hunkHeader.getStartOffset(); j < hunkHeader.getEndOffset(); j++) {
            hunk.append((char) hunkHeader.getBuffer()[j]);
        }

        final RawText hunkRawText = new RawText(hunk.toString().getBytes());

        final List<String> hunkLines = new ArrayList<String>(hunkRawText.size());
        for (int i = 0; i < hunkRawText.size(); i++) {
            hunkLines.add(hunkRawText.getString(i));
        }

        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {
            final String hunkLine = hunkLines.get(j);
            switch (hunkLine.charAt(0)) {
            case ' ': // context line
                pos++;
                break;
            case '-': // line removed
                changesByLine.put(hunkHeader.getNewStartLine() - 1 + pos, ChangeType.DELETED);
                pos++;
                break;
            case '+': // line added
                changesByLine.put(hunkHeader.getNewStartLine() - 1 + pos, ChangeType.ADDED);
                newLines.add(hunkHeader.getNewStartLine() - 1 + pos, "               "); // JTextPane uses a colored background so we need to have SOMETHING on this line
                pos++;
                break;
            }
        }
    }
    if (!isNoNewlineAtEndOfFile(fh)) {
        newLines.add(""); //$NON-NLS-1$
    }
    if (!rawText.isMissingNewlineAtEnd()) {
        oldLines.add(""); //$NON-NLS-1$
    }
    final StringBuilder sb = new StringBuilder();
    for (final String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    setText(sb.toString());
}

---

From source file:de.codesourcery.gittimelapse.TextFile.java

License:Apache License

private static boolean isNoNewlineAtEndOfFile(FileHeader fh) {
    final HunkHeader lastHunk = fh.getHunks().get(fh.getHunks().size() - 1);
    final RawText lhrt = new RawText(lastHunk.getBuffer());
    return lhrt.getString(lhrt.size() - 1).equals("\\ No newline at end of file"); //$NON-NLS-1$
}

---

From source file:de.codesourcery.gittimelapse.TextFile.java

License:Apache License

public void backwardsPatchAndAlign(Patch patch) throws IOException, PatchApplyException {
    if (patch.getFiles().size() != 1) {
        throw new IllegalArgumentException("Patch needs to contain exactly one FileHeader");
    }/*from  w  w  w. ja v  a2 s  .co m*/

    final FileHeader fh = patch.getFiles().get(0);
    final List<String> oldLines = new ArrayList<String>(rawText.size());
    for (int i = 0; i < rawText.size(); i++) {
        oldLines.add(rawText.getString(i));
    }

    final List<String> newLines = new ArrayList<String>(oldLines);
    for (final HunkHeader hunkHeader : fh.getHunks()) {
        final StringBuilder hunk = new StringBuilder();
        for (int j = hunkHeader.getStartOffset(); j < hunkHeader.getEndOffset(); j++) {
            hunk.append((char) hunkHeader.getBuffer()[j]);
        }

        final RawText hunkRawText = new RawText(hunk.toString().getBytes());

        final List<String> hunkLines = new ArrayList<String>(hunkRawText.size());
        for (int i = 0; i < hunkRawText.size(); i++) {
            hunkLines.add(hunkRawText.getString(i));
        }

        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {
            final String hunkLine = hunkLines.get(j);
            switch (hunkLine.charAt(0)) {
            case ' ':
                pos++;
                break;
            case '+':
                changesByLine.put(hunkHeader.getNewStartLine() - 1 + pos, ChangeType.DELETED);
                newLines.add(hunkHeader.getNewStartLine() - 1 + pos, "               ");
                pos++;
                break;
            case '-':
                changesByLine.put(hunkHeader.getNewStartLine() - 1 + pos, ChangeType.ADDED);
                pos++;
                break;
            }
        }
    }
    if (!isNoNewlineAtEndOfFile(fh)) {
        newLines.add(""); //$NON-NLS-1$
    }
    if (!rawText.isMissingNewlineAtEnd()) {
        oldLines.add(""); //$NON-NLS-1$
    }

    final StringBuilder sb = new StringBuilder();
    for (final String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    setText(sb.toString());
}

---

From source file:de.codesourcery.gittimelapse.TextFile.java

License:Apache License

public void backwardsPatch(Patch patch) throws IOException, PatchApplyException {
    if (patch.getFiles().size() != 1) {
        throw new IllegalArgumentException("Patch needs to contain exactly one FileHeader");
    }/*from  www . j  a va 2s.  co m*/

    final FileHeader fh = patch.getFiles().get(0);

    final List<String> oldLines = new ArrayList<String>(rawText.size());
    for (int i = 0; i < rawText.size(); i++) {
        oldLines.add(rawText.getString(i));
    }
    final List<String> newLines = new ArrayList<String>(oldLines);
    for (final HunkHeader hh : fh.getHunks()) {
        final StringBuilder hunk = new StringBuilder();
        for (int j = hh.getStartOffset(); j < hh.getEndOffset(); j++) {
            hunk.append((char) hh.getBuffer()[j]);
        }
        final RawText hrt = new RawText(hunk.toString().getBytes());
        final List<String> hunkLines = new ArrayList<String>(hrt.size());
        for (int i = 0; i < hrt.size(); i++) {
            hunkLines.add(hrt.getString(i));
        }
        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {
            final String hunkLine = hunkLines.get(j);
            switch (hunkLine.charAt(0)) {
            case ' ':
                if (!newLines.get(hh.getNewStartLine() - 1 + pos).equals(hunkLine.substring(1))) {
                    throw new PatchApplyException(MessageFormat.format(JGitText.get().patchApplyException, hh));
                }
                pos++;
                break;
            case '-':
                if (!newLines.get(hh.getNewStartLine() - 1 + pos).equals(hunkLine.substring(1))) {
                    throw new PatchApplyException(MessageFormat.format(JGitText.get().patchApplyException, hh));
                }
                newLines.remove(hh.getNewStartLine() - 1 + pos);
                break;
            case '+':
                newLines.add(hh.getNewStartLine() - 1 + pos, hunkLine.substring(1));
                changesByLine.put(hh.getNewStartLine() - 1 + pos, ChangeType.ADDED);
                pos++;
                break;
            }
        }
    }
    if (!isNoNewlineAtEndOfFile(fh)) {
        newLines.add(""); //$NON-NLS-1$
    }

    if (!rawText.isMissingNewlineAtEnd()) {
        oldLines.add(""); //$NON-NLS-1$
    }

    final StringBuilder sb = new StringBuilder();
    for (final String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    setText(sb.toString());
}

---

From source file:de.codesourcery.gittimelapse.TextFile.java

License:Apache License

public void forwardsPatch(Patch patch) throws IOException, PatchApplyException {
    if (patch.getFiles().size() != 1) {
        throw new IllegalArgumentException("Patch needs to contain exactly one FileHeader");
    }/*from www . j a v  a 2 s. c o m*/

    final FileHeader fh = patch.getFiles().get(0);

    final List<String> oldLines = new ArrayList<String>(rawText.size());
    for (int i = 0; i < rawText.size(); i++) {
        oldLines.add(rawText.getString(i));
    }
    final List<String> newLines = new ArrayList<String>(oldLines);
    for (final HunkHeader hh : fh.getHunks()) {
        final StringBuilder hunk = new StringBuilder();
        for (int j = hh.getStartOffset(); j < hh.getEndOffset(); j++) {
            hunk.append((char) hh.getBuffer()[j]);
        }
        final RawText hrt = new RawText(hunk.toString().getBytes());
        final List<String> hunkLines = new ArrayList<String>(hrt.size());
        for (int i = 0; i < hrt.size(); i++) {
            hunkLines.add(hrt.getString(i));
        }
        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {
            final String hunkLine = hunkLines.get(j);
            switch (hunkLine.charAt(0)) {
            case ' ':
                pos++;
                break;
            case '-':
                changesByLine.put(hh.getNewStartLine() - 1 + pos, ChangeType.DELETED);
                pos++;
                break;
            case '+':
                break;
            }
        }
    }
    if (!isNoNewlineAtEndOfFile(fh)) {
        newLines.add(""); //$NON-NLS-1$
    }

    if (!rawText.isMissingNewlineAtEnd()) {
        oldLines.add(""); //$NON-NLS-1$
    }

    final StringBuilder sb = new StringBuilder();
    for (final String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    setText(sb.toString());
}

---

From source file:org.eclipse.orion.server.git.patch.ApplyCommand.java

License:Open Source License

private void apply(File f, FileHeader fh, ApplyResult r) throws IOException {
    RawText rt = new RawText(f);
    List<String> oldLines = new ArrayList<String>(rt.size());
    for (int i = 0; i < rt.size(); i++) {
        oldLines.add(rt.getString(i));/*from  w w  w.  j a v a2 s  . co m*/
    }
    List<String> newLines = new ArrayList<String>(oldLines);
    HUNKS: for (HunkHeader hh : fh.getHunks()) {
        StringBuilder hunk = new StringBuilder();
        for (int j = hh.getStartOffset(); j < hh.getEndOffset(); j++) {
            hunk.append((char) hh.getBuffer()[j]);
        }
        RawText hrt = new RawText(hunk.toString().getBytes());
        List<String> hunkLines = new ArrayList<String>(hrt.size());
        for (int i = 0; i < hrt.size(); i++) {
            hunkLines.add(hrt.getString(i));
        }
        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {
            String hunkLine = hunkLines.get(j);
            switch (HunkControlChar.valueOf(hunkLine.charAt(0))) {
            case CONTEXT:
                if (!newLines.get(hh.getNewStartLine() - 1 + pos).equals(hunkLine.substring(1))) {
                    r.addApplyError(new ApplyError(hh, HunkControlChar.CONTEXT));
                    continue HUNKS;
                }
                pos++;
                break;
            case REMOVE:
                if (!newLines.get(hh.getNewStartLine() - 1 + pos).equals(hunkLine.substring(1))) {
                    r.addApplyError(new ApplyError(hh, HunkControlChar.REMOVE));
                    continue HUNKS;
                }
                newLines.remove(hh.getNewStartLine() - 1 + pos);
                break;
            case ADD:
                newLines.add(hh.getNewStartLine() - 1 + pos, hunkLine.substring(1));
                pos++;
                break;
            }
        }
    }
    if (!isChanged(oldLines, newLines))
        return; // don't touch the file

    StringBuilder sb = new StringBuilder();
    for (String l : newLines) {
        sb.append(l).append("\n"); // TODO: proper line ending
    }
    if (isNoNewlineAtEndOfFile(fh))
        sb.deleteCharAt(sb.length() - 1);
    FileWriter fw = new FileWriter(f);
    fw.write(sb.toString());
    fw.close();
}

---

From source file:org.eclipse.orion.server.git.patch.ApplyCommand.java

License:Open Source License

private boolean isNoNewlineAtEndOfFile(FileHeader fh) {
    HunkHeader lastHunk = fh.getHunks().get(fh.getHunks().size() - 1);
    RawText lhrt = new RawText(lastHunk.getBuffer());
    return lhrt.getString(lhrt.size() - 1).equals("\\ No newline at end of file"); //$NON-NLS-1$
}

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