diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/DeployableCompositeServiceImpl.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/DeployableCompositeServiceImpl.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/DeployableCompositeServiceImpl.java b/sca-java-1.x/tags/1.6/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/DeployableCompositeServiceImpl.java new file mode 100644 index 0000000000..14ab9579f4 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/DeployableCompositeServiceImpl.java @@ -0,0 +1,128 @@ +/* + * 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.tuscany.sca.domain.manager.impl; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.net.URLConnection; +import java.net.URLDecoder; +import java.util.logging.Logger; + +import javax.servlet.Servlet; +import javax.servlet.ServletException; +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.data.collection.Item; +import org.apache.tuscany.sca.data.collection.LocalItemCollection; +import org.apache.tuscany.sca.data.collection.NotFoundException; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; + +/** + * Implementation of a service that returns the source of a deployable composite. + * + * @version $Rev$ $Date$ + */ +@Scope("COMPOSITE") +@Service(Servlet.class) +public class DeployableCompositeServiceImpl extends HttpServlet implements Servlet { + private static final long serialVersionUID = -3477992129462720902L; + + private static final Logger logger = Logger.getLogger(DeployableCompositeServiceImpl.class.getName()); + + @Reference + public DomainManagerConfiguration domainManagerConfiguration; + + @Reference + public LocalItemCollection deployableCollection; + + /** + * Initialize the component. + */ + @Init + public void initialize() throws ParserConfigurationException { + + ExtensionPointRegistry extensionPoints = domainManagerConfiguration.getExtensionPoints(); + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // Expect a key in the form + // composite:contributionURI;namespace;localName + // and return the corresponding source file + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + String key = path.startsWith("/")? path.substring(1) : path; + logger.fine("get " + key); + + // Get the item describing the composite + Item item; + try { + item = deployableCollection.get(key); + } catch (NotFoundException e) { + response.sendError(HttpServletResponse.SC_NOT_FOUND, key); + return; + } + + // Redirect if there is no composite file + String uri = item.getAlternate(); + if (uri == null) { + response.sendRedirect("/composite-generated/" + key); + return; + } + + // Read the composite file and write to response + InputStream is; + try { + URLConnection connection = new URL(uri).openConnection(); + connection.setUseCaches(false); + connection.connect(); + is = connection.getInputStream(); + } catch (FileNotFoundException ex) { + response.sendError(HttpServletResponse.SC_NOT_FOUND, key); + return; + } + + response.setContentType("text/xml"); + ServletOutputStream os = response.getOutputStream(); + byte[] buffer = new byte[4096]; + for (;;) { + int n = is.read(buffer); + if (n < 0) { + break; + } + os.write(buffer, 0, n); + } + is.close(); + os.flush(); + } + +} |