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authorInstrumental <jonathan.gathman@att.com>2018-07-22 07:49:16 -0500
committerInstrumental <jonathan.gathman@att.com>2018-07-22 07:49:20 -0500
commitcf52d77279f8d5a70429d45abad0ef3d1135070c (patch)
treef084fd660d3e201abc853df8f17542a044120070 /cadi/oauth-enduser/src
parent65c40b3bffb78a1a77d82fc74bbf633a6d0d906f (diff)
Finish RESTful Client API
Issue-ID: AAF-361 Change-Id: I999cb419a79c5995baf3757fdbbe047528901597 Signed-off-by: Instrumental <jonathan.gathman@att.com>
Diffstat (limited to 'cadi/oauth-enduser/src')
-rw-r--r--cadi/oauth-enduser/src/main/java/org/onap/aaf/cadi/enduser/SimpleRESTClient.java175
-rw-r--r--cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/SimpleRestClientExample.java150
2 files changed, 303 insertions, 22 deletions
diff --git a/cadi/oauth-enduser/src/main/java/org/onap/aaf/cadi/enduser/SimpleRESTClient.java b/cadi/oauth-enduser/src/main/java/org/onap/aaf/cadi/enduser/SimpleRESTClient.java
index 386d938c..30344de5 100644
--- a/cadi/oauth-enduser/src/main/java/org/onap/aaf/cadi/enduser/SimpleRESTClient.java
+++ b/cadi/oauth-enduser/src/main/java/org/onap/aaf/cadi/enduser/SimpleRESTClient.java
@@ -21,11 +21,14 @@
package org.onap.aaf.cadi.enduser;
import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintWriter;
import java.net.ConnectException;
import java.security.Principal;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.LocatorException;
+import org.onap.aaf.cadi.client.EClient;
import org.onap.aaf.cadi.client.Future;
import org.onap.aaf.cadi.client.Rcli;
import org.onap.aaf.cadi.client.Result;
@@ -37,8 +40,10 @@ import org.onap.aaf.cadi.oauth.TokenClientFactory;
import org.onap.aaf.cadi.oauth.TzClient;
import org.onap.aaf.cadi.principal.TaggedPrincipal;
import org.onap.aaf.misc.env.APIException;
+import org.onap.aaf.misc.env.util.StringBuilderWriter;
public class SimpleRESTClient {
+ private static final String APPLICATION_JSON = "application/json";
private static final String[] EMPTY = new String[0];
private final TokenClient tokenClient;
private final TzClient restClient;
@@ -93,13 +98,116 @@ public class SimpleRESTClient {
}
return this;
}
+
+ /**
+ * Single Threaded Class for building up content
+ * @author jg1555
+ *
+ */
+ public static class Input {
+ private static final byte[] EMPTY_STREAM_BYTES = "".getBytes();
+
+ private String content;
+ private StringBuilder sb;
+
+ public Input() {
+ content = null;
+ sb = null;
+ }
+
+ public Input(final String content) {
+ this.content = content;
+ }
+
+ public void set(final String content) {
+ this.content = content;
+ }
+
+ public PrintWriter writer() {
+ return new PrintWriter(new StringBuilderWriter(builder()));
+ }
+
+ public StringBuilder builder() {
+ if(sb==null) {
+ sb = new StringBuilder();
+ content = null;
+ }
+ return sb;
+ }
+
+ /**
+ * Reuse StringBuilder object
+ */
+ public void clear() {
+ content = null;
+ if(sb!=null) {
+ sb.setLength(0);
+ }
+ }
+
+ @Override
+ public String toString() {
+ if(content!=null) {
+ return content;
+ } else if(sb!=null) {
+ return sb.toString();
+ } else {
+ return "";
+ }
+ }
+
+ public byte[] getBytes() {
+ byte[] rv;
+ if(content==null) {
+ if(sb==null) {
+ rv = EMPTY_STREAM_BYTES;
+ } else {
+ rv = sb.toString().getBytes();
+ }
+ } else {
+ rv = content.getBytes();
+ }
+ content = null;
+ return rv;
+ }
+ }
+
+ /////////////////////////////////////////////////////////////
+ //
+ // CREATE
+ //
+ /////////////////////////////////////////////////////////////
+ public void create(final String path, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ post(path,APPLICATION_JSON, input);
+ }
+
+ public void post(final String path, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ post(path,APPLICATION_JSON, input);
+ }
+
+ public void post(final String path, final String contentType, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ Future<Void> future = restClient.best(new Retryable<Future<Void>>() {
+ @Override
+ public Future<Void> code(Rcli<?> client) throws CadiException, ConnectException, APIException {
+ return client.create(path, contentType, new ETransfer(input));
+ }
+ });
+ if(!future.get(callTimeout)) {
+ throw new RESTException(future);
+ }
+ }
+ /////////////////////////////////////////////////////////////
+ //
+ // READ
+ //
+ /////////////////////////////////////////////////////////////
public String read(final String path) throws RESTException, CadiException, LocatorException, APIException {
- return get(path,"application/json");
+ return get(path,APPLICATION_JSON);
}
public String get(final String path) throws RESTException, CadiException, LocatorException, APIException {
- return get(path,"application/json");
+ return get(path,APPLICATION_JSON);
}
public String get(final String path, final String accepts) throws RESTException, CadiException, LocatorException, APIException {
@@ -116,6 +224,69 @@ public class SimpleRESTClient {
}
}
+ /////////////////////////////////////////////////////////////
+ //
+ // UPDATE
+ //
+ /////////////////////////////////////////////////////////////
+
+ public String update(final String path, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ return put(path,APPLICATION_JSON, input);
+ }
+
+ public String put(final String path, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ return put(path,APPLICATION_JSON, input);
+ }
+
+ public String put(final String path, final String contentType, final Input input) throws RESTException, CadiException, LocatorException, APIException {
+ Future<String> future = restClient.best(new Retryable<Future<String>>() {
+ @Override
+ public Future<String> code(Rcli<?> client) throws CadiException, ConnectException, APIException {
+ return client.update(path, contentType, new ETransfer(input));
+ }
+ });
+ if(future.get(callTimeout)) {
+ return future.value;
+ } else {
+ throw new RESTException(future);
+ }
+ }
+
+ /////////////////////////////////////////////////////////////
+ //
+ // DELETE
+ //
+ /////////////////////////////////////////////////////////////
+ public void delete(final String path) throws RESTException, CadiException, LocatorException, APIException {
+ delete(path,APPLICATION_JSON);
+ }
+
+ public void delete(final String path, final String contentType) throws RESTException, CadiException, LocatorException, APIException {
+ Future<Void> future = restClient.best(new Retryable<Future<Void>>() {
+ @Override
+ public Future<Void> code(Rcli<?> client) throws CadiException, ConnectException, APIException {
+ return client.delete(path, contentType);
+ }
+ });
+ if(!future.get(callTimeout)) {
+ throw new RESTException(future);
+ }
+ }
+
+ /////////////////////////////////////////////////////////////
+
+ private static class ETransfer implements EClient.Transfer {
+ private Input input;
+ public ETransfer(final Input input) {
+ this.input = input;
+ }
+
+ @Override
+ public void transfer(OutputStream os) throws IOException, APIException {
+ os.write(input.getBytes());
+ }
+ }
+
public interface Headers {
String[] headers();
}
diff --git a/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/SimpleRestClientExample.java b/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/SimpleRestClientExample.java
index 7d251bad..6cabc654 100644
--- a/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/SimpleRestClientExample.java
+++ b/cadi/oauth-enduser/src/test/java/org/onap/aaf/cadi/enduser/test/SimpleRestClientExample.java
@@ -21,6 +21,7 @@
package org.onap.aaf.cadi.enduser.test;
+import java.io.PrintWriter;
import java.net.URISyntaxException;
import java.security.Principal;
@@ -29,6 +30,7 @@ import org.onap.aaf.cadi.LocatorException;
import org.onap.aaf.cadi.enduser.ClientFactory;
import org.onap.aaf.cadi.enduser.RESTException;
import org.onap.aaf.cadi.enduser.SimpleRESTClient;
+import org.onap.aaf.cadi.enduser.SimpleRESTClient.Input;
import org.onap.aaf.misc.env.APIException;
@@ -46,32 +48,93 @@ public class SimpleRestClientExample {
+ " add -Dmyurl=https://<aaf hello machine>:8130 to VM Args\n\t"
+ "where \"aaf hello machine\" is an aaf Installation you know about.");
} else {
- SimpleRESTClient restClient = cf.simpleRESTClient(urlString,"org.osaaf.aaf");
-
- // Make some calls
- // Call with no Queries
- String rv = restClient.get("resthello");
- System.out.println(rv);
-
- // Same call with "read" style
- rv = restClient.read("resthello");
- System.out.println(rv);
+ SimpleRESTClient restClient = cf.simpleRESTClient(urlString,"org.osaaf.aaf");
+
+ /////////////////////////////////////////////////////////////
+ //
+ // Creating Content for CREATE/UPDATE
+ //
+ /////////////////////////////////////////////////////////////
+ // Create an object that can be reusable IN THIS THREAD ONLY... Not Thread-safe on purpose
+ Input input = new SimpleRESTClient.Input();
+ // Note: alternate use is to set the input object to an already created String
+ // Input input = new SimpleRESTClient.Input(aString);
- // Call with Queries
- rv = restClient.get("resthello?perm=org.osaaf.people|*|read");
- System.out.println(rv);
+ PrintWriter pw = input.writer();
+ pw.print("{\"something\": [");
+ for(int i=0;i<4;++i) {
+ if(i>0) {
+ pw.print(',');
+ }
+ pw.print("{\"myint\":");
+ pw.print(i);
+ pw.print('}');
+ }
+ pw.println("]}");
- // Call setting ID from principal coming from Trans
- // Pretend Transaction
- HRequest req = new HRequest("demo@people.osaaf.org"); // Pretend Trans has Jonathan as Identity
+ // You can check or log the content
+ String content = input.toString();
+ System.out.println(content);
- // Call with RESTException, which allows obtaining HTTPCode and any Error message sent
- rv = restClient.endUser(req.userPrincipal()).get("resthello?perm=org.osaaf.people|*|read");
- System.out.println(rv);
+ // Good form for Writers is that you should close it...
+ pw.close();
+
+ /////////////////////////////////////////////////////////////
+ //
+ // CREATE/POST
+ //
+ /////////////////////////////////////////////////////////////
+ System.out.println("-------- START REST CREATE/UPDATE --------");
+ try {
+ restClient.create("resthello/rest_id", input);
+ // No Error code, it worked.
+ System.out.println("No Error Code, Create worked...");
+ } catch (RESTException e) {
+ System.out.println(e.getCode());
+ System.out.println(e.getMsg());
+ } finally {
+ System.out.println("-------- END REST CREATE/UPDATE --------");
+ }
+
+ /////////////////////////////////////////////////////////////
+ //
+ // READ/GET
+ //
+ /////////////////////////////////////////////////////////////
+
+ // Make some calls. Note that RESTException is thrown if Call does not complete.
+ // RESTException has HTTP Code and any Message sent from Server
+ System.out.println("-------- START REST READ/GET --------");
+ boolean expectException = false;
try {
+
+ // Call with no Queries
+ String rv = restClient.get("resthello/rest_id");
+ System.out.println(rv);
+
+ // Same call with "read" style
+ rv = restClient.read("resthello/rest_id");
+ System.out.println(rv);
+
+
+ // Call with Queries
+ rv = restClient.get("resthello/rest_id?perm=org.osaaf.people|*|read");
+ System.out.println(rv);
+
+ // Call setting ID from principal coming from Trans
+ // Pretend Transaction
+ HRequest req = new HRequest("demo@people.osaaf.org"); // Pretend Trans has Jonathan as Identity
+
+ // Call with RESTException, which allows obtaining HTTPCode and any Error message sent
+ rv = restClient.endUser(req.userPrincipal()).get("resthello/rest_id?perm=org.osaaf.people|*|read");
+ System.out.println(rv);
+
+ // Expect Exception here.
+ System.out.println("-------- START Expecting Exception starting here --------");
+ expectException = true;
restClient.get("notAnAPI");
} catch(RESTException e) {
System.out.println(e.getCode());
@@ -79,10 +142,57 @@ public class SimpleRestClientExample {
System.out.println(e.getMessage());
System.out.println(e.getLocalizedMessage());
System.out.println(e);
+ } finally {
+ if(expectException) {
+ System.out.println("-------- END Expecting Exception starting here --------");
+ }
+ System.out.println("-------- END REST READ/GET --------");
}
+ /////////////////////////////////////////////////////////////
+ //
+ // UPDATE/PUT
+ //
+ /////////////////////////////////////////////////////////////
+
+
+ // If you use "input" object again as a writer, you can clear it on the same thread, and go again
+ input.clear();
+ // Here we just set to a String, instead of Writing
+ input.set("{\"something\" : []}");
+
+ System.out.println("-------- END REST UPDATE/PUT --------");
+ try {
+ String rv = restClient.update("resthello/rest_id", input);
+ // No Error code, it worked. REST Update will return the updated Data
+ System.out.println("Update worked");
+ System.out.println(rv);
+ } catch (RESTException e) {
+ System.out.println(e.getCode());
+ System.out.println(e.getMsg());
+ } finally {
+ System.out.println("-------- END REST UPDATE/PUT --------");
+ }
+
+ /////////////////////////////////////////////////////////////
+ //
+ // DELETE
+ //
+ /////////////////////////////////////////////////////////////
+
+ System.out.println("-------- START REST DELETE --------");
+ try {
+ restClient.delete("resthello/rest_id");
+ // No Error code, it worked. REST Update will return the updated Data
+ System.out.println("Delete worked");
+ } catch (RESTException e) {
+ System.out.println(e.getCode());
+ System.out.println(e.getMsg());
+ } finally {
+ System.out.println("-------- END REST DELETE --------");
+ }
}
- } catch (CadiException | APIException | RESTException e) {
+ } catch (CadiException | APIException e) {
e.printStackTrace();
}
}