blob: 940c9db7248a6cb990f84af430057acf89bbd540 [file] [log] [blame]
// 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.pgm;
import com.google.gerrit.launcher.GerritLauncher;
import com.google.gerrit.pgm.util.AbstractProgram;
import java.io.IOException;
import java.io.InputStream;
import org.kohsuke.args4j.Argument;
/** Dump the contents of a file in our archive. */
public class Cat extends AbstractProgram {
@Argument(index = 0, required = true, metaVar = "FILE", usage = "file to output")
private String fileName;
@Override
public int run() throws IOException {
while (fileName.startsWith("/")) {
fileName = fileName.substring(1);
}
String name;
if (fileName.equals("LICENSES.txt")) {
name = fileName;
} else {
name = "WEB-INF/" + fileName;
}
try (InputStream in = open(name)) {
if (in == null) {
System.err.println("error: no such file " + fileName);
return 1;
}
try {
final byte[] buf = new byte[4096];
int n;
while ((n = in.read(buf)) >= 0) {
System.out.write(buf, 0, n);
}
} finally {
System.out.flush();
}
}
return 0;
}
private InputStream open(String name) {
return GerritLauncher.class.getClassLoader().getResourceAsStream(name);
}
}