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package com.box.sdk;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import com.eclipsesource.json.JsonArray;
import com.eclipsesource.json.JsonObject;
import com.eclipsesource.json.JsonValue;
/**
* The MetadataTemplate class represents the Box metadata template object.
* Templates allow the metadata service to provide a multitude of services,
* such as pre-defining sets of key:value pairs or schema enforcement on specific fields.
*
* @see Box metadata templates
*/
public class MetadataTemplate extends BoxJSONObject {
/**
* @see #getMetadataTemplate(BoxAPIConnection)
*/
private static final URLTemplate METADATA_TEMPLATE_URL_TEMPLATE
= new URLTemplate("metadata_templates/%s/%s/schema");
/**
* @see #createMetadataTemplate(BoxAPIConnection, String, String, String, boolean, List)
*/
private static final URLTemplate METADATA_TEMPLATE_SCHEMA_URL_TEMPLATE
= new URLTemplate("metadata_templates/schema");
/**
* @see #getEnterpriseMetadataTemplates(String, int, BoxAPIConnection, String...)
*/
private static final URLTemplate ENTERPRISE_METADATA_URL_TEMPLATE = new URLTemplate("metadata_templates/%s");
/**
* Default metadata type to be used in query.
*/
private static final String DEFAULT_METADATA_TYPE = "properties";
/**
* Global metadata scope. Used by default if the metadata type is "properties".
*/
private static final String GLOBAL_METADATA_SCOPE = "global";
/**
* Enterprise metadata scope. Used by default if the metadata type is not "properties".
*/
private static final String ENTERPRISE_METADATA_SCOPE = "enterprise";
/**
* Default number of entries per page.
*/
private static final int DEFAULT_ENTRIES_LIMIT = 100;
/**
* @see #getTemplateKey()
*/
private String templateKey;
/**
* @see #getScope()
*/
private String scope;
/**
* @see #getDisplayName()
*/
private String displayName;
/**
* @see #getIsHidden()
*/
private Boolean isHidden;
/**
* @see #getFields()
*/
private List fields;
/**
* Constructs an empty metadata template.
*/
public MetadataTemplate() {
super();
}
/**
* Constructs a metadata template from a JSON string.
* @param json the json encoded metadate template.
*/
public MetadataTemplate(String json) {
super(json);
}
/**
* Constructs a metadate template from a JSON object.
* @param jsonObject the json encoded metadate template.
*/
MetadataTemplate(JsonObject jsonObject) {
super(jsonObject);
}
/**
* Gets the unique template key to identify the metadata template.
* @return the unique template key to identify the metadata template.
*/
public String getTemplateKey() {
return this.templateKey;
}
/**
* Gets the metadata template scope.
* @return the metadata template scope.
*/
public String getScope() {
return this.scope;
}
/**
* Gets the displayed metadata template name.
* @return the displayed metadata template name.
*/
public String getDisplayName() {
return this.displayName;
}
/**
* Gets is the metadata template hidden.
* @return is the metadata template hidden.
*/
public Boolean getIsHidden() {
return this.isHidden;
}
/**
* Gets the iterable with all fields the metadata template contains.
* @return the iterable with all fields the metadata template contains.
*/
public List getFields() {
return this.fields;
}
/**
* {@inheritDoc}
*/
@Override
void parseJSONMember(JsonObject.Member member) {
JsonValue value = member.getValue();
String memberName = member.getName();
if (memberName.equals("templateKey")) {
this.templateKey = value.asString();
} else if (memberName.equals("scope")) {
this.scope = value.asString();
} else if (memberName.equals("displayName")) {
this.displayName = value.asString();
} else if (memberName.equals("hidden")) {
this.isHidden = value.asBoolean();
} else if (memberName.equals("fields")) {
this.fields = new ArrayList();
for (JsonValue field: value.asArray()) {
this.fields.add(new Field(field.asObject()));
}
}
}
/**
* Creates new metadata template.
* @param api the API connection to be used.
* @param scope the scope of the object.
* @param templateKey a unique identifier for the template.
* @param displayName the display name of the field.
* @param hidden whether this template is hidden in the UI.
* @param fields the ordered set of fields for the template
* @return the metadata template returned from the server.
*/
public static MetadataTemplate createMetadataTemplate(BoxAPIConnection api, String scope, String templateKey,
String displayName, boolean hidden, List fields) {
JsonObject jsonObject = new JsonObject();
jsonObject.add("scope", scope);
jsonObject.add("displayName", displayName);
jsonObject.add("hidden", hidden);
if (templateKey != null) {
jsonObject.add("templateKey", templateKey);
}
JsonArray fieldsArray = new JsonArray();
if (fields != null && !fields.isEmpty()) {
for (Field field : fields) {
JsonObject fieldObj = getFieldJsonObject(field);
fieldsArray.add(fieldObj);
}
jsonObject.add("fields", fieldsArray);
}
URL url = METADATA_TEMPLATE_SCHEMA_URL_TEMPLATE.build(api.getBaseURL());
BoxJSONRequest request = new BoxJSONRequest(api, url, "POST");
request.setBody(jsonObject.toString());
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
return new MetadataTemplate(responseJSON);
}
/**
* Gets the JsonObject representation of the given field object.
* @param field represents a template field
* @return the json object
*/
private static JsonObject getFieldJsonObject(Field field) {
JsonObject fieldObj = new JsonObject();
fieldObj.add("type", field.getType());
fieldObj.add("key", field.getKey());
fieldObj.add("displayName", field.getDisplayName());
String fieldDesc = field.getDescription();
if (fieldDesc != null) {
fieldObj.add("description", field.getDescription());
}
Boolean fieldIsHidden = field.getIsHidden();
if (fieldIsHidden != null) {
fieldObj.add("hidden", field.getIsHidden());
}
JsonArray array = new JsonArray();
List options = field.getOptions();
if (options != null && !options.isEmpty()) {
for (String option : options) {
JsonObject optionObj = new JsonObject();
optionObj.add("key", option);
array.add(optionObj);
}
fieldObj.add("options", array);
}
return fieldObj;
}
/**
* Updates the schema of an existing metadata template.
*
* @param api the API connection to be used
* @param scope the scope of the object
* @param template Unique identifier of the template
* @param fieldOperations the fields that needs to be updated / added in the template
* @return the updated metadata template
*/
public static MetadataTemplate updateMetadataTemplate(BoxAPIConnection api, String scope, String template,
List fieldOperations) {
JsonArray array = new JsonArray();
for (FieldOperation fieldOperation : fieldOperations) {
JsonObject jsonObject = getFieldOperationJsonObject(fieldOperation);
array.add(jsonObject);
}
QueryStringBuilder builder = new QueryStringBuilder();
URL url = METADATA_TEMPLATE_URL_TEMPLATE.build(api.getBaseURL(), scope, template);
BoxJSONRequest request = new BoxJSONRequest(api, url, "PUT");
request.setBody(array.toString());
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJson = JsonObject.readFrom(response.getJSON());
return new MetadataTemplate(responseJson);
}
/**
* Gets the JsonObject representation of the Field Operation.
* @param fieldOperation represents the template update operation
* @return the json object
*/
private static JsonObject getFieldOperationJsonObject(FieldOperation fieldOperation) {
JsonObject jsonObject = new JsonObject();
jsonObject.add("op", fieldOperation.getOp().toString());
String fieldKey = fieldOperation.getFieldKey();
if (fieldKey != null) {
jsonObject.add("fieldKey", fieldKey);
}
Field field = fieldOperation.getData();
if (field != null) {
JsonObject fieldObj = new JsonObject();
String type = field.getType();
if (type != null) {
fieldObj.add("type", type);
}
String key = field.getKey();
if (key != null) {
fieldObj.add("key", key);
}
String displayName = field.getDisplayName();
if (displayName != null) {
fieldObj.add("displayName", displayName);
}
String description = field.getDescription();
if (description != null) {
fieldObj.add("description", description);
}
Boolean hidden = field.getIsHidden();
if (hidden != null) {
fieldObj.add("hidden", hidden);
}
List options = field.getOptions();
if (options != null) {
JsonArray array = new JsonArray();
for (String option: options) {
JsonObject optionObj = new JsonObject();
optionObj.add("key", option);
array.add(optionObj);
}
fieldObj.add("options", array);
}
jsonObject.add("data", fieldObj);
}
List fieldKeys = fieldOperation.getFieldKeys();
if (fieldKeys != null) {
jsonObject.add("fieldKeys", getJsonArray(fieldKeys));
}
List enumOptionKeys = fieldOperation.getEnumOptionKeys();
if (enumOptionKeys != null) {
jsonObject.add("enumOptionKeys", getJsonArray(enumOptionKeys));
}
return jsonObject;
}
/**
* Gets the Json Array representation of the given list of strings.
* @param keys List of strings
* @return the JsonArray represents the list of keys
*/
private static JsonArray getJsonArray(List keys) {
JsonArray array = new JsonArray();
for (String key : keys) {
array.add(key);
}
return array;
}
/**
* Gets the metadata template of properties.
* @param api the API connection to be used.
* @return the metadata template returned from the server.
*/
public static MetadataTemplate getMetadataTemplate(BoxAPIConnection api) {
return getMetadataTemplate(api, DEFAULT_METADATA_TYPE);
}
/**
* Gets the metadata template of specified template type.
* @param api the API connection to be used.
* @param templateName the metadata template type name.
* @return the metadata template returned from the server.
*/
public static MetadataTemplate getMetadataTemplate(BoxAPIConnection api, String templateName) {
String scope = scopeBasedOnType(templateName);
return getMetadataTemplate(api, templateName, scope);
}
/**
* Gets the metadata template of specified template type.
* @param api the API connection to be used.
* @param templateName the metadata template type name.
* @param scope the metadata template scope (global or enterprise).
* @param fields the fields to retrieve.
* @return the metadata template returned from the server.
*/
public static MetadataTemplate getMetadataTemplate(
BoxAPIConnection api, String templateName, String scope, String ... fields) {
QueryStringBuilder builder = new QueryStringBuilder();
if (fields.length > 0) {
builder.appendParam("fields", fields);
}
URL url = METADATA_TEMPLATE_URL_TEMPLATE.buildWithQuery(
api.getBaseURL(), builder.toString(), scope, templateName);
BoxAPIRequest request = new BoxAPIRequest(api, url, "GET");
BoxJSONResponse response = (BoxJSONResponse) request.send();
return new MetadataTemplate(response.getJSON());
}
/**
* Returns all metadata templates within a user's enterprise.
* @param api the API connection to be used.
* @param fields the fields to retrieve.
* @return the metadata template returned from the server.
*/
public static Iterable getEnterpriseMetadataTemplates(BoxAPIConnection api, String ... fields) {
return getEnterpriseMetadataTemplates(ENTERPRISE_METADATA_SCOPE, api, fields);
}
/**
* Returns all metadata templates within a user's scope. Currently only the enterprise scope is supported.
* @param scope the scope of the metadata templates.
* @param api the API connection to be used.
* @param fields the fields to retrieve.
* @return the metadata template returned from the server.
*/
public static Iterable getEnterpriseMetadataTemplates(
String scope, BoxAPIConnection api, String ... fields) {
return getEnterpriseMetadataTemplates(ENTERPRISE_METADATA_SCOPE, DEFAULT_ENTRIES_LIMIT, api, fields);
}
/**
* Returns all metadata templates within a user's scope. Currently only the enterprise scope is supported.
* @param scope the scope of the metadata templates.
* @param limit maximum number of entries per response.
* @param api the API connection to be used.
* @param fields the fields to retrieve.
* @return the metadata template returned from the server.
*/
public static Iterable getEnterpriseMetadataTemplates(
String scope, int limit, BoxAPIConnection api, String ... fields) {
QueryStringBuilder builder = new QueryStringBuilder();
if (fields.length > 0) {
builder.appendParam("fields", fields);
}
return new BoxResourceIterable(
api, ENTERPRISE_METADATA_URL_TEMPLATE.buildWithQuery(
api.getBaseURL(), builder.toString(), scope), limit) {
@Override
protected MetadataTemplate factory(JsonObject jsonObject) {
return new MetadataTemplate(jsonObject);
}
};
}
/**
* Determines the metadata scope based on type.
* @param typeName type of the metadata.
* @return scope of the metadata.
*/
private static String scopeBasedOnType(String typeName) {
return typeName.equals(DEFAULT_METADATA_TYPE) ? GLOBAL_METADATA_SCOPE : ENTERPRISE_METADATA_SCOPE;
}
/**
* Class contains information about the metadata template field.
*/
public static class Field extends BoxJSONObject {
/**
* @see #getType()
*/
private String type;
/**
* @see #getKey()
*/
private String key;
/**
* @see #getDisplayName()
*/
private String displayName;
/**
* @see #getIsHidden()
*/
private Boolean isHidden;
/**
* @see #getDescription()
*/
private String description;
/**
* @see #getOptions()
*/
private List options;
/**
* Constructs an empty metadata template.
*/
public Field() {
super();
}
/**
* Constructs a metadate template field from a JSON string.
* @param json the json encoded metadate template field.
*/
public Field(String json) {
super(json);
}
/**
* Constructs a metadate template field from a JSON object.
* @param jsonObject the json encoded metadate template field.
*/
Field(JsonObject jsonObject) {
super(jsonObject);
}
/**
* Gets the data type of the field's value.
* @return the data type of the field's value.
*/
public String getType() {
return this.type;
}
/**
* Sets the data type of the field's value.
* @param type the data type of the field's value.
*/
public void setType(String type) {
this.type = type;
}
/**
* Gets the key of the field.
* @return the key of the field.
*/
public String getKey() {
return this.key;
}
/**
* Sets the key of the field.
* @param key the key of the field.
*/
public void setKey(String key) {
this.key = key;
}
/**
* Gets the display name of the field.
* @return the display name of the field.
*/
public String getDisplayName() {
return this.displayName;
}
/**
* Sets the display name of the field.
* @param displayName the display name of the field.
*/
public void setDisplayName(String displayName) {
this.displayName = displayName;
}
/**
* Gets is metadata template field hidden.
* @return is metadata template field hidden.
*/
public Boolean getIsHidden() {
return this.isHidden;
}
/**
* Sets is metadata template field hidden.
* @param isHidden is metadata template field hidden?
*/
public void setIsHidden(boolean isHidden) {
this.isHidden = isHidden;
}
/**
* Gets the description of the field.
* @return the description of the field.
*/
public String getDescription() {
return this.description;
}
/**
* Sets the description of the field.
* @param description the description of the field.
*/
public void setDescription(String description) {
this.description = description;
}
/**
* Gets list of possible options for enum type of the field.
* @return list of possible options for enum type of the field.
*/
public List getOptions() {
return this.options;
}
/**
* Sets list of possible options for enum type of the field.
* @param options list of possible options for enum type of the field.
*/
public void setOptions(List options) {
this.options = options;
}
/**
* {@inheritDoc}
*/
@Override
void parseJSONMember(JsonObject.Member member) {
JsonValue value = member.getValue();
String memberName = member.getName();
if (memberName.equals("type")) {
this.type = value.asString();
} else if (memberName.equals("key")) {
this.key = value.asString();
} else if (memberName.equals("displayName")) {
this.displayName = value.asString();
} else if (memberName.equals("hidden")) {
this.isHidden = value.asBoolean();
} else if (memberName.equals("description")) {
this.description = value.asString();
} else if (memberName.equals("options")) {
this.options = new ArrayList();
for (JsonValue key: value.asArray()) {
this.options.add(key.asObject().get("key").asString());
}
}
}
}
/**
* Posssible operations that can be performed in a Metadata template.
*
*
Add an enum option
*
Add a field
*
Edit a field
*
Edit template
*
Reorder the enum option
*
Reorder the field list
*
*/
public static class FieldOperation extends BoxJSONObject {
private Operation op;
private Field data;
private String fieldKey;
private List fieldKeys;
private List enumOptionKeys;
/**
* Constructs an empty FieldOperation.
*/
public FieldOperation() {
super();
}
/**
* Constructs a Field operation from a JSON string.
* @param json the json encoded metadate template field.
*/
public FieldOperation(String json) {
super(json);
}
/**
* Constructs a Field operation from a JSON object.
* @param jsonObject the json encoded metadate template field.
*/
FieldOperation(JsonObject jsonObject) {
super(jsonObject);
}
/**
* Gets the operation.
* @return the operation
*/
public Operation getOp() {
return this.op;
}
/**
* Gets the data associated with the operation.
* @return the field object representing the data
*/
public Field getData() {
return this.data;
}
/**
* Gets the field key.
* @return the field key
*/
public String getFieldKey() {
return this.fieldKey;
}
/**
* Gets the list of field keys.
* @return the list of Strings
*/
public List getFieldKeys() {
return this.fieldKeys;
}
/**
* Gets the list of keys of the Enum options.
* @return the list of Strings
*/
public List getEnumOptionKeys() {
return this.enumOptionKeys;
}
/**
* Sets the operation.
* @param op the operation
*/
public void setOp(Operation op) {
this.op = op;
}
/**
* Sets the data.
* @param data the Field object representing the data
*/
public void setData(Field data) {
this.data = data;
}
/**
* Sets the field key.
* @param fieldKey the key of the field
*/
public void setFieldKey(String fieldKey) {
this.fieldKey = fieldKey;
}
/**
* Sets the list of the field keys.
* @param fieldKeys the list of strings
*/
public void setFieldKeys(List fieldKeys) {
this.fieldKeys = fieldKeys;
}
/**
* Sets the list of the enum option keys.
* @param enumOptionKeys the list of Strings
*/
public void setEnumOptionKeys(List enumOptionKeys) {
this.enumOptionKeys = enumOptionKeys;
}
/**
* {@inheritDoc}
*/
@Override
void parseJSONMember(JsonObject.Member member) {
JsonValue value = member.getValue();
String memberName = member.getName();
if (memberName.equals("op")) {
this.op = Operation.valueOf(value.asString());
} else if (memberName.equals("data")) {
this.data = new Field(value.asObject());
} else if (memberName.equals("fieldKey")) {
this.fieldKey = value.asString();
} else if (memberName.equals("fieldKeys")) {
if (this.fieldKeys == null) {
this.fieldKeys = new ArrayList();
} else {
this.fieldKeys.clear();
}
JsonArray array = value.asArray();
for (JsonValue jsonValue: array) {
this.fieldKeys.add(jsonValue.asString());
}
} else if (memberName.equals("enumOptionKeys")) {
if (this.enumOptionKeys == null) {
this.enumOptionKeys = new ArrayList();
} else {
this.enumOptionKeys.clear();
}
JsonArray array = value.asArray();
for (JsonValue jsonValue: array) {
this.enumOptionKeys.add(jsonValue.asString());
}
}
}
}
/**
* Possible template operations.
*/
public enum Operation {
/**
* Adds an enum option at the end of the enum option list for the specified field.
*/
addEnumOption,
/**
* Adds a field at the end of the field list for the template.
*/
addField,
/**
* Edits any number of the base properties of a field: displayName, hidden, description.
*/
editField,
/**
* Edits any number of the base properties of a template: displayName, hidden.
*/
editTemplate,
/**
* Reorders the enum option list to match the requested enum option list.
*/
reorderEnumOptions,
/**
* Reorders the field list to match the requested field list.
*/
reorderFields
}
}
