add escape and unescape json to SliStringUtils

Add escape and unescape json to SliStringUtils. Can be useful when creating payloads from escaped json or sending payloads that involved escaped json.

Change-Id: I736024ef91b5e6fff75374802b0fee2370f12b2f
Issue-ID: CCSDK-1353
Signed-off-by: Smokowski, Kevin (ks6305) <kevin.smokowski@att.com>

2 files changed, 58 insertions, 0 deletions

diff --git a/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtils.java b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtils.java
index 574178e3..888ef883 100644
--- a/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtils.java
+++ b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtils.java
@@ -437,4 +437,42 @@ public class SliStringUtils implements SvcLogicJavaPlugin {
 		source = StringEscapeUtils.escapeXml(source);
 		ctx.setAttribute(target, source);
 	}
+
+	/**
+	* unescapeJsonString takes an escaped json string stored as a single property in context memory and unescapes it storing it as a single property
+	* @param parameters - requires source and outputPath to not be null.
+	* @param ctx Reference to context memory
+	* @throws SvcLogicException if a required parameter is missing an exception is thrown
+	*/
+    public static void unescapeJsonString(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
+	SliPluginUtils.checkParameters(parameters, new String[] { INPUT_PARAM_SOURCE, INPUT_PARAM_TARGET }, LOG);
+	try {
+	    String source = parameters.get(INPUT_PARAM_SOURCE);
+	    String target = parameters.get(INPUT_PARAM_TARGET);
+	    String unescapedJson = StringEscapeUtils.unescapeJson(source);
+	    ctx.setAttribute(target, unescapedJson);
+	} catch (Exception ex) {
+	    ex.printStackTrace();
+	    throw new SvcLogicException("problem with unescapeJsonString", ex);
+	}
+    }
+
+	/**
+	* escapeJsonString takes json stored as a single string in context memory and escapes it storing it as a single property
+	* @param parameters - requires source and outputPath to not be null.
+	* @param ctx Reference to context memory
+	* @throws SvcLogicException if a required parameter is missing an exception is thrown
+	*/
+    public static void escapeJsonString(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
+	SliPluginUtils.checkParameters(parameters, new String[] { INPUT_PARAM_SOURCE, INPUT_PARAM_TARGET }, LOG);
+	try {
+	    String source = parameters.get(INPUT_PARAM_SOURCE);
+	    String target = parameters.get(INPUT_PARAM_TARGET);
+	    String unescapedJson = StringEscapeUtils.escapeJson(source);
+	    ctx.setAttribute(target, unescapedJson);
+	} catch (Exception ex) {
+	    ex.printStackTrace();
+	    throw new SvcLogicException("problem with escapeJsonString", ex);
+	}
+    }
 }
diff --git a/sliPluginUtils/provider/src/test/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtilsTest.java b/sliPluginUtils/provider/src/test/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtilsTest.java
index 085d46ef..b88e8d2c 100644
--- a/sliPluginUtils/provider/src/test/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtilsTest.java
+++ b/sliPluginUtils/provider/src/test/java/org/onap/ccsdk/sli/core/slipluginutils/SliStringUtilsTest.java
@@ -297,4 +297,24 @@ public class SliStringUtilsTest {
 		utils.substring(param, ctx);
 	}
 
+	@Test
+	public void testUnescapeJsonString() throws Exception {
+		String source = "{\\\"image_name\\\":\\\"Ubuntu 14.04\\\",\\\"service-instance-id\\\":\\\"1\\\",\\\"vnf-model-customization-uuid\\\":\\\"2f\\\",\\\"vnf-id\\\":\\\"3b\\\"}";
+		param.put(SliStringUtils.INPUT_PARAM_SOURCE, source);
+		String outputPath = "unescaped";
+		param.put(SliStringUtils.INPUT_PARAM_TARGET, outputPath);
+		SliStringUtils.unescapeJsonString(param, ctx);
+		assertEquals("{\"image_name\":\"Ubuntu 14.04\",\"service-instance-id\":\"1\",\"vnf-model-customization-uuid\":\"2f\",\"vnf-id\":\"3b\"}", ctx.getAttribute(outputPath));
+	}
+
+	@Test
+	public void testEscapeJsonString() throws Exception {
+		String source = "{\"image_name\":\"Ubuntu 14.04\",\"service-instance-id\":\"1\",\"vnf-model-customization-uuid\":\"2f\",\"vnf-id\":\"3b\"}";
+		param.put(SliStringUtils.INPUT_PARAM_SOURCE, source);
+		String outputPath = "unescaped";
+		param.put(SliStringUtils.INPUT_PARAM_TARGET, outputPath);
+		SliStringUtils.escapeJsonString(param, ctx);
+		assertEquals("{\\\"image_name\\\":\\\"Ubuntu 14.04\\\",\\\"service-instance-id\\\":\\\"1\\\",\\\"vnf-model-customization-uuid\\\":\\\"2f\\\",\\\"vnf-id\\\":\\\"3b\\\"}", ctx.getAttribute(outputPath));
+	}
+
 }