Tilman
113 lines
4.0 KiB
Java
113 lines
4.0 KiB
Java
/* Copyright (c) 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.oauth;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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/**
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* Helper class for loading data related to making an OAuth request. It isn't
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* necessary to understand the details of this class in order to understand the
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* OAuth examples.
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*
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*
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*/
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public abstract class UserInputHelper {
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/** Helper method to read input from the command line. */
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protected static String readCommandLineInput() {
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System.out.print("> ");
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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String userInput = null;
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try {
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userInput = br.readLine();
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} catch (IOException ioe) {
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System.out.println("IO error trying to read input!");
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System.exit(1);
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}
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System.out.println();
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return userInput;
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}
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/** Loads the variables from the user for a specific OAuth request. */
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public abstract UserInputVariables getVariables();
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/** Loads the services that a supported by this specific example. */
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protected abstract ArrayList<UserInputVariables.GoogleServiceType>
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getSupportedServices();
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/** Print out the header that begins each OAuth example. */
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protected void printHeader() {
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System.out.println();
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System.out.println("=============");
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System.out.println("Testing OAuth");
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System.out.println("=============");
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System.out.println();
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System.out.println("This sample will show you how to use OAuth to retrieve "
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+ "information from a Google Data service. Follow the instructions "
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+ "below to continue");
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System.out.println();
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}
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/** Get the Google service type from the user. */
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protected UserInputVariables.GoogleServiceType getGoogleServiceType() {
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System.out.println("Please select a Google service to query:");
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ArrayList<UserInputVariables.GoogleServiceType> services =
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getSupportedServices();
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for (int i = 0; i < services.size(); i++) {
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System.out.println("\t" + (i + 1) + ") " + services.get(i).toString());
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}
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return services.get(Integer.parseInt(readCommandLineInput()) - 1);
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}
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/** Get the signature method from the user. */
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protected UserInputVariables.SignatureMethod getSignatureMethod() {
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System.out.println("Please select a signature method:");
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for (UserInputVariables.SignatureMethod m :
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UserInputVariables.SignatureMethod.values()) {
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System.out.println("\t" + (m.ordinal() + 1) + ") " + m.toString());
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}
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return UserInputVariables.SignatureMethod.values()[
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Integer.parseInt(readCommandLineInput()) - 1];
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}
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/** Get the consumer key from the user. */
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protected String getOAuthConsumerKey() {
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System.out.println("Please enter your OAuth consumer key (usually your "
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+ "domain, visit https://www.google.com/accounts/ManageDomains to "
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+ "manage your OAuth parameters)");
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return readCommandLineInput();
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}
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/** Get the RSA private key from the user. */
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protected String getRsaPrivateKey() {
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System.out.println("Please enter your RSA private key (the key should "
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+ "be a Base-64 encoded string conforming to the PKCS #8 standard");
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return readCommandLineInput();
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}
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/** Get the consumer secret from the user. */
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protected String getConsumerSecret() {
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System.out.println("Please enter your OAuth consumer secret (visit "
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+ "https://www.google.com/accounts/ManageDomains to view your "
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+ "consumer secret)");
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return readCommandLineInput();
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}
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}
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