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Cody Ebberson
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Fixes #63 - added metadata support
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‎src/main/java/com/box/sdk/BoxFile.java‎

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Original file line numberDiff line numberDiff line change
@@ -37,6 +37,8 @@ public class BoxFile extends BoxItem {
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private static final URLTemplate COPY_URL_TEMPLATE = new URLTemplate("files/%s/copy");
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private static final URLTemplate ADD_COMMENT_URL_TEMPLATE = new URLTemplate("comments");
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private static final URLTemplate GET_COMMENTS_URL_TEMPLATE = new URLTemplate("files/%s/comments");
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private static final URLTemplate METADATA_URL_TEMPLATE = new URLTemplate("files/%s/metadata/%s");
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private static final String DEFAULT_METADATA_TYPE = "properties";
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private static final int BUFFER_SIZE = 8192;
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/**
@@ -389,6 +391,81 @@ public List<BoxComment.Info> getComments() {
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return comments;
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}
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/**
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* Creates metadata on this file.
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* @param metadata The new metadata values.
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* @return the metadata returned from the server.
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*/
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public Metadata createMetadata(Metadata metadata) {
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return this.createMetadata(DEFAULT_METADATA_TYPE, metadata);
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}
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/**
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* Creates the metadata of specified type.
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* @param typeName The metadata type name.
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* @param metadata The new metadata values.
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* @return the metadata returned from the server.
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*/
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public Metadata createMetadata(String typeName, Metadata metadata) {
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URL url = METADATA_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID(), typeName);
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BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "POST");
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request.addHeader("Content-Type", "application/json");
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request.setBody(metadata.toString());
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BoxJSONResponse response = (BoxJSONResponse) request.send();
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return new Metadata(JsonObject.readFrom(response.getJSON()));
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}
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/**
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* Gets the file properties metadata.
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* @return the metadata returned from the server.
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*/
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public Metadata getMetadata() {
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return this.getMetadata(DEFAULT_METADATA_TYPE);
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}
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/**
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* Gets the file metadata of specified type.
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* @param typeName The metadata type name.
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* @return the metadata returned from the server.
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*/
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public Metadata getMetadata(String typeName) {
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URL url = METADATA_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID(), typeName);
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BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "GET");
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BoxJSONResponse response = (BoxJSONResponse) request.send();
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return new Metadata(JsonObject.readFrom(response.getJSON()));
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}
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/**
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* Updates the file metadata.
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* @param metadata The new metadata values.
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* @return the metadata returned from the server.
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*/
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public Metadata updateMetadata(Metadata metadata) {
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URL url = METADATA_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID(), metadata.getTypeName());
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BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "PUT");
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request.addHeader("Content-Type", "application/json-patch+json");
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request.setBody(metadata.getPatch());
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BoxJSONResponse response = (BoxJSONResponse) request.send();
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return new Metadata(JsonObject.readFrom(response.getJSON()));
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}
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/**
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* Deletes the file properties metadata.
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*/
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public void deleteMetadata() {
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this.deleteMetadata(DEFAULT_METADATA_TYPE);
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}
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/**
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* Deletes the file metadata of specified type.
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* @param typeName The metadata type name.
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*/
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public void deleteMetadata(String typeName) {
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URL url = METADATA_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID(), typeName);
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BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "DELETE");
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request.send();
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}
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/**
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* Contains information about a BoxFile.
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*/

‎src/main/java/com/box/sdk/Metadata.java‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,163 @@
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package com.box.sdk;
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import com.eclipsesource.json.JsonArray;
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import com.eclipsesource.json.JsonObject;
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/**
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* The Metadata class represents one type instance of Box metadata.
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*
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* Learn more about Box metadata:
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* https://developers.box.com/metadata-api/
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*/
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public class Metadata {
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private final JsonObject values;
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private JsonArray operations;
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/**
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* Creates an empty metadata.
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*/
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public Metadata() {
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this.values = new JsonObject();
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}
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/**
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* Creates a new metadata.
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* @param values The initial metadata values.
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*/
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public Metadata(JsonObject values) {
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this.values = values;
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}
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/**
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* Creates a copy of another metadata.
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* @param other The other metadata object to copy.
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*/
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public Metadata(Metadata other) {
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this.values = new JsonObject(other.values);
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}
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/**
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* Returns the 36 character UUID to identify the metadata object.
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* @return the metadata ID.
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*/
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public String getID() {
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return this.values.get("$id").asString();
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}
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/**
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* Returns the metadata type.
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* @return the metadata type.
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*/
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public String getTypeName() {
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return this.values.get("$type").asString();
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}
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/**
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* Returns the parent object ID (typically the file ID).
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* @return the parent object ID.
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*/
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public String getParentID() {
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return this.values.get("$parent").asString();
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}
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/**
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* Adds a new metdata value.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @param value The value.
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* @return this metadata object.
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*/
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public Metadata add(String path, String value) {
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this.values.add(this.pathToProperty(path), value);
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this.addOp("add", path, value);
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return this;
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}
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/**
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* Replaces an existing metdata value.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @param value The value.
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* @return this metadata object.
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*/
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public Metadata replace(String path, String value) {
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this.values.set(this.pathToProperty(path), value);
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this.addOp("replace", path, value);
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return this;
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}
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/**
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* Removes an existing metadata value.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @return this metadata object.
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*/
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public Metadata remove(String path) {
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this.values.remove(this.pathToProperty(path));
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this.addOp("remove", path, null);
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return this;
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}
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/**
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* Tests that a property has the expected value.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @param value The expected value.
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* @return this metadata object.
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*/
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public Metadata test(String path, String value) {
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this.addOp("test", path, value);
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return this;
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}
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/**
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* Returns a value.
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* @param key The metadata property name.
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* @return The metadata property value.
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*/
114+
public String get(String key) {
115+
return this.values.get(key).asString();
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}
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/**
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* Returns the JSON patch string with all operations.
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* @return the JSON patch string.
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*/
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public String getPatch() {
123+
if (this.operations == null) {
124+
return "[]";
125+
}
126+
return this.operations.toString();
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}
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/**
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* Returns the JSON representation of this metadata.
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* @return the JSON representation of this metadata.
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*/
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@Override
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public String toString() {
135+
return this.values.toString();
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}
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/**
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* Converts a JSON patch path to a JSON property name.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @return The JSON property name.
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*/
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private String pathToProperty(String path) {
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return path.substring(1);
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}
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/**
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* Adds a patch operation.
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* @param op The operation type. Must be add, replace, remove, or test.
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* @param path The path that designates the key. Must be prefixed with a "/".
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* @param value The value to be set.
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*/
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private void addOp(String op, String path, String value) {
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if (this.operations == null) {
155+
this.operations = new JsonArray();
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}
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this.operations.add(new JsonObject()
159+
.add("op", op)
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.add("path", path)
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.add("value", value));
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}
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}

‎src/test/java/com/box/sdk/BoxFileTest.java‎

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Original file line numberDiff line numberDiff line change
@@ -29,6 +29,7 @@
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import static org.mockito.Mockito.verify;
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import org.hamcrest.Matchers;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.experimental.categories.Category;
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@@ -356,4 +357,48 @@ public void addCommentWithMentionSucceeds() {
356357

357358
uploadedFile.delete();
358359
}
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@Test
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@Category(IntegrationTest.class)
363+
public void createMetadataSucceeds() {
364+
BoxAPIConnection api = new BoxAPIConnection(TestConfig.getAccessToken());
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BoxFolder rootFolder = BoxFolder.getRootFolder(api);
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String fileName = "[createMetadataSucceeds] Test File.txt";
367+
byte[] fileBytes = "Non-empty string".getBytes(StandardCharsets.UTF_8);
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InputStream uploadStream = new ByteArrayInputStream(fileBytes);
370+
BoxFile uploadedFile = rootFolder.uploadFile(uploadStream, fileName).getResource();
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uploadedFile.createMetadata(new Metadata().add("foo", "bar"));
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Metadata check1 = uploadedFile.getMetadata();
374+
Assert.assertNotNull(check1);
375+
Assert.assertEquals("bar", check1.get("foo"));
376+
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uploadedFile.delete();
378+
}
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@Test
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@Category(IntegrationTest.class)
382+
public void updateMetadataSucceeds() {
383+
BoxAPIConnection api = new BoxAPIConnection(TestConfig.getAccessToken());
384+
BoxFolder rootFolder = BoxFolder.getRootFolder(api);
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String fileName = "[updateMetadataSucceeds] Test File.txt";
386+
byte[] fileBytes = "Non-empty string".getBytes(StandardCharsets.UTF_8);
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InputStream uploadStream = new ByteArrayInputStream(fileBytes);
389+
BoxFile uploadedFile = rootFolder.uploadFile(uploadStream, fileName).getResource();
390+
uploadedFile.createMetadata(new Metadata().add("foo", "bar"));
391+
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Metadata check1 = uploadedFile.getMetadata();
393+
Assert.assertNotNull(check1);
394+
Assert.assertEquals("bar", check1.get("foo"));
395+
396+
uploadedFile.updateMetadata(check1.replace("/foo", "baz"));
397+
398+
Metadata check2 = uploadedFile.getMetadata();
399+
Assert.assertNotNull(check2);
400+
Assert.assertEquals("baz", check2.get("foo"));
401+
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uploadedFile.delete();
403+
}
359404
}

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