/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.asset.sources;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.asset.AssetUri;
import org.terasology.naming.Name;
import java.io.IOException;
import java.net.MalformedURLException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
/**
* @author Immortius
*/
public class DirectorySource extends AbstractSource {
private static final Logger logger = LoggerFactory.getLogger(DirectorySource.class);
public DirectorySource(Name id, Path rootAssetsDirectory, Path rootOverridesDirectory, Path rootDeltaDirectory) {
super(id);
clear();
if (Files.isDirectory(rootAssetsDirectory)) {
scanAssets(rootAssetsDirectory, rootAssetsDirectory);
}
if (Files.isDirectory(rootOverridesDirectory)) {
scanOverrides(rootOverridesDirectory, rootOverridesDirectory);
}
if (Files.isDirectory(rootDeltaDirectory)) {
scanDeltas(rootDeltaDirectory, rootDeltaDirectory);
}
}
private void scanOverrides(Path overrideDirectory, Path basePath) {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(overrideDirectory)) {
for (Path child : stream) {
if (Files.isDirectory(child)) {
scanOverrides(child, basePath);
} else if (Files.isRegularFile(child)) {
Path relativePath = basePath.relativize(child);
Path modulePath = relativePath.subpath(0, 1);
AssetUri uri = getUri(new Name(modulePath.toString()), modulePath.relativize(relativePath));
if (uri != null) {
try {
addOverride(uri, child.toUri().toURL());
} catch (MalformedURLException e) {
logger.warn("Failed to load override {}", child, e.getMessage());
}
}
}
}
} catch (IOException e) {
logger.error("Failed to scan override path: {}", overrideDirectory, e);
}
}
private void scanDeltas(Path deltaDirectory, Path basePath) {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(deltaDirectory)) {
for (Path child : stream) {
if (Files.isDirectory(child)) {
scanDeltas(child, basePath);
} else if (Files.isRegularFile(child)) {
Path relativePath = basePath.relativize(child);
Path modulePath = relativePath.subpath(0, 1);
AssetUri uri = getUri(new Name(modulePath.toString()), modulePath.relativize(relativePath));
if (uri != null) {
try {
setDelta(uri, child.toUri().toURL());
} catch (MalformedURLException e) {
logger.warn("Failed to load delta {}", child, e.getMessage());
}
}
}
}
} catch (IOException e) {
logger.error("Failed to scan delta path: {}", deltaDirectory, e);
}
}
private void scanAssets(Path path, Path basePath) {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {
for (Path child : stream) {
if (Files.isDirectory(child)) {
scanAssets(child, basePath);
} else if (Files.isRegularFile(child)) {
Path relativePath = basePath.relativize(child);
AssetUri uri = getUri(relativePath);
if (uri != null) {
try {
addItem(uri, child.toUri().toURL());
} catch (MalformedURLException e) {
logger.warn("Failed to load asset {}", relativePath, e.getMessage());
}
}
}
}
} catch (IOException e) {
logger.error("Failed to scan assets path: {}", path, e);
}
}
}