io.linguarobot.aws.cdk.maven.process.ProcessContext Maven / Gradle / Ivy

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The AWS CDK Maven plugin produces and deploys CloudFormation templates based on the cloud infrastructure defined by means of CDK. The goal of the project is to improve the experience of Java developers while working with CDK by eliminating the need for installing Node.js and interacting with the CDK application by means of CDK Toolkit.

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package io.linguarobot.aws.cdk.maven.process;

import com.google.common.collect.ImmutableMap;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.File;
import java.io.OutputStream;
import java.util.Map;
import java.util.Optional;

public class ProcessContext {

    public static final ProcessContext DEFAULT = ProcessContext.builder().build();

    private final File workingDirectory;
    private final Map environment;
    private final OutputStream output;

    private ProcessContext(@Nullable File workingDirectory,
                           @Nullable Map environment,
                           @Nullable OutputStream output) {
        this.workingDirectory = workingDirectory;
        this.environment = environment;
        this.output = output;
    }

    public Optional getWorkingDirectory() {
        return Optional.ofNullable(workingDirectory);
    }

    public Optional> getEnvironment() {
        return Optional.ofNullable(environment);
    }

    public Optional getOutput() {
        return Optional.ofNullable(output);
    }

    public static Builder builder() {
        return new Builder();
    }

    public static class Builder {

        private File workingDirectory;
        private Map environment;
        private OutputStream output;

        private Builder() {
            this.environment = ImmutableMap.of();
            this.output = System.out;
        }

        public Builder withEnvironment(@Nonnull Map environment) {
            this.environment = ImmutableMap.copyOf(environment);
            return this;
        }

        public Builder withWorkingDirectory(@Nonnull File workingDirectory) {
            this.workingDirectory = workingDirectory;
            return this;
        }

        public Builder withOutput(@Nonnull OutputStream output) {
            this.output = output;
            return this;
        }

        public ProcessContext build() {
            return new ProcessContext(workingDirectory, environment, output);
        }

    }
}