Remove redundant class HttpHeader

The functionality of HttpHeader already exists
in org.apache.http.message.BasicHeader.  This change
removes the HttpHeader class and replaces its uses with
BasicHeader.

Change-Id: I828aa7d94a1968dffd928d4ca719f0beff1a0f4b
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

2 files changed, 14 insertions, 78 deletions

diff --git a/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/APIResponse.java b/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/APIResponse.java
index ea9ca62bf5..e4eee6d695 100644
--- a/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/APIResponse.java
+++ b/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/APIResponse.java
@@ -7,9 +7,9 @@
  * Licensed 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.
@@ -25,18 +25,19 @@ import java.util.Arrays;
 
 import org.apache.http.Header;
 import org.apache.http.HttpResponse;
+import org.apache.http.message.BasicHeader;
 import org.apache.http.util.EntityUtils;
 
 /**
  * An immutable class that encapsulates an API response.
- * 
+ *
  * @version 1.0
  * @since 1.0
  */
 public class APIResponse {
     private final int statusCode;
     private final byte[] responseBody;
-    private final HttpHeader[] headers;
+    private final BasicHeader[] headers;
 
     /**
      * Internal method used to create http headers using the specified
@@ -45,17 +46,17 @@ public class APIResponse {
      * @param httpResponse used to create headers
      * @return http headers
      */
-    private static HttpHeader[] buildHeaders(final HttpResponse httpResponse) {
+    private static BasicHeader[] buildHeaders(final HttpResponse httpResponse) {
         final Header[] headers = httpResponse.getAllHeaders();
 
-        HttpHeader[] httpHeaders = new HttpHeader[headers.length];
+        BasicHeader[] httpHeaders = new BasicHeader[headers.length];
         for (int i = 0; i < headers.length; ++i) {
             final Header header = headers[i];
             final String name = header.getName();
-            final String value = header.getValue(); 
-            final HttpHeader httpHeader = new HttpHeader(name, value);
+            final String value = header.getValue();
+            final BasicHeader httpHeader = new BasicHeader(name, value);
             httpHeaders[i] = httpHeader;
-        } 
+        }
 
         return httpHeaders;
     }
@@ -89,7 +90,7 @@ public class APIResponse {
     /**
      * Gets the http status code returned by the api server.
      * <p>
-     * For example, status code 200 represents 'OK.' 
+     * For example, status code 200 represents 'OK.'
      *
      * @return status code
      */
@@ -127,15 +128,15 @@ public class APIResponse {
     /**
      * Gets a list of all the headers returned by the API response.
      *
-     * @return an array of all the HttpHeaders 
+     * @return an array of all the BasicHeaders
      */
-    public HttpHeader[] getAllHeaders() {
+    public BasicHeader[] getAllHeaders() {
         // avoid exposing internals, create copy
         return Arrays.copyOf(this.headers, this.headers.length);
     }
 
     public String getFirstHeader(String name) {
-        for (HttpHeader header : headers) {
+        for (BasicHeader header : headers) {
             if (header.getName().equals(name)) {
                 return header.getValue();
             }
diff --git a/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/HttpHeader.java b/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/HttpHeader.java
deleted file mode 100644
index e0d6c3056d..0000000000
--- a/bpmn/MSORESTClient/src/main/java/org/openecomp/mso/rest/HttpHeader.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * OPENECOMP - MSO
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed 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.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.mso.rest;
-
-/**
- * An immutable class used to wrap an http header.
- *
- * @version 1.0
- * @since 1.0
- */
-public class HttpHeader {
-    private final String name;
-    private final String value;
-
-    /**
-     * Create an http header using the specified name and value
-     *
-     * @param name name of http header
-     * @param value value of http header
-     */
-    public HttpHeader(final String name, final String value) {
-        if (name == null) {
-            throw new IllegalArgumentException("Name may not be null.");
-        }
-
-        this.name = name;
-        this.value = value;
-    }
-
-    /**
-     * Gets the header name.
-     * 
-     * @return header name
-     */
-    public String getName() {
-        return this.name;
-    }
-
-    /**
-     * Gets the header value.
-     * 
-     * @return header value 
-     */
-    public String getValue() {
-        return this.value;
-    }
-}