139 lines
4.0 KiB
Java
139 lines
4.0 KiB
Java
// Copyright (C) 2009 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 com.google.common.base.Preconditions.checkState;
|
|
import static org.eclipse.jgit.lib.ObjectIdSerialization.readCanBeNull;
|
|
import static org.eclipse.jgit.lib.ObjectIdSerialization.readNotNull;
|
|
import static org.eclipse.jgit.lib.ObjectIdSerialization.writeCanBeNull;
|
|
import static org.eclipse.jgit.lib.ObjectIdSerialization.writeNotNull;
|
|
|
|
import com.google.common.collect.BiMap;
|
|
import com.google.common.collect.ImmutableBiMap;
|
|
import com.google.gerrit.common.Nullable;
|
|
import com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace;
|
|
|
|
import org.eclipse.jgit.lib.AnyObjectId;
|
|
import org.eclipse.jgit.lib.ObjectId;
|
|
|
|
import java.io.IOException;
|
|
import java.io.ObjectInputStream;
|
|
import java.io.ObjectOutputStream;
|
|
import java.io.Serializable;
|
|
|
|
public class PatchListKey implements Serializable {
|
|
static final long serialVersionUID = 18L;
|
|
|
|
public static final BiMap<Whitespace, Character> WHITESPACE_TYPES = ImmutableBiMap.of(
|
|
Whitespace.IGNORE_NONE, 'N',
|
|
Whitespace.IGNORE_TRAILING, 'E',
|
|
Whitespace.IGNORE_LEADING_AND_TRAILING, 'S',
|
|
Whitespace.IGNORE_ALL, 'A');
|
|
|
|
static {
|
|
checkState(WHITESPACE_TYPES.size() == Whitespace.values().length);
|
|
}
|
|
|
|
private transient ObjectId oldId;
|
|
private transient ObjectId newId;
|
|
private transient Whitespace whitespace;
|
|
|
|
public PatchListKey(AnyObjectId a, AnyObjectId b, Whitespace ws) {
|
|
oldId = a != null ? a.copy() : null;
|
|
newId = b.copy();
|
|
whitespace = ws;
|
|
}
|
|
|
|
/** Old side commit, or null to assume ancestor or combined merge. */
|
|
@Nullable
|
|
public ObjectId getOldId() {
|
|
return oldId;
|
|
}
|
|
|
|
/** New side commit name. */
|
|
public ObjectId getNewId() {
|
|
return newId;
|
|
}
|
|
|
|
public Whitespace getWhitespace() {
|
|
return whitespace;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
int h = 0;
|
|
|
|
if (oldId != null) {
|
|
h = h * 31 + oldId.hashCode();
|
|
}
|
|
|
|
h = h * 31 + newId.hashCode();
|
|
h = h * 31 + whitespace.name().hashCode();
|
|
|
|
return h;
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(final Object o) {
|
|
if (o instanceof PatchListKey) {
|
|
final PatchListKey k = (PatchListKey) o;
|
|
return eq(oldId, k.oldId) //
|
|
&& eq(newId, k.newId) //
|
|
&& whitespace == k.whitespace;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
StringBuilder n = new StringBuilder();
|
|
n.append("PatchListKey[");
|
|
n.append(oldId != null ? oldId.name() : "BASE");
|
|
n.append("..");
|
|
n.append(newId.name());
|
|
n.append(" ");
|
|
n.append(whitespace.name());
|
|
n.append("]");
|
|
return n.toString();
|
|
}
|
|
|
|
private static boolean eq(final ObjectId a, final ObjectId b) {
|
|
if (a == null && b == null) {
|
|
return true;
|
|
}
|
|
return a != null && b != null && AnyObjectId.equals(a, b);
|
|
}
|
|
|
|
private void writeObject(final ObjectOutputStream out) throws IOException {
|
|
writeCanBeNull(out, oldId);
|
|
writeNotNull(out, newId);
|
|
Character c = WHITESPACE_TYPES.get(whitespace);
|
|
if (c == null) {
|
|
throw new IOException("Invalid whitespace type: " + whitespace);
|
|
}
|
|
out.writeChar(c);
|
|
}
|
|
|
|
private void readObject(final ObjectInputStream in) throws IOException {
|
|
oldId = readCanBeNull(in);
|
|
newId = readNotNull(in);
|
|
char t = in.readChar();
|
|
whitespace = WHITESPACE_TYPES.inverse().get(t);
|
|
if (whitespace == null) {
|
|
throw new IOException("Invalid whitespace type code: " + t);
|
|
}
|
|
}
|
|
}
|