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-rw-r--r--common/src/main/java/org/onap/so/client/AddCacheHeaders.java28
-rw-r--r--common/src/main/java/org/onap/so/client/CacheFactory.java25
-rw-r--r--common/src/main/java/org/onap/so/client/CacheProperties.java13
-rw-r--r--common/src/main/java/org/onap/so/client/RestClient.java14
-rw-r--r--common/src/main/java/org/onap/so/client/RestClientSSL.java4
-rw-r--r--common/src/main/java/org/onap/so/client/RestProperties.java8
6 files changed, 88 insertions, 4 deletions
diff --git a/common/src/main/java/org/onap/so/client/AddCacheHeaders.java b/common/src/main/java/org/onap/so/client/AddCacheHeaders.java
new file mode 100644
index 0000000000..1a41be1233
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/AddCacheHeaders.java
@@ -0,0 +1,28 @@
+package org.onap.so.client;
+
+import java.io.IOException;
+import java.util.Collections;
+import javax.annotation.Priority;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientResponseContext;
+import javax.ws.rs.client.ClientResponseFilter;
+import javax.ws.rs.ext.Provider;
+
+@Provider
+@Priority(1)
+public class AddCacheHeaders implements ClientResponseFilter {
+
+ private final CacheProperties props;
+
+ public AddCacheHeaders(CacheProperties props) {
+ this.props = props;
+ }
+
+ public void filter(ClientRequestContext request, ClientResponseContext response) throws IOException {
+ if (request.getMethod().equalsIgnoreCase("GET")) {
+ response.getHeaders().putIfAbsent("Cache-Control",
+ Collections.singletonList("public, max-age=" + (props.getMaxAge() / 1000)));
+ }
+
+ }
+}
diff --git a/common/src/main/java/org/onap/so/client/CacheFactory.java b/common/src/main/java/org/onap/so/client/CacheFactory.java
new file mode 100644
index 0000000000..6bc4858463
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/CacheFactory.java
@@ -0,0 +1,25 @@
+package org.onap.so.client;
+
+
+import java.util.concurrent.TimeUnit;
+import javax.cache.configuration.Factory;
+import javax.cache.expiry.Duration;
+import javax.cache.expiry.ExpiryPolicy;
+import javax.cache.expiry.TouchedExpiryPolicy;
+
+public class CacheFactory implements Factory<ExpiryPolicy> {
+
+ private static final long serialVersionUID = 8948728679233836929L;
+
+ private final CacheProperties props;
+
+ public CacheFactory(CacheProperties props) {
+ this.props = props;
+ }
+
+ @Override
+ public ExpiryPolicy create() {
+ return TouchedExpiryPolicy.factoryOf(new Duration(TimeUnit.MILLISECONDS, props.getMaxAge())).create();
+ }
+
+}
diff --git a/common/src/main/java/org/onap/so/client/CacheProperties.java b/common/src/main/java/org/onap/so/client/CacheProperties.java
new file mode 100644
index 0000000000..4fb2a87a5b
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/CacheProperties.java
@@ -0,0 +1,13 @@
+package org.onap.so.client;
+
+public interface CacheProperties {
+
+
+ default Long getMaxAge() {
+ return 60000L;
+ }
+
+ default String getCacheName() {
+ return "default-http-cache";
+ }
+}
diff --git a/common/src/main/java/org/onap/so/client/RestClient.java b/common/src/main/java/org/onap/so/client/RestClient.java
index 9fce328b1d..be0a0f3f9e 100644
--- a/common/src/main/java/org/onap/so/client/RestClient.java
+++ b/common/src/main/java/org/onap/so/client/RestClient.java
@@ -188,8 +188,20 @@ public abstract class RestClient {
return APPLICATION_MERGE_PATCH_JSON;
}
+ protected ClientBuilder getClientBuilder() {
+ ClientBuilder builder = ClientBuilder.newBuilder();
+ if (props.isCachingEnabled()) {
+ enableCaching(builder);
+ }
+ return builder.readTimeout(props.getReadTimeout(), TimeUnit.MILLISECONDS);
+ }
+
+ protected ClientBuilder enableCaching(ClientBuilder builder) {
+ return builder;
+ }
+
protected Client getClient() {
- return ClientBuilder.newBuilder().readTimeout(props.getReadTimeout(), TimeUnit.MILLISECONDS).build();
+ return getClientBuilder().build();
}
protected abstract ONAPComponentsList getTargetEntity();
diff --git a/common/src/main/java/org/onap/so/client/RestClientSSL.java b/common/src/main/java/org/onap/so/client/RestClientSSL.java
index 8956e20a5a..c6252e4652 100644
--- a/common/src/main/java/org/onap/so/client/RestClientSSL.java
+++ b/common/src/main/java/org/onap/so/client/RestClientSSL.java
@@ -24,7 +24,6 @@ import java.net.URI;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.util.Optional;
-import java.util.concurrent.TimeUnit;
import javax.net.ssl.SSLContext;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
@@ -57,8 +56,7 @@ public abstract class RestClientSSL extends RestClient {
}
}
// Use default SSL context
- client = ClientBuilder.newBuilder().sslContext(SSLContext.getDefault())
- .readTimeout(props.getReadTimeout(), TimeUnit.MILLISECONDS).build();
+ client = getClientBuilder().sslContext(SSLContext.getDefault()).build();
logger.info("RestClientSSL using default SSL context!");
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
diff --git a/common/src/main/java/org/onap/so/client/RestProperties.java b/common/src/main/java/org/onap/so/client/RestProperties.java
index 36da424f93..a7a0ef614c 100644
--- a/common/src/main/java/org/onap/so/client/RestProperties.java
+++ b/common/src/main/java/org/onap/so/client/RestProperties.java
@@ -49,4 +49,12 @@ public interface RestProperties {
public default Long getReadTimeout() {
return Long.valueOf(60000);
}
+
+ public default boolean isCachingEnabled() {
+ return false;
+ }
+
+ public default CacheProperties getCacheProperties() {
+ return new CacheProperties() {};
+ }
}