General sonar fixes

+) remove unused imports
++) use isEmpty to check empty list

Issue-ID: CLI-170
Change-Id: I90cc07013b8db1982fdca2ccd2f4d715d8176e9d
Signed-off-by: arindamm <arind.mondal@samsung.com>

3 files changed, 1 insertions, 5 deletions

diff --git a/framework/src/main/java/org/onap/cli/fw/cmd/OnapCommand.java b/framework/src/main/java/org/onap/cli/fw/cmd/OnapCommand.java
index dbd24630..b814ba82 100644
--- a/framework/src/main/java/org/onap/cli/fw/cmd/OnapCommand.java
+++ b/framework/src/main/java/org/onap/cli/fw/cmd/OnapCommand.java
@@ -179,6 +179,7 @@ public abstract class OnapCommand {
         try {
             return new ObjectMapper().writeValueAsString(args);
         } catch (JsonProcessingException e) {
+            log.error("exception occured {}", e.getMessage());
             return "{}";
         }
     }
diff --git a/framework/src/main/java/org/onap/cli/fw/cmd/schema/OnapSchemaValidateCommand.java b/framework/src/main/java/org/onap/cli/fw/cmd/schema/OnapSchemaValidateCommand.java
index 71267ec3..f6ace6d5 100644
--- a/framework/src/main/java/org/onap/cli/fw/cmd/schema/OnapSchemaValidateCommand.java
+++ b/framework/src/main/java/org/onap/cli/fw/cmd/schema/OnapSchemaValidateCommand.java
@@ -16,10 +16,8 @@
 
 package org.onap.cli.fw.cmd.schema;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-
 import org.onap.cli.fw.cmd.OnapCommand;
 import org.onap.cli.fw.conf.OnapCommandConstants;
 import org.onap.cli.fw.error.OnapCommandException;
diff --git a/framework/src/main/java/org/onap/cli/fw/output/OnapCommandResult.java b/framework/src/main/java/org/onap/cli/fw/output/OnapCommandResult.java
index ca0f04e7..bbe33594 100644
--- a/framework/src/main/java/org/onap/cli/fw/output/OnapCommandResult.java
+++ b/framework/src/main/java/org/onap/cli/fw/output/OnapCommandResult.java
@@ -20,14 +20,11 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-
 import org.onap.cli.fw.conf.OnapCommandConstants;
 import org.onap.cli.fw.error.OnapCommandException;
 import org.onap.cli.fw.error.OnapCommandOutputFormatNotsupported;
 import org.onap.cli.fw.error.OnapCommandOutputPrintingFailed;
-import org.onap.cli.fw.input.OnapCommandParameterType;
 import org.onap.cli.fw.output.print.OnapCommandPrint;
-import org.onap.cli.fw.utils.OnapCommandUtils;
 
 /**
  * Oclip Command result holds the final output of the command.