| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * 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.cocoon.reading; |
| |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.environment.internal.EnvironmentHelper; |
| import org.apache.cocoon.sitemap.impl.AbstractVirtualSitemapComponent; |
| |
| import org.xml.sax.SAXException; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| public class VirtualPipelineReader extends AbstractVirtualSitemapComponent |
| implements Reader { |
| |
| protected String getTypeName() { |
| return "reader"; |
| } |
| |
| /** |
| * Set the <code>OutputStream</code> |
| */ |
| public void setOutputStream(OutputStream out) { |
| this.getMappedSourceEnvironment().setOutputStream(out); |
| } |
| |
| /** |
| * Get the mime-type of the output of this <code>Reader</code> |
| */ |
| public String getMimeType() { |
| return this.getPipeline().getMimeType(); |
| } |
| |
| /** |
| * @return the time the read source was last modified or 0 if it is not |
| * possible to detect |
| */ |
| public long getLastModified() { |
| return 0; |
| } |
| |
| /** |
| * Test if the component wants to set the content length |
| */ |
| public boolean shouldSetContentLength() { |
| return this.getPipeline().shouldSetContentLength(); |
| } |
| |
| public void generate() |
| throws IOException, SAXException, ProcessingException { |
| |
| // Should use SourceResolver and context of the this |
| // components' sitemap, not caller sitemap |
| EnvironmentHelper.enterEnvironment(this.getVPCEnvironment()); |
| try { |
| this.getPipeline().prepareInternal(this.getVPCEnvironment()); |
| } finally { |
| EnvironmentHelper.leaveEnvironment(); |
| } |
| |
| // Should use SourceResolver of the this components' sitemap, not caller sitemap |
| EnvironmentHelper.enterEnvironment(this.getMappedSourceEnvironment()); |
| try { |
| this.getPipeline().process(this.getMappedSourceEnvironment()); |
| } finally { |
| EnvironmentHelper.leaveEnvironment(); |
| } |
| } |
| } |