diff options
Diffstat (limited to 'utils/src')
3 files changed, 34 insertions, 3 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java index c4375968..d94ddca4 100644 --- a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java +++ b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java @@ -34,7 +34,12 @@ public class StandardYamlCoder extends StandardCoder { * Constructs the object. */ public StandardYamlCoder() { - translator = new YamlJsonTranslator(gson); + translator = new YamlJsonTranslator(gson) { + @Override + protected <T> T convertFromDouble(Class<T> clazz, T value) { + return StandardYamlCoder.this.convertFromDouble(clazz, value); + } + }; } @Override diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/YamlJsonTranslator.java b/utils/src/main/java/org/onap/policy/common/utils/coder/YamlJsonTranslator.java index 906c9fdd..7d61e63f 100644 --- a/utils/src/main/java/org/onap/policy/common/utils/coder/YamlJsonTranslator.java +++ b/utils/src/main/java/org/onap/policy/common/utils/coder/YamlJsonTranslator.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * ONAP * ================================================================================ - * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -50,6 +50,11 @@ import org.yaml.snakeyaml.serializer.Serializer; /** * YAML-JSON translator. The methods may throw either of the runtime exceptions, * YAMLException or JsonSyntaxException. + * <p/> + * Note: if the invoker wishes Double to be converted to Integer/Long when type + * Object.class is requested, then a Gson object must be used that will perform the + * translation. In addition, the {@link #convertFromDouble(Class, Object)} method should + * be overridden with an appropriate conversion method. */ public class YamlJsonTranslator { @@ -147,7 +152,22 @@ public class YamlJsonTranslator { * @return a POJO representing the original element */ protected <T> T fromJson(JsonElement jel, Class<T> clazz) { - return gson.fromJson(jel, clazz); + return convertFromDouble(clazz, gson.fromJson(jel, clazz)); + } + + /** + * Converts a value from Double to Integer/Long, walking the value's contents if it's + * a List/Map. Only applies if the specified class refers to the Object class. + * Otherwise, it leaves the value unchanged. + * <p/> + * The default method simply returns the original value. + * + * @param clazz class of object to be decoded + * @param value value to be converted + * @return the converted value + */ + protected <T> T convertFromDouble(Class<T> clazz, T value) { + return value; } /** diff --git a/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java index c770cd3b..cadeb055 100644 --- a/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java +++ b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java @@ -97,6 +97,12 @@ public class StandardYamlCoderTest { } @Test + public void testFromJsonDoubleToInteger() throws Exception { + Object value = coder.decode("20", Object.class); + assertEquals(Integer.valueOf(20), value); + } + + @Test public void testStandardTypeAdapter() throws Exception { String yaml = "abc: def\n"; StandardCoderObject sco = coder.fromJson(yaml, StandardCoderObject.class); |