content/release-doc/current/internals/org/apache/river/tool/DebugDynamicPolicyProvider.html - river-site - Git at Google

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 <div class="subTitle">org.apache.river.tool</div>
 <h2 title="Class DebugDynamicPolicyProvider" class="title">Class DebugDynamicPolicyProvider</h2>
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 <li><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">java.security.Policy</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../org/apache/river/api/security/AbstractPolicy.html" title="class in org.apache.river.api.security">org.apache.river.api.security.AbstractPolicy</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html" title="class in net.jini.security.policy">net.jini.security.policy.DynamicPolicyProvider</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.river.tool.DebugDynamicPolicyProvider</li>
 </ul>
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 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd><a href="../../../../net/jini/security/policy/DynamicPolicy.html" title="interface in net.jini.security.policy">DynamicPolicy</a>, <a href="../../../../org/apache/river/api/security/RevocablePolicy.html" title="interface in org.apache.river.api.security">RevocablePolicy</a>, <a href="../../../../org/apache/river/api/security/ScalableNestedPolicy.html" title="interface in org.apache.river.api.security">ScalableNestedPolicy</a></dd>
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 <hr>
 <br>
 <pre>public class <span class="typeNameLabel">DebugDynamicPolicyProvider</span>
 extends <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html" title="class in net.jini.security.policy">DynamicPolicyProvider</a></pre>
 <div class="block">Defines a <a href="../../../../net/jini/security/policy/DynamicPolicy.html" title="interface in net.jini.security.policy"><code>DynamicPolicy</code></a> that logs information about missing
  permissions, and optionally grants all permissions, which is <b>FOR
  DEBUGGING ONLY</b>. Do not use this security policy provider to grant
  all permissions in a production environment. <p>

  This class is intended to simplify the process of deciding what security
  permissions to grant to run an application.  While it is generally
  acceptable to grant all permissions to local, trusted code, downloaded
  code should typically be granted the least permission possible. <p>

  The usual approach to choosing which permissions to grant is to start by
  running the application with a security policy file that grants all
  permissions to local, trusted code.  When the application fails with an
  exception message that identifies a missing permission, add that
  permission to the security policy file, and repeat the process. Although
  straight forward, this process can be time consuming if the application
  requires many permission grants. <p>

  Another approach is to set the value of the
  <code>"java.security.debug"</code> system property to
  <code>"access,failure"</code>, which produces debugging output that
  describes permission grants and failures. Unfortunately, this approach
  produces voluminous output, making it difficult to determine which
  permission grants are needed. <p>

  This security policy provider permits another, hopefully more
  convenient, approach. When this class is specified as the security
  policy provider, and granting all permissions is enabled, it uses the
  standard dynamic security policy to determine what permissions are
  granted. If a permission is not granted by the standard policy, though,
  then rather than denying permission, this class logs the missing
  permission in the form required by the security policy file, and grants
  the permission, allowing the program to continue. In this way,
  developers can determine the complete set of security permissions
  required by the application. <p>

  Note that the information printed by this security policy provider may
  not be in the form you wish to use in your policy file. In particular,
  using system property substitutions and <code>KeyStore</code> aliases
  may produce a more portable file than one containing the exact entries
  logged. Note, too, that the information printed for
  <code>signedBy</code> fields specifies the principal name for
  <code>X.509</code> certificates, rather than the <code>KeyStore</code>
  alias, which is not a valid security policy file format. <p>

  Using this security policy provider without granting all permissions is
  also useful since it prints information about security exceptions that
  were caught, but that might have an affect on program behavior. <p>

  This class uses uses the <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Logger.html?is-external=true" title="class or interface in java.util.logging"><code>Logger</code></a> named
  <code>net.jini.security.policy</code> to log information at the following
  levels: <ul>

  <li> <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Level.html?is-external=true#WARNING" title="class or interface in java.util.logging"><code>WARNING</code></a> - Permissions that were needed but not
  granted by the policy file.

  <li> <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Level.html?is-external=true#FINE" title="class or interface in java.util.logging"><code>FINE</code></a> - Also include stack traces.

  <li> <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Level.html?is-external=true#FINER" title="class or interface in java.util.logging"><code>FINER</code></a> - All permissions granted, with stack traces
  for ones not granted by the policy file, and dynamic grants.

  <li> <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Level.html?is-external=true#FINEST" title="class or interface in java.util.logging"><code>FINEST</code></a> - All permissions granted, with all stack
  traces, and dynamic grants. </ul>

  To use this security policy provider, do the following: <ul>

  <li> Copy the <code>jsk-policy.jar</code> file from the <code>lib-ext</code>
  subdirectory of the Apache River release
  installation to the extensions directory of the Java(TM) 2 SDK (or JRE)
  installation, and copy the <code>jsk-debug-policy.jar</code> file
  from the <code>lib</code> subdirectory of the Apache River release installation to
  the extensions directory of the Java 2 SDK (or JRE) installation.

  <li> Specify this class as the security policy provider. Create a copy of
  the file <code>jre/lib/security/security/java.security</code>, modify the
  file to contain the line:

  <blockquote>
  <pre>
  policy.provider=org.apache.river.tool.DebugDynamicPolicyProvider
  </pre>
  </blockquote>

  and then specify this new file as the value of the
  <code>java.security.properties</code> system property.

  <li> Specify whether all permissions should be granted by setting the
  <code>org.apache.river.tool.DebugDynamicPolicyProvider.grantAll</code> security
  property to <code>true</code> by adding the following line to the security
  properties file:

  <blockquote>
  <pre>
  org.apache.river.tool.DebugDynamicPolicyProvider.grantAll=true
  </pre>
  </blockquote> </ul> <p>

  Granting all permissions is disabled by default. <p>

  Make sure to specify a security manager, either by setting the
  <code>java.security.manager</code> system property, or putting the following
  code in the main method of the application:

  <blockquote>
  <pre>
  if (System.getSecurityManager() == null) {
      System.setSecurityManager(new SecurityManager());
  }
  </pre>
  </blockquote>

  <p>This provider can be used in conjunction with the provider
  <code>org.apache.river.start.AggregatePolicyProvider</code> by setting the
  <code>org.apache.river.start.AggregatePolicyProvider.mainPolicyClass</code>
  system property to the fully qualified name of this class.  If this
  provider is used with the <code>AggregatePolicyProvider</code>, then the
  JAR file <code>jsk-debug-policy.jar</code> needs to be in the
  application's class path, and this class needs to be granted all
  permissions.</div>
 <dl>
 <dt><span class="simpleTagLabel">Author:</span></dt>
 <dd>Sun Microsystems, Inc.</dd>
 </dl>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
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 <tr class="altColor">
 <td class="colFirst"><code>private static class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.Request.html" title="class in org.apache.river.tool">DebugDynamicPolicyProvider.Request</a></span></code>&nbsp;</td>
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 <h3>Nested classes/interfaces inherited from class&nbsp;java.security.<a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">Policy</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.Parameters.html?is-external=true" title="class or interface in java.security">Policy.Parameters</a></code></li>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
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 <tr class="altColor">
 <td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/6/docs/api/java/security/CodeSource.html?is-external=true" title="class or interface in java.security">CodeSource</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#emptyCS">emptyCS</a></span></code>
 <div class="block">The empty codesource.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#grantAll">grantAll</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Logger.html?is-external=true" title="class or interface in java.util.logging">Logger</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#logger">logger</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#requests">requests</a></span></code>&nbsp;</td>
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 <h3>Fields inherited from class&nbsp;org.apache.river.api.security.<a href="../../../../org/apache/river/api/security/AbstractPolicy.html" title="class in org.apache.river.api.security">AbstractPolicy</a></h3>
 <code><a href="../../../../org/apache/river/api/security/AbstractPolicy.html#ALL_PERMISSION">ALL_PERMISSION</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#comparator">comparator</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#umbrella">umbrella</a></code></li>
 </ul>
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 <h3>Fields inherited from class&nbsp;java.security.<a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">Policy</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#UNSUPPORTED_EMPTY_COLLECTION" title="class or interface in java.security">UNSUPPORTED_EMPTY_COLLECTION</a></code></li>
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 <th class="colOne" scope="col">Constructor and Description</th>
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 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#DebugDynamicPolicyProvider--">DebugDynamicPolicyProvider</a></span>()</code>
 <div class="block">Creates an instance of this class that wraps a default underlying
  policy, as specified by <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#DynamicPolicyProvider--"><code>DynamicPolicyProvider()</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#DebugDynamicPolicyProvider-java.security.Policy-">DebugDynamicPolicyProvider</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">Policy</a>&nbsp;basePolicy)</code>
 <div class="block">Creates an instance of this class that wraps around the given
  non-<code>null</code> base policy object.</div>
 </td>
 </tr>
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 </li>
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 <h3>Method Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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 <td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#getCertName-java.security.cert.Certificate-">getCertName</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/cert/Certificate.html?is-external=true" title="class or interface in java.security.cert">Certificate</a>&nbsp;cert)</code>
 <div class="block">Returns the name of the certificate.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#grant-java.lang.Class-java.security.Principal:A-java.security.Permission:A-">grant</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;cl,
      <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Principal.html?is-external=true" title="class or interface in java.security">Principal</a>[]&nbsp;principals,
      <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Permission.html?is-external=true" title="class or interface in java.security">Permission</a>[]&nbsp;permissions)</code>
 <div class="block">Log calls.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#implies-java.security.ProtectionDomain-java.security.Permission-">implies</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/ProtectionDomain.html?is-external=true" title="class or interface in java.security">ProtectionDomain</a>&nbsp;pd,
        <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Permission.html?is-external=true" title="class or interface in java.security">Permission</a>&nbsp;perm)</code>
 <div class="block">Always returns true, but logs unique requests</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/river/tool/DebugDynamicPolicyProvider.html#quoteString-java.lang.String-">quoteString</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;s)</code>
 <div class="block">Returns a quoted version of the argument, such that it would result in
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 <h3>Methods inherited from class&nbsp;net.jini.security.policy.<a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html" title="class in net.jini.security.policy">DynamicPolicyProvider</a></h3>
 <code><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#getGrants-java.lang.Class-java.security.Principal:A-">getGrants</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#getPermissionGrants-java.security.ProtectionDomain-">getPermissionGrants</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#getPermissions-java.security.CodeSource-">getPermissions</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#getPermissions-java.security.ProtectionDomain-">getPermissions</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#grant-org.apache.river.api.security.PermissionGrant-">grant</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#grantSupported--">grantSupported</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#refresh--">refresh</a>, <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#revokeSupported--">revokeSupported</a></code></li>
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 <code><a href="../../../../org/apache/river/api/security/AbstractPolicy.html#checkCallerHasGrants-java.util.Collection-">checkCallerHasGrants</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#checkNullElements-java.lang.Object:A-">checkNullElements</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#convert-java.util.NavigableSet-int-float-int-int-">convert</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#expandUmbrella-java.security.PermissionCollection-">expandUmbrella</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#extractGrantFromPolicy-java.security.Policy-java.security.ProtectionDomain-">extractGrantFromPolicy</a>, <a href="../../../../org/apache/river/api/security/AbstractPolicy.html#processGrants-java.util.Collection-java.lang.Class-boolean-java.util.NavigableSet-">processGrants</a></code></li>
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 <h3>Methods inherited from class&nbsp;java.security.<a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">Policy</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getInstance-java.lang.String-java.security.Policy.Parameters-" title="class or interface in java.security">getInstance</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getInstance-java.lang.String-java.security.Policy.Parameters-java.security.Provider-" title="class or interface in java.security">getInstance</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getInstance-java.lang.String-java.security.Policy.Parameters-java.lang.String-" title="class or interface in java.security">getInstance</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getParameters--" title="class or interface in java.security">getParameters</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getPolicy--" title="class or interface in java.security">getPolicy</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getProvider--" title="class or interface in java.security">getProvider</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#getType--" title="class or interface in java.security">getType</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true#setPolicy-java.security.Policy-" title="class or interface in java.security">setPolicy</a></code></li>
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 <h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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 <pre>private static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/logging/Logger.html?is-external=true" title="class or interface in java.util.logging">Logger</a> logger</pre>
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 <pre>private static&nbsp;boolean grantAll</pre>
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 <pre>private static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a> requests</pre>
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 <pre>private static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/security/CodeSource.html?is-external=true" title="class or interface in java.security">CodeSource</a> emptyCS</pre>
 <div class="block">The empty codesource.</div>
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 <pre>public&nbsp;DebugDynamicPolicyProvider()
                            throws <a href="../../../../net/jini/security/policy/PolicyInitializationException.html" title="class in net.jini.security.policy">PolicyInitializationException</a></pre>
 <div class="block">Creates an instance of this class that wraps a default underlying
  policy, as specified by <a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#DynamicPolicyProvider--"><code>DynamicPolicyProvider()</code></a>.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../net/jini/security/policy/PolicyInitializationException.html" title="class in net.jini.security.policy">PolicyInitializationException</a></code> - if unable to construct the base
                policy</dd>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a></code> - if there is a security manager and the calling
                context does not have adequate permissions to read the <code>
                net.jini.security.policy.DynamicPolicyProvider.basePolicyClass
                </code> security property, or if the calling context does not
                have adequate permissions to access the base policy class</dd>
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 <pre>public&nbsp;DebugDynamicPolicyProvider(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/Policy.html?is-external=true" title="class or interface in java.security">Policy</a>&nbsp;basePolicy)</pre>
 <div class="block">Creates an instance of this class that wraps around the given
  non-<code>null</code> base policy object.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>basePolicy</code> - base policy object containing information about
         non-dynamic grants</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>basePolicy</code> is
                <code>null</code></dd>
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 <pre>public&nbsp;void&nbsp;grant(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;cl,
                   <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Principal.html?is-external=true" title="class or interface in java.security">Principal</a>[]&nbsp;principals,
                   <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Permission.html?is-external=true" title="class or interface in java.security">Permission</a>[]&nbsp;permissions)</pre>
 <div class="block">Log calls.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../net/jini/security/policy/DynamicPolicy.html#grant-java.lang.Class-java.security.Principal:A-java.security.Permission:A-">grant</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../net/jini/security/policy/DynamicPolicy.html" title="interface in net.jini.security.policy">DynamicPolicy</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#grant-java.lang.Class-java.security.Principal:A-java.security.Permission:A-">grant</a></code>&nbsp;in class&nbsp;<code><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html" title="class in net.jini.security.policy">DynamicPolicyProvider</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>cl</code> - class to grant permissions to the class loader of, or
                 <code>null</code> if granting across all class loaders</dd>
 <dd><code>principals</code> - if non-<code>null</code>, minimum set of principals
                 to which grants apply</dd>
 <dd><code>permissions</code> - if non-<code>null</code>, permissions to grant</dd>
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 <pre>public&nbsp;boolean&nbsp;implies(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/ProtectionDomain.html?is-external=true" title="class or interface in java.security">ProtectionDomain</a>&nbsp;pd,
                        <a href="http://docs.oracle.com/javase/6/docs/api/java/security/Permission.html?is-external=true" title="class or interface in java.security">Permission</a>&nbsp;perm)</pre>
 <div class="block">Always returns true, but logs unique requests</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html#implies-java.security.ProtectionDomain-java.security.Permission-">implies</a></code>&nbsp;in class&nbsp;<code><a href="../../../../net/jini/security/policy/DynamicPolicyProvider.html" title="class in net.jini.security.policy">DynamicPolicyProvider</a></code></dd>
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 <pre>private static&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getCertName(<a href="http://docs.oracle.com/javase/6/docs/api/java/security/cert/Certificate.html?is-external=true" title="class or interface in java.security.cert">Certificate</a>&nbsp;cert)</pre>
 <div class="block">Returns the name of the certificate.</div>
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 <pre>private static&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;quoteString(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;s)</pre>
 <div class="block">Returns a quoted version of the argument, such that it would result in
  the argument if read from a file with the standard String syntax.</div>
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