/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package javax.mail;
/**
* A representation of a Quota item for a given quota root.
*
* @version $Rev$ $Date$
*/
public class Quota {
/**
* The name of the quota root.
*/
public String quotaRoot;
/**
* The resources associated with this quota root.
*/
public Resource[] resources;
/**
* Create a Quota with the given name and no resources.
*
* @param quotaRoot The quota root name.
*/
public Quota(final String quotaRoot) {
this.quotaRoot = quotaRoot;
}
/**
* Set a limit value for a resource. If the resource is not
* currently associated with this Quota, a new Resource item is
* added to the resources list.
*
* @param name The target resource name.
* @param limit The new limit value for the resource.
*/
public void setResourceLimit(final String name, final long limit) {
final Resource target = findResource(name);
target.limit = limit;
}
/**
* Locate a particular named resource, adding one to the list
* if it does not exist.
*
* @param name The target resource name.
*
* @return A Resource item for this named resource (either existing or new).
*/
private Resource findResource(final String name) {
// no resources yet? Make it so.
if (resources == null) {
final Resource target = new Resource(name, 0, 0);
resources = new Resource[] { target };
return target;
}
// see if this one exists and return it.
for (int i = 0; i < resources.length; i++) {
final Resource current = resources[i];
if (current.name.equalsIgnoreCase(name)) {
return current;
}
}
// have to extend the array...this is a pain.
final Resource[] newResources = new Resource[resources.length + 1];
System.arraycopy(resources, 0, newResources, 0, resources.length);
final Resource target = new Resource(name, 0, 0);
newResources[resources.length] = target;
resources = newResources;
return target;
}
/**
* A representation of a given resource definition.
*/
public static class Resource {
/**
* The resource name.
*/
public String name;
/**
* The current resource usage.
*/
public long usage;
/**
* The limit value for this resource.
*/
public long limit;
/**
* Construct a Resource object from the given name and usage/limit
* information.
*
* @param name The Resource name.
* @param usage The current resource usage.
* @param limit The Resource limit value.
*/
public Resource(final String name, final long usage, final long limit) {
this.name = name;
this.usage = usage;
this.limit = limit;
}
}
}