java.security.acl.Group翻译

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Group (Java 2 Platform SE v1.4.2)

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JavaTM 2 Platform Std. Ed. v1.4.2

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<H2>

java.security.acl

Interface Group</H2>

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<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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Method Summary</TD>

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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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Method Detail</TD>

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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。

</DL>

</DD>

<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>

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removeMember</H3>

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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。

</DL>

</DD>

<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>

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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。

</DL>

</DD>

<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>

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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。

</DL>

</DD>

<DT>Returns:<DD>an enumeration of the group members.

该组成员的枚举。</DL>

</DD>

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JavaTM 2 Platform Std. Ed. v1.4.2

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