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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package org.openqa.grid.common;
import static org.openqa.selenium.json.Json.MAP_TYPE;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
import org.openqa.grid.common.exception.GridConfigurationException;
import org.openqa.grid.internal.utils.configuration.GridNodeConfiguration;
import org.openqa.selenium.json.Json;
import org.openqa.selenium.json.JsonException;
import java.util.Map;
import java.util.TreeMap;
/**
* Helper to register to the grid. Using JSON to exchange the object between the node and the hub.
*/
public class RegistrationRequest {
// some special param for capability
public static final String MAX_INSTANCES = "maxInstances";
// see enum SeleniumProtocol
public static final String SELENIUM_PROTOCOL = "seleniumProtocol";
public static final String PATH = "path";
@SerializedName( "class" )
@Expose( deserialize = false)
private final String clazz = RegistrationRequest.class.getCanonicalName();
@Expose
private String name;
@Expose
private String description;
@Expose
private GridNodeConfiguration configuration;
/**
* Create a new registration request using the default values of a
* {@link GridNodeConfiguration}
*/
public RegistrationRequest() {
this(new GridNodeConfiguration());
}
/**
* Create a new registration request using the supplied {@link GridNodeConfiguration}
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
*/
public RegistrationRequest(GridNodeConfiguration configuration) {
this(configuration, null, null);
}
/**
* Create a new registration request using the supplied {@link GridNodeConfiguration}, and name
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
* @param name the name for the remote
*/
public RegistrationRequest(GridNodeConfiguration configuration, String name) {
this(configuration, name, null);
}
/**
* Create a new registration request using the supplied {@link GridNodeConfiguration}, name, and
* description
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
* @param name the name for the remote
* @param description the description for the remote host
*/
public RegistrationRequest(GridNodeConfiguration configuration, String name, String description) {
this.configuration = (configuration == null) ? new GridNodeConfiguration() : configuration;
this.name = name;
this.description = description;
// make sure we have something that looks like a valid host
this.configuration.fixUpHost();
// make sure the capabilities are updated with required fields
this.configuration.fixUpCapabilities();
}
public String getName() {
return name;
}
public String getDescription() {
return description;
}
public GridNodeConfiguration getConfiguration() {
return configuration;
}
public Map toJson() {
Map json = new TreeMap<>();
json.put("class", getClass());
json.put("name", getName());
json.put("description", getDescription());
json.put("configuration", getConfiguration());
return json;
}
/**
* Create an object from a registration request formatted as a json string.
*
* @param jsonString JSON String
* @return
*/
public static RegistrationRequest fromJson(String jsonString) throws JsonException {
// If we could, we'd just get Json to coerce this for us, but that would lead to endless
// recursion as the first thing it would do would be to call this very method. *sigh*
Json json = new Json();
Map raw = json.toType(jsonString, MAP_TYPE);
RegistrationRequest request = new RegistrationRequest();
if (raw.get("name") instanceof String) {
request.name = (String) raw.get("name");
}
if (raw.get("description") instanceof String) {
request.description = (String) raw.get("description");
}
if (raw.get("configuration") instanceof Map) {
// This is nasty. Look away now!
String converted = json.toJson(raw.get("configuration"));
request.configuration = GridConfiguredJson.toType(converted, GridNodeConfiguration.class);
}
return request;
}
/**
* Build a RegistrationRequest.
* @return
*/
public static RegistrationRequest build() {
return RegistrationRequest.build(new GridNodeConfiguration(), null, null);
}
/**
* Build a RegistrationRequest from the provided {@link GridNodeConfiguration}. This is different
* than {@code new RegistrationRequest(GridNodeConfiguration)} because it will first load any
* specified {@link GridNodeConfiguration#nodeConfigFile} and then merge the provided
* configuration onto it.
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
*/
public static RegistrationRequest build(GridNodeConfiguration configuration) {
return RegistrationRequest.build(configuration, null, null);
}
/**
* Build a RegistrationRequest from the provided {@link GridNodeConfiguration}, use the provided
* name. This is different than {@code new RegistrationRequest(GridNodeConfiguration, String)}
* because it will first load any specified {@link GridNodeConfiguration#nodeConfigFile} and then
* merge the provided configuration onto it.
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
* @param name the name for the remote
*/
public static RegistrationRequest build(GridNodeConfiguration configuration, String name) {
return RegistrationRequest.build(configuration, name, null);
}
/**
* Build a RegistrationRequest from the provided {@link GridNodeConfiguration}, use the provided
* name and description. This is different than {@code new RegistrationRequest(GridNodeConfiguration,
* String, String)} because it will first load any specified {@link
* GridNodeConfiguration#nodeConfigFile} and then merge the provided configuration onto it.
*
* @param configuration the {@link GridNodeConfiguration} to use. Internally calls {@code new
* GridNodeConfiguration()} if a {@code null} value is provided since a
* request without configuration is not valid.
* @param name the name for the remote
* @param description the description for the remote host
*/
public static RegistrationRequest build(GridNodeConfiguration configuration, String name, String description) {
RegistrationRequest pendingRequest = new RegistrationRequest(configuration, name, description);
GridNodeConfiguration pendingConfiguration = pendingRequest.configuration;
if (pendingConfiguration.nodeConfigFile != null) {
pendingRequest.configuration = GridNodeConfiguration.loadFromJSON(pendingConfiguration.nodeConfigFile);
}
pendingRequest.configuration.merge(pendingConfiguration);
//update important merge protected values for the pendingRequest we are building.
if (pendingConfiguration.host != null) {
pendingRequest.configuration.host = pendingConfiguration.host;
}
if (pendingConfiguration.port != null) {
pendingRequest.configuration.port = pendingConfiguration.port;
}
// make sure we have a valid host
pendingRequest.configuration.fixUpHost();
// make sure the capabilities are updated with required fields
pendingRequest.configuration.fixUpCapabilities();
pendingRequest.configuration.dropCapabilitiesThatDoesNotMatchCurrentPlatform();
return pendingRequest;
}
/**
* Validate the current setting and throw a config exception is an invalid setup is detected.
*
* @throws GridConfigurationException grid configuration
*/
public void validate() throws GridConfigurationException {
// validations occur here in the getters called on the configuration.
try {
configuration.getHubHost();
configuration.getHubPort();
} catch (RuntimeException e) {
throw new GridConfigurationException(e.getMessage());
}
}
}