| /* |
| * 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.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringReader; |
| |
| import javax.jcr.Item; |
| import javax.jcr.Node; |
| import javax.jcr.PathNotFoundException; |
| import javax.jcr.Property; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Value; |
| import javax.jcr.ValueFormatException; |
| |
| import org.apache.commons.chain.Command; |
| import org.apache.commons.chain.Context; |
| import org.apache.jackrabbit.command.CommandHelper; |
| import org.apache.jackrabbit.command.CommandException; |
| |
| /** |
| * Display the content of a <code>Property</code> or a <code>Node</code> of |
| * type nt:file or nt:resource. |
| */ |
| public class Cat implements Command { |
| /** property name */ |
| private String pathKey = "path"; |
| |
| /** index. [optional] argument to display multivalue properties */ |
| private String indexKey = "index"; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean execute(Context ctx) throws Exception { |
| String path = (String) ctx.get(this.pathKey); |
| Item item = CommandHelper.getItem(ctx, path); |
| if (item.isNode()) { |
| printNode(ctx, (Node) item); |
| } else { |
| printProperty(ctx, (Property) item); |
| } |
| return false; |
| } |
| |
| /** |
| * @return the path key |
| */ |
| public String getPathKey() { |
| return pathKey; |
| } |
| |
| /** |
| * @param path |
| * the path key to set |
| */ |
| public void setPathKey(String path) { |
| this.pathKey = path; |
| } |
| |
| /** |
| * @param ctx |
| * the <code>Context</code> |
| * @param n |
| * the <code>Node</code> |
| * @throws PathNotFoundException |
| * @throws CommandException |
| * @throws RepositoryException |
| * @throws IllegalStateException |
| * @throws IOException |
| */ |
| private void printNode(Context ctx, Node n) throws PathNotFoundException, |
| CommandException, RepositoryException, IllegalStateException, |
| IOException { |
| if (n.isNodeType("nt:file")) { |
| printValue(ctx, n.getNode("jcr:content").getProperty("jcr:data") |
| .getValue()); |
| } else if (n.isNodeType("nt:resource")) { |
| printValue(ctx, n.getProperty("jcr:data").getValue()); |
| } else { |
| throw new CommandException("exception.cat.unsupported.type", |
| new String[] { |
| n.getPrimaryNodeType().getName() |
| }); |
| } |
| } |
| |
| /** |
| * @param ctx |
| * the <code>Context</code> |
| * @param p |
| * the <code>Property</code> |
| * @throws CommandException |
| * @throws ValueFormatException |
| * @throws IllegalStateException |
| * @throws RepositoryException |
| * @throws IOException |
| */ |
| private void printProperty(Context ctx, Property p) |
| throws CommandException, ValueFormatException, |
| IllegalStateException, RepositoryException, IOException { |
| String indexStr = (String) ctx.get(this.indexKey); |
| int index = 0; |
| if (indexStr != null) { |
| index = Integer.parseInt(indexStr); |
| } |
| if (p.getDefinition().isMultiple()) { |
| printValue(ctx, p.getValues()[index]); |
| } else { |
| printValue(ctx, p.getValue()); |
| } |
| } |
| |
| /** |
| * Read the value |
| * @param ctx |
| * the <code>Context</code> |
| * @param value |
| * the <code>Value</code> |
| * @throws ValueFormatException |
| * @throws IllegalStateException |
| * @throws RepositoryException |
| * @throws IOException |
| */ |
| private void printValue(Context ctx, Value value) |
| throws ValueFormatException, IllegalStateException, |
| RepositoryException, IOException { |
| PrintWriter out = CommandHelper.getOutput(ctx); |
| out.println(); |
| BufferedReader in = new BufferedReader(new StringReader(value |
| .getString())); |
| String str = null; |
| while ((str = in.readLine()) != null) { |
| out.println(str); |
| } |
| } |
| |
| /** |
| * @return the index key |
| */ |
| public String getIndexKey() { |
| return indexKey; |
| } |
| |
| /** |
| * @param indexKey |
| * the index key to set |
| */ |
| public void setIndexKey(String indexKey) { |
| this.indexKey = indexKey; |
| } |
| } |