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/*
* SonarQube Runner - API
* Copyright (C) 2011 SonarSource
* dev@sonar.codehaus.org
*
* This program 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.
*
* This program 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 02
*/
package org.sonar.runner.api;
import java.io.File;
import java.util.*;
class Command {
private final String executable;
private final List<String> arguments;
private final Map<String, String> env;
private final File directory;
private Command(Builder builder) {
this.executable = builder.executable;
this.arguments = Collections.unmodifiableList(builder.arguments);
this.env = Collections.unmodifiableMap(builder.env);
this.directory = builder.directory;
}
File directory() {
return directory;
}
String executable() {
return executable;
}
List<String> arguments() {
return arguments;
}
/**
* Environment variables that are propagated during command execution.
*
* @return a non-null and immutable map of variables
*/
Map<String, String> envVariables() {
return env;
}
String[] toStrings() {
String[] strings = new String[1 + arguments.size()];
strings[0] = executable;
for (int index = 0; index < arguments.size(); index++) {
strings[index + 1] = arguments.get(index);
}
return strings;
}
@Override
public String toString() {
return Utils.join(toStrings(), " ");
}
static Builder builder() {
return new Builder();
}
static class Builder {
private String executable;
private final List<String> arguments = new ArrayList<String>();
private final Map<String, String> env = new HashMap<String, String>();
private File directory;
private Builder() {
}
Builder setExecutable(String s) {
this.executable = s;
return this;
}
Builder addArguments(String... args) {
return addArguments(Arrays.asList(args));
}
Builder addArguments(List<String> args) {
for (String arg : args) {
if (arg != null && !"".equals(arg.trim())) {
arguments.add(arg);
}
}
return this;
}
Builder setEnvVariable(String key, String value) {
env.put(key, value);
return this;
}
Builder addEnvVariables(Map<String, String> map) {
env.putAll(map);
return this;
}
Builder setDirectory(File d) {
this.directory = d;
return this;
}
Command build() {
if (executable == null) {
throw new IllegalArgumentException("Command executable is not defined");
}
return new Command(this);
}
}
}
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