interceptors.jsp

jive的源码

                    if (descriptors[i].getName().equals(newPropName)) {
                        propDescriptor = descriptors[i];
                        break;
                    }
                }
                if (propDescriptor != null) {
                    // Get both the read and write methods:
                    Method readMethod = propDescriptor.getReadMethod();
                    Method writeMethod = propDescriptor.getWriteMethod();
                    // Get the String[] via the read method:
                    String[] entries = (String[])readMethod.invoke(interceptor, null);
                    // Make a new entry array of entries.length+1 because we're
                    // adding one more entry to the property
                    String[] newEntries = new String[entries.length+1];
                    for (int i=0; i<entries.length; i++) {
                        newEntries[i] = entries[i];
                    }
                    // The new prop value goes in the last spot of newEntries:
                    newEntries[newEntries.length-1] = newPropValue;
                    // Use the write method to save the new entries:
                    writeMethod.invoke(interceptor, new Object[]{newEntries});
                    // Save interceptors
                    interceptorManager.saveInterceptors();
                    // Done, so redirect
                    StringBuffer url = new StringBuffer();
                    url.append("interceptors.jsp?forum=").append(forumID);
                    url.append("&edit=true&pos=").append(interceptorIndex);
                    response.sendRedirect(url.toString());
                    return;
                }
            }
        }
    }

    // Remove one of the String[] prop entries:
    if (deletePropEntry) {
        if (deletePropertyName != null) {
            // The interceptor we're working with:
            MessageInterceptor interceptor = interceptorManager.getInterceptor(interceptorIndex);
            PropertyDescriptor[] descriptors = (Introspector.getBeanInfo(interceptor.getClass())).getPropertyDescriptors();
            PropertyDescriptor propDescriptor = null;
            // Look for the property specified
            for (int i=0; i<descriptors.length; i++) {
                if (descriptors[i].getName().equals(deletePropertyName)) {
                    propDescriptor = descriptors[i];
                    break;
                }
            }
            if (propDescriptor != null) {
                // Get both the read and write methods:
                Method readMethod = propDescriptor.getReadMethod();
                Method writeMethod = propDescriptor.getWriteMethod();
                // Get the String[] via the read method:
                String[] entries = (String[])readMethod.invoke(interceptor, null);
                // Make a new entry array of entries.length+1 because we're
                // adding one more entry to the property
                String[] newEntries = new String[entries.length-1];
                int offset = 0;
                for (int i=0; i<newEntries.length; i++) {
                    // Skip the index of the item we want to delete
                    if (i == deleteIndex) {
                        offset++;
                    }
                    newEntries[i] = entries[i+offset];
                }
                // Use the write method to save the new entries:
                writeMethod.invoke(interceptor, new Object[]{newEntries});
                // Save interceptors
                interceptorManager.saveInterceptors();
                // Done, so redirect
                StringBuffer url = new StringBuffer();
                url.append("interceptors.jsp?forum=").append(forumID);
                url.append("&edit=true&pos=").append(interceptorIndex);
                response.sendRedirect(url.toString());
                return;
            }
        }
    }

    // Save interceptor properties
    if (saveProperties) {
        if (interceptorIndex >= 0) {
            // The interceptor we're working with
            MessageInterceptor interceptor = interceptorManager.getInterceptor(interceptorIndex);
            // A map of name/value pairs. The names are the names of the bean
            // properties and the values come as parameters to this page
            Map properties = getInterceptorPropertyValues(request, interceptorManager, interceptor);
            // Set the properties
            BeanUtils.setProperties(interceptor, properties);
            // Save the interceptors
            interceptorManager.saveInterceptors();
            // Done, so redirect to this page
            response.sendRedirect("interceptors.jsp?forum=" + forumID);
            return;
        }
    }

    // Add a new interceptor to the list of installable interceptors
    if (addInterceptor) {
        try {
            if (newClassname == null) {
                throw new ClassNotFoundException("No classname specified.");
            }
            try {
                // Load the specified class, make sure it's an insance of the interceptor class:
                Class c = ClassUtils.forName(newClassname.trim());
                Object obj = c.newInstance();
                if (obj instanceof MessageInterceptor) {
                    interceptorManager.addInterceptorClass(newClassname.trim());
                }
            }
            catch (Exception e) {
                throw new ClassNotFoundException();
            }
        }
        catch (ClassNotFoundException cnfe) {
            setOneTimeMessage(session, "message",
                "\"" + newClassname + "\" is not a valid classname.");
        }
        response.sendRedirect("interceptors.jsp?forum=" + forumID);
        return;
    }

    // Change the position of a interceptor
    if (changePosition) {
        if (interceptorIndex >= 0) {
            // Get the interceptor at the specified interceptor position
            MessageInterceptor interceptor = interceptorManager.getInterceptor(interceptorIndex);
            // Re-add it based on the "direction" we're doing. First, remove it:
            interceptorManager.removeInterceptor(interceptorIndex);
            if (up) {
                interceptorManager.addInterceptor(interceptorIndex-1, interceptor);
            }
            if (down) {
                interceptorManager.addInterceptor(interceptorIndex+1, interceptor);
            }
            // done, so redirect
            response.sendRedirect("interceptors.jsp?forum=" + forumID);
            return;
        }
    }

    // Number of installed interceptors
    int interceptorCount = interceptorManager.getInterceptorCount();
    // All interceptor classes
    MessageInterceptor[] interceptors = interceptorManager.getAvailableInterceptors();

    if (install && classname != null) {
        try {
            MessageInterceptor newInterceptor = (MessageInterceptor)(ClassUtils.forName(classname)).newInstance();
            interceptorManager.addInterceptor(0, newInterceptor);
            String redirect = "interceptors.jsp";
            if (forumID > -1L) {
                redirect += "?forum=" + forumID;
            }
            response.sendRedirect(redirect);
            return;
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }

    if (remove && position > -1) {
        interceptorManager.removeInterceptor(position);
        String redirect = "interceptors.jsp";
        if (forumID > -1L) {
            redirect += "?forum=" + forumID;
        }
        response.sendRedirect(redirect);
        return;
    }
%>

<%@ include file="header.jsp" %>

<%  // Title of this page and breadcrumbs
    String title = "";
    if (isGlobal) {
        title = "Global Message Interceptors";
    } else {
        title = "Message Interceptors";
    }

    String[][] breadcrumbs = null;
    if (isGlobal) {
        breadcrumbs = new String[][] {
            {"Main", "main.jsp"},
            {title, "interceptors.jsp"}
        };
    }
    else {
        breadcrumbs = new String[][] {
            {"Main", "main.jsp"},
            {"Forums", "forums.jsp"},
            {"Edit Forum", "editForum.jsp?forum="+forumID},
            {title, "interceptors.jsp?forum="+forumID}
        };
    }
%>
<%@ include file="title.jsp" %>

<span>
<font size="-1">
<%  if (isGlobal) { %>
    Interceptors examine messages before they enter the system and can modify or
    reject them. Use the forms below to install and customize global interceptors.
<%  } else { %>
    Interceptors examine messages before they enter the system and can modify or
    reject them. Use the forms below to install and customize local interceptors.
<%  } %>
</font>
</span>

<p>

<script language="JavaScript" type="text/javascript">
var interceptorInfo = new Array(
<%	for (int i=0; i<interceptors.length; i++) {
        try {
            BeanDescriptor descriptor = (Introspector.getBeanInfo(interceptors[i].getClass())).getBeanDescriptor();
%>
    new Array(
        "<%= descriptor.getBeanClass().getName() %>",
        "<%= descriptor.getValue("version") %>",
        "<%= descriptor.getValue("author") %>",
        "<%= StringUtils.replace(descriptor.getShortDescription(), "\"", "\\\"") %>"
    )
<%          if ((interceptors.length-i) > 1) { %>
		,
<%	        }
        } catch (Exception e) {}
    }
%>
);
function properties(theForm) {
    var className = theForm.interceptors.options[theForm.interceptors.selectedIndex].value;
    var selected = 0;
    for (selected=0; selected<interceptorInfo.length; selected++) {
        if (interceptorInfo[selected][0] == className) {
            var version = interceptorInfo[selected][1];
            var author = interceptorInfo[selected][2];
            var description = interceptorInfo[selected][3];
            theForm.version.value = ((version=="null")?"":version);
            theForm.author.value = ((author=="null")?"":author);
            theForm.description.value = ((description=="null")?"":description);
            break;
        }
    }
}
</script>

<%  // Print out a message if one exists
    String oneTimeMessage = getOneTimeMessage(session, "message");
    if (oneTimeMessage != null) {
%>
    <font size="-1" color="#ff0000">
    <i><%= oneTimeMessage %></i>
    </font>
    <p>
<%  }
%>

<%  // Colors