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BasicLTI Utilities are a set of utility classes to aid in the development of BasicLTI consumers and providers. They deal with much of the heavy lifting and make the process more opaque to the developer.

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/*
 * Copyright (c) 2013 IMS GLobal Learning Consortium
 *
 * Licensed 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.imsglobal.lti2;

public class LTI2Constants {
	/**
	 * LTI2_VERSION_STRING=LTI-2p0
	 * 
	 * This indicates an LTI 2.0 launch.
	 */
	public static final String LTI2_VERSION_STRING = "LTI-2p0";

	/**
	 * REG_KEY="9875"
	 * 

	 * This is the registration key for the callback.
	 */
	public static final String REG_KEY = "reg_key";

	/**
	 * REG_PASSWORD="9875"
	 * 

	 * This is the registration password for the callback.
	 */
	public static final String REG_PASSWORD = "reg_password";

	/**
	 * TC_PROFILE_URL
	 * 
	 * This is the profile URL.
	 */
	public static final String TC_PROFILE_URL = "tc_profile_url";

	public static final String JSONLD_ID = "@id";
	public static final String CONTEXT = "@context";
	public static final String TYPE = "@type";
	public static final String VALUE = "@value";
	public static final String GRAPH = "@graph";

	public static final String CUSTOM_URL = "custom_url";
	public static final String TOOL_PROXY_GUID = "tool_proxy_guid";
	public static final String SHARED_SECRET = "shared_secret";
	public static final String CUSTOM = "custom";
	public static final String SECURITY_CONTRACT = "security_contract";
	public static final String SERVICE = "service";
	public static final String TOOL_SERVICE = "tool_service";
	public static final String GRADE = "grade";
	public static final String GRADE_TYPE_DECIMAL = "decimal";
	public static final String COMMENT = "comment";
	public static final String RESULTSCORE = "resultScore";

	/**
	 * Utility array useful for validating property names when building launch
	 * data.
	 */
	public static final String[] validPropertyNames = { 
        REG_KEY, REG_PASSWORD, TC_PROFILE_URL };

}