accesscontrolcontext.html

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<A NAME="AccessControlContext(java.security.ProtectionDomain[])"><!-- --></A><H3>
AccessControlContext</H3>
<PRE>
public <B>AccessControlContext</B>(<A HREF="../../java/security/ProtectionDomain.html">ProtectionDomain</A>[]&nbsp;context)</PRE>
<DL>
<DD>Create an AccessControlContext with the given set of ProtectionDomains.
 Context must not be null. Duplicate domains will be removed from the
 context.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>context</CODE> - the ProtectionDomains associated with this context.</DL>
</DD>
</DL>
<HR>

<A NAME="AccessControlContext(java.security.AccessControlContext, java.security.DomainCombiner)"><!-- --></A><H3>
AccessControlContext</H3>
<PRE>
public <B>AccessControlContext</B>(<A HREF="../../java/security/AccessControlContext.html">AccessControlContext</A>&nbsp;acc,
                            <A HREF="../../java/security/DomainCombiner.html">DomainCombiner</A>&nbsp;combiner)</PRE>
<DL>
<DD>Create a new <code>AccessControlContext</code> with the given
 <code>AccessControlContext</code> and <code>DomainCombiner</code>.
 This constructor associates the provided
 <code>DomainCombiner</code> with the provided
 <code>AccessControlContext</code>.

 <p><DD><DL>
<DT><B>Parameters:</B><DD><CODE>acc</CODE> - the <code>AccessControlContext</code> associated
		with the provided <code>DomainCombiner</code>. <p><DD><CODE>combiner</CODE> - the <code>DomainCombiner</code> to be associated
		with the provided <code>AccessControlContext</code>.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/lang/NullPointerException.html">NullPointerException</A></CODE> - if either the provided
		<code>context</code> or the provided
		<code>combiner</code> are <code>null</code>. <p><DD><CODE><A HREF="../../java/lang/SecurityException.html">SecurityException</A></CODE> - if the caller does not have permission
		to invoke this constructor.</DL>
</DD>
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<A NAME="getDomainCombiner()"><!-- --></A><H3>
getDomainCombiner</H3>
<PRE>
public <A HREF="../../java/security/DomainCombiner.html">DomainCombiner</A> <B>getDomainCombiner</B>()</PRE>
<DL>
<DD>Get the <code>DomainCombiner</code> associated with this
 <code>AccessControlContext</code>.

 <p><DD><DL>
<DT><B>Returns:</B><DD>the <code>DomainCombiner</code> associated with this
		<code>AccessControlContext</code>, or <code>null</code>
		if there is none.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/lang/SecurityException.html">SecurityException</A></CODE> - if the caller does not have permission
		to get the <code>DomainCombiner</code> associated with this
		<code>AccessControlContext</code>.</DL>
</DD>
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<A NAME="checkPermission(java.security.Permission)"><!-- --></A><H3>
checkPermission</H3>
<PRE>
public void <B>checkPermission</B>(<A HREF="../../java/security/Permission.html">Permission</A>&nbsp;perm)
                     throws <A HREF="../../java/security/AccessControlException.html">AccessControlException</A></PRE>
<DL>
<DD>Determines whether the access request indicated by the
 specified permission should be allowed or denied, based on
 the security policy currently in effect, and the context in
 this object.
 <p>
 This method quietly returns if the access request
 is permitted, or throws a suitable AccessControlException otherwise.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>perm</CODE> - the requested permission.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/security/AccessControlException.html">AccessControlException</A></CODE> - if the specified permission
 is not permitted, based on the current security policy and the
 context encapsulated by this object.<DD><CODE><A HREF="../../java/lang/NullPointerException.html">NullPointerException</A></CODE> - if the permission to check for is null.</DL>
</DD>
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<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="../../java/lang/Object.html">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Checks two AccessControlContext objects for equality. 
 Checks that <i>obj</i> is
 an AccessControlContext and has the same set of ProtectionDomains
 as this context.
 <P><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object we are testing for equality with this object.<DT><B>Returns:</B><DD>true if <i>obj</i> is an AccessControlContext, and has the 
 same set of ProtectionDomains as this context, false otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns the hash code value for this context. The hash code
 is computed by exclusive or-ing the hash code of all the protection
 domains in the context together.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a hash code value for this context.</DL>
</DD>
</DL>
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