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Simplified, lightweight HTTP client library
There is a newer version: 2.5.03
package io.github.openunirest.request;

/*
The MIT License

Copyright OpenUnirest (c) 2018.

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import org.json.JSONObject;

import java.util.Objects;

public class JsonPatchItem {
    private final JsonPatchOperation op;
    private final String path;
    private final Object value;

    public JsonPatchItem(JsonPatchOperation op, String path, Object value){
        this.op = op;
        this.path = path;
        this.value = value;
    }

    public JsonPatchItem(JsonPatchOperation remove, String path) {
        this(remove, path, null);
    }

    public JsonPatchItem(JSONObject row) {
        this.op = JsonPatchOperation.valueOf(row.getString("op"));
        this.path = row.getString("path");
        if(row.has(op.getOperationtype())) {
            this.value = row.get(op.getOperationtype());
        } else {
            this.value = null;
        }
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {return true;}
        if (o == null || getClass() != o.getClass()) {return false;}
        JsonPatchItem that = (JsonPatchItem) o;
        return op == that.op &&
                Objects.equals(path, that.path) &&
                Objects.equals(toString(), that.toString());
    }

    @Override
    public int hashCode() {
        return Objects.hash(op, path, value);
    }

    @Override
    public String toString() {
        JSONObject json = new JSONObject()
                .put("op", op)
                .put("path", path);

        if(Objects.nonNull(value)){
            json.put(op.getOperationtype(), value);
        }

        return json.toString();
    }

    public JsonPatchOperation getOp() {
        return op;
    }

    public String getPath() {
        return path;
    }

    public Object getValue() {
        return value;
    }
}