1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.oauth;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import org.openstreetmap.josm.io.auth.CredentialsAgent;
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7 | import org.openstreetmap.josm.io.auth.CredentialsAgentException;
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8 | import org.openstreetmap.josm.spi.preferences.Config;
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9 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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10 | import org.openstreetmap.josm.tools.Logging;
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11 |
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12 | /**
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13 | * Class holding OAuth access token key and secret.
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14 | * @since 12686 (moved from {@code gui.preferences.server} package)
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15 | */
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16 | public class OAuthAccessTokenHolder {
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17 | private static OAuthAccessTokenHolder instance;
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18 |
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19 | /**
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20 | * Replies the unique instance.
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21 | * @return The unique instance of {@code OAuthAccessTokenHolder}
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22 | */
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23 | public static synchronized OAuthAccessTokenHolder getInstance() {
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24 | if (instance == null) {
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25 | instance = new OAuthAccessTokenHolder();
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26 | }
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27 | return instance;
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28 | }
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29 |
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30 | private boolean saveToPreferences;
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31 | private String accessTokenKey;
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32 | private String accessTokenSecret;
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33 |
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34 | /**
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35 | * Replies true if current access token should be saved to the preferences file.
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36 | *
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37 | * @return true if current access token should be saved to the preferences file.
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38 | */
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39 | public boolean isSaveToPreferences() {
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40 | return saveToPreferences;
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41 | }
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42 |
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43 | /**
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44 | * Sets whether the current access token should be saved to the preferences file.
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45 | *
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46 | * If true, the access token is saved in clear text to the preferences file. The same
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47 | * access token can therefore be used in multiple JOSM sessions.
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48 | *
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49 | * If false, the access token isn't saved to the preferences file. If JOSM is closed,
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50 | * the access token is lost and new token has to be generated by the OSM server the
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51 | * next time JOSM is used.
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52 | *
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53 | * @param saveToPreferences {@code true} to save to preferences file
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54 | */
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55 | public void setSaveToPreferences(boolean saveToPreferences) {
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56 | this.saveToPreferences = saveToPreferences;
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57 | }
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58 |
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59 | /**
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60 | * Replies the access token key. null, if no access token key is currently set.
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61 | *
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62 | * @return the access token key
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63 | */
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64 | public String getAccessTokenKey() {
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65 | return accessTokenKey;
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66 | }
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67 |
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68 | /**
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69 | * Sets the access token key. Pass in null to remove the current access token key.
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70 | *
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71 | * @param accessTokenKey the access token key
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72 | */
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73 | public void setAccessTokenKey(String accessTokenKey) {
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74 | this.accessTokenKey = accessTokenKey;
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75 | }
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76 |
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77 | /**
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78 | * Replies the access token secret. null, if no access token secret is currently set.
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79 | *
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80 | * @return the access token secret
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81 | */
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82 | public String getAccessTokenSecret() {
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83 | return accessTokenSecret;
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84 | }
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85 |
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86 | /**
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87 | * Sets the access token secret. Pass in null to remove the current access token secret.
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88 | *
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89 | * @param accessTokenSecret access token secret, or null
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90 | */
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91 | public void setAccessTokenSecret(String accessTokenSecret) {
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92 | this.accessTokenSecret = accessTokenSecret;
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93 | }
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94 |
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95 | /**
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96 | * Replies the access token.
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97 | * @return the access token, can be {@code null}
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98 | */
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99 | public OAuthToken getAccessToken() {
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100 | if (!containsAccessToken())
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101 | return null;
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102 | return new OAuthToken(accessTokenKey, accessTokenSecret);
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103 | }
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104 |
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105 | /**
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106 | * Sets the access token hold by this holder.
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107 | *
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108 | * @param accessTokenKey the access token key
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109 | * @param accessTokenSecret the access token secret
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110 | */
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111 | public void setAccessToken(String accessTokenKey, String accessTokenSecret) {
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112 | this.accessTokenKey = accessTokenKey;
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113 | this.accessTokenSecret = accessTokenSecret;
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114 | }
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115 |
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116 | /**
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117 | * Sets the access token hold by this holder.
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118 | *
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119 | * @param token the access token. Can be null to clear the content in this holder.
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120 | */
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121 | public void setAccessToken(OAuthToken token) {
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122 | if (token == null) {
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123 | this.accessTokenKey = null;
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124 | this.accessTokenSecret = null;
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125 | } else {
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126 | this.accessTokenKey = token.getKey();
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127 | this.accessTokenSecret = token.getSecret();
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128 | }
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129 | }
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130 |
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131 | /**
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132 | * Replies true if this holder contains an complete access token, consisting of an
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133 | * Access Token Key and an Access Token Secret.
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134 | *
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135 | * @return true if this holder contains an complete access token
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136 | */
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137 | public boolean containsAccessToken() {
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138 | return accessTokenKey != null && accessTokenSecret != null;
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139 | }
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140 |
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141 | /**
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142 | * Initializes the content of this holder from the Access Token managed by the
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143 | * credential manager.
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144 | *
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145 | * @param cm the credential manager. Must not be null.
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146 | * @throws IllegalArgumentException if cm is null
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147 | */
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148 | public void init(CredentialsAgent cm) {
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149 | CheckParameterUtil.ensureParameterNotNull(cm, "cm");
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150 | OAuthToken token = null;
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151 | try {
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152 | token = cm.lookupOAuthAccessToken();
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153 | } catch (CredentialsAgentException e) {
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154 | Logging.error(e);
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155 | Logging.warn(tr("Failed to retrieve OAuth Access Token from credential manager"));
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156 | Logging.warn(tr("Current credential manager is of type ''{0}''", cm.getClass().getName()));
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157 | }
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158 | saveToPreferences = Config.getPref().getBoolean("oauth.access-token.save-to-preferences", true);
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159 | if (token != null) {
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160 | accessTokenKey = token.getKey();
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161 | accessTokenSecret = token.getSecret();
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162 | }
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163 | }
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164 |
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165 | /**
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166 | * Saves the content of this holder to the preferences and a credential store managed
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167 | * by a credential manager.
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168 | *
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169 | * @param cm the credentials manager. Must not be null.
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170 | * @throws IllegalArgumentException if cm is null
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171 | */
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172 | public void save(CredentialsAgent cm) {
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173 | CheckParameterUtil.ensureParameterNotNull(cm, "cm");
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174 | Config.getPref().putBoolean("oauth.access-token.save-to-preferences", saveToPreferences);
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175 | try {
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176 | if (!saveToPreferences) {
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177 | cm.storeOAuthAccessToken(null);
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178 | } else {
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179 | cm.storeOAuthAccessToken(new OAuthToken(accessTokenKey, accessTokenSecret));
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180 | }
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181 | } catch (CredentialsAgentException e) {
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182 | Logging.error(e);
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183 | Logging.warn(tr("Failed to store OAuth Access Token to credentials manager"));
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184 | Logging.warn(tr("Current credential manager is of type ''{0}''", cm.getClass().getName()));
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185 | }
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186 | }
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187 |
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188 | /**
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189 | * Clears the content of this holder
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190 | */
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191 | public void clear() {
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192 | accessTokenKey = null;
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193 | accessTokenSecret = null;
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194 | }
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195 | }
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