| /* |
| * 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.commons.chain2.testutils; |
| |
| |
| import org.apache.commons.chain2.Command; |
| import org.apache.commons.chain2.Context; |
| import org.apache.commons.chain2.Processing; |
| |
| |
| /** |
| * <p>Implementation of {@link Command} that simply logs its identifier |
| * and returns.</p> |
| * |
| * @version $Id$ |
| */ |
| |
| public class NonDelegatingCommand implements Command<String, Object, Context<String, Object>> { |
| |
| |
| // ------------------------------------------------------------ Constructor |
| |
| |
| public NonDelegatingCommand() { |
| this(""); |
| } |
| |
| |
| // Construct an instance that will log the specified identifier |
| public NonDelegatingCommand(String id) { |
| this.id = id; |
| } |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| // The identifier to log for this Command instance |
| protected String id = null; |
| |
| String getId() { |
| return (this.id); |
| } |
| |
| public void setId(String id) { |
| this.id = id; |
| } |
| |
| |
| // -------------------------------------------------------- Command Methods |
| |
| |
| // Execution method for this Command |
| public Processing execute(Context<String, Object> context) { |
| |
| if (context == null) { |
| throw new IllegalArgumentException(); |
| } |
| log(context, id); |
| return Processing.FINISHED; |
| |
| } |
| |
| |
| |
| // ------------------------------------------------------ Protected Methods |
| |
| |
| /** |
| * <p>Log the specified <code>id</code> into a StringBuffer attribute |
| * named "log" in the specified <code>context</code>, creating it if |
| * necessary.</p> |
| * |
| * @param context The {@link Context} into which we log the identifiers |
| * @param id The identifier to be logged |
| */ |
| protected void log(Context<String, Object> context, String id) { |
| StringBuilder sb = (StringBuilder) context.get("log"); |
| if (sb == null) { |
| sb = new StringBuilder(); |
| context.put("log", sb); |
| } |
| if (sb.length() > 0) { |
| sb.append('/'); |
| } |
| sb.append(id); |
| } |
| |
| |
| } |