diff options
Diffstat (limited to 'applications/common')
2 files changed, 67 insertions, 0 deletions
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java index e19130d3..e6824378 100644 --- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java +++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtils.java @@ -24,6 +24,7 @@ package org.onap.policy.pdp.xacml.application.common; import com.att.research.xacml.api.Identifier; import com.att.research.xacml.api.XACML3; +import java.util.Map; import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType; @@ -35,6 +36,10 @@ import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObjectFactory; import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableReferenceType; import org.apache.commons.lang3.StringUtils; +import org.onap.policy.common.parameters.BeanValidationResult; +import org.onap.policy.common.parameters.BeanValidator; +import org.onap.policy.common.utils.coder.CoderException; +import org.onap.policy.common.utils.coder.StandardCoder; /** * This class contains static methods of helper classes to convert TOSCA policies @@ -45,6 +50,7 @@ import org.apache.commons.lang3.StringUtils; */ public final class ToscaPolicyTranslatorUtils { private static final ObjectFactory factory = new ObjectFactory(); + private static final StandardCoder CODER = new StandardCoder(); private ToscaPolicyTranslatorUtils() { super(); @@ -240,4 +246,34 @@ public final class ToscaPolicyTranslatorUtils { newCondition.setExpression(factory.createApply(applyFunction)); return newCondition; } + + /** + * Decodes TOSCA Policy properties into a particular type and validates the result. + * + * @param <T> desired type + * @param properties properties to be decoded + * @param clazz desired class + * @return the decoded properties + * @throws ToscaPolicyConversionException if the properties cannot be decoded or are + * invalid + */ + public static <T> T decodeProperties(Map<String, Object> properties, Class<T> clazz) + throws ToscaPolicyConversionException { + + if (properties == null) { + throw new ToscaPolicyConversionException( + "Cannot decode " + clazz.getSimpleName() + " from null properties"); + } + + try { + T data = CODER.convert(properties, clazz); + BeanValidationResult result = new BeanValidator().validateTop("properties", data); + if (!result.isValid()) { + throw new ToscaPolicyConversionException(result.getResult()); + } + return data; + } catch (CoderException e) { + throw new ToscaPolicyConversionException("Cannot decode " + clazz.getSimpleName() + " from properties", e); + } + } } diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java index 99627f67..e684cde4 100644 --- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java +++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyTranslatorUtilsTest.java @@ -23,11 +23,14 @@ package org.onap.policy.pdp.xacml.application.common; import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; import static org.junit.Assert.assertTrue; import com.att.research.xacml.api.XACML3; import java.lang.reflect.Constructor; import java.lang.reflect.Modifier; +import java.util.Map; +import lombok.Getter; import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType; @@ -39,6 +42,8 @@ import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObjectFactory; import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType; import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableReferenceType; import org.junit.Test; +import org.onap.policy.common.parameters.annotations.NotNull; +import org.onap.policy.common.utils.coder.CoderException; public class ToscaPolicyTranslatorUtilsTest { private static final ObjectFactory factory = new ObjectFactory(); @@ -110,4 +115,30 @@ public class ToscaPolicyTranslatorUtilsTest { assertThat(((ApplyType) obj).getFunctionId()).isEqualTo(XACML3.ID_FUNCTION_AND.stringValue()); assertThat(((ApplyType) obj).getExpression()).hasSize(2); } + + @Test + public void testDecodeProperties() throws ToscaPolicyConversionException { + Data data = ToscaPolicyTranslatorUtils.decodeProperties(Map.of("value", 20), Data.class); + assertThat(data.getValue()).isEqualTo(20); + + // null value - invalid + assertThatThrownBy(() -> ToscaPolicyTranslatorUtils.decodeProperties(Map.of(), Data.class)) + .isInstanceOf(ToscaPolicyConversionException.class).hasMessageContaining("item \"value\""); + + // value is not an integer - cannot even decode it + assertThatThrownBy(() -> ToscaPolicyTranslatorUtils.decodeProperties(Map.of("value", "abc"), Data.class)) + .isInstanceOf(ToscaPolicyConversionException.class).getCause() + .isInstanceOf(CoderException.class); + + // null properties - cannot even decode + assertThatThrownBy(() -> ToscaPolicyTranslatorUtils.decodeProperties(null, Data.class)) + .isInstanceOf(ToscaPolicyConversionException.class) + .hasMessage("Cannot decode Data from null properties"); + } + + @Getter + @NotNull + public static class Data { + private Integer value; + } } |