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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.patch;
import static org.eclipse.jgit.lib.ObjectIdSerializer.read;
import static org.eclipse.jgit.lib.ObjectIdSerializer.readWithoutMarker;
import static org.eclipse.jgit.lib.ObjectIdSerializer.write;
import static org.eclipse.jgit.lib.ObjectIdSerializer.writeWithoutMarker;
import com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Objects;
import org.eclipse.jgit.lib.ObjectId;
public class DiffSummaryKey implements Serializable {
public static final long serialVersionUID = 1L;
/** see PatchListKey#oldId */
private transient ObjectId oldId;
/** see PatchListKey#parentNum */
private transient Integer parentNum;
private transient ObjectId newId;
private transient Whitespace whitespace;
public static DiffSummaryKey fromPatchListKey(PatchListKey plk) {
return new DiffSummaryKey(
plk.getOldId(), plk.getParentNum(), plk.getNewId(), plk.getWhitespace());
}
private DiffSummaryKey(ObjectId oldId, Integer parentNum, ObjectId newId, Whitespace whitespace) {
this.oldId = oldId;
this.parentNum = parentNum;
this.newId = newId;
this.whitespace = whitespace;
}
PatchListKey toPatchListKey() {
return new PatchListKey(oldId, parentNum, newId, whitespace);
}
@Override
public int hashCode() {
return Objects.hash(oldId, parentNum, newId, whitespace);
}
@Override
public boolean equals(Object o) {
if (o instanceof DiffSummaryKey) {
DiffSummaryKey k = (DiffSummaryKey) o;
return Objects.equals(oldId, k.oldId)
&& Objects.equals(parentNum, k.parentNum)
&& Objects.equals(newId, k.newId)
&& whitespace == k.whitespace;
}
return false;
}
@Override
public String toString() {
StringBuilder n = new StringBuilder();
n.append("DiffSummaryKey[");
n.append(oldId != null ? oldId.name() : "BASE");
n.append("..");
n.append(newId.name());
n.append(" ");
if (parentNum != null) {
n.append(parentNum);
n.append(" ");
}
n.append(whitespace.name());
n.append("]");
return n.toString();
}
private void writeObject(ObjectOutputStream out) throws IOException {
write(out, oldId);
out.writeInt(parentNum == null ? 0 : parentNum);
writeWithoutMarker(out, newId);
Character c = PatchListKey.WHITESPACE_TYPES.get(whitespace);
if (c == null) {
throw new IOException("Invalid whitespace type: " + whitespace);
}
out.writeChar(c);
}
private void readObject(ObjectInputStream in) throws IOException {
oldId = read(in);
int n = in.readInt();
parentNum = n == 0 ? null : Integer.valueOf(n);
newId = readWithoutMarker(in);
char t = in.readChar();
whitespace = PatchListKey.WHITESPACE_TYPES.inverse().get(t);
if (whitespace == null) {
throw new IOException("Invalid whitespace type code: " + t);
}
}
}