| /* |
| * 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.cocoon.template; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.activity.Disposable; |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.avalon.framework.service.Serviceable; |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.environment.SourceResolver; |
| import org.apache.cocoon.template.environment.ParsingContext; |
| import org.apache.cocoon.template.expression.StringTemplateParser; |
| import org.apache.cocoon.template.script.InstructionFactory; |
| import org.apache.cocoon.template.script.Parser; |
| import org.apache.cocoon.transformation.ServiceableTransformer; |
| import org.apache.cocoon.xml.XMLConsumer; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Adapter that makes this generator usable as a transformer (Note there is a |
| * performance penalty for this however: you effectively recompile the template |
| * for every instance document) |
| * |
| * @version $Id$ |
| */ |
| public class TransformerAdapter extends ServiceableTransformer { |
| |
| static class TemplateConsumer extends Parser implements XMLConsumer, Serviceable, Disposable { |
| |
| private ServiceManager manager; |
| |
| private final JXTemplateGenerator gen; |
| |
| public TemplateConsumer() { |
| this.gen = new JXTemplateGenerator(); |
| } |
| |
| public void setup(SourceResolver resolver, Map objectModel, String src, Parameters parameters) |
| throws ProcessingException, SAXException, IOException { |
| this.gen.setup(resolver, objectModel, null, parameters); |
| } |
| |
| /** |
| * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager) |
| */ |
| public void service(ServiceManager manager) throws ServiceException { |
| this.manager = manager; |
| this.gen.service(manager); |
| setParsingContext(new ParsingContext((StringTemplateParser) this.manager.lookup(StringTemplateParser.ROLE), |
| (InstructionFactory) this.manager.lookup(InstructionFactory.ROLE))); |
| } |
| |
| /** |
| * @see org.apache.avalon.framework.activity.Disposable#dispose() |
| */ |
| public void dispose() { |
| this.manager.release(this.parsingContext.getInstructionFactory()); |
| this.manager.release(this.parsingContext.getStringTemplateParser()); |
| setParsingContext(null); |
| } |
| |
| public void endDocument() throws SAXException { |
| super.endDocument(); |
| gen.performGeneration(getStartEvent(), null); |
| } |
| |
| void setConsumer(XMLConsumer consumer) { |
| gen.setConsumer(consumer); |
| } |
| |
| protected void recycle() { |
| super.recycle(); |
| gen.recycle(); |
| } |
| } |
| |
| protected final TemplateConsumer templateConsumer = new TemplateConsumer(); |
| |
| /** |
| * @see org.apache.cocoon.transformation.ServiceableTransformer#recycle() |
| */ |
| public void recycle() { |
| super.recycle(); |
| templateConsumer.recycle(); |
| } |
| |
| /** |
| * @see org.apache.cocoon.transformation.ServiceableTransformer#setup(org.apache.cocoon.environment.SourceResolver, java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters) |
| */ |
| public void setup(SourceResolver resolver, Map objectModel, String src, Parameters parameters) |
| throws ProcessingException, SAXException, IOException { |
| super.setup(resolver, objectModel, src, parameters); |
| templateConsumer.setup(resolver, objectModel, src, parameters); |
| } |
| |
| /** |
| * @see org.apache.cocoon.transformation.ServiceableTransformer#service(org.apache.avalon.framework.service.ServiceManager) |
| */ |
| public void service(ServiceManager manager) throws ServiceException { |
| super.service(manager); |
| templateConsumer.service(manager); |
| } |
| |
| /** |
| * @see org.apache.cocoon.transformation.ServiceableTransformer#dispose() |
| */ |
| public void dispose() { |
| templateConsumer.dispose(); |
| super.dispose(); |
| } |
| |
| /** |
| * @see org.apache.cocoon.xml.AbstractXMLProducer#setConsumer(org.apache.cocoon.xml.XMLConsumer) |
| */ |
| public void setConsumer(XMLConsumer xmlConsumer) { |
| super.setConsumer(templateConsumer); |
| templateConsumer.setConsumer(xmlConsumer); |
| } |
| } |