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A tiny restful framework for Java (API)
There is a newer version: 0.4.0
package eu.toolchain.rs;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.function.Function;

public class RsMapping {
    private final String method;
    private final List path;
    private final Function handle;
    private final List consumes;
    private final List produces;

    private RsMapping(final String method, final List path,
            final Function handle, final List consumes,
            final List produces) {
        this.method = Objects.requireNonNull(method);
        this.path = Objects.requireNonNull(path);
        this.handle = Objects.requireNonNull(handle);
        this.consumes = Objects.requireNonNull(consumes);
        this.produces = Objects.requireNonNull(produces);
    }

    public String method() {
        return method;
    }

    public List path() {
        return path;
    }

    public Function handle() {
        return handle;
    }

    public List consumes() {
        return consumes;
    }

    public List produces() {
        return produces;
    }

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

    public static class Builder {
        private String method;
        private List path = Collections.emptyList();
        private Function handle;
        private List consumes = Collections.emptyList();
        private List produces = Collections.emptyList();

        public Builder method(final String method) {
            this.method = Objects.requireNonNull(method);
            return this;
        }

        public Builder path(final String... path) {
            this.path = toList(path);
            return this;
        }

        public Builder handle(final Function handle) {
            this.handle = Objects.requireNonNull(handle);
            return this;
        }

        public Builder consumes(final String... consumes) {
            this.consumes = toList(consumes);
            return this;
        }

        public Builder produces(final String... produces) {
            this.produces = toList(produces);
            return this;
        }

        public RsMapping build() {
            return new RsMapping(method, path, handle, consumes, produces);
        }

        private  List toList(final I[] input) {
            final List list = new ArrayList<>();

            for (final I i : input) {
                list.add(i);
            }

            return Collections.unmodifiableList(list);
        }
    }
}