Java tutorial
/* * See the file "LICENSE.TXT" for the full license governing this code. */ package com.aol.one.patch.testobj; import com.aol.one.patch.Patchable; import com.fasterxml.jackson.databind.JsonNode; import org.apache.commons.lang3.builder.ToStringBuilder; import java.util.HashMap; /** * @author Madhu Ramanna <madhu.ramanna@advertising.com> dt 1/29/16. */ public class PatchableMap extends HashMap<String, String> implements Patchable { @Override // return this object for all child paths public Patchable getPatchObjectByKey(String key) { return this; } @Override public void addValue(String key, JsonNode value) { if (key != null && value != null) { this.put(key, value.asText()); } } @Override public void replaceValue(String key, JsonNode value) { addValue(key, value); } @Override public void removeValue(String key) { this.remove(key); } @Override public String toString() { ToStringBuilder builder = new ToStringBuilder(this); for (String key : super.keySet()) { builder.append(key, this.get(key)); } return builder.toString(); } }