| /* |
| * 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 org.apache.cocoon.components.modules.input; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Vector; |
| |
| /** |
| * RandomNumberModule returns a random number as a string. |
| * Configuration through child elements: "min", "max" setting |
| * range of random number. Defaults to "0" and "9999999999" |
| * respectively. |
| * |
| * @author <a href="mailto:haul@apache.org">Christian Haul</a> |
| * @version $Id$ |
| */ |
| public class RandomNumberModule extends AbstractInputModule implements ThreadSafe { |
| |
| final static Vector returnNames; |
| static { |
| Vector tmp = new Vector(); |
| tmp.add("randomNumber"); |
| returnNames = tmp; |
| } |
| |
| public Object getAttribute(String name, Configuration modeConf, Map objectModel) throws ConfigurationException { |
| long min = Long.parseLong((String)this.settings.get("min", "0")); |
| long max = Long.parseLong((String)this.settings.get("max", String.valueOf(Long.MAX_VALUE))); |
| if (modeConf != null) { |
| min = modeConf.getAttributeAsLong("max", min); |
| max = modeConf.getAttributeAsLong("max", max); |
| |
| //preferred |
| min = modeConf.getChild("min").getValueAsLong(min); |
| max = modeConf.getChild("max").getValueAsLong(max); |
| } |
| return Long.toString(min + Math.round(Math.random()*(max-min))); |
| } |
| |
| public Iterator getAttributeNames(Configuration modeConf, Map objectModel) throws ConfigurationException { |
| return RandomNumberModule.returnNames.iterator(); |
| } |
| |
| public Object[] getAttributeValues(String name, Configuration modeConf, Map objectModel) |
| throws ConfigurationException { |
| List values = new LinkedList(); |
| values.add(this.getAttribute(name, modeConf, objectModel)); |
| return values.toArray(); |
| } |
| } |