/*
* 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.source;
import com.google.common.base.Splitter;
import org.sonar.api.ServerComponent;
import org.sonar.core.persistence.DbSession;
import org.sonar.core.persistence.MyBatis;
import org.sonar.core.resource.ResourceDao;
import org.sonar.core.resource.ResourceDto;
import org.sonar.core.resource.ResourceQuery;
import org.sonar.core.source.db.SnapshotSourceDao;
import org.sonar.server.exceptions.NotFoundException;
import javax.annotation.CheckForNull;
import javax.annotation.Nullable;
import java.util.List;
import static com.google.common.collect.Lists.newArrayList;
/**
* When a plugin do not use the new API to add syntax highlighting on source code, this class is called to add html info on source code
*/
public class DeprecatedSourceDecorator implements ServerComponent {
private final MyBatis mybatis;
private final ResourceDao resourceDao;
private final CodeColorizers codeColorizers;
private final SnapshotSourceDao snapshotSourceDao;
public DeprecatedSourceDecorator(MyBatis mybatis, ResourceDao resourceDao, CodeColorizers codeColorizers, SnapshotSourceDao snapshotSourceDao) {
this.mybatis = mybatis;
this.resourceDao = resourceDao;
this.codeColorizers = codeColorizers;
this.snapshotSourceDao = snapshotSourceDao;
}
@CheckForNull
public List<String> getSourceAsHtml(String componentKey) {
return getSourceAsHtml(componentKey, null, null);
}
@CheckForNull
public List<String> getSourceAsHtml(String componentKey, @Nullable Integer from, @Nullable Integer to) {
DbSession session = mybatis.openSession(false);
try {
ResourceDto component = resourceDao.getResource(ResourceQuery.create().setKey(componentKey), session);
if (component == null) {
throw new NotFoundException("The component '" + componentKey + "' does not exists.");
}
String source = snapshotSourceDao.selectSnapshotSourceByComponentKey(componentKey, session);
if (source != null) {
return splitSourceByLine(source, component.getLanguage(), from, to);
} else {
return null;
}
} finally {
MyBatis.closeQuietly(session);
}
}
private List<String> splitSourceByLine(String source, String language, @Nullable Integer from, @Nullable Integer to) {
String htmlSource = codeColorizers.toHtml(source, language);
List<String> splitSource = newArrayList(Splitter.onPattern("\r?\n|\r").split(htmlSource));
List<String> result = newArrayList();
for (int i = 0; i < splitSource.size(); i++) {
int currentLine = i + 1;
if (to != null && to < currentLine) {
break;
} else if (from == null || currentLine >= from) {
result.add(splitSource.get(currentLine - 1));
}
}
return result;
}
}