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/******************************************************************************
* Copyright (c) 2011 GitHub Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
*****************************************************************************/
package org.eclipse.egit.ui.internal.commit;
import java.io.IOException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.UIIcons;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectLoader;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.notes.Note;
import org.eclipse.jgit.notes.NoteMap;
import org.eclipse.jgit.util.IO;
import org.eclipse.jgit.util.RawParseUtils;
import org.eclipse.ui.model.IWorkbenchAdapter;
/**
* Repository commit note class.
*/
public class RepositoryCommitNote extends PlatformObject implements
IWorkbenchAdapter {
private RepositoryCommit commit;
private Ref ref;
private Note note;
/**
* Create repository commit note
*
* @param commit
* @param ref
* @param note
*/
public RepositoryCommitNote(RepositoryCommit commit, Ref ref, Note note) {
Assert.isNotNull(commit, "Commit cannot be null"); //$NON-NLS-1$
Assert.isNotNull(ref, "Ref cannot be null"); //$NON-NLS-1$
Assert.isNotNull(note, "Note cannot be null"); //$NON-NLS-1$
this.commit = commit;
this.ref = ref;
this.note = note;
}
/**
* Get note text. This method open and read the note blob each time it is
* called.
*
* @return note text or empty string if lookup failed.
*/
public String getNoteText() {
try {
ObjectLoader loader = commit.getRepository().open(note.getData(),
Constants.OBJ_BLOB);
byte[] contents;
if (loader.isLarge())
contents = IO.readWholeStream(loader.openStream(),
(int) loader.getSize()).array();
else
contents = loader.getCachedBytes();
return RawParseUtils.decode(contents);
} catch (IOException e) {
Activator.logError("Error loading note text", e); //$NON-NLS-1$
}
return ""; //$NON-NLS-1$
}
@Override
public Object getAdapter(Class adapter) {
if (RepositoryCommit.class == adapter)
return this.commit;
if (Repository.class == adapter)
return this.commit.getRepository();
return super.getAdapter(adapter);
}
@Override
public Object[] getChildren(Object o) {
return new Object[0];
}
@Override
public ImageDescriptor getImageDescriptor(Object object) {
return UIIcons.NOTE;
}
@Override
public String getLabel(Object o) {
return NoteMap.shortenRefName(ref.getName());
}
@Override
public Object getParent(Object o) {
return commit;
}
}
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