xmlbuilder.java

Jive 是一个系统工程

            out.write("<AdministratorList>");
            User user = (User)iter.next();
            if (user.isAnonymous()) {
                out.write("<Username type=\"GUEST\"/>");
            }
            else if (user.getID() == specialUserID) {
                out.write("<Username type=\"ANYUSER\"/>");
            }
            else {
                out.write("<Username type=\"USER\">");
                out.write(user.getUsername());
                out.write("</Username>");
            }

            out.write("</AdministratorList>");
        }
        //Member list
        iter = group.members();
        if (iter.hasNext()) {
            out.write("<MemberList>");
            User user = (User)iter.next();
            if (user.isAnonymous()) {
                out.write("<Username type=\"GUEST\"/>");
            }
            else if (user.getID() == specialUserID) {
                out.write("<Username type=\"ANYUSER\"/>");
            }
            else {
                out.write("<Username type=\"USER\">");
                out.write(user.getUsername());
                out.write("</Username>");
            }

            out.write("</MemberList>");
        }

        out.write("</Group>");
    }

    /**
     * Outputs a Forum object as an XML snippet.
     *
     * @param forum the Forum to turn into XML.
     * @param out a Writer to write the XML out to.
     */
    protected static void objectToXML(Forum forum, ProfileManager profileManager,  Writer out)
            throws IOException, UnauthorizedException
    {
        if (forum == null) {
            return;
        }

        out.write("<Forum><Name>");
        out.write(StringUtils.escapeForXML(forum.getName()));
        out.write("</Name><Description>");
        out.write(StringUtils.escapeForXML(forum.getDescription()));
        out.write("</Description>");

        out.write("<CreationDate>");
        out.write(formatter.format(forum.getCreationDate()));
        out.write("</CreationDate><ModifiedDate>");
        out.write(formatter.format(forum.getModifiedDate()));
        out.write("</ModifiedDate>");

        //FilterList
        /*
        ForumMessageFilter [] filterList = forum.getForumMessageFilters();
        if (filterList.length > 0) {
            out.write("<FilterList>");
            for (int i=0; i<filterList.length; i++) {
                ForumMessageFilter filter = filterList[i];
                out.write("<Filter><Name>");
                out.write(filter.getName());
                out.write("</Name><Classname>");
                out.write(filter.getClass().getName());
                out.write("</Classname><Index>" + i + "</Index>");
                //Hanlde message properties
                Enumeration enum = filter.filterPropertyNames();
                if (enum.hasMoreElements()) {
                    out.write("<PropertyList>");
                    while (enum.hasMoreElements()) {
                        String propName = (String)enum.nextElement();
                        String propValue = StringUtils.escapeForXML(filter.getFilterProperty(propName));
                        StringBuffer propBuff = new StringBuffer();
                        propBuff.append("<Property name=\"").append(propName).append("\" ");
                        propBuff.append("value=\"").append(propValue).append("\" />");
                        out.write(propBuff.toString());
                    }
                    out.write("</PropertyList>");
                }
                out.write("</Filter>");
            }
            out.write("</FilterList>");
        }*/

        //Permissions List
        out.write("<PermissionList>");

        //User List
        User specialUser = profileManager.getSpecialUser();
        //Iterate through each permission type for users
        out.write("<UserPermissionList>");
        int [] permTypes = new int [] { ForumPermissions.READ,
            ForumPermissions.FORUM_ADMIN, ForumPermissions.MODERATOR,
            ForumPermissions.CREATE_THREAD, ForumPermissions.CREATE_MESSAGE
        };
        String [] permNames = new String [] {
            "READ", "FORUM_ADMIN", "MODERATOR", "CREATE_THREAD", "CREATE_MESSAGE"
        };
        for (int i=0; i<permNames.length; i++) {
            int [] userList = forum.usersWithPermission(permTypes[i]);
            for (int j=0; j<userList.length; j++) {
                try {
                    User user = profileManager.getUser(userList[j]);
                    if (user.isAnonymous()) {
                        out.write("<UserPermission usertype=\"GUEST\"");
                        out.write(" permission=\"" + permNames[i] + "\"/>");
                    }
                    else if (user.getID() == specialUser.getID()) {
                        out.write("<UserPermission usertype=\"ANYUSER\"");
                        out.write(" permission=\"" + permNames[i] + "\"/>");
                    }
                    else {
                        out.write("<UserPermission usertype=\"USER\" username=\"");
                        out.write(user.getUsername());
                        out.write("\" permission=\"" + permNames[i] + "\"/>");
                    }
                }
                catch (UserNotFoundException unfe) { }
            }
        }
        out.write("</UserPermissionList>");

        //Group List
        out.write("<GroupPermissionList>");
        for (int i=0; i<permNames.length; i++) {
            int [] groupList = forum.groupsWithPermission(permTypes[i]);
            for (int j=0; j<groupList.length; j++) {
                try {
                    Group group = profileManager.getGroup(groupList[j]);
                    out.write("<GroupPermission groupname=\"" + group.getName() + "\"");
                    out.write(" permission=\"" + permNames[i] + "\"/>");
                }
                catch (GroupNotFoundException unfe) { }
            }
        }
        out.write("</GroupPermissionList>");
        out.write("</PermissionList>");

        //Forum properties
        Enumeration enum = forum.propertyNames();
        if (enum.hasMoreElements()) {
            out.write("<PropertyList>");
            while (enum.hasMoreElements()) {
                String propName = (String)enum.nextElement();
                String propValue = StringUtils.escapeForXML(forum.getProperty(propName));
                StringBuffer propBuff = new StringBuffer();
                propBuff.append("<Property name=\"").append(propName).append("\" ");
                propBuff.append("value=\"").append(propValue).append("\"/>");
                out.write(propBuff.toString());
            }
            out.write("</PropertyList>");
        }

        //Print out the threads under the forum
        Iterator iter = forum.threads();
        if (iter.hasNext()) {
            out.write("<ThreadList>");
            while (iter.hasNext()) {
                objectToXML((ForumThread)iter.next(), out);
            }
            out.write("</ThreadList>");
        }

        out.write("</Forum>");
    }

    /**
     * Outputs a ForumThread object as XML.
     *
     * @param thread the ForumThread to turn into XML.
     * @param out a Writer to write the XML out to.
     */
    protected static void objectToXML(ForumThread thread, Writer out)
            throws IOException
    {
        if (thread == null) {
            return;
        }

        String threadName = thread.getName();
        if( threadName == null ) {
            threadName = "";
        }

        out.write("<Thread><Name>");
        out.write(StringUtils.escapeForXML(threadName));
        out.write("</Name>");

        out.write("<CreationDate>");
        out.write(formatter.format(thread.getCreationDate()));
        out.write("</CreationDate><ModifiedDate>");
        out.write(formatter.format(thread.getModifiedDate()));
        out.write("</ModifiedDate>");

        //Print out the messages under the thread
        objectToXML(thread.getRootMessage(), out);

        out.write("</Thread>");
    }

    /**
     * Outputs a ForumMessage object as an XML snippet. Child messages are
     * written out recursively as part of each message XML element. Therefore,
     * calling this method on the root message of a thread will print out all
     * messages in the thread.
     *
     * @param message the ForumMessage to turn into XML.
     * @param out a Writer to write the XML out to.
     */
    protected static void objectToXML(ForumMessage message, Writer out)
            throws IOException
    {
        if (message == null) {
            return;
        }

        String subject = message.getSubject();
        if( subject == null ) {
            subject = "";
        }
        String body = message.getUnfilteredBody();
        if( body == null ) {
            body = "";
        }
        out.write("<Message><Subject>");
        out.write(StringUtils.escapeForXML(subject));
        out.write("</Subject><Body>");
        out.write(StringUtils.escapeForXML(body));
        out.write("</Body>");

        //Only print out a username element if the message isn't anonymous.
        if (!message.isAnonymous()) {
            out.write("<Username>");
            out.write(StringUtils.escapeForXML(message.getUser().getUsername()));
            out.write("</Username>");
        }

        out.write("<CreationDate>");
        out.write(formatter.format(message.getCreationDate()));
        out.write("</CreationDate><ModifiedDate>");
        out.write(formatter.format(message.getModifiedDate()));
        out.write("</ModifiedDate>");

        //Message properties
        Iterator iter = message.propertyNames();
        if (iter.hasNext()) {
            out.write("<PropertyList>");
            while (iter.hasNext()) {
                String propName = (String)iter.next();
                String propValue = StringUtils.escapeForXML(message.getProperty(propName));
                StringBuffer propBuff = new StringBuffer();
                propBuff.append("<Property name=\"").append(propName).append("\" ");
                propBuff.append("value=\"").append(propValue).append("\"/>");
                out.write(propBuff.toString());
            }
            out.write("</PropertyList>");
        }

        //Print out any sub-messages
        ForumThread thread = message.getForumThread();
        TreeWalker walker = thread.treeWalker();
        int childCount = walker.getChildCount(message);
        if (childCount > 0) {
            out.write("<MessageList>");
            for (int i=0; i<childCount; i++) {
                ForumMessage childMessage = walker.getChild(message, i);
                objectToXML(childMessage, out);
            }
            out.write("</MessageList>");
        }
        out.write("</Message>");
    }


}