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annotate src/org/eclipse/jetty/util/security/Constraint.java @ 803:166b16bda630

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remove org.eclipse.jetty.util.preventers
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:21:32 -0600
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.util.security;
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20
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21 import java.io.Serializable;
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22 import java.util.Arrays;
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23
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24 /* ------------------------------------------------------------ */
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25 /**
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26 * Describe an auth and/or data constraint.
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27 *
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28 *
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29 */
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30 public class Constraint implements Cloneable, Serializable
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31 {
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32 /* ------------------------------------------------------------ */
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33 public final static String __BASIC_AUTH = "BASIC";
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34
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35 public final static String __FORM_AUTH = "FORM";
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36
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37 public final static String __DIGEST_AUTH = "DIGEST";
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38
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39 public final static String __CERT_AUTH = "CLIENT_CERT";
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40
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41 public final static String __CERT_AUTH2 = "CLIENT-CERT";
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42
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43 public final static String __SPNEGO_AUTH = "SPNEGO";
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44
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45 public final static String __NEGOTIATE_AUTH = "NEGOTIATE";
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46
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47 public static boolean validateMethod (String method)
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48 {
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49 if (method == null)
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50 return false;
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51 method = method.trim();
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52 return (method.equals(__FORM_AUTH)
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53 || method.equals(__BASIC_AUTH)
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54 || method.equals (__DIGEST_AUTH)
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55 || method.equals (__CERT_AUTH)
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56 || method.equals(__CERT_AUTH2)
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57 || method.equals(__SPNEGO_AUTH)
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58 || method.equals(__NEGOTIATE_AUTH));
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59 }
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60
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61 /* ------------------------------------------------------------ */
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62 public final static int DC_UNSET = -1, DC_NONE = 0, DC_INTEGRAL = 1, DC_CONFIDENTIAL = 2, DC_FORBIDDEN = 3;
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63
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64 /* ------------------------------------------------------------ */
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65 public final static String NONE = "NONE";
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66
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67 public final static String ANY_ROLE = "*";
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68
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69 /* ------------------------------------------------------------ */
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70 private String _name;
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71
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72 private String[] _roles;
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73
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74 private int _dataConstraint = DC_UNSET;
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75
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76 private boolean _anyRole = false;
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77
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78 private boolean _authenticate = false;
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79
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80 /* ------------------------------------------------------------ */
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81 /**
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82 * Constructor.
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83 */
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84 public Constraint()
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85 {
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86 }
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87
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88 /* ------------------------------------------------------------ */
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89 /**
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90 * Conveniance Constructor.
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91 *
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92 * @param name
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93 * @param role
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94 */
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95 public Constraint(String name, String role)
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96 {
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97 setName(name);
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98 setRoles(new String[] { role });
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99 }
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100
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101 /* ------------------------------------------------------------ */
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102 @Override
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103 public Object clone() throws CloneNotSupportedException
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104 {
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105 return super.clone();
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106 }
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107
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108 /* ------------------------------------------------------------ */
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109 /**
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110 * @param name
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111 */
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112 public void setName(String name)
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113 {
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114 _name = name;
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115 }
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116
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117 /* ------------------------------------------------------------ */
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118 public void setRoles(String[] roles)
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119 {
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120 _roles = roles;
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121 _anyRole = false;
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122 if (roles != null)
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123 for (int i = roles.length; !_anyRole && i-- > 0;)
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124 _anyRole |= ANY_ROLE.equals(roles[i]);
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125 }
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126
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127 /* ------------------------------------------------------------ */
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128 /**
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129 * @return True if any user role is permitted.
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130 */
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131 public boolean isAnyRole()
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132 {
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133 return _anyRole;
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134 }
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135
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136 /* ------------------------------------------------------------ */
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137 /**
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138 * @return List of roles for this constraint.
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139 */
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140 public String[] getRoles()
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141 {
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142 return _roles;
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143 }
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144
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145 /* ------------------------------------------------------------ */
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146 /**
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147 * @param role
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148 * @return True if the constraint contains the role.
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149 */
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150 public boolean hasRole(String role)
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151 {
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152 if (_anyRole) return true;
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153 if (_roles != null) for (int i = _roles.length; i-- > 0;)
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154 if (role.equals(_roles[i])) return true;
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155 return false;
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156 }
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157
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158 /* ------------------------------------------------------------ */
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159 /**
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160 * @param authenticate True if users must be authenticated
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161 */
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162 public void setAuthenticate(boolean authenticate)
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163 {
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164 _authenticate = authenticate;
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165 }
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166
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167 /* ------------------------------------------------------------ */
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168 /**
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169 * @return True if the constraint requires request authentication
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170 */
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171 public boolean getAuthenticate()
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172 {
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173 return _authenticate;
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174 }
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175
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176 /* ------------------------------------------------------------ */
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177 /**
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178 * @return True if authentication required but no roles set
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179 */
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180 public boolean isForbidden()
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181 {
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182 return _authenticate && !_anyRole && (_roles == null || _roles.length == 0);
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183 }
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184
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185 /* ------------------------------------------------------------ */
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186 /**
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187 * @param c Data constrain indicator: 0=DC+NONE, 1=DC_INTEGRAL &
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188 * 2=DC_CONFIDENTIAL
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189 */
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190 public void setDataConstraint(int c)
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191 {
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192 if (c < 0 || c > DC_CONFIDENTIAL) throw new IllegalArgumentException("Constraint out of range");
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193 _dataConstraint = c;
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194 }
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195
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196 /* ------------------------------------------------------------ */
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197 /**
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198 * @return Data constrain indicator: 0=DC+NONE, 1=DC_INTEGRAL &
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199 * 2=DC_CONFIDENTIAL
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200 */
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201 public int getDataConstraint()
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202 {
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203 return _dataConstraint;
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204 }
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205
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206 /* ------------------------------------------------------------ */
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207 /**
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208 * @return True if a data constraint has been set.
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209 */
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210 public boolean hasDataConstraint()
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211 {
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212 return _dataConstraint >= DC_NONE;
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213 }
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214
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215 /* ------------------------------------------------------------ */
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216 @Override
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217 public String toString()
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218 {
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219 return "SC{" + _name
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220 + ","
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221 + (_anyRole ? "*" : (_roles == null ? "-" : Arrays.asList(_roles).toString()))
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222 + ","
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223 + (_dataConstraint == DC_UNSET ? "DC_UNSET}" : (_dataConstraint == DC_NONE ? "NONE}" : (_dataConstraint == DC_INTEGRAL ? "INTEGRAL}" : "CONFIDENTIAL}")));
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224 }
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225
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226 }