core refactor change (#887)

Signed-off-by: Hailong Cui <ihailong@amazon.com>

Author: Hailong-am

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/ActionMetaData.kt

@@ -5,7 +5,7 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/ManagedIndexMetaData.kt

@@ -5,7 +5,6 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable
@@ -57,7 +56,7 @@ data class ManagedIndexMetaData(
         if (actionMetaData != null) resultMap[ActionMetaData.ACTION] = actionMetaData.getMapValueString()
         if (stepMetaData != null) resultMap[StepMetaData.STEP] = stepMetaData.getMapValueString()
         if (policyRetryInfo != null) resultMap[PolicyRetryInfoMetaData.RETRY_INFO] = policyRetryInfo.getMapValueString()
-        if (info != null) resultMap[INFO] = Strings.toString(XContentFactory.jsonBuilder().map(info))
+        if (info != null) resultMap[INFO] = XContentFactory.jsonBuilder().map(info).toString()
 
         return resultMap
     }

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/PolicyRetryInfoMetaData.kt

@@ -5,7 +5,7 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/StateMetaData.kt

@@ -5,7 +5,7 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/StepMetaData.kt

@@ -5,7 +5,7 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable

spi/src/main/kotlin/org.opensearch.indexmanagement.spi/indexstatemanagement/model/ValidationResult.kt

@@ -5,7 +5,7 @@
 
 package org.opensearch.indexmanagement.spi.indexstatemanagement.model
 
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.core.common.io.stream.StreamInput
 import org.opensearch.core.common.io.stream.StreamOutput
 import org.opensearch.core.common.io.stream.Writeable

src/main/kotlin/org/opensearch/indexmanagement/indexstatemanagement/ISMTemplateService.kt

@@ -7,7 +7,7 @@ package org.opensearch.indexmanagement.indexstatemanagement
 
 import org.apache.lucene.util.automaton.Operations
 import org.opensearch.OpenSearchException
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.common.ValidationException
 import org.opensearch.common.regex.Regex
 import org.opensearch.indexmanagement.indexstatemanagement.model.ISMTemplate

src/main/kotlin/org/opensearch/indexmanagement/snapshotmanagement/SMUtils.kt

@@ -17,7 +17,7 @@ import org.opensearch.action.get.GetResponse
 import org.opensearch.action.index.IndexRequest
 import org.opensearch.action.index.IndexResponse
 import org.opensearch.client.Client
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.common.time.DateFormatter
 import org.opensearch.common.unit.TimeValue
 import org.opensearch.common.xcontent.LoggingDeprecationHandler

src/test/kotlin/org/opensearch/indexmanagement/IndexManagementRestTestCase.kt

@@ -17,7 +17,7 @@ import org.opensearch.client.RestClient
 import org.opensearch.client.RequestOptions
 import org.opensearch.client.WarningsHandler
 import org.opensearch.client.ResponseException
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.common.io.PathUtils
 import org.opensearch.common.settings.Settings
 import org.opensearch.core.xcontent.DeprecationHandler

src/test/kotlin/org/opensearch/indexmanagement/SecurityRestTestCase.kt

@@ -19,7 +19,7 @@ import org.opensearch.client.Request
 import org.opensearch.client.Response
 import org.opensearch.client.ResponseException
 import org.opensearch.client.RestClient
-import org.opensearch.common.Strings
+import org.opensearch.core.common.Strings
 import org.opensearch.common.settings.Settings
 import org.opensearch.common.xcontent.XContentType
 import org.opensearch.indexmanagement.indexstatemanagement.IndexStateManagementRestTestCase