guru.bitman.fictionalvieira.bash.EnvironmentVariableCommand Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of core Show documentation

The idea behind Fictional Vieira is to combine Bash and Java strengths to ease glue logic maintenance usually created using a mix of Bash and CLI programs

The newest version!

package guru.bitman.fictionalvieira.bash;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class EnvironmentVariableCommand
    implements BashCommand
{
    private final String name;
    private final String value;
    private boolean export;
    private Logger logger = LoggerFactory.getLogger(EnvironmentVariableCommand.class.getName());

    public EnvironmentVariableCommand(String name, String value, boolean export)
    {
        this.name = name;
        this.value = value;
        this.export = export;
        validateState();
    }

    public EnvironmentVariableCommand(String name)
    {
        this(name,null,false);
    }

    public EnvironmentVariableCommand(String name, String value)
    {
        this(name,value,false);
    }

    private void validateState()
    {
        if (name == null) {
            throw new IllegalArgumentException("Variable name cannot be null");
        }
    }

    @Override
    public String getCode()
    {
        StringBuilder out = new StringBuilder();
        if (export)
        {
            out.append("export ");
        }

        out.append(name).append("=");

        if (value != null)
        {
            out.append(value);
        }

        return out.toString();
    }
}