| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.core.edm; |
| |
| import org.apache.olingo.odata2.api.edm.Edm; |
| import org.apache.olingo.odata2.api.edm.EdmException; |
| import org.apache.olingo.odata2.api.edm.EdmFacets; |
| import org.apache.olingo.odata2.api.edm.EdmLiteralKind; |
| import org.apache.olingo.odata2.api.edm.EdmSimpleType; |
| import org.apache.olingo.odata2.api.edm.EdmSimpleTypeException; |
| import org.apache.olingo.odata2.api.edm.EdmTypeKind; |
| |
| /** |
| * Abstract implementation of the EDM simple-type interface. |
| * |
| */ |
| public abstract class AbstractSimpleType implements EdmSimpleType { |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return this == obj || (obj != null && getClass() == obj.getClass()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return getClass().hashCode(); |
| } |
| |
| @Override |
| public String getNamespace() throws EdmException { |
| return EDM_NAMESPACE; |
| } |
| |
| @Override |
| public EdmTypeKind getKind() { |
| return EdmTypeKind.SIMPLE; |
| } |
| |
| @Override |
| public String getName() throws EdmException { |
| final String name = getClass().getSimpleName(); |
| return name.startsWith(EDM_NAMESPACE) ? name.substring(3) : name; |
| } |
| |
| @Override |
| public boolean isCompatible(final EdmSimpleType simpleType) { |
| return equals(simpleType); |
| } |
| |
| @Override |
| public boolean validate(final String value, final EdmLiteralKind literalKind, final EdmFacets facets) { |
| try { |
| valueOfString(value, literalKind, facets, getDefaultType()); |
| return true; |
| } catch (final EdmSimpleTypeException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public final <T> T valueOfString(final String value, final EdmLiteralKind literalKind, final EdmFacets facets, |
| final Class<T> returnType) throws EdmSimpleTypeException { |
| if (value == null) { |
| if (facets == null || facets.isNullable() == null || facets.isNullable()) { |
| return null; |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_NULL_NOT_ALLOWED); |
| } |
| } |
| |
| if (literalKind == null) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_KIND_MISSING); |
| } |
| |
| return internalValueOfString(value, literalKind, facets, returnType); |
| } |
| |
| protected abstract <T> T internalValueOfString(String value, EdmLiteralKind literalKind, EdmFacets facets, |
| Class<T> returnType) throws EdmSimpleTypeException; |
| |
| @Override |
| public final String valueToString(final Object value, final EdmLiteralKind literalKind, final EdmFacets facets) |
| throws EdmSimpleTypeException { |
| if (value == null) { |
| if (facets == null || facets.isNullable() == null || facets.isNullable()) { |
| return null; |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_NULL_NOT_ALLOWED); |
| } |
| } |
| |
| if (literalKind == null) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_KIND_MISSING); |
| } |
| |
| final String result = internalValueToString(value, literalKind, facets); |
| return literalKind == EdmLiteralKind.URI ? toUriLiteral(result) : result; |
| } |
| |
| protected abstract <T> String internalValueToString(T value, EdmLiteralKind literalKind, EdmFacets facets) |
| throws EdmSimpleTypeException; |
| |
| @Override |
| public String toUriLiteral(final String literal) throws EdmSimpleTypeException { |
| return literal; |
| } |
| |
| @Override |
| public String toString() { |
| try { |
| return getNamespace() + Edm.DELIMITER + getName(); |
| } catch (final EdmException e) { |
| return super.toString(); |
| } |
| } |
| } |