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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.plugins;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Function;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.platform.PluginMetadata;
import org.sonar.api.platform.PluginRepository;
import org.sonar.api.platform.ServerFileSystem;
import javax.annotation.Nullable;
import java.io.File;
import java.io.IOException;
/**
* Ruby on Rails requires the files to be on filesystem but not in Java classpath (JAR). This component extracts
* all the needed files from plugins and copy them to $SONAR_HOME/temp
*
* @since 3.0
*/
public class ApplicationDeployer {
private static final Logger LOG = LoggerFactory.getLogger(ApplicationDeployer.class);
private static final String ROR_PATH = "org/sonar/ror/";
private final ServerFileSystem fileSystem;
private final PluginRepository pluginRepository;
public ApplicationDeployer(ServerFileSystem fileSystem, PluginRepository pluginRepository) {
this.fileSystem = fileSystem;
this.pluginRepository = pluginRepository;
}
public void start() {
deployRubyRailsApps();
}
private void deployRubyRailsApps() {
LOG.info("Deploy Ruby on Rails applications");
File appsDir = prepareRubyRailsRootDirectory();
for (PluginMetadata pluginMetadata : pluginRepository.getMetadata()) {
String pluginKey = pluginMetadata.getKey();
try {
deployRubyRailsApp(appsDir, pluginKey, pluginRepository.getPlugin(pluginKey).getClass().getClassLoader());
} catch (Exception e) {
throw new IllegalStateException("Fail to deploy Ruby on Rails application: " + pluginKey, e);
}
}
}
@VisibleForTesting
File prepareRubyRailsRootDirectory() {
File appsDir = new File(fileSystem.getTempDir(), "ror");
prepareDir(appsDir);
return appsDir;
}
@VisibleForTesting
static void deployRubyRailsApp(File appsDir, final String pluginKey, ClassLoader appClassLoader) {
if (hasRubyRailsApp(pluginKey, appClassLoader)) {
LOG.info("Deploy app: " + pluginKey);
File appDir = new File(appsDir, pluginKey);
ClassLoaderUtils.copyResources(appClassLoader, pathToRubyInitFile(pluginKey), appDir, new Function<String, String>() {
public String apply(@Nullable String relativePath) {
// Relocate the deployed files :
// relativePath format is: org/sonar/ror/sqale/app/controllers/foo_controller.rb
// app path is: org/sonar/ror/sqale
// -> deployed file is app/controllers/foo_controller.rb
return StringUtils.substringAfter(relativePath, pluginKey + "/");
}
});
}
}
private static String pathToRubyInitFile(String pluginKey) {
return ROR_PATH + pluginKey + "/init.rb";
}
@VisibleForTesting
static boolean hasRubyRailsApp(String pluginKey, ClassLoader classLoader) {
return classLoader.getResource(pathToRubyInitFile(pluginKey)) != null;
}
private void prepareDir(File appsDir) {
if (appsDir.exists() && appsDir.isDirectory()) {
try {
FileUtils.deleteDirectory(appsDir);
} catch (IOException e) {
throw new IllegalStateException("Fail to delete temp directory: " + appsDir, e);
}
}
try {
FileUtils.forceMkdir(appsDir);
} catch (IOException e) {
throw new IllegalStateException("Fail to create temp directory: " + appsDir, e);
}
}
}
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