diff options
author | Arthur Martella <amartell@research.att.com> | 2017-09-08 13:27:46 -0400 |
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committer | Arthur Martella <amartell@research.att.com> | 2017-09-08 13:32:24 -0400 |
commit | 62cd6aaaf74aa91ee0037c0e155c8e7284f07567 (patch) | |
tree | 68c0c53c9156f5aa3c6b3599ac940770f986633d /bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java | |
parent | fa1a211d28a912892fcd888569df033900eb01ee (diff) |
1710 Rebase - Second Attempt
This commit rebases changes from openecomp-mso/internal-staging-1710 up to and including this codecloud commit:
54483fc6606ddb1591a2e9da61bff8712325f924
Wed Sep 6 18:12:56 2017 -0400
Rebasing was done on a branch on top of this commit in so/master in ONAP:
93fbdfbe46104f8859d4754040f979cb7997c157
Thu Sep 7 16:42:59 2017 +0000
Change-Id: I4ad9abf40da32bf5bdca43e868b8fa2dbcd9dc59
Issue-id: SO-107
Signed-off-by: Arthur Martella <amartell@research.att.com>
Diffstat (limited to 'bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java')
-rw-r--r-- | bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java b/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java new file mode 100644 index 0000000000..56ce2dfa19 --- /dev/null +++ b/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/jsonpath/JsonPathUtil.java @@ -0,0 +1,39 @@ +package org.openecomp.mso.jsonpath; + +import java.util.Optional; + +import com.jayway.jsonpath.Configuration; +import com.jayway.jsonpath.JsonPath; +import com.jayway.jsonpath.Option; + +import net.minidev.json.JSONArray; + +public class JsonPathUtil { + + + private final Configuration conf; + + private JsonPathUtil() { + conf = Configuration.defaultConfiguration().addOptions(Option.ALWAYS_RETURN_LIST, Option.SUPPRESS_EXCEPTIONS); + } + + private static class Helper { + private static final JsonPathUtil INSTANCE = new JsonPathUtil(); + } + + public static JsonPathUtil getInstance() { + return Helper.INSTANCE; + } + public boolean pathExists(String json, String jsonPath) { + return !JsonPath.using(conf).parse(json).<JSONArray>read(jsonPath).isEmpty(); + } + + public <T> Optional<T> locateResult(String json, String jsonPath) { + final JSONArray result = JsonPath.using(conf).parse(json).read(jsonPath); + if (result.isEmpty()) { + return Optional.empty(); + } else { + return Optional.of((T)result.get(0)); + } + } +} |