| /* |
| * Copyright 2004-2005 The Apache Software Foundation or its licensors, |
| * as applicable. |
| * |
| * Licensed 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.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.ResourceBundle; |
| |
| import javax.jcr.Property; |
| import javax.jcr.PropertyType; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Value; |
| import javax.jcr.ValueFormatException; |
| |
| import org.apache.commons.chain.Context; |
| import org.apache.jackrabbit.command.CommandHelper; |
| |
| /** |
| * List properties superclass |
| */ |
| public abstract class AbstractLsProperties extends AbstractLs { |
| |
| /** bundle */ |
| private static ResourceBundle bundle = CommandHelper.getBundle(); |
| |
| /** length of length field */ |
| private static final int LENGTH_LENGTH = 8; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public final boolean execute(Context ctx) throws Exception { |
| int[] width = new int[] { |
| 30, longWidth, longWidth, LENGTH_LENGTH, 18 |
| }; |
| |
| String header[] = new String[] { |
| bundle.getString("word.name"), |
| bundle.getString("word.multiple"), |
| bundle.getString("word.type"), bundle.getString("word.length"), |
| bundle.getString("word.preview") |
| }; |
| |
| PrintHelper.printRow(ctx, width, header); |
| PrintHelper.printSeparatorRow(ctx, width, '-'); |
| |
| int index = 0; |
| Iterator iter = getProperties(ctx); |
| |
| int maxItems = getMaxItems(ctx); |
| |
| while (iter.hasNext() && index < maxItems) { |
| Property p = (Property) iter.next(); |
| |
| long length = 0; |
| |
| if (p.getDefinition().isMultiple()) { |
| long[] lengths = p.getLengths(); |
| for (int i = 0; i < lengths.length; i++) { |
| length += lengths[i]; |
| } |
| } else { |
| length = p.getLength(); |
| } |
| |
| String multiple = Boolean.toString(p.getDefinition().isMultiple()); |
| if (p.getDefinition().isMultiple()) { |
| multiple += "[" + p.getValues().length + "]"; |
| } |
| |
| Collection row = new ArrayList(); |
| row.add(p.getName()); |
| row.add(multiple); |
| row.add(PropertyType.nameFromValue(p.getType())); |
| row.add(Long.toString(length)); |
| // preview |
| if (p.getDefinition().isMultiple()) { |
| row.add(this.getMultiplePreview(p)); |
| } else { |
| row.add(this.getPreview(p)); |
| } |
| |
| PrintHelper.printRow(ctx, width, row); |
| index++; |
| } |
| |
| CommandHelper.getOutput(ctx).println(); |
| |
| // Write footer |
| printFooter(ctx, iter); |
| |
| return false; |
| } |
| |
| /** |
| * @param ctx |
| * the <code>Context</code> |
| * @return collected <code>Property</code> s to display |
| * @throws Exception |
| * if the <code>Property</code> s can't be retrieved |
| */ |
| protected abstract Iterator getProperties(Context ctx) throws Exception; |
| |
| /** |
| * @param property |
| * @return the first 50 characters of single value properties |
| * @throws RepositoryException |
| */ |
| private String getPreview(Property p) throws RepositoryException { |
| String value = p.getValue().getString(); |
| return value.substring(0, Math.min(value.length(), 50)); |
| } |
| |
| /** |
| * @param property |
| * @return a <code>Collection</code> in which element contains the first |
| * 50 characters of the <code>Value</code>'s string |
| * representation |
| * @throws RepositoryException |
| * @throws ValueFormatException |
| */ |
| private Collection getMultiplePreview(Property p) |
| throws ValueFormatException, RepositoryException { |
| Collection c = new ArrayList(); |
| Value[] values = p.getValues(); |
| for (int i = 0; i < values.length; i++) { |
| try { |
| String value = values[i].getString(); |
| c.add(value.substring(0, Math.min(value.length(), 50))); |
| } catch (ValueFormatException e) { |
| c.add(bundle.getString("phrase.notavailable")); |
| } |
| } |
| return c; |
| } |
| } |