Initial OpenECOMP MSO OpenStack SDK lib commit

Change-Id: Ieaacb2b2c0dcc469669880e73f0cda9fa59a6c5a
Signed-off-by: ChrisC <cc697w@intl.att.com>

4 files changed, 222 insertions, 0 deletions

diff --git a/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyConnector.java b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyConnector.java
new file mode 100644
index 0000000..b2ec415
--- /dev/null
+++ b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyConnector.java
@@ -0,0 +1,125 @@
+package com.woorea.openstack.connector;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.ws.rs.core.UriBuilder;
+import javax.ws.rs.ext.ContextResolver;
+
+import org.apache.commons.httpclient.HttpStatus;
+import org.codehaus.jackson.jaxrs.JacksonJsonProvider;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.map.annotate.JsonRootName;
+import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
+import org.jboss.resteasy.client.ClientRequest;
+import org.jboss.resteasy.client.ClientResponse;
+import org.jboss.resteasy.plugins.providers.InputStreamProvider;
+import org.jboss.resteasy.spi.ResteasyProviderFactory;
+
+import com.woorea.openstack.base.client.OpenStackClientConnector;
+import com.woorea.openstack.base.client.OpenStackRequest;
+import com.woorea.openstack.base.client.OpenStackResponse;
+import com.woorea.openstack.base.client.OpenStackResponseException;
+
+public class RESTEasyConnector implements OpenStackClientConnector {
+
+	public static ObjectMapper DEFAULT_MAPPER;
+
+	public static ObjectMapper WRAPPED_MAPPER;
+
+	static class OpenStackProviderFactory extends ResteasyProviderFactory {
+
+		private JacksonJsonProvider jsonProvider;
+		private InputStreamProvider streamProvider;
+
+		public OpenStackProviderFactory() {
+			super();
+
+			addContextResolver(new ContextResolver<ObjectMapper>() {
+				public ObjectMapper getContext(Class<?> type) {
+					return type.getAnnotation(JsonRootName.class) == null ? DEFAULT_MAPPER : WRAPPED_MAPPER;
+				}
+			});
+
+			jsonProvider = new JacksonJsonProvider();
+			addMessageBodyReader(jsonProvider);
+			addMessageBodyWriter(jsonProvider);
+
+			streamProvider = new InputStreamProvider();
+			addMessageBodyReader(streamProvider);
+			addMessageBodyWriter(streamProvider);
+		}
+
+	}
+
+	private static OpenStackProviderFactory providerFactory;
+
+	static {
+		DEFAULT_MAPPER = new ObjectMapper();
+
+		DEFAULT_MAPPER.setSerializationInclusion(Inclusion.NON_NULL);
+		DEFAULT_MAPPER.enable(SerializationConfig.Feature.INDENT_OUTPUT);
+		DEFAULT_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+		DEFAULT_MAPPER.disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
+		DEFAULT_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
+
+		WRAPPED_MAPPER = new ObjectMapper();
+
+		WRAPPED_MAPPER.setSerializationInclusion(Inclusion.NON_NULL);
+		WRAPPED_MAPPER.enable(SerializationConfig.Feature.INDENT_OUTPUT);
+		WRAPPED_MAPPER.enable(SerializationConfig.Feature.WRAP_ROOT_VALUE);
+		WRAPPED_MAPPER.enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE);
+		WRAPPED_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+		WRAPPED_MAPPER.disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
+		WRAPPED_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
+
+		providerFactory = new OpenStackProviderFactory();
+	}
+
+	public <T> OpenStackResponse request(OpenStackRequest<T> request) {
+		ClientRequest client = new ClientRequest(UriBuilder.fromUri(request.endpoint() + "/" + request.path()),
+				ClientRequest.getDefaultExecutor(), providerFactory);
+
+		for(Map.Entry<String, List<Object> > entry : request.queryParams().entrySet()) {
+			for (Object o : entry.getValue()) {
+				client = client.queryParameter(entry.getKey(), String.valueOf(o));
+			}
+		}
+
+		for (Entry<String, List<Object>> h : request.headers().entrySet()) {
+			StringBuilder sb = new StringBuilder();
+			for (Object v : h.getValue()) {
+				sb.append(String.valueOf(v));
+			}
+			client.header(h.getKey(), sb);
+		}
+
+		if (request.entity() != null) {
+			client.body(request.entity().getContentType(), request.entity().getEntity());
+		}
+
+		ClientResponse<T> response;
+
+		try {
+			response = client.httpMethod(request.method().name(), request.returnType());
+		} catch (Exception e) {
+			throw new RuntimeException("Unexpected client exception", e);
+		}
+
+		if (response.getStatus() == HttpStatus.SC_OK
+				|| response.getStatus() == HttpStatus.SC_CREATED
+				|| response.getStatus() == HttpStatus.SC_NO_CONTENT
+				|| response.getStatus() == HttpStatus.SC_ACCEPTED) {
+			return new RESTEasyResponse(client, response);
+		}
+
+		response.releaseConnection();
+
+		throw new OpenStackResponseException(response.getResponseStatus()
+				.getReasonPhrase(), response.getStatus());
+	}
+
+}
diff --git a/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyInputStream.java b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyInputStream.java
new file mode 100644
index 0000000..913a500
--- /dev/null
+++ b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyInputStream.java
@@ -0,0 +1,37 @@
+package com.woorea.openstack.connector;
+
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.SocketException;
+
+import org.jboss.resteasy.client.ClientExecutor;
+
+
+public class RESTEasyInputStream extends FilterInputStream {
+
+	protected ClientExecutor clientExecutor;
+
+	public RESTEasyInputStream(InputStream inputStream, ClientExecutor clientExecutor) {
+		super(inputStream);
+		this.clientExecutor = clientExecutor;
+	}
+
+	@Override
+	public void close() throws IOException {
+		try {
+			clientExecutor.close();
+		} catch (Exception e) {
+			// Silently skip errors in the socket close errors
+		}
+
+		try {
+			super.close();
+		} catch (SocketException e) {
+			// We expect this exception because the socket is closed
+		} catch (IllegalStateException e) {
+			// We expect this exception because the socket is closed (httpclient 4.2)
+		}
+	}
+
+}
diff --git a/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyResponse.java b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyResponse.java
new file mode 100644
index 0000000..82e3187
--- /dev/null
+++ b/openstack-client-connectors/resteasy-connector/src/main/java/com/woorea/openstack/connector/RESTEasyResponse.java
@@ -0,0 +1,59 @@
+package com.woorea.openstack.connector;
+
+/*
+ * Modifications copyright (c) 2017 AT&T Intellectual Property
+ */
+
+import org.jboss.resteasy.client.ClientRequest;
+import org.jboss.resteasy.client.ClientResponse;
+import com.woorea.openstack.base.client.OpenStackResponse;
+
+import javax.ws.rs.core.MultivaluedMap;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+public class RESTEasyResponse implements OpenStackResponse {
+
+    private ClientRequest client;
+
+    private ClientResponse response;
+
+    public RESTEasyResponse(ClientRequest client, ClientResponse response) {
+        this.client = client;
+        this.response = response;
+    }
+
+    @Override
+    public <T> T getEntity(Class<T> returnType) {
+        return (T) response.getEntity(returnType);
+    }
+
+    @Override
+    public <T> T getErrorEntity(Class<T> returnType) {
+        return (T) response.getEntity(returnType);
+    }
+
+    @Override
+    public InputStream getInputStream() {
+		return new RESTEasyInputStream((InputStream) response.getEntity(InputStream.class), client.getExecutor());
+    }
+
+    @Override
+    public String header(String name) {
+        return response.getHeaders().getFirst(name).toString();
+    }
+
+    @Override
+    public Map<String, String> headers() {
+        Map<String, String> headers = new HashMap<String, String>();
+        MultivaluedMap<String, Object> responseHeaders = response.getHeaders();
+
+        for (String key : responseHeaders.keySet()) {
+            headers.put(key, responseHeaders.getFirst(key).toString());
+        }
+
+        return headers;
+    }
+
+}
diff --git a/openstack-client-connectors/resteasy-connector/src/main/resources/META-INF/services/com.woorea.openstack.base.client.OpenStackClientConnector b/openstack-client-connectors/resteasy-connector/src/main/resources/META-INF/services/com.woorea.openstack.base.client.OpenStackClientConnector
new file mode 100644
index 0000000..dbb991d
--- /dev/null
+++ b/openstack-client-connectors/resteasy-connector/src/main/resources/META-INF/services/com.woorea.openstack.base.client.OpenStackClientConnector
@@ -0,0 +1 @@
+com.woorea.openstack.connector.RESTEasyConnector
\ No newline at end of file