1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* 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 org.apache.http.client.HttpClient;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.binding.atom.AtomBinding;
import org.apache.tuscany.sca.databinding.Mediator;
import org.apache.tuscany.sca.host.http.client.HttpClientFactory;
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.RuntimeComponentReference;
/**
* Implementation of the Atom binding provider.
*
* @version $Rev$ $Date$
*/
class AtomReferenceBindingProvider implements ReferenceBindingProvider {
private HttpClientFactory httpClientFactory;
private EndpointReference endpointReference;
private RuntimeComponentReference reference;
private AtomBinding binding;
private String authorizationHeader = null;
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
*/
AtomReferenceBindingProvider(HttpClientFactory httpClientFactory,
EndpointReference endpointReference,
Mediator mediator) {
this.httpClientFactory = httpClientFactory;
this.endpointReference = endpointReference;
this.reference = (RuntimeComponentReference)endpointReference.getReference();
this.binding = (AtomBinding)endpointReference.getBinding();
this.mediator = mediator;
// Prepare authorization header
// TUSCANY-3735: Don't send authorization header by default as this can cause problems.
// Commented out the following two lines until we have a better way to control this.
//String authorization = "admin" + ":" + "admin";
//authorizationHeader = "Basic " + new String(Base64.encodeBase64(authorization.getBytes()));
}
public Invoker createInvoker(Operation operation) {
String operationName = operation.getName();
String uri = endpointReference.getDeployedURI();
if (operationName.equals("get")) {
// Determine the collection item type
itemXMLType = new DataTypeImpl<Class<?>>(String.class.getName(), String.class, String.class);
DataType<XMLType> outputType = operation.getOutputType().getLogical().get(0);
itemClassType = outputType;
if (itemClassType.getPhysical() == org.apache.abdera.model.Entry.class) {
supportsFeedEntries = true;
}
return new AtomBindingInvoker.GetInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("post")) {
return new AtomBindingInvoker.PostInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("put")) {
return new AtomBindingInvoker.PutInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("delete")) {
return new AtomBindingInvoker.DeleteInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("getFeed") || operationName.equals("getAll")) {
return new AtomBindingInvoker.GetAllInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("postMedia")) {
return new AtomBindingInvoker.PostMediaInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("putMedia")) {
return new AtomBindingInvoker.PutMediaInvoker(operation, uri, httpClient, authorizationHeader, this);
} else if (operationName.equals("query")) {
return new AtomBindingInvoker.QueryInvoker(operation, uri, httpClient, authorizationHeader, this);
}
return new AtomBindingInvoker(operation, uri, httpClient, authorizationHeader, this);
}
public InterfaceContract getBindingInterfaceContract() {
return reference.getInterfaceContract();
}
public void start() {
// Configure the HTTP client credentials
// TUSCANY-3735: Don't use authentication by default as this can cause problems.
// Commented out the following four lines until we have a better way to control this.
//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
// Create an HTTP client
httpClient = httpClientFactory.createHttpClient();
}
public void stop() {
if (httpClient != null) {
httpClient.getConnectionManager().shutdown();
}
}
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;
}
}
|
