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java.security.acl.Group翻译

作者：未知来源：月光软件站 加入时间：2005-5-13　月光软件站

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Group (Java 2 Platform SE v1.4.2)
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<H2>

java.security.acl
 
Interface Group</H2>
<DL>
<DT>All Superinterfaces: <DD><A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A></DD>
</DL>
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<DL>
<DT>public interface Group<DT>extends <A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A></DL>

This interface is used to represent a group of principals. (A principal
represents an entity such as an individual user or a company).
该接口用来表示主体的组（一个主体表示一个实体，比如个人用户或者公司）。

Note that Group extends Principal. Thus, either a Principal or a Group can
be passed as an argument to methods containing a Principal parameter. For
example, you can add either a Principal or a Group to a Group object by
calling the object's <code>addMember</code> method, passing it the
Principal or Group.
注意，Group由Principal继承而来。因此，Principal或Group都可以用来作为
包含Principal变量方法的参数。例如，你可以通过调用传入Principal或Group的该对象的addMember方法给Group对象
添加一个Principal或Group。

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<CODE> boolean</CODE></TD>
<TD><CODE><A HREF="../../../java/security/acl/Group.html#addMember(java.security.Principal)">addMember</A>(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> user)</CODE>

Adds the specified member to the group.
给组添加指定的成员。</TD>
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<CODE> boolean</CODE></TD>
<TD><CODE><A HREF="../../../java/security/acl/Group.html#isMember(java.security.Principal)">isMember</A>(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> member)</CODE>

Returns true if the passed principal is a member of the group.
如果实体参数是该组的成员时返回true。</TD>
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<CODE> <A HREF="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</A></CODE></TD>
<TD><CODE><A HREF="../../../java/security/acl/Group.html#members()">members</A>()</CODE>

Returns an enumeration of the members in the group.
返回该组成员的枚举。</TD>
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<CODE> boolean</CODE></TD>
<TD><CODE><A HREF="../../../java/security/acl/Group.html#removeMember(java.security.Principal)">removeMember</A>(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> user)</CODE>

Removes the specified member from the group.
从该组中删除指定成员。</TD>
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<TD>Methods inherited from interface java.security.<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A></TD>
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<TD><CODE><A HREF="../../../java/security/Principal.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../java/security/Principal.html#getName()">getName</A>, <A HREF="../../../java/security/Principal.html#hashCode()">hashCode</A>, <A HREF="../../../java/security/Principal.html#toString()">toString</A></CODE></TD>
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<A NAME="addMember(java.security.Principal)"></A><H3>
addMember</H3>
<PRE>
public boolean addMember(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> user)</PRE>
<DL>
<DD>Adds the specified member to the group.
给组添加指定的成员。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>user</CODE> - the principal to add to this group. 用来添加给该组的主体。
<DT>Returns:<DD>true if the member was successfully added,
false if the principal was already a member.
如果该成员被成功添加，返回true，如果该主体已经是一个成员，返回false。</DL>
</DD>
</DL>
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<A NAME="removeMember(java.security.Principal)"></A><H3>
removeMember</H3>
<PRE>
public boolean removeMember(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> user)</PRE>
<DL>
<DD>Removes the specified member from the group.
从该组中删除指定成员。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>user</CODE> - the principal to remove from this group. 用来从组中删除的主体。
<DT>Returns:<DD>true if the principal was removed, or
false if the principal was not a member.
如果该主体被删除，返回true，如果该主体不是一个成员返回false。</DL>
</DD>
</DL>
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<A NAME="isMember(java.security.Principal)"></A><H3>
isMember</H3>
<PRE>
public boolean isMember(<A HREF="../../../java/security/Principal.html" title="interface in java.security">Principal</A> member)</PRE>
<DL>
<DD>Returns true if the passed principal is a member of the group.
This method does a recursive search, so if a principal belongs to a
group which is a member of this group, true is returned.
如果实体参数是该组的成员时返回true。该方法作递归查找，因此如果一个主体属于组成员的组，返回true。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>member</CODE> - the principal whose membership is to be checked.
用来检查成员资格的主体。
<DT>Returns:<DD>true if the principal is a member of this group,
false otherwise. 如果主体是该组的成员，返回true，否则为false。</DL>
</DD>
</DL>
<HR>

<A NAME="members()"></A><H3>
members</H3>
<PRE>
public <A HREF="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</A> members()</PRE>
<DL>
<DD>Returns an enumeration of the members in the group.
The returned objects can be instances of either Principal
or Group (which is a subclass of Principal).
返回该组成员的枚举。返回的对象可以是Principal或者Group（Principal子类）的实例。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>an enumeration of the group members.
该组成员的枚举。</DL>
</DD>
</DL>

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