/*
 * Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
 *
 * 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
 *
 *        https://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 reactor.util.context;

import java.util.AbstractMap;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.stream.Stream;

final class Context5 implements CoreContext {

	final Object key1;
	final Object value1;
	final Object key2;
	final Object value2;
	final Object key3;
	final Object value3;
	final Object key4;
	final Object value4;
	final Object key5;
	final Object value5;

	Context5(Object key1, Object value1,
			Object key2, Object value2,
			Object key3, Object value3,
			Object key4, Object value4,
			Object key5, Object value5) {
		//TODO merge null check and duplicate check in the util method
		Context4.checkKeys(key1, key2, key3, key4, key5);
		this.key1 = Objects.requireNonNull(key1, "key1");
		this.value1 = Objects.requireNonNull(value1, "value1");
		this.key2 = Objects.requireNonNull(key2, "key2");
		this.value2 = Objects.requireNonNull(value2, "value2");
		this.key3 = Objects.requireNonNull(key3, "key3");
		this.value3 = Objects.requireNonNull(value3, "value3");
		this.key4 = Objects.requireNonNull(key4, "key4");
		this.value4 = Objects.requireNonNull(value4, "value4");
		this.key5 = Objects.requireNonNull(key5, "key5");
		this.value5 = Objects.requireNonNull(value5, "value5");
	}

	@Override
	public Context put(Object key, Object value) {
		Objects.requireNonNull(key, "key");
		Objects.requireNonNull(value, "value");

		if(this.key1.equals(key)){
			return new Context5(key, value, key2, value2, key3, value3, key4, value4, key5, value5);
		}

		if (this.key2.equals(key)) {
			return new Context5(key1, value1, key, value, key3, value3, key4, value4, key5, value5);
		}

		if (this.key3.equals(key)) {
			return new Context5(key1, value1, key2, value2, key, value, key4, value4, key5, value5);
		}

		if (this.key4.equals(key)) {
			return new Context5(key1, value1, key2, value2, key3, value3, key, value, key5, value5);
		}

		if (this.key5.equals(key)) {
			return new Context5(key1, value1, key2, value2, key3, value3, key4, value4, key, value);
		}

		return new ContextN(key1, value1, key2, value2, key3, value3, key4, value4, key5, value5, key, value);
	}

	@Override
	public Context delete(Object key) {
		Objects.requireNonNull(key, "key");

		if(this.key1.equals(key)){
			return new Context4(key2, value2, key3, value3, key4, value4, key5, value5);
		}

		if (this.key2.equals(key)) {
			return new Context4(key1, value1, key3, value3, key4, value4, key5, value5);
		}

		if (this.key3.equals(key)) {
			return new Context4(key1, value1, key2, value2, key4, value4, key5, value5);
		}

		if (this.key4.equals(key)) {
			return new Context4(key1, value1, key2, value2, key3, value3, key5, value5);
		}

		if (this.key5.equals(key)) {
			return new Context4(key1, value1, key2, value2, key3, value3, key4, value4);
		}

		return this;
	}

	@Override
	public boolean hasKey(Object key) {
		return this.key1.equals(key) || this.key2.equals(key) || this.key3.equals(key)
				|| this.key4.equals(key) || this.key5.equals(key);
	}

	@Override
	@SuppressWarnings("unchecked")
	public <T> T get(Object key) {
		if (this.key1.equals(key)) {
			return (T)this.value1;
		}
		if (this.key2.equals(key)) {
			return (T)this.value2;
		}
		if (this.key3.equals(key)) {
			return (T)this.value3;
		}
		if (this.key4.equals(key)) {
			return (T)this.value4;
		}
		if (this.key5.equals(key)) {
			return (T)this.value5;
		}
		throw new NoSuchElementException("Context does not contain key: "+key);
	}

	@Override
	public int size() {
		return 5;
	}

	@Override
	public Stream<Map.Entry<Object, Object>> stream() {
		return Stream.of(
				new AbstractMap.SimpleImmutableEntry<>(key1, value1),
				new AbstractMap.SimpleImmutableEntry<>(key2, value2),
				new AbstractMap.SimpleImmutableEntry<>(key3, value3),
				new AbstractMap.SimpleImmutableEntry<>(key4, value4),
				new AbstractMap.SimpleImmutableEntry<>(key5, value5));
	}

	@Override
	public Context putAllInto(Context base) {
		return base
				.put(this.key1, this.value1)
		        .put(this.key2, this.value2)
				.put(this.key3, this.value3)
				.put(this.key4, this.value4)
				.put(this.key5, this.value5);
	}

	@Override
	public void unsafePutAllInto(ContextN other) {
		other.accept(key1, value1);
		other.accept(key2, value2);
		other.accept(key3, value3);
		other.accept(key4, value4);
		other.accept(key5, value5);
	}

	@Override
	public String toString() {
		return "Context5{" + key1 + '='+ value1 + ", " + key2 + '=' + value2 + ", " +
				key3 + '=' + value3 + ", " + key4 + '=' + value4 + ", " + key5 + '=' + value5 + '}';
	}
}

@@ -4655,24 +4655,18 @@
 lue1)%0A%09%09
-        
+%09%09
 .put(thi

Fix space indentation in Context5