| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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.jackrabbit.command.info; |
| |
| import java.util.Iterator; |
| |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.commons.chain.Context; |
| import org.apache.jackrabbit.command.CommandException; |
| |
| /** |
| * Lists collected <code>Node</code>s.<br> |
| * This <code>Command</code> looks for an <code>Iterator</code> under the |
| * given <code>Context</code> variable and lists its <code>Node</code>s. |
| */ |
| public class LsCollectedNodes extends AbstractLsNodes { |
| /** Context variable that holds the Iterator */ |
| private String fromKey = "collected"; |
| |
| /** |
| * @return the context variable |
| */ |
| public String getFromKey() { |
| return fromKey; |
| } |
| |
| /** |
| * Sets the <code>Context<code> variable |
| * @param contextVariable |
| * the context variable |
| */ |
| public void setFromKey(String contextVariable) { |
| this.fromKey = contextVariable; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected Iterator getNodes(Context ctx) throws CommandException, |
| RepositoryException { |
| this.setPath(true); |
| Object o = ctx.get(this.fromKey); |
| if (o == null || !(o instanceof Iterator)) { |
| throw new JcrInfoCommandException( |
| "illegalargument.no.iterator.under", new String[] { |
| fromKey |
| }); |
| } |
| return (Iterator) o; |
| } |
| } |