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/*
* Copyright 2015 Anton Tananaev (anton@traccar.org)
*
* 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.traccar;
import org.traccar.model.Command;
import java.util.Map;
public abstract class StringProtocolEncoder extends BaseProtocolEncoder {
public StringProtocolEncoder(Protocol protocol) {
super(protocol);
}
public interface ValueFormatter {
String formatValue(String key, Object value);
}
protected String formatCommand(Command command, String format, ValueFormatter valueFormatter, String... keys) {
String result = String.format(format, (Object[]) keys);
result = result.replaceAll("\\{" + Command.KEY_UNIQUE_ID + "}", getUniqueId(command.getDeviceId()));
for (Map.Entry<String, Object> entry : command.getAttributes().entrySet()) {
String value = null;
if (valueFormatter != null) {
value = valueFormatter.formatValue(entry.getKey(), entry.getValue());
}
if (value == null) {
value = entry.getValue().toString();
}
result = result.replaceAll("\\{" + entry.getKey() + "}", value);
}
return result;
}
protected String formatCommand(Command command, String format, String... keys) {
return formatCommand(command, format, null, keys);
}
}
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