Java tutorial
/******************************************************************************* * Copyright 2016 - 2017 Sparta Systems, Inc * * 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 * * http://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 com.spartasystems.holdmail.domain; import com.fasterxml.jackson.annotation.JsonValue; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import java.util.HashMap; import java.util.Map; public class MessageHeaders { private Map<String, String> headerMap; public MessageHeaders() { headerMap = new HashMap<>(); } public MessageHeaders(Map<String, String> otherMap) { headerMap = new HashMap<>(otherMap); } @JsonValue public Map<String, String> asMap() { return new HashMap<>(headerMap); } public void put(String key, String value) { headerMap.put(key, value); } public String get(String key) { return headerMap.get(key); } @Override public boolean equals(Object other) { return EqualsBuilder.reflectionEquals(this, other); } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } @Override public String toString() { return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append("headerMap", headerMap) .toString(); } }