/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.models;
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import java.io.IOException;
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import java.io.Serializable;
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import org.eclipse.jgit.diff.DiffEntry;
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import org.eclipse.jgit.diff.DiffEntry.ChangeType;
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import org.eclipse.jgit.errors.IncorrectObjectTypeException;
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import org.eclipse.jgit.errors.MissingObjectException;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.FileMode;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevWalk;
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import com.gitblit.manager.FilestoreManager;
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import com.gitblit.utils.JGitUtils;
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/**
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* PathModel is a serializable model class that represents a file or a folder,
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* including all its metadata and associated commit id.
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*
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* @author James Moger
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*
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*/
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public class PathModel implements Serializable, Comparable<PathModel> {
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private static final long serialVersionUID = 1L;
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public final String name;
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public final String path;
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private final FilestoreModel filestoreItem;
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public final long size;
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public final int mode;
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public final String objectId;
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public final String commitId;
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public boolean isParentPath;
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public PathModel(String name, String path, FilestoreModel filestoreItem, long size, int mode, String objectId, String commitId) {
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this.name = name;
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this.path = path;
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this.filestoreItem = filestoreItem;
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this.size = (filestoreItem == null) ? size : filestoreItem.getSize();
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this.mode = mode;
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this.objectId = objectId;
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this.commitId = commitId;
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}
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public boolean isSymlink() {
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return FileMode.SYMLINK.equals(mode);
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}
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public boolean isSubmodule() {
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return FileMode.GITLINK.equals(mode);
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}
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public boolean isTree() {
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return FileMode.TREE.equals(mode);
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}
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public boolean isFile() {
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return FileMode.REGULAR_FILE.equals(mode)
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|| FileMode.EXECUTABLE_FILE.equals(mode)
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|| (FileMode.MISSING.equals(mode) && !isSymlink() && !isSubmodule() && !isTree());
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}
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public boolean isFilestoreItem() {
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return filestoreItem != null;
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}
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public String getFilestoreOid() {
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if (filestoreItem != null) {
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return filestoreItem.oid;
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}
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return null;
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}
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@Override
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public int hashCode() {
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return commitId.hashCode() + path.hashCode();
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof PathModel) {
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PathModel other = (PathModel) o;
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return this.path.equals(other.path);
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}
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return super.equals(o);
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}
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@Override
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public int compareTo(PathModel o) {
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boolean isTree = isTree();
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boolean otherTree = o.isTree();
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if (isTree && otherTree) {
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return path.compareTo(o.path);
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} else if (!isTree && !otherTree) {
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if (isSubmodule() && o.isSubmodule()) {
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return path.compareTo(o.path);
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} else if (isSubmodule()) {
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return -1;
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} else if (o.isSubmodule()) {
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return 1;
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}
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return path.compareTo(o.path);
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} else if (isTree && !otherTree) {
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return -1;
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}
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return 1;
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}
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/**
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* PathChangeModel is a serializable class that represents a file changed in
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* a commit.
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*
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* @author James Moger
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*
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*/
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public static class PathChangeModel extends PathModel {
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private static final long serialVersionUID = 1L;
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public ChangeType changeType;
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public int insertions;
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public int deletions;
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public PathChangeModel(String name, String path, FilestoreModel filestoreItem, long size, int mode, String objectId,
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String commitId, ChangeType type) {
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super(name, path, filestoreItem, size, mode, objectId, commitId);
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this.changeType = type;
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}
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public void update(char op) {
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switch (op) {
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case '+':
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insertions++;
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break;
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case '-':
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deletions++;
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break;
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default:
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break;
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}
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}
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@Override
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public int hashCode() {
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return super.hashCode();
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}
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@Override
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public boolean equals(Object o) {
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return super.equals(o);
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}
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public static PathChangeModel from(DiffEntry diff, String commitId, Repository repository) {
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PathChangeModel pcm;
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FilestoreModel filestoreItem = null;
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long size = 0;
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if (repository != null) {
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try (RevWalk revWalk = new RevWalk(repository)) {
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size = revWalk.getObjectReader().getObjectSize(diff.getNewId().toObjectId(), Constants.OBJ_BLOB);
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if (JGitUtils.isPossibleFilestoreItem(size)) {
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filestoreItem = JGitUtils.getFilestoreItem(revWalk.getObjectReader().open(diff.getNewId().toObjectId()));
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (diff.getChangeType().equals(ChangeType.DELETE)) {
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pcm = new PathChangeModel(diff.getOldPath(), diff.getOldPath(), filestoreItem, size, diff
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.getNewMode().getBits(), diff.getOldId().name(), commitId, diff
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.getChangeType());
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} else if (diff.getChangeType().equals(ChangeType.RENAME)) {
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pcm = new PathChangeModel(diff.getOldPath(), diff.getNewPath(), filestoreItem, size, diff
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.getNewMode().getBits(), diff.getNewId().name(), commitId, diff
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.getChangeType());
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} else {
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pcm = new PathChangeModel(diff.getNewPath(), diff.getNewPath(), filestoreItem, size, diff
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.getNewMode().getBits(), diff.getNewId().name(), commitId, diff
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.getChangeType());
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}
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return pcm;
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}
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}
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}
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