com.google.gwt.dev.codeserver.AppSpace Maven / Gradle / Ivy
/*
* Copyright 2011 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.gwt.dev.codeserver;
import com.google.gwt.dev.util.Util;
import java.io.File;
import java.io.IOException;
/**
* The directory tree where Super Dev Mode keeps all the files for one GWT app.
* Each time we recompile the app, we create a new subdirectory (see {@link CompileDir}).
* In addition, there are some files that are shared between recompiles, such as
* the unit cache.
*/
class AppSpace {
static final String COMPILE_DIR_PREFIX = "compile-";
private final File root;
/**
* @see #create
*/
private AppSpace(File root) {
this.root = root;
}
File getSpeedTracerLogFile() {
return new File(root, "speedtracer.html");
}
File getUnitCacheDir() {
return new File(root, "gwt-unitcache");
}
File getCompileDir(int compileId) {
return new File(root, COMPILE_DIR_PREFIX + compileId);
}
/**
* Creates an app directory, doing any cleanup needed.
* @param dir the directory to use. It need not exist, but
* the parent dir should exist.
*/
static AppSpace create(File dir) throws IOException {
if (!dir.exists() && !dir.mkdir()) {
throw new IOException("can't create app directory: " + dir);
}
// clean up existing subdirectories
for (File candidate : dir.listFiles()) {
if (candidate.getName().startsWith(COMPILE_DIR_PREFIX)) {
System.err.println("deleting: " + candidate);
Util.recursiveDelete(candidate, false);
}
}
return new AppSpace(dir);
}
}