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// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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 com.google.gitiles;
import static com.google.common.base.Preconditions.checkNotNull;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import javax.servlet.FilterConfig;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.storage.file.FileBasedConfig;
import org.eclipse.jgit.util.FS;
public class GitilesConfig {
private static final String FILTER_CONFIG_PARAM = "configPath";
private static final String PROPERTY_NAME = "com.google.gitiles.configPath";
private static final String DEFAULT_PATH = "gitiles.config";
public static File defaultFile() {
return defaultFile(null);
}
public static File defaultFile(FilterConfig filterConfig) {
String configPath = System.getProperty(PROPERTY_NAME, DEFAULT_PATH);
if (configPath == null && filterConfig != null) {
configPath = filterConfig.getInitParameter(FILTER_CONFIG_PARAM);
}
checkNotNull(configPath);
return new File(configPath);
}
public static Config loadDefault() throws IOException, ConfigInvalidException {
return loadDefault(null);
}
public static Config loadDefault(FilterConfig filterConfig)
throws IOException, ConfigInvalidException {
FileBasedConfig config = new FileBasedConfig(defaultFile(filterConfig), FS.DETECTED);
config.load();
return config;
}
public static void putVariant(
Config config, String templateName, String keyName, Map<String, ? super String> out) {
String variant = config.getString("template", null, templateName);
if (variant != null) {
out.put(keyName, variant);
}
}
private GitilesConfig() {}
}