001 /* 002 * JBoss DNA (http://www.jboss.org/dna) 003 * See the COPYRIGHT.txt file distributed with this work for information 004 * regarding copyright ownership. Some portions may be licensed 005 * to Red Hat, Inc. under one or more contributor license agreements. 006 * See the AUTHORS.txt file in the distribution for a full listing of 007 * individual contributors. 008 * 009 * Unless otherwise indicated, all code in JBoss DNA is licensed 010 * to you under the terms of the GNU Lesser General Public License as 011 * published by the Free Software Foundation; either version 2.1 of 012 * the License, or (at your option) any later version. 013 * 014 * JBoss DNA is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 017 * Lesser General Public License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this software; if not, write to the Free 021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 023 */ 024 package org.jboss.dna.sequencer.cnd; 025 026 import java.io.IOException; 027 import java.io.InputStream; 028 import java.util.List; 029 import org.jboss.dna.cnd.CndImporter; 030 import org.jboss.dna.graph.ExecutionContext; 031 import org.jboss.dna.graph.io.Destination; 032 import org.jboss.dna.graph.property.Path; 033 import org.jboss.dna.graph.property.Property; 034 import org.jboss.dna.graph.sequencer.SequencerContext; 035 import org.jboss.dna.graph.sequencer.SequencerOutput; 036 import org.jboss.dna.graph.sequencer.StreamSequencer; 037 038 /** 039 * 040 */ 041 public class CndSequencer implements StreamSequencer { 042 043 /** 044 * {@inheritDoc} 045 * 046 * @see org.jboss.dna.graph.sequencer.StreamSequencer#sequence(java.io.InputStream, 047 * org.jboss.dna.graph.sequencer.SequencerOutput, org.jboss.dna.graph.sequencer.SequencerContext) 048 */ 049 public void sequence( InputStream stream, 050 SequencerOutput output, 051 SequencerContext context ) { 052 // Create the destination that forwards to the sequencer output ... 053 Destination destination = new OutputDestination(output, context); 054 // Use the CND importer ... 055 Path root = context.getValueFactories().getPathFactory().createRootPath(); 056 CndImporter importer = new CndImporter(destination, root); 057 String resourceName = context.getInputPath().getString(context.getNamespaceRegistry()); 058 try { 059 importer.importFrom(stream, context.getProblems(), resourceName); 060 } catch (IOException e) { 061 context.getProblems().addError(e, CndSequencerI18n.errorSequencingCndContent, e.getLocalizedMessage()); 062 } 063 } 064 065 protected class OutputDestination implements Destination { 066 private final SequencerOutput output; 067 private final SequencerContext context; 068 069 protected OutputDestination( SequencerOutput output, 070 SequencerContext context ) { 071 this.output = output; 072 this.context = context; 073 } 074 075 /** 076 * {@inheritDoc} 077 * 078 * @see org.jboss.dna.graph.io.Destination#getExecutionContext() 079 */ 080 public ExecutionContext getExecutionContext() { 081 return context; 082 } 083 084 /** 085 * {@inheritDoc} 086 * 087 * @see org.jboss.dna.graph.io.Destination#create(org.jboss.dna.graph.property.Path, java.util.List) 088 */ 089 public void create( Path path, 090 List<Property> properties ) { 091 for (Property property : properties) { 092 output.setProperty(path, property.getName(), property.getValues()); 093 } 094 } 095 096 /** 097 * {@inheritDoc} 098 * 099 * @see org.jboss.dna.graph.io.Destination#create(org.jboss.dna.graph.property.Path, 100 * org.jboss.dna.graph.property.Property, org.jboss.dna.graph.property.Property[]) 101 */ 102 public void create( Path path, 103 Property firstProperty, 104 Property... additionalProperties ) { 105 output.setProperty(path, firstProperty.getName(), firstProperty.getValues()); 106 for (Property property : additionalProperties) { 107 output.setProperty(path, property.getName(), property.getValues()); 108 } 109 } 110 111 /** 112 * {@inheritDoc} 113 * 114 * @see org.jboss.dna.graph.io.Destination#setProperties(org.jboss.dna.graph.property.Path, 115 * org.jboss.dna.graph.property.Property[]) 116 */ 117 public void setProperties( Path path, 118 Property... properties ) { 119 for (Property property : properties) { 120 output.setProperty(path, property.getName(), property.getValues()); 121 } 122 } 123 124 /** 125 * {@inheritDoc} 126 * 127 * @see org.jboss.dna.graph.io.Destination#submit() 128 */ 129 public void submit() { 130 // nothing to call on the sequencer output ... 131 } 132 } 133 134 }