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API module of JSR 374:Java API for Processing JSON
There is a newer version: 1.1.4
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package javax.json;

/**
 * A builder for constructing a JSON Patch as defined by
 * RFC 6902 by adding
 * JSON Patch operations incrementally.
 * 
 * The following illustrates the approach.
 * 
 *   JsonPatchBuilder builder = Json.createPatchBuilder();
 *   JsonPatch patch = builder.add("/John/phones/office", "1234-567")
 *                            .remove("/Amy/age")
 *                            .build();
 * 
 * The result is equivalent to the following JSON Patch.
 *  * [
 *    {"op" = "add", "path" = "/John/phones/office", "value" = "1234-567"},
 *    {"op" = "remove", "path" = "/Amy/age"}
 * ] 
 *
 * @see RFC 6902
 *
 * @since 1.1
 */
public interface JsonPatchBuilder {

    /**
     * Adds an "add" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder add(String path, JsonValue value);

    /**
     * Adds an "add" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder add(String path, String value);

    /**
     * Adds an "add" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder add(String path, int value);

    /**
     * Adds an "add" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder add(String path, boolean value);

    /**
     * Adds a "remove" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder remove(String path);

    /**
     * Adds a "replace" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder replace(String path, JsonValue value);

    /**
     * Adds a "replace" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder replace(String path, String value);

    /**
     * Adds a "replace" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder replace(String path, int value);

    /**
     * Adds a "replace" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder replace(String path, boolean value);

    /**
     * Adds a "move" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param from the "from" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder move(String path, String from);

    /**
     * Adds a "copy" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param from the "from" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder copy(String path, String from);

    /**
     * Adds a "test" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder test(String path, JsonValue value);

    /**
     * Adds a "test" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder test(String path, String value);

    /**
     * Adds a "test" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder test(String path, int value);

    /**
     * Adds a "test" JSON Patch operation.
     *
     * @param path the "path" member of the operation. Must be a valid escaped JSON-Pointer string.
     * @param value the "value" member of the operation
     * @return this JsonPatchBuilder
     */
    JsonPatchBuilder test(String path, boolean value);


    /**
     * Returns the JSON Patch.
     *
     * @return a JSON Patch
     */
    JsonPatch build();

}