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// Copyright 2008 Google Inc.
//
// 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.codereview.manager.unpack;
import static org.spearce.jgit.lib.Constants.encodeASCII;
import com.google.codereview.internal.UploadPatchsetFile.UploadPatchsetFileRequest.StatusType;
import org.spearce.jgit.lib.AnyObjectId;
import org.spearce.jgit.lib.ObjectId;
import java.util.ArrayList;
import java.util.List;
/** Computed difference for a single file. */
class FileDiff {
private ObjectId baseId;
private ObjectId finalId;
private String filename;
private boolean binary;
private boolean truncated;
private List<byte[]> lines = new ArrayList<byte[]>();
private StatusType status = StatusType.MODIFY;
private int linesSize;
ObjectId getBaseId() {
return baseId;
}
void setBaseId(final AnyObjectId id) {
baseId = id.toObjectId();
}
ObjectId getFinalId() {
return finalId;
}
void setFinalId(final AnyObjectId id) {
finalId = id.toObjectId();
}
String getFilename() {
return filename;
}
void setFilename(final String name) {
filename = name;
}
StatusType getStatus() {
return status;
}
void setStatus(final StatusType t) {
status = t;
}
boolean isBinary() {
return binary;
}
void setBinary(final boolean b) {
binary = b;
}
boolean isTruncated() {
return truncated;
}
void setTruncated(final boolean b) {
truncated = b;
}
byte[] getPatch() {
final byte[] r = new byte[linesSize + lines.size()];
int pos = 0;
for (final byte[] line : lines) {
System.arraycopy(line, 0, r, pos, line.length);
pos += line.length;
r[pos++] = '\n';
}
return r;
}
int getPatchSize() {
return linesSize;
}
void appendLine(final byte[] line) {
lines.add(line);
linesSize += line.length;
}
void truncatePatch() {
final List<byte[]> oldLines = lines;
linesSize = 0;
lines = new ArrayList<byte[]>();
for (final byte[] b : oldLines) {
appendLine(b);
if (DiffReader.match(DiffReader.H_NEWPATH, b, 0)) {
appendLine(encodeASCII("File content is too large to display"));
break;
}
}
}
}
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