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package act.app;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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%
*/
import act.Act;
import org.osgl.util.E;
import org.osgl.util.IO;
import java.io.File;
import static act.app.RuntimeDirs.*;
/**
* Build Application when Act running in DEV mode.
* TODO: we probably don't need to copy resources in DEV mode
*/
class AppBuilder {
// When Act running is other mode than DEV mode, there is no need to
// build an app as the app has already been built and deployed
private static final AppBuilder PLACE_HOLDER = new AppBuilder() {
@Override
public void build() {
// just placeholder
}
};
private final App app;
private final ProjectLayout layout;
private final File appBase;
private File tgtLib;
private File tgtAsset;
private File tgtClasses;
private File tgtConf;
private AppBuilder() {
app = null;
layout = null;
appBase = null;
}
private AppBuilder(App app) {
this.app = app;
this.layout = app.layout();
this.appBase = app.base();
}
public void build() {
prepareTargetDir();
copyFiles();
}
private void prepareTargetDir() {
File target = layout.target(appBase);
verifyDir(target, "target", true);
tgtClasses = verifyDir(new File(target, CLASSES), CLASSES, true);
tgtLib = verifyDir(new File(target, LIB), LIB, true);
tgtAsset = verifyDir(new File(target, ASSET), ASSET, true);
tgtConf = verifyDir(new File(tgtClasses, CONF), CONF, true);
}
private void copyFiles() {
copyLibs();
copyAssets();
copyResources();
copyConf();
copyRoutes();
}
void copyAssets() {
File asset = layout.asset(appBase);
if (null == asset || !asset.canRead()) {
return;
}
verifyDir(asset, "asset", false);
IO.copyDirectory(asset, tgtAsset);
}
void copyResources() {
File resource = layout.resource(appBase);
if (null == resource || !resource.canRead()) {
return;
}
verifyDir(resource, "resource", false);
IO.copyDirectory(resource, tgtClasses);
}
void copyResources(File... files) {
File base = layout.resource(appBase);
int baseLen = base.getAbsolutePath().length();
for (File file : files) {
String path = file.getAbsolutePath().substring(baseLen);
File target = new File(tgtClasses, path);
IO.copyDirectory(file, target);
}
}
void removeResources(File ... files) {
File base = layout.resource(appBase);
int baseLen = base.getAbsolutePath().length();
for (File file : files) {
String path = file.getAbsolutePath().substring(baseLen);
File target = new File(tgtClasses, path);
target.delete();
}
}
void copyRoutes() {
//TODO fix me
// List<File> routes = layout.routeTables(appBase);
// for (File file : routes) {
// if (!file.canRead()) {
// continue;
// }
// //IO.copyDirectory(file, RuntimeDirs.routes(app));
// E.tbd();
// }
}
void copyConf() {
File conf = layout.conf(appBase);
if (null == conf || !conf.canRead()) return;
if (conf.isDirectory()) {
IO.copyDirectory(conf, tgtConf);
} else {
IO.copyDirectory(conf, new File(tgtConf, conf.getName()));
}
}
void copyLibs() {
File lib = layout.lib(appBase);
if (null == lib || !lib.exists()) {
return;
}
verifyDir(lib, "lib", false);
IO.copyDirectory(lib, tgtLib);
}
private File verifyDir(File dir, String label, boolean create) {
if (create && !dir.exists()) {
E.unexpectedIf(!dir.mkdirs(), "Cannot create %s dir %s for %s", dir, label, app);
return dir;
}
E.unexpectedIf(!dir.isDirectory(), "%s %s is not a directory", label, dir);
E.unexpectedIf(!dir.canRead(), "Cannot read %s dir %s", label, dir);
E.unexpectedIf(!dir.canWrite(), "Cannot write %s dir %s", label, dir);
return dir;
}
public static AppBuilder build(App app) {
AppBuilder builder = PLACE_HOLDER;
if (Act.mode() == Act.Mode.DEV) {
builder = new AppBuilder(app);
}
builder.build();
return builder;
}
}