diff options
Diffstat (limited to 'java/sca/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingInvoker.java')
| -rw-r--r-- | java/sca/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingInvoker.java | 515 |
1 files changed, 0 insertions, 515 deletions
diff --git a/java/sca/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingInvoker.java b/java/sca/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingInvoker.java deleted file mode 100644 index c7552f932e..0000000000 --- a/java/sca/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingInvoker.java +++ /dev/null @@ -1,515 +0,0 @@ -/* - * 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.atom.provider; - -import static org.apache.tuscany.sca.binding.atom.provider.AtomBindingUtil.entry; -import static org.apache.tuscany.sca.binding.atom.provider.AtomBindingUtil.feedEntry; - -import java.io.InputStreamReader; -import java.io.StringWriter; -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.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.atom.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.oasisopen.sca.ServiceRuntimeException; - -/** - * Invoker for the Atom binding. - * - * @version $Rev$ $Date$ - */ -class AtomBindingInvoker 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; - AtomReferenceBindingProvider provider; - - AtomBindingInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - this.operation = operation; - this.uri = uri; - this.httpClient = httpClient; - this.authorizationHeader = authorizationHeader; - this.provider = bindingProvider; - } - - 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 AtomBindingInvoker { - - public GetInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - super(operation, uri, httpClient, authorizationHeader, bindingProvider); - } - - @Override - public Message invoke(Message msg) { - // Get an entry - String id = (String)((Object[])msg.getBody())[0]; - - // Send an HTTP GET - GetMethod getMethod = new GetMethod(uri + "/" + id); - getMethod.setRequestHeader("Authorization", authorizationHeader); - boolean parsing = false; - try { - httpClient.executeMethod(getMethod); - int status = getMethod.getStatusCode(); - - // Read the Atom entry - if (status == 200) { - Document<org.apache.abdera.model.Entry> doc = - abderaParser.parse(new InputStreamReader(getMethod.getResponseBodyAsStream())); - parsing = true; - org.apache.abdera.model.Entry feedEntry = doc.getRoot(); - - if (provider.supportsFeedEntries()) { - - // Return the Atom entry - msg.setBody(feedEntry); - - } 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()); - } - - } else if (status == 404) { - if ( provider.supportsFeedEntries()) - msg.setFaultBody(new NotFoundException()); - else - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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 AtomBindingInvoker { - - public PostInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - super(operation, uri, httpClient, authorizationHeader, bindingProvider); - } - - @Override - public Message invoke(Message msg) { - // Post an entry - Object[] args = (Object[])msg.getBody(); - org.apache.abdera.model.Entry feedEntry; - if (provider.supportsFeedEntries()) { - - // Expect an Atom entry - feedEntry = (org.apache.abdera.model.Entry)args[0]; - } else { - - // Expect a key and data item - Entry<Object, Object> entry = new Entry<Object, Object>(args[0], args[1]); - feedEntry = feedEntry(entry, provider.getItemClassType(), - provider.getItemXMLType(), provider.getMediator(), abderaFactory); - } - - // Send an HTTP POST - PostMethod postMethod = new PostMethod(uri); - postMethod.setRequestHeader("Authorization", authorizationHeader); - boolean parsing = false; - try { - - // Write the Atom entry - StringWriter writer = new StringWriter(); - feedEntry.writeTo(writer); - // postMethod.setRequestHeader("Content-type", "application/atom+xml; charset=utf-8"); - postMethod.setRequestHeader("Content-type", "application/atom+xml;type=entry"); - postMethod.setRequestEntity(new StringRequestEntity(writer.toString())); - - httpClient.executeMethod(postMethod); - int status = postMethod.getStatusCode(); - - // 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(); - - // 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()); - } - - } else if (status == 404) { - if ( provider.supportsFeedEntries()) - msg.setFaultBody(new NotFoundException()); - else - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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; - } - } - - /** - * Put operation invoker - */ - public static class PutInvoker extends AtomBindingInvoker { - - public PutInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider 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 || status == 412) { - - msg.setBody(null); - - } else if (status == 404) { - if ( provider.supportsFeedEntries()) - msg.setFaultBody(new NotFoundException()); - else - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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 AtomBindingInvoker { - - public DeleteInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider 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) { - if ( provider.supportsFeedEntries()) - msg.setFaultBody(new NotFoundException()); - else - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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 AtomBindingInvoker { - - public GetAllInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - super(operation, uri, httpClient, authorizationHeader, bindingProvider); - } - - @Override - public Message invoke(Message msg) { - // Get a feed - - // Send an HTTP GET - GetMethod getMethod = new GetMethod(uri); - getMethod.setRequestHeader("Authorization", authorizationHeader); - boolean parsing = false; - try { - httpClient.executeMethod(getMethod); - int status = getMethod.getStatusCode(); - // AtomBindingInvoker.printResponseHeader( getMethod ); - - // Read the Atom feed - if (status == 200) { - Document<Feed> doc = abderaParser.parse(new InputStreamReader(getMethod.getResponseBodyAsStream())); - parsing = true; - - Feed feed = null; - try { - feed = doc.getRoot(); - } catch(Exception e) { - throw new IllegalArgumentException("Invalid feed format :" + uri); - } - - 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) { - if ( provider.supportsFeedEntries()) { - msg.setFaultBody(new NotFoundException()); - } else { - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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 AtomBindingInvoker { - - public QueryInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider 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) { - if ( provider.supportsFeedEntries()) - msg.setFaultBody(new NotFoundException()); - else - msg.setFaultBody(new org.apache.tuscany.sca.data.collection.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 AtomBindingInvoker { - - public PostMediaInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - super(operation, uri, httpClient, authorizationHeader, bindingProvider); - } - - @Override - public Message invoke(Message msg) { - // PostInvoker can detect media by content type (non-Feed, non-Entry) - return super.invoke(msg); - } - } - - /** - * PutMedia operation invoker - */ - public static class PutMediaInvoker extends AtomBindingInvoker { - - public PutMediaInvoker(Operation operation, String uri, HttpClient httpClient, String authorizationHeader, AtomReferenceBindingProvider bindingProvider) { - super(operation, uri, httpClient, authorizationHeader, bindingProvider); - } - - @Override - public Message invoke(Message msg) { - // PutInvoker can detect media by content type (non-Feed, non-Entry) - return super.invoke(msg); - } - } - - public boolean allowsPassByReference() { - return true; - } - -} |