/*
* Copyright 2003-2011 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 jetbrains.mps;
import com.intellij.idea.MainImpl;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.util.BuildNumber;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.newvfs.persistent.FSRecords;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Properties;
@SuppressWarnings({"UnusedDeclaration"})
public class MPSMainImpl {
public static void start(final String[] args) {
ensureCachesInvalidatedIfRunningNewerBuild();
try {
Class mainImplCls = MainImpl.class;
Method method = mainImplCls.getDeclaredMethod("start", String[].class);
method.setAccessible(true);
method.invoke(null, new Object[]{args});
} catch (Exception e) {
e.printStackTrace();
}
}
private static void ensureCachesInvalidatedIfRunningNewerBuild () {
try {
File buildNumberFile = new File(PathManager.getHomePath(), "build.number");
if (!buildNumberFile.exists()) {
// no way, we don't even know our own build number. bail.
return;
}
Properties buildNumber = new Properties();
buildNumber.load(new BufferedInputStream (new FileInputStream(buildNumberFile)));
BuildNumber runningBuild = BuildNumber.fromString(buildNumber.getProperty("build.number"));
File lastBuildFile = new File(PathManager.getSystemPath(), "lastbuild.txt");
if (lastBuildFile.exists()) {
BuildNumber lastBuild = BuildNumber.fromString(new String(FileUtil.loadFileText(lastBuildFile)).trim());
if (lastBuild.compareTo(runningBuild) >= 0) {
// alrighty
return;
}
}
// either the lastbuild.txt doesn't exist or we're indeed running a newer build
FSRecords.invalidateCaches();
FileUtil.writeToFile(lastBuildFile, runningBuild.asString().getBytes());
} catch (IOException e) {
// aww crap, screw it all!
}
}
}