diff options
Diffstat (limited to 'java/sca/modules/binding-gdata-runtime-gsoc/src/main')
11 files changed, 2386 insertions, 0 deletions
diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/Collection.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/Collection.java new file mode 100644 index 0000000000..d6e5d7c423 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/Collection.java @@ -0,0 +1,78 @@ +/* + * 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.binding.gdata.collection; + +import com.google.gdata.data.Entry; +import com.google.gdata.data.Feed; +import org.osoa.sca.annotations.Remotable; + +/** + * Provides access to a collection of resources using Gdata. + */ +@Remotable +public interface Collection { + + /** + * Get a GData feed for a collection of resources. + * + * @return the GData feed + */ + Feed getFeed(); + + /** + * Get a GData feed for a collection of resources resulting from a query. + * + * @param queryString a query string + * @return the GData feed + */ + Feed query(String queryString); + + /** + * Creates a new entry. + * + * @param entry + * @return + */ + Entry post(Entry entry); + + /** + * Retrieves an entry. + * + * @param id + * @return + */ + Entry get(String id) throws NotFoundException; + + /** + * Update an entry. + * + * @param id + * @param entry + * @return + */ + void put(String id, Entry entry) throws NotFoundException; + + /** + * Delete an entry. + * + * @param id + */ + void delete(String id) throws NotFoundException; + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/MediaCollection.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/MediaCollection.java new file mode 100644 index 0000000000..31e16e5f56 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/MediaCollection.java @@ -0,0 +1,54 @@ +/* + * 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.binding.gdata.collection; + +import java.io.InputStream; + +import org.osoa.sca.annotations.Remotable; // import + // org.apache.abdera.model.Entry; + +import com.google.gdata.data.Entry; + +/** + * Provides access to a collection of resources using Atom. + */ +@Remotable +public interface MediaCollection extends Collection { + + /** + * Creates a new media entry + * + * @param title + * @param slug + * @param contentType + * @param media + */ + Entry postMedia(String title, String slug, String contentType, InputStream media); + + /** + * Update a media entry. + * + * @param id + * @param contentType + * @param media + * @return + */ + void putMedia(String id, String contentType, InputStream media) throws NotFoundException; + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/NotFoundException.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/NotFoundException.java new file mode 100644 index 0000000000..4fc32d4d37 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/collection/NotFoundException.java @@ -0,0 +1,45 @@ +/* + * 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.binding.gdata.collection; + +/** + * Indicates that a resource could not be found. + * + * @version $Rev$ $Date$ + */ +public class NotFoundException extends Exception { + private static final long serialVersionUID = -5046027674128627383L; + + public NotFoundException() { + } + + public NotFoundException(String message) { + super(message); + } + + public NotFoundException(Throwable cause) { + super(cause); + } + + public NotFoundException(String message, Throwable cause) { + super(message, cause); + } + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingInvoker.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingInvoker.java new file mode 100644 index 0000000000..04f72f548a --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingInvoker.java @@ -0,0 +1,707 @@ +/* + * 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.binding.gdata.provider; + +import static org.apache.tuscany.sca.binding.gdata.provider.GdataBindingUtil.entry; +import static org.apache.tuscany.sca.binding.gdata.provider.GdataBindingUtil.feedEntry; + +import java.io.InputStreamReader; +import java.io.StringWriter; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; + +import org.apache.abdera.Abdera; +import org.apache.abdera.factory.Factory; +import org.apache.abdera.model.Document; +import org.apache.abdera.model.Feed; +import org.apache.abdera.parser.Parser; +import org.apache.commons.httpclient.HttpClient; +import org.apache.commons.httpclient.URIException; +import org.apache.commons.httpclient.methods.DeleteMethod; +import org.apache.commons.httpclient.methods.GetMethod; +import org.apache.commons.httpclient.methods.PostMethod; +import org.apache.commons.httpclient.methods.PutMethod; +import org.apache.commons.httpclient.methods.StringRequestEntity; +import org.apache.tuscany.sca.binding.gdata.collection.NotFoundException; +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.osoa.sca.ServiceRuntimeException; + +import com.google.gdata.data.ExtensionProfile; +import com.google.gdata.data.ParseSource; +import com.google.gdata.data.TextContent; + +/** + * Invoker for the GData binding. + * + */ +class GdataBindingInvoker implements Invoker, DataExchangeSemantics { + + private static final Factory abderaFactory = Abdera.getNewFactory(); + private static final Parser abderaParser = Abdera.getNewParser(); + + Operation operation; + String uri; + HttpClient httpClient; + String authorizationHeader; + GdataReferenceBindingProvider provider; + + private static final com.google.gdata.client.GoogleService googleService = + new com.google.gdata.client.GoogleService("cl", "exampleCo-exampleApp-1"); + + GdataBindingInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + this.operation = operation; + this.uri = uri; + this.httpClient = httpClient; + this.authorizationHeader = authorizationHeader; + this.provider = bindingProvider; + // this.googleService = new com.google.gdata.client.GoogleService("cl", + // "exampleCo-exampleApp-1"); + + // //System.out.println("GdataBindingInvoker constuctor reached!: " + + // operation); + } + + public Message invoke(Message msg) { + // Shouldn't get here, as the only supported methods are + // defined in the ResourceCollection interface, and implemented + // by specific invoker subclasses + throw new UnsupportedOperationException(operation.getName()); + } + + /** + * Get operation invoker + */ + public static class GetInvoker extends GdataBindingInvoker { + public GetInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + + System.out.println("GdataBindingInvoker.GetInvoker.invoke is reached!"); + + // Get an entry + String id = (String)((Object[])msg.getBody())[0]; + + System.out.println("GdataBindingInvoker.GetInvoker.invoke---id: " + id); + + // Send an HTTP GET + GetMethod getMethod = new GetMethod(uri + "/" + id); + getMethod.setRequestHeader("Authorization", authorizationHeader); + + try { + System.out.println("GdataBindingInvoker.GetInvoker.invoke---feedURL: " + getMethod.getURI().toString()); + } catch (URIException e1) { + // TODO Auto-generated catch block + e1.printStackTrace(); + } + + boolean parsing = false; + try { + httpClient.executeMethod(getMethod); + int status = getMethod.getStatusCode(); + + System.out.println("GdataBindingInvoker.GetInvoker.invoke---I am good here00"); + System.out.println("GdataBindingInvoker.GetInvoker.invoke---status: " + status); + + // Read the Atom entry + if (status == 200) { + + URL feedURL = new URL(getMethod.getURI().toString()); + + System.out.println("GdataBindingInvoker.GetInvoker.invoke---feedURL: " + feedURL); + + com.google.gdata.data.Entry entry = + googleService.getEntry(feedURL, com.google.gdata.data.Entry.class); + + System.out.println("GetInvoker class: I am good here 04"); + + System.out.println("entry title: " + entry.getTitle().getPlainText()); + + System.out.println("GdataBindingInvoker.GetInvoker.invoke---entry"); + + // Document<Feed> doc = abderaParser.parse(new + // InputStreamReader(getMethod.getResponseBodyAsStream())); + // parsing = true; + // Feed feed = doc.getRoot(); + + // System.out.println("getMethod.getResponseBodyAsString()" + // + getMethod.getResponseBodyAsString()); + + // feed = (com.google.gdata.data.Feed) + // responseMessage.getBody(); + + System.out.println("provider.supportsFeedEntries()" + provider.supportsFeedEntries()); + + if (provider.supportsFeedEntries()) { + + // Return the Atom entry + msg.setBody(entry); + + } else { + + // Convert the feed entry to a data entry and return the + // data item + // Entry<Object, Object> entry = entry(feedEntry, + // provider.getItemClassType(), + // provider.getItemXMLType(), provider.getMediator()); + // msg.setBody(entry.getData()); + } + + // To-change + // This is read the entries from the response body + // Change it into the corresponding Gdata parse and populate + // the message with entries. + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + if (!parsing) { + // Release the connection unless the Abdera parser is + // parsing the response, in this case it will release it + getMethod.releaseConnection(); + } + } + + return msg; + } + } + + /** + * Post operation invoker + */ + public static class PostInvoker extends GdataBindingInvoker { + + public PostInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- Constructor method reached"); + } + + @Override + public Message invoke(Message msg) { + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- invoke method reached"); + // Post an entry + Object[] args = (Object[])msg.getBody(); + com.google.gdata.data.Entry feedEntry = null; + + if (provider.supportsFeedEntries()) { + + // Expect an Atom entry + + // To-change + // Expect a Gdata entry + // change it into com.google.gdata.data.Entry + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- supportsFeedEntries: " + provider + .supportsFeedEntries()); + feedEntry = (com.google.gdata.data.Entry)args[0]; + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- feedEntry title: " + feedEntry + .getTitle().getPlainText()); + + } else { + // Expect a key and data item + Entry<Object, Object> entry = new Entry<Object, Object>(args[0], args[1]); + // FIXME: this needs to be fixed + // feedEntry = feedEntry(entry, provider.getItemClassType(), + // provider.getItemXMLType(), provider.getMediator(), + // abderaFactory); + } + + // Send an HTTP POST + PostMethod postMethod = new PostMethod(uri); + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- uri: " + uri); + + postMethod.setRequestHeader("Authorization", authorizationHeader); + boolean parsing = false; + try { + // Write the Atom entry + // StringWriter writer = new StringWriter(); + // feedEntry.writeTo(writer); + + StringWriter writer = new StringWriter(); + com.google.gdata.util.common.xml.XmlWriter w = new com.google.gdata.util.common.xml.XmlWriter(writer); + feedEntry.generateAtom(w, new ExtensionProfile()); + w.flush(); + + postMethod.setRequestHeader("Content-type", "application/atom+xml; charset=utf-8"); + postMethod.setRequestEntity(new StringRequestEntity(writer.toString())); + + httpClient.executeMethod(postMethod); + int status = postMethod.getStatusCode(); + + System.out.println("[Debug Info]GdataBindingInvoker.PostInvoker --- status code: " + status); + + // Read the Atom entry + if (status == 200 || status == 201) { + + /* + * Document<org.apache.abdera.model.Entry> doc = + * abderaParser.parse(new + * InputStreamReader(postMethod.getResponseBodyAsStream())); + * parsing = true; org.apache.abdera.model.Entry + * createdEntry = doc.getRoot(); + */ + + ParseSource source = new ParseSource(new InputStreamReader(postMethod.getResponseBodyAsStream())); + com.google.gdata.data.Entry createdEntry = + com.google.gdata.data.Entry.readEntry(source, com.google.gdata.data.Entry.class, null); + + System.out.println("parsed createdentry title: " + createdEntry.getTitle().getPlainText()); + System.out.println("parsed createdentry content: " + ((TextContent)createdEntry.getContent()) + .getContent().getPlainText()); + System.out.println("parsed createdentry updated: " + createdEntry.getUpdated().toString()); + + /* + * Document<org.apache.abdera.model.Entry> doc = + * abderaParser.parse(new + * InputStreamReader(postMethod.getResponseBodyAsStream())); + * parsing = true; org.apache.abdera.model.Entry + * createdEntry = doc.getRoot(); + */ + + // Returns the created Atom entry ID + if (provider.supportsFeedEntries()) { + // Returns the created entry + msg.setBody(createdEntry); + } else { + // Returns the id of the created entry + msg.setBody(createdEntry.getId().toString()); + } + + // To-change + // Get the status back and parse the updated entry + // Need to change it into the corresponding Gdata Entry + // class + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + if (!parsing) { + // Release the connection unless the Abdera parser is + // parsing the response, in this case it will release it + postMethod.releaseConnection(); + } + } + + return msg; + } + } + + // To-change + // For the following classes: PutInvoker, DeleteInvoker, GetAllInvoker, + // PostMediaInvoker and PutMediaInvoker + // We just need to modify the corresponding parser and entry methods for + // Gdata + // The key point is the data conversion from item and gdata entry + // and parsing and writing entries in message + // + + /** + * Put operation invoker + */ + public static class PutInvoker extends GdataBindingInvoker { + + public PutInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + + // Put an entry + Object[] args = (Object[])msg.getBody(); + String id; + org.apache.abdera.model.Entry feedEntry; + if (provider.supportsFeedEntries()) { + + // Expect a key and Atom entry + id = (String)args[0]; + feedEntry = (org.apache.abdera.model.Entry)args[1]; + } else { + + // Expect a key and data item + id = (String)args[0]; + Entry<Object, Object> entry = new Entry<Object, Object>(id, args[1]); + feedEntry = + feedEntry(entry, + provider.getItemClassType(), + provider.getItemXMLType(), + provider.getMediator(), + abderaFactory); + } + + // Send an HTTP PUT + PutMethod putMethod = new PutMethod(uri + "/" + id); + putMethod.setRequestHeader("Authorization", authorizationHeader); + try { + + // Write the Atom entry + StringWriter writer = new StringWriter(); + feedEntry.writeTo(writer); + putMethod.setRequestHeader("Content-type", "application/atom+xml; charset=utf-8"); + putMethod.setRequestEntity(new StringRequestEntity(writer.toString())); + + httpClient.executeMethod(putMethod); + int status = putMethod.getStatusCode(); + if (status == 200 || status == 201) { + + msg.setBody(null); + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + putMethod.releaseConnection(); + } + + return msg; + } + } + + /** + * Delete operation invoker + */ + public static class DeleteInvoker extends GdataBindingInvoker { + + public DeleteInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + + // Delete an entry + String id = (String)((Object[])msg.getBody())[0]; + + // Send an HTTP DELETE + DeleteMethod deleteMethod = new DeleteMethod(uri + "/" + id); + deleteMethod.setRequestHeader("Authorization", authorizationHeader); + try { + httpClient.executeMethod(deleteMethod); + int status = deleteMethod.getStatusCode(); + if (status == 200) { + msg.setBody(null); + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + deleteMethod.releaseConnection(); + } + + return msg; + } + } + + /** + * GetAll operation invoker + */ + public static class GetAllInvoker extends GdataBindingInvoker { + + public GetAllInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + + // Get a feed + System.out.println("GetAllInvoker class: I am good here 00"); + + // Send an HTTP GET + GetMethod getMethod = new GetMethod(uri); + getMethod.setRequestHeader("Authorization", authorizationHeader); + + System.out.println("GetAllInvoker class: I am good here 01"); + + try { + System.out.println("GdataBindingInvoker.GetAllInvoker.invoke---feedURL: " + getMethod.getURI() + .toString()); + } catch (URIException e1) { + // TODO Auto-generated catch block + e1.printStackTrace(); + } + + boolean parsing = false; + try { + + System.out.println("GetAllInvoker class: I am good here 02"); + + httpClient.executeMethod(getMethod); + int status = getMethod.getStatusCode(); + + System.out.println("GetAllInvoker class: I am good here 03"); + + // Read the Atom feed + if (status == 200) { + + URL feedURL = new URL(getMethod.getURI().toString()); + + System.out.println("GdataBindingInvoker.GetInvoker.invoke---feedURL: " + feedURL); + + /* + * //Changed by Haibo System.out.println("feedURL.toString: " + + * feedURL.toString()); InputStreamReader stringReader= new + * InputStreamReader(getMethod.getResponseBodyAsStream()); + * StringBuffer buffer = new StringBuffer(); Reader in = new + * BufferedReader(stringReader); XhtmlTextConstruct + * construct = new XhtmlTextConstruct(); + * com.google.gdata.data.XhtmlTextConstruct.AtomHandler + * rootHandler = construct.new AtomHandler(); XmlParser + * parser = new XmlParser(); + * parser.parse(in,rootHandler,"http://www.w3.org/2005/Atom","feed"); + * System.out.println(construct.getXhtml().getBlob()); + */ + + com.google.gdata.data.Feed feed = googleService.getFeed(feedURL, com.google.gdata.data.Feed.class); + + System.out.println("GetAllInvoker class: I am good here 04"); + + System.out.println("feed title: " + feed.getTitle().getPlainText()); + + // Document<Feed> doc = abderaParser.parse(new + // InputStreamReader(getMethod.getResponseBodyAsStream())); + // parsing = true; + // Feed feed = doc.getRoot(); + + // System.out.println("getMethod.getResponseBodyAsString()" + // + getMethod.getResponseBodyAsString()); + + // feed = (com.google.gdata.data.Feed) + // responseMessage.getBody(); + + System.out.println("provider.supportsFeedEntries()" + provider.supportsFeedEntries()); + + if (provider.supportsFeedEntries()) { + + System.out.println("GetAllInvoker class: I am good here 05"); + + // Returns the Atom feed + msg.setBody(feed); + + System.out.println("msg: " + msg.toString()); + + } else { + + /* + * // Returns an array of data entries List<Entry<Object, + * Object>> entries = new ArrayList<Entry<Object,Object>>(); + * for (org.apache.abdera.model.Entry feedEntry: + * feed.getEntries()) { Entry<Object, Object> entry = + * entry(feedEntry, provider.getItemClassType(), + * provider.getItemXMLType(), provider.getMediator()); + * entries.add(entry); } msg.setBody(entries.toArray(new + * Entry[entries.size()])); + */ + } + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + if (!parsing) { + // Release the connection unless the Abdera parser is + // parsing the response, in this case it will release it + getMethod.releaseConnection(); + } + } + + return msg; + } + } + + /** + * Query operation invoker + */ + public static class QueryInvoker extends GdataBindingInvoker { + + public QueryInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + + // Get a feed from a query + String queryString = (String)((Object[])msg.getBody())[0]; + + // Send an HTTP GET + GetMethod getMethod = new GetMethod(uri); + getMethod.setRequestHeader("Authorization", authorizationHeader); + getMethod.setQueryString(queryString); + boolean parsing = false; + try { + httpClient.executeMethod(getMethod); + int status = getMethod.getStatusCode(); + + // Read the Atom feed + if (status == 200) { + Document<Feed> doc = abderaParser.parse(new InputStreamReader(getMethod.getResponseBodyAsStream())); + parsing = true; + Feed feed = doc.getRoot(); + + if (provider.supportsFeedEntries()) { + + // Returns the Atom feed + msg.setBody(feed); + + } else { + + // Returns an array of data entries + List<Entry<Object, Object>> entries = new ArrayList<Entry<Object, Object>>(); + for (org.apache.abdera.model.Entry feedEntry : feed.getEntries()) { + Entry<Object, Object> entry = + entry(feedEntry, provider.getItemClassType(), provider.getItemXMLType(), provider + .getMediator()); + entries.add(entry); + } + msg.setBody(entries.toArray(new Entry[entries.size()])); + } + + } else if (status == 404) { + msg.setFaultBody(new NotFoundException()); + } else { + msg.setFaultBody(new ServiceRuntimeException("HTTP status code: " + status)); + } + + } catch (Exception e) { + msg.setFaultBody(new ServiceRuntimeException(e)); + } finally { + if (!parsing) { + // Release the connection unless the Abdera parser is + // parsing the response, in this case it will release it + getMethod.releaseConnection(); + } + } + + return msg; + } + } + + /** + * PostMedia operation invoker + */ + public static class PostMediaInvoker extends GdataBindingInvoker { + + public PostMediaInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + // TODO implement + return super.invoke(msg); + } + } + + /** + * PutMedia operation invoker + */ + public static class PutMediaInvoker extends GdataBindingInvoker { + + public PutMediaInvoker(Operation operation, + String uri, + HttpClient httpClient, + String authorizationHeader, + GdataReferenceBindingProvider bindingProvider) { + super(operation, uri, httpClient, authorizationHeader, bindingProvider); + } + + @Override + public Message invoke(Message msg) { + // TODO implement + return super.invoke(msg); + } + } + + public boolean allowsPassByReference() { + // TODO Auto-generated method stub + return true; + } + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingListenerServlet.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingListenerServlet.java new file mode 100644 index 0000000000..e287b5b0df --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingListenerServlet.java @@ -0,0 +1,724 @@ +/* + * 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.binding.gdata.provider; + +import static org.apache.tuscany.sca.binding.gdata.provider.GdataBindingUtil.entry; +import static org.apache.tuscany.sca.binding.gdata.provider.GdataBindingUtil.feedEntry; + +import java.io.IOException; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.io.StringWriter; +import java.io.UnsupportedEncodingException; +import java.io.Writer; +import java.net.URLDecoder; +import java.util.ArrayList; +import java.util.StringTokenizer; +import java.util.logging.Logger; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.namespace.QName; + +import org.apache.abdera.Abdera; +import org.apache.abdera.factory.Factory; +import org.apache.abdera.model.Collection; +import org.apache.abdera.model.Document; // import + // org.apache.abdera.model.Feed; +// import org.apache.abdera.model.Link; +import org.apache.abdera.model.Service; +import org.apache.abdera.model.Workspace; +import org.apache.abdera.parser.ParseException; +import org.apache.abdera.parser.Parser; + +import org.apache.commons.codec.binary.Base64; +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +import com.google.gdata.data.ExtensionProfile; +import com.google.gdata.data.ParseSource; +import com.google.gdata.data.PlainTextConstruct; +import com.google.gdata.util.ServiceException; + +/** + * A resource collection binding listener, implemented as a Servlet and + * registered in a Servlet host provided by the SCA hosting runtime. + */ +class GdataBindingListenerServlet extends HttpServlet { + private static final Logger logger = Logger.getLogger(GdataBindingListenerServlet.class.getName()); + private static final long serialVersionUID = 1L; + + private static final Factory abderaFactory = Abdera.getNewFactory(); + private static final Parser abderaParser = Abdera.getNewParser(); + + private RuntimeWire wire; + private Invoker getFeedInvoker; + private Invoker getAllInvoker; + private Invoker queryInvoker; + private Invoker getInvoker; + private Invoker postInvoker; + private Invoker postMediaInvoker; + private Invoker putInvoker; + private Invoker putMediaInvoker; + private Invoker deleteInvoker; + private MessageFactory messageFactory; + private String title; + private Mediator mediator; + private DataType<?> itemClassType; + private DataType<?> itemXMLType; + private boolean supportsFeedEntries; + + /** + * Constructs a new binding listener. + * + * @param wire + * @param messageFactory + * @param feedType + */ + GdataBindingListenerServlet(RuntimeWire wire, MessageFactory messageFactory, Mediator mediator, String title) { + this.wire = wire; + this.messageFactory = messageFactory; + this.mediator = mediator; + this.title = title; + + // Get the invokers for the supported operations + Operation getOperation = null; + for (InvocationChain invocationChain : this.wire.getInvocationChains()) { + invocationChain.setAllowsPassByReference(true); + Operation operation = invocationChain.getTargetOperation(); + String operationName = operation.getName(); + if (operationName.equals("getFeed")) { + + System.out.println("[Debug Info]GdataBindingListenerServlet constructor --- operation: getFeed"); + + getFeedInvoker = invocationChain.getHeadInvoker(); + + } else if (operationName.equals("getAll")) { + + getAllInvoker = invocationChain.getHeadInvoker(); + + } else if (operationName.equals("query")) { + queryInvoker = invocationChain.getHeadInvoker(); + } else if (operationName.equals("get")) { + System.out.println("[Debug Info]GdataBindingListenerServlet Constructor --- opeartion: get"); + getInvoker = invocationChain.getHeadInvoker(); + getOperation = operation; + } else if (operationName.equals("put")) { + putInvoker = invocationChain.getHeadInvoker(); + } else if (operationName.equals("putMedia")) { + putMediaInvoker = invocationChain.getHeadInvoker(); + } else if (operationName.equals("post")) { + + System.out.println("[Debug Info]GdataBindingListenerServlet Constructor --- opeartion: post"); + postInvoker = invocationChain.getHeadInvoker(); + + } else if (operationName.equals("postMedia")) { + postMediaInvoker = invocationChain.getHeadInvoker(); + } else if (operationName.equals("delete")) { + deleteInvoker = invocationChain.getHeadInvoker(); + } + } + + System.out.println("[Debug Info]GdataBindingListenerServlet constructor --- I am good here 00"); + + // Determine the collection item type + itemXMLType = new DataTypeImpl<Class<?>>(String.class.getName(), String.class, String.class); + Class<?> itemClass = getOperation.getOutputType().getPhysical(); + + // if (itemClass == org.apache.abdera.model.Entry.class) { + if (itemClass == com.google.gdata.data.Entry.class) { + supportsFeedEntries = true; + } + DataType<XMLType> outputType = getOperation.getOutputType(); + QName qname = outputType.getLogical().getElementName(); + qname = new QName(qname.getNamespaceURI(), itemClass.getSimpleName()); + itemClassType = new DataTypeImpl<XMLType>("java:complexType", itemClass, new XMLType(qname, null)); + + System.out.println("[Debug Info]GdataBindingListenerServlet constructor --- initilized!"); + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // No authentication required for a get request + System.out.println("[Debug Info]GdataBindingListenerServlet doGet() --- I am good here 00"); + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + + System.out.println("[Debug Info]GdataBindingListenerServlet doGet() --- request.getRequestURI(): " + request + .getRequestURI()); + System.out.println("[Debug Info]GdataBindingListenerServlet doGet()--- path: " + path); + + // FIXME: Log this get http request, commented out for testing + logger.fine("get " + request.getRequestURI()); + + // Handle an Atom request + if (path != null && path.equals("/atomsvc")) { + /* + * <?xml version='1.0' encoding='UTF-8'?> <service + * xmlns="http://www.w3.org/2007/app" + * xmlns:atom="http://www.w3.org/2005/Atom"> <workspace> <atom:title + * type="text">resource</atom:title> <collection + * href="http://luck.ibm.com:8084/customer"> <atom:title + * type="text">entries</atom:title> + * <accept>application/atom+xml;type=entry</accept> <categories /> + * </collection> </workspace> </service> + */ + + System.out.println("GdataBindingListenerServlet doGet(): I am good here brach 01"); + // Return the Atom service document + response.setContentType("application/atomsvc+xml; charset=utf-8"); + + Service service = abderaFactory.newService(); + // service.setText("service"); + + Workspace workspace = abderaFactory.newWorkspace(); + workspace.setTitle("resource"); + + String href = request.getRequestURL().toString(); + href = href.substring(0, href.length() - "/atomsvc".length()); + + Collection collection = workspace.addCollection("collection", "atom/feed"); + collection.setTitle("entries"); + collection.setAttributeValue("href", href); + collection.setAccept("entry"); + collection.addCategories().setFixed(false); + + workspace.addCollection(collection); + + service.addWorkspace(workspace); + + // FIXME add prettyPrint support + try { + service.getDocument().writeTo(response.getOutputStream()); + } catch (IOException ioe) { + throw new ServletException(ioe); + } + + } else if (path == null || path.length() == 0 || path.equals("/")) { + + // get HTTP request asking for a feed + + System.out.println("[Debug Info]GdataBindingListenerServlet doGet() --- I am good here brach 02"); + + // Return a feed containing the entries in the collection + com.google.gdata.data.Feed feed = null; + + if (supportsFeedEntries) { + + System.out + .println("[Debug Info]GdataBindingListenerServlet doGet() --- supportsFeedEntries: " + supportsFeedEntries); + + // The service implementation supports feed entries, invoke its + // getFeed operation + Message requestMessage = messageFactory.createMessage(); + Message responseMessage; + if (request.getQueryString() != null) { + System.out.println("getQueryString != null"); + requestMessage.setBody(new Object[] {request.getQueryString()}); + responseMessage = queryInvoker.invoke(requestMessage); + } else { + System.out.println("getQueryString == null"); + responseMessage = getFeedInvoker.invoke(requestMessage); + } + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + + System.out.println("response msg class:" + responseMessage.getBody().getClass()); + + feed = (com.google.gdata.data.Feed)responseMessage.getBody(); + + System.out.println("feed title: " + feed.getTitle().getPlainText()); + + } else { + + System.out.println("GdataBindingListenerServlet doGet(): do not supportsFeedEntries"); + + // The service implementation does not support feed entries, + // invoke its getAll operation to get the data item collection, + // then create + // feed entries from the items + Message requestMessage = messageFactory.createMessage(); + Message responseMessage; + if (request.getQueryString() != null) { + requestMessage.setBody(new Object[] {request.getQueryString()}); + responseMessage = queryInvoker.invoke(requestMessage); + } else { + responseMessage = getAllInvoker.invoke(requestMessage); + + System.out + .println("GdataBindingListner.doGet(): get msg from getAllInvoker.invoke()" + responseMessage + .getBody().toString()); + + } + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + Entry<Object, Object>[] collection = (Entry<Object, Object>[])responseMessage.getBody(); + if (collection != null) { + + // Create the feed + feed = new com.google.gdata.data.Feed(); + + // Set the feed title + if (title != null) { + feed.setTitle(new PlainTextConstruct(title)); + } else { + feed.setTitle(new PlainTextConstruct("Feed title")); + } + + // Add entries to the feed + ArrayList<com.google.gdata.data.Entry> entries = new ArrayList<com.google.gdata.data.Entry>(); + for (Entry<Object, Object> entry : collection) { + com.google.gdata.data.Entry feedEntry = feedEntry(entry, itemClassType, itemXMLType, mediator); + entries.add(feedEntry); + } + feed.setEntries(entries); + + } + } + if (feed != null) { + + // //System.out.println("feed(from the http response)is not + // null"); + + // Write a GData feed using Atom representation + response.setContentType("application/atom+xml; charset=utf-8"); + + // Generate the corresponding Atom representation of the feed + StringWriter stringWriter = new StringWriter(); + com.google.gdata.util.common.xml.XmlWriter w = + new com.google.gdata.util.common.xml.XmlWriter(stringWriter); + feed.generateAtom(w, new ExtensionProfile()); + w.flush(); + + // Write the Atom representation(XML) into Http response content + OutputStreamWriter osw = new OutputStreamWriter(response.getOutputStream()); + PrintWriter out = new PrintWriter(response.getOutputStream()); + out.println(stringWriter.toString()); + out.close(); + + System.out.println("Feed content in plain text:" + stringWriter.toString()); + } else { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + + } else if (path.startsWith("/")) { + + // get HTTP request asking for an entry + + // Return a specific entry in the collection + com.google.gdata.data.Entry feedEntry = null; + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + String id = path.substring(1); + requestMessage.setBody(new Object[] {id}); + Message responseMessage = getInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + + if (supportsFeedEntries) { + // The service implementation returns a feed entry + feedEntry = (com.google.gdata.data.Entry)responseMessage.getBody(); + + System.out.println("entry title: " + feedEntry.getTitle().getPlainText()); + + } else { + // The service implementation only returns a data item, create + // an entry + // from it + Entry<Object, Object> entry = new Entry<Object, Object>(id, responseMessage.getBody()); + // FIXME The line below needs to be fixed + // feedEntry = feedEntry(entry, itemClassType, itemXMLType, + // mediator, abderaFactory); + } + + // Write the Atom entry + if (feedEntry != null) { + + // Write a GData entry using Atom representation + response.setContentType("application/atom+xml; charset=utf-8"); + + // Generate the corresponding Atom representation of the feed + StringWriter stringWriter = new StringWriter(); + com.google.gdata.util.common.xml.XmlWriter w = + new com.google.gdata.util.common.xml.XmlWriter(stringWriter); + feedEntry.generateAtom(w, new ExtensionProfile()); + w.flush(); + + // Write the Atom representation(XML) into Http response content + OutputStreamWriter osw = new OutputStreamWriter(response.getOutputStream()); + PrintWriter out = new PrintWriter(response.getOutputStream()); + out.println(stringWriter.toString()); + out.close(); + + } else { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + } else { + // Path doesn't match any known pattern + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + + } + + @Override + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, + IOException { + + System.out.println("[Debug Info]GdataBindingListenerServlet doPost() --- reached"); + + // Authenticate the user + String user = processAuthorizationHeader(request); + if (user == null) { + unauthorized(response); + return; + } + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + + System.out.println("[Debug Info]GdataBindingListenerServlet path --- " + path); + + if (path == null || path.length() == 0 || path.equals("/")) { + // Create a new Gdata entry + com.google.gdata.data.Entry createdFeedEntry = null; + String contentType = request.getContentType(); + + if (contentType != null && contentType.startsWith("application/atom+xml")) { + + // Read the entry from the request + com.google.gdata.data.Entry feedEntry = null; + try { + ParseSource source = new ParseSource(request.getReader()); + feedEntry = com.google.gdata.data.Entry.readEntry(source, com.google.gdata.data.Entry.class, null); + + /* + * Document<org.apache.abdera.model.Entry> doc = + * abderaParser.parse(request.getReader()); feedEntry = + * doc.getRoot(); + */ + } catch (ParseException pe) { + throw new ServletException(pe); + + } catch (com.google.gdata.util.ParseException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (ServiceException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + // Let the component implementation create it + if (supportsFeedEntries) { + + // The service implementation supports feed entries, pass + // the entry to it + Message requestMessage = messageFactory.createMessage(); + + requestMessage.setBody(new Object[] {feedEntry}); + + Message responseMessage = postInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + createdFeedEntry = responseMessage.getBody(); + } else { + + // The service implementation does not support feed entries, + // pass the data item to it + Message requestMessage = messageFactory.createMessage(); + Entry<Object, Object> entry = entry(feedEntry, itemClassType, itemXMLType, mediator); + requestMessage.setBody(new Object[] {entry.getKey(), entry.getData()}); + Message responseMessage = postInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + entry.setKey(responseMessage.getBody()); + + createdFeedEntry = feedEntry(entry, itemClassType, itemXMLType, mediator); + } + + } else if (contentType != null) { + + // Create a new media entry + + // Get incoming headers + String title = request.getHeader("Title"); + String slug = request.getHeader("Slug"); + + // Let the component implementation create the media entry + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[] {title, slug, contentType, request.getInputStream()}); + Message responseMessage = postMediaInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + createdFeedEntry = responseMessage.getBody(); + } else { + response.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE); + } + + // A new entry was created successfully + if (createdFeedEntry != null) { + + // Set location of the created entry in the Location header + // Link link = createdFeedEntry.getSelfLink(); + // if (link != null) { + // response.addHeader("Location", link.getHref().toString()); + // } + + // Write the created Atom entry + response.setStatus(HttpServletResponse.SC_CREATED); + response.setContentType("application/atom+xml; charset=utf-8"); + try { + + // Generate the corresponding Atom representation of the + // feed + StringWriter stringWriter = new StringWriter(); + com.google.gdata.util.common.xml.XmlWriter w = + new com.google.gdata.util.common.xml.XmlWriter(stringWriter); + createdFeedEntry.generateAtom(w, new ExtensionProfile()); + w.flush(); + + // Write the Atom representation(XML) into Http response + // content + OutputStreamWriter osw = new OutputStreamWriter(response.getOutputStream()); + PrintWriter out = new PrintWriter(response.getOutputStream()); + out.println(stringWriter.toString()); + out.close(); + + } catch (ParseException pe) { + throw new ServletException(pe); + } + + } else { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + + } else { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + } + + private Writer getWriter(HttpServletResponse response) throws UnsupportedEncodingException, IOException { + Writer writer = new OutputStreamWriter(response.getOutputStream(), "UTF-8"); + return writer; + } + + @Override + protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // Authenticate the user + String user = processAuthorizationHeader(request); + if (user == null) { + unauthorized(response); + return; + } + + // Get the request path + String path = request.getRequestURI().substring(request.getServletPath().length()); + + if (path != null && path.startsWith("/")) { + String id = path.substring(1); + + // Update an Atom entry + String contentType = request.getContentType(); + if (contentType != null && contentType.startsWith("application/atom+xml")) { + + // Read the entry from the request + org.apache.abdera.model.Entry feedEntry; + try { + Document<org.apache.abdera.model.Entry> doc = abderaParser.parse(request.getReader()); + feedEntry = doc.getRoot(); + } catch (ParseException pe) { + throw new ServletException(pe); + } + + // Let the component implementation create it + if (supportsFeedEntries) { + + // The service implementation supports feed entries, pass + // the entry to it + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[] {id, feedEntry}); + Message responseMessage = putInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + if (body.getClass().getName().endsWith(".NotFoundException")) { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } else { + throw new ServletException((Throwable)responseMessage.getBody()); + } + } + } else { + + // The service implementation does not support feed entries, + // pass the data item to it + Message requestMessage = messageFactory.createMessage(); + Entry<Object, Object> entry = entry(feedEntry, itemClassType, itemXMLType, mediator); + requestMessage.setBody(new Object[] {entry.getKey(), entry.getData()}); + Message responseMessage = putInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + if (body.getClass().getName().endsWith(".NotFoundException")) { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } else { + throw new ServletException((Throwable)responseMessage.getBody()); + } + } + } + + } else if (contentType != null) { + + // Updated a media entry + + // Let the component implementation create the media entry + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[] {id, contentType, request.getInputStream()}); + Message responseMessage = putMediaInvoker.invoke(requestMessage); + Object body = responseMessage.getBody(); + if (responseMessage.isFault()) { + if (body.getClass().getName().endsWith(".NotFoundException")) { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } else { + throw new ServletException((Throwable)responseMessage.getBody()); + } + } + } else { + response.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE); + } + } else { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } + } + + @Override + protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, + IOException { + + // Authenticate the user + String user = processAuthorizationHeader(request); + if (user == null) { + unauthorized(response); + return; + } + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + + String id; + if (path != null && path.startsWith("/")) { + id = path.substring(1); + } else { + id = ""; + } + + // Delete a specific entry from the collection + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[] {id}); + Message responseMessage = deleteInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + if (body.getClass().getName().endsWith(".NotFoundException")) { + response.sendError(HttpServletResponse.SC_NOT_FOUND); + } else { + throw new ServletException((Throwable)responseMessage.getBody()); + } + } + } + + /** + * Process the authorization header + * + * @param request + * @return + * @throws ServletException + */ + private String processAuthorizationHeader(HttpServletRequest request) throws ServletException { + + // FIXME temporarily disabling this as it doesn't work with all browsers + if (true) + return "admin"; + + try { + String authorization = request.getHeader("Authorization"); + if (authorization != null) { + StringTokenizer tokens = new StringTokenizer(authorization); + if (tokens.hasMoreTokens()) { + String basic = tokens.nextToken(); + if (basic.equalsIgnoreCase("Basic")) { + String credentials = tokens.nextToken(); + String userAndPassword = new String(Base64.decodeBase64(credentials.getBytes())); + int colon = userAndPassword.indexOf(":"); + if (colon != -1) { + String user = userAndPassword.substring(0, colon); + String password = userAndPassword.substring(colon + 1); + + // Authenticate the User. + if (authenticate(user, password)) { + return user; + } + } + } + } + } + } catch (Exception e) { + throw new ServletException(e); + } + return null; + } + + /** + * Authenticate a user. + * + * @param user + * @param password + * @return + */ + private boolean authenticate(String user, String password) { + // TODO Handle this using SCA security policies + return ("admin".equals(user) && "admin".equals(password)); + } + + /** + * Reject an unauthorized request. + * + * @param response + */ + private void unauthorized(HttpServletResponse response) throws IOException { + response.setHeader("WWW-Authenticate", "BASIC realm=\"Tuscany\""); + response.sendError(HttpServletResponse.SC_UNAUTHORIZED); + } +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingProviderFactory.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingProviderFactory.java new file mode 100644 index 0000000000..765ba43039 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingProviderFactory.java @@ -0,0 +1,73 @@ +/* + * 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.binding.gdata.provider; + +import org.apache.tuscany.sca.binding.gdata.GdataBinding; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.TransformerExtensionPoint; +import org.apache.tuscany.sca.databinding.impl.MediatorImpl; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * Implementation of a Binding provider factory for the Atom binding. + */ +public class GdataBindingProviderFactory implements BindingProviderFactory<GdataBinding> { + + private MessageFactory messageFactory; + private Mediator mediator; + private ServletHost servletHost; + + public GdataBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class); + this.servletHost = servletHosts.getServletHosts().get(0); + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + this.messageFactory = modelFactories.getFactory(MessageFactory.class); + this.mediator = + new MediatorImpl(extensionPoints.getExtensionPoint(DataBindingExtensionPoint.class), extensionPoints + .getExtensionPoint(TransformerExtensionPoint.class)); + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + GdataBinding binding) { + return new GdataReferenceBindingProvider(component, reference, binding, mediator); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + GdataBinding binding) { + return new GdataServiceBindingProvider(component, service, binding, servletHost, messageFactory, mediator); + } + + public Class<GdataBinding> getModelType() { + return GdataBinding.class; + } +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java new file mode 100644 index 0000000000..8f67594108 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataBindingUtil.java @@ -0,0 +1,346 @@ +/* + * 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.binding.gdata.provider; + +import java.util.Date; + +import org.apache.abdera.factory.Factory; +import org.apache.abdera.model.Content; +import org.apache.abdera.model.Link; + +// To-Change +// import com.google.gdata.data.Entry; +// import com.google.gdata.data.Feed; +// import com.google.gdata.data.Link; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.Item; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; + +import com.google.gdata.data.DateTime; +import com.google.gdata.data.PlainTextConstruct; +import com.google.gdata.data.TextContent; + +/** + * Utility methods used in this package. + * + */ +class GdataBindingUtil { + + /** + * Create a data item from an Atom entry. + * + * @param feedEntry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @return + */ + // To-Change: org.apache.abdera.model.Entry --> com.google.gdata.data.Entry + static Entry<Object, Object> entry(org.apache.abdera.model.Entry feedEntry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator) { + if (feedEntry != null) { + if (itemClassType.getPhysical() == Item.class) { + String key = feedEntry.getId().toString(); + + Item item = new Item(); + item.setTitle(feedEntry.getTitle()); + item.setContents(feedEntry.getContent()); + + for (Link link : feedEntry.getLinks()) { + if (link.getRel() == null || "self".equals(link.getRel())) { + if (item.getLink() == null) { + item.setLink(link.getHref().toString()); + } + } else if ("related".equals(link.getRel())) { + item.setRelated(link.getHref().toString()); + } else if ("alternate".equals(link.getRel())) { + item.setAlternate(link.getHref().toString()); + } + } + + item.setDate(feedEntry.getUpdated()); + return new Entry<Object, Object>(key, item); + + // To-change + // Get feed information from feedEntry and create a new Entry + // For GDtata, the corresponding methods are different such as + // getTitle(), getContent(), getUpdated() and getLinks() + // I am going to use Gdata Entry(com.google.gdata.data.Entry) + // and modify accordingly + + } else { + String key = null; + if (feedEntry.getId() != null) { + key = feedEntry.getId().toString(); + } + + // Create the item from XML + if (feedEntry.getContentElement().getElements().size() == 0) { + return null; + } + + String value = feedEntry.getContent(); + Object data = mediator.mediate(value, itemXMLType, itemClassType, null); + + return new Entry<Object, Object>(key, data); + + // To-change + // For GDtata, feedEntry.getContent() will return a + // content(com.google.gdata.data.Content) + // mediator.mediate needs to be changed accordingly + } + } else { + return null; + } + } + + /** + * Create an Atom entry for a key and item from a collection. + * + * @param entry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @param factory + * @return + */ + + // To-Change: org.apache.abdera.model.Entry --> com.google.gdata.data.Entry + static org.apache.abdera.model.Entry feedEntry(Entry<Object, Object> entry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator, + Factory factory) { + Object key = entry.getKey(); + Object data = entry.getData(); + if (data instanceof Item) { + Item item = (Item)data; + + org.apache.abdera.model.Entry feedEntry = factory.newEntry(); + if (key != null) { + feedEntry.setId(key.toString()); + } + feedEntry.setTitle(item.getTitle()); + feedEntry.setContentAsHtml(item.getContents()); + + String href = item.getLink(); + if (href == null && key != null) { + href = key.toString(); + } + + if (href != null) { + feedEntry.addLink(href); + } + String related = item.getRelated(); + if (related != null) { + feedEntry.addLink(related, "related"); + } + String alternate = item.getAlternate(); + if (alternate != null) { + feedEntry.addLink(alternate, "alternate"); + } + + Date date = item.getDate(); + if (date != null) { + feedEntry.setUpdated(date); + } + return feedEntry; + + // To-change + // Get feed information from collection.item and create a new Gdata + // Entry + // For GDtata, the corresponding methods are quite different such as + // setTitle(), setContent(), setUpdated(), addLink() + // + // For example: + // entry.setTitle(new PlainTextConstruct("title_")); + // entry.setContent(new PlainTextConstruct("content_")); + // entry.setUpdated(DateTime.now()); + // entry.addHtmlLink("http://www.google.com", "languageType", + // "title"); + // + // I am going to use Gdata Entry(com.google.gdata.data.Entry) and + // modify accordingly + + } else if (data != null) { + org.apache.abdera.model.Entry feedEntry = factory.newEntry(); + feedEntry.setId(key.toString()); + feedEntry.setTitle("item"); + + // Convert the item to XML + String value = mediator.mediate(data, itemClassType, itemXMLType, null).toString(); + + Content content = factory.newContent(); + content.setContentType(Content.Type.XML); + content.setValue(value); + + feedEntry.setContentElement(content); + + feedEntry.addLink(key.toString()); + + return feedEntry; + + // To-change + // Get feed information from XML data(item to XML first via + // mediator) + // and create a new Gdata Entry + // Modify GData Entry set methods accordingly + + } else { + return null; + } + } + + /** + * Create a data item from an Gdata entry. + * + * @param feedEntry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @return + */ + static Entry<Object, Object> entry(com.google.gdata.data.Entry feedEntry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator) { + if (feedEntry != null) { + if (itemClassType.getPhysical() == Item.class) { + String key = feedEntry.getId().toString(); + + Item item = new Item(); + item.setTitle(feedEntry.getTitle().toString()); + TextContent content = (TextContent)feedEntry.getContent(); + item.setContents(content.getContent().getPlainText()); + + for (com.google.gdata.data.Link link : feedEntry.getLinks()) { + if (link.getRel() == null || "self".equals(link.getRel())) { + if (item.getLink() == null) { + item.setLink(link.getHref().toString()); + } + } else if ("related".equals(link.getRel())) { + item.setRelated(link.getHref().toString()); + } else if ("alternate".equals(link.getRel())) { + item.setAlternate(link.getHref().toString()); + } + } + + Date date = new Date(feedEntry.getUpdated().getValue()); + item.setDate(date); + return new Entry<Object, Object>(key, item); + + } else { + String key = null; + if (feedEntry.getId() != null) { + key = feedEntry.getId(); + } + + // Create the item from XML + if (feedEntry.getContent() == null) { + return null; + } + + TextContent content = (TextContent)feedEntry.getContent(); + String value = content.getContent().getPlainText(); + Object data = mediator.mediate(value, itemXMLType, itemClassType, null); + return new Entry<Object, Object>(key, data); + } + } else { + return null; + } + } + + /** + * Create an Gdata entry for a key and item from a collection. + * + * @param entry + * @param itemClassType + * @param itemXMLType + * @param mediator + * @param factory + * @return + */ + static com.google.gdata.data.Entry feedEntry(Entry<Object, Object> entry, + DataType<?> itemClassType, + DataType<?> itemXMLType, + Mediator mediator) { + + Object key = entry.getKey(); + Object data = entry.getData(); + if (data instanceof Item) { + Item item = (Item)data; + + com.google.gdata.data.Entry feedEntry = new com.google.gdata.data.Entry(); + if (key != null) { + feedEntry.setId(key.toString()); + } + feedEntry.setTitle(new PlainTextConstruct(item.getTitle())); + feedEntry.setContent(new PlainTextConstruct(item.getContents())); + + String href = item.getLink(); + if (href == null && key != null) { + href = key.toString(); + } + + if (href != null) { + feedEntry.addHtmlLink(href, "", ""); + } + String related = item.getRelated(); + if (related != null) { + feedEntry.addHtmlLink(related, "", "related"); + } + String alternate = item.getAlternate(); + if (alternate != null) { + feedEntry.addHtmlLink(alternate, "", "alternate"); + } + + Date date = item.getDate(); + if (date != null) { + DateTime datetime = new DateTime(date); + feedEntry.setUpdated(datetime); + } + return feedEntry; + + } else if (data != null) { + + com.google.gdata.data.Entry feedEntry = new com.google.gdata.data.Entry(); + feedEntry.setId(key.toString()); + feedEntry.setTitle(new PlainTextConstruct("item")); + + // Convert the item to XML + String value = mediator.mediate(data, itemClassType, itemXMLType, null).toString(); + + // Might be wrong because the example uses XML datatype, I am using + // plainText here + feedEntry.setContent(new PlainTextConstruct(value)); + + feedEntry.addHtmlLink(key.toString(), "", ""); + return feedEntry; + + } else { + return null; + } + } + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataReferenceBindingProvider.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataReferenceBindingProvider.java new file mode 100644 index 0000000000..1748006469 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataReferenceBindingProvider.java @@ -0,0 +1,214 @@ +/* + * 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.binding.gdata.provider; + +import java.net.URI; + +import javax.xml.namespace.QName; + +import org.apache.commons.codec.binary.Base64; +import org.apache.commons.httpclient.Credentials; +import org.apache.commons.httpclient.HttpClient; +import org.apache.commons.httpclient.HttpConnectionManager; +import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager; +import org.apache.commons.httpclient.UsernamePasswordCredentials; +import org.apache.commons.httpclient.auth.AuthScope; +import org.apache.tuscany.sca.binding.gdata.GdataBinding; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +/** + * Implementation of the Atom binding provider. + * + * @version $Rev$ $Date$ + */ +class GdataReferenceBindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + private GdataBinding binding; + private String authorizationHeader; + private HttpClient httpClient; + private Mediator mediator; + private DataType<?> itemClassType; + private DataType<?> itemXMLType; + private boolean supportsFeedEntries; + + /** + * Constructs a new AtomReferenceBindingProvider + * + * @param component + * @param reference + * @param binding + * @param mediator + */ + GdataReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + GdataBinding binding, + Mediator mediator) { + this.reference = reference; + this.binding = binding; + this.mediator = mediator; + + // Prepare authorization header + String authorization = "admin" + ":" + "admin"; + authorizationHeader = "Basic " + new String(Base64.encodeBase64(authorization.getBytes())); + + // Create an HTTP client + HttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager(); + connectionManager.getParams().setDefaultMaxConnectionsPerHost(10); + connectionManager.getParams().setConnectionTimeout(60000); + httpClient = new HttpClient(connectionManager); + } + + public Invoker createInvoker(Operation operation) { + + String operationName = operation.getName(); + + // //System.out.println("GdataReferenceBindingProvider.createInvoker---operationName:" + // + operationName); + + if (operationName.equals("get")) { + + // Determine the collection item type + itemXMLType = new DataTypeImpl<Class<?>>(String.class.getName(), String.class, String.class); + Class<?> itemClass = operation.getOutputType().getPhysical(); + DataType<XMLType> outputType = operation.getOutputType(); + QName qname = outputType.getLogical().getElementName(); + qname = new QName(qname.getNamespaceURI(), itemClass.getSimpleName()); + itemClassType = new DataTypeImpl<XMLType>("java:complexType", itemClass, new XMLType(qname, null)); + + // To-change + // org.apache.abdera.model.Entry --> com.google.gdata.data.Entry; + + if (itemClassType.getPhysical() == com.google.gdata.data.Entry.class) { + supportsFeedEntries = true; + } + + // //System.out.println("GdataReferenceBindingProvider.createInvoker---operation=get"); + return new GdataBindingInvoker.GetInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + + } else if (operationName.equals("post")) { + + // //System.out.println("GdataReferenceBindingProvider CreateInvoker + // --- post"); + return new GdataBindingInvoker.PostInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + + } else if (operationName.equals("put")) { + + return new GdataBindingInvoker.PutInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + } else if (operationName.equals("delete")) { + return new GdataBindingInvoker.DeleteInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + } else if (operationName.equals("getFeed") || operationName.equals("getAll")) { + + // //System.out.println("GdataReferenceBindingProvider + // CreateInvoker: getFeed or getAll"); + + return new GdataBindingInvoker.GetAllInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + + } else if (operationName.equals("postMedia")) { + return new GdataBindingInvoker.PostMediaInvoker(operation, binding.getURI(), httpClient, + authorizationHeader, this); + } else if (operationName.equals("putMedia")) { + return new GdataBindingInvoker.PutMediaInvoker(operation, binding.getURI(), httpClient, + authorizationHeader, this); + } else if (operationName.equals("query")) { + return new GdataBindingInvoker.QueryInvoker(operation, binding.getURI(), httpClient, authorizationHeader, + this); + } + + return new GdataBindingInvoker(operation, binding.getURI(), httpClient, authorizationHeader, this); + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public void start() { + + // Configure the HTTP client credentials + Credentials credentials = new UsernamePasswordCredentials("admin", "admin"); + httpClient.getParams().setAuthenticationPreemptive(true); + URI uri = URI.create(binding.getURI()); + httpClient.getState().setCredentials(new AuthScope(uri.getHost(), uri.getPort()), credentials); + + // Find the get operation on the reference interface + if (true) { + return; + } + } + + public void stop() { + + } + + public boolean supportsOneWayInvocation() { + return false; + } + + /** + * Returns the mediator. + * + * @return + */ + Mediator getMediator() { + return mediator; + } + + /** + * Returns the item class type. + * + * @return + */ + DataType<?> getItemClassType() { + return itemClassType; + } + + /** + * Returns the item XML type. + * + * @return + */ + DataType<?> getItemXMLType() { + return itemXMLType; + } + + /** + * Returns true if the invoker should work with Atom feed entries. + * + * @return + */ + boolean supportsFeedEntries() { + return supportsFeedEntries; + } + +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataServiceBindingProvider.java b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataServiceBindingProvider.java new file mode 100644 index 0000000000..10faf74371 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/java/org/apache/tuscany/sca/binding/gdata/provider/GdataServiceBindingProvider.java @@ -0,0 +1,90 @@ +/* + * 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.binding.gdata.provider; + +import org.apache.tuscany.sca.binding.gdata.GdataBinding; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * Implementation of the Atom binding provider. + * + * @version $Rev$ $Date$ + */ +class GdataServiceBindingProvider implements ServiceBindingProvider { + + private RuntimeComponentService service; + private GdataBinding binding; + private ServletHost servletHost; + private MessageFactory messageFactory; + private String servletMapping; + private Mediator mediator; + + GdataServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + GdataBinding binding, + ServletHost servletHost, + MessageFactory messageFactory, + Mediator mediator) { + this.service = service; + this.binding = binding; + this.servletHost = servletHost; + this.messageFactory = messageFactory; + this.mediator = mediator; + } + + public InterfaceContract getBindingInterfaceContract() { + return service.getInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + RuntimeComponentService componentService = (RuntimeComponentService)service; + RuntimeWire wire = componentService.getRuntimeWire(binding); + + GdataBindingListenerServlet servlet = + new GdataBindingListenerServlet(wire, messageFactory, mediator, binding.getTitle()); + + servletMapping = binding.getURI(); + if (!servletMapping.endsWith("/")) { + servletMapping += "/"; + } + if (!servletMapping.endsWith("*")) { + servletMapping += "*"; + } + servletHost.addServletMapping(servletMapping, servlet); + + // Save the actual binding URI in the binding + binding.setURI(servletHost.getURLMapping(binding.getURI()).toString()); + } + + public void stop() { + servletHost.removeServletMapping(servletMapping); + } +} diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory new file mode 100644 index 0000000000..5e380eb4e0 --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.BindingProviderFactory @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for the binding extension +org.apache.tuscany.sca.binding.gdata.provider.GdataBindingProviderFactory;model=org.apache.tuscany.sca.binding.gdata.GdataBinding diff --git a/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/tuscany-binding-gdata.xsd b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/tuscany-binding-gdata.xsd new file mode 100644 index 0000000000..5148e2ef2d --- /dev/null +++ b/java/sca/modules/binding-gdata-runtime-gsoc/src/main/resources/tuscany-binding-gdata.xsd @@ -0,0 +1,36 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<schema xmlns="http://www.w3.org/2001/XMLSchema" + targetNamespace="http://echo" + xmlns:sca="http://www.osoa.org/xmlns/sca/1.0" + xmlns:e="http://echo" + elementFormDefault="qualified"> + + <import namespace="http://www.osoa.org/xmlns/sca/1.0"/> + + <element name="binding.gdata" type="e:GdataBinding"/> + + <complexType name="GdataBinding"> + <complexContent> + <extension base="sca:Binding"> + </extension> + </complexContent> + </complexType> +</schema> |