org.cricketmsf.out.file.CommandRunner Maven / Gradle / Ivy
/*
* Copyright 2016 Grzegorz Skorupa .
*
* 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.cricketmsf.out.file;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import org.cricketmsf.Adapter;
import org.cricketmsf.Kernel;
import org.cricketmsf.out.OutboundAdapter;
/**
*
* @author greg
*/
public class CommandRunner extends OutboundAdapter implements Adapter, CommandRunnerIface {
private String command;
/**
* This method is executed while adapter is instantiated during the service
* start. It's used to configure the adapter according to the configuration.
*
* @param properties map of properties readed from the configuration file
* @param adapterName name of the adapter set in the configuration file (can
* be different from the interface and class name.
*/
@Override
public void loadProperties(HashMap properties, String adapterName) {
super.loadProperties(properties, adapterName);
command = properties.getOrDefault("command", "");
Kernel.getInstance().getLogger().print("\tcommand=" + command);
}
@Override
public String execute() {
try {
Process p = Runtime.getRuntime().exec(command);
p.waitFor();
BufferedReader reader
= new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
StringBuilder sb = new StringBuilder();
while ((line = reader.readLine()) != null) {
sb.append(line).append("\n");
}
return sb.toString();
} catch (IOException | InterruptedException e) {
return "";
}
}
}