Platform hardening for common bundle

[appc.git] / appc-common / src / main / java / org / onap / appc / util / StreamHelper.java

diff --git a/appc-common/src/main/java/org/onap/appc/util/StreamHelper.java b/appc-common/src/main/java/org/onap/appc/util/StreamHelper.java
new file mode 100644 (file)
index 0000000..4f95106
--- /dev/null
+++ b/appc-common/src/main/java/org/onap/appc/util/StreamHelper.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+
+package org.onap.appc.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+
+public class StreamHelper {
+
+    /**
+     * private default constructor prevents instantiation
+     */
+    private StreamHelper() {
+    }
+
+    /**
+     * @param inputStream
+     * @return Input stream converted to string
+     */
+    public static String getStringFromInputStream(InputStream inputStream) {
+        StringBuffer buffer = new StringBuffer();
+        byte[] array = new byte[4096];
+
+        if (inputStream != null) {
+            try {
+                int len = inputStream.read(array);
+                while (len != -1) {
+                    buffer.append(new String(array, 0, len, Charset.forName("UTF-8")));
+                    len = inputStream.read(array);
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return buffer.toString();
+    }
+
+}