Add support for TOSCA JSON Parsing

Added a getter to allow the Gson object to be retrieved from a GSON
message body handler, useful for testing.

Moved the TextFileUtils utility class from APEX utilites to policy common
utils

Issue-ID: POLICY-1195
Change-Id: I7c8074e8177a90b292c6dfd6e7f0d352063818e7
Signed-off-by: liamfallon <liam.fallon@est.tech>

1 files changed, 53 insertions, 0 deletions

diff --git a/utils/src/test/java/org/onap/policy/common/utils/resources/TextFileUtilsTest.java b/utils/src/test/java/org/onap/policy/common/utils/resources/TextFileUtilsTest.java
new file mode 100644
index 00000000..7f246ab2
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/resources/TextFileUtilsTest.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.resources;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import org.junit.Test;
+
+/**
+ * Test text file utilities.
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public class TextFileUtilsTest {
+
+    private static final String FILE_CONTENT = "This is the contents of a text file";
+
+    @Test
+    public void test() throws IOException {
+        final File tempTextFile = File.createTempFile("Test", "txt");
+
+        TextFileUtils.putStringAsTextFile(FILE_CONTENT, tempTextFile.getAbsolutePath());
+
+        final String textFileString0 = TextFileUtils.getTextFileAsString(tempTextFile.getAbsolutePath());
+        assertEquals(FILE_CONTENT, textFileString0);
+
+        final FileInputStream fis = new FileInputStream(tempTextFile);
+        final String textFileString1 = TextFileUtils.getStreamAsString(fis);
+        assertEquals(textFileString0, textFileString1);
+
+    }
+}