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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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 git4idea.rebase;
import org.apache.xmlrpc.XmlRpcClientLite;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import java.io.File;
import java.util.Arrays;
import java.util.Vector;
/**
* The rebase editor application, this editor is invoked by the git.
* The application passes its parameter using XML RCP service
* registered on the host passed as the first parameter. The application
* exits with exit code returned from the service.
*/
public class GitRebaseEditorMain {
/**
* The environment variable for handler no
*/
@NonNls @NotNull public static final String IDEA_REBASE_HANDER_NO = "IDEA_REBASE_HANDER_NO";
/**
* The exit code used to indicate that editing was canceled or has failed in some other way.
*/
public final static int ERROR_EXIT_CODE = 2;
/**
* Rebase editor handler name
*/
@NonNls static final String HANDLER_NAME = "Git4ideaRebaseEditorHandler";
/**
* The prefix for cygwin files
*/
private static final String CYGDRIVE_PREFIX = "/cygdrive/";
/**
* A private constructor for static class
*/
private GitRebaseEditorMain() {
}
/**
* The application entry point
*
* @param args application arguments
*/
@SuppressWarnings(
{"UseOfSystemOutOrSystemErr", "HardCodedStringLiteral", "CallToPrintStackTrace", "UseOfObsoleteCollectionType"})
public static void main(String[] args) {
if (args.length != 2) {
System.err.println("Invalid amount of arguments: " + Arrays.asList(args));
System.exit(ERROR_EXIT_CODE);
}
int port;
try {
port = Integer.parseInt(args[0]);
}
catch (NumberFormatException ex) {
System.err.println("Invalid port number: " + args[0]);
System.exit(ERROR_EXIT_CODE);
return;
}
final String handlerValue = System.getenv(IDEA_REBASE_HANDER_NO);
if (handlerValue == null) {
System.err.println("Handler no is not specified");
System.exit(ERROR_EXIT_CODE);
}
int handler;
try {
handler = Integer.parseInt(handlerValue);
}
catch (NumberFormatException ex) {
System.err.println("Invalid handler number: " + handlerValue);
System.exit(ERROR_EXIT_CODE);
return;
}
String file = args[1];
try {
XmlRpcClientLite client = new XmlRpcClientLite("127.0.0.1", port);
Vector<Object> params = new Vector<Object>();
params.add(handler);
if (System.getProperty("os.name").toLowerCase().startsWith("windows") && file.startsWith(CYGDRIVE_PREFIX)) {
int p = CYGDRIVE_PREFIX.length();
file = file.substring(p, p + 1) + ":" + file.substring(p + 1);
}
params.add(new File(file).getAbsolutePath());
Integer exitCode = (Integer)client.execute(HANDLER_NAME + ".editCommits", params);
if (exitCode == null) {
exitCode = ERROR_EXIT_CODE;
}
System.exit(exitCode.intValue());
}
catch (Exception e) {
System.err.println("Unable to contact IDEA: " + e);
e.printStackTrace();
System.exit(ERROR_EXIT_CODE);
}
}
}
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