org.rapidoid.env.RootContext Maven / Gradle / Ivy
/*-
* #%L
* rapidoid-commons
* %%
* Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
package org.rapidoid.env;
import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.log.Log;
import org.rapidoid.u.U;
import org.rapidoid.util.Msc;
import java.io.File;
@Authors("Nikolche Mihajlovski")
@Since("5.4.6")
public class RootContext extends RapidoidThing {
private final String root;
private RootContext(String root) {
this.root = root;
}
public String root() {
return root;
}
public static RootContext from(String root) {
if (root != null) {
File dir = new File(root);
if (dir.exists()) {
int count = getAppResourcesCount(dir);
Log.info("Setting root path", "!root", root, "items", count);
} else {
Log.warn("Setting non-existing root path", "!root", root);
}
}
return new RootContext(root);
}
private static int getAppResourcesCount(File dir) {
int count = 0;
if (dir.isDirectory()) {
File[] files = dir.listFiles();
if (files != null) {
for (File file : files) {
if (Msc.isAppResource(file.getName())) count++;
}
} else {
throw U.rte("Couldn't access the root path: " + dir.getAbsolutePath());
}
} else {
throw U.rte("The configured root path must be a folder: " + dir.getAbsolutePath());
}
return count;
}
}