| /* |
| * 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.server.core.uri; |
| |
| import java.util.List; |
| |
| import org.apache.olingo.commons.api.data.Entity; |
| import org.apache.olingo.commons.api.edm.EdmEntitySet; |
| import org.apache.olingo.commons.api.edm.EdmEntityType; |
| import org.apache.olingo.commons.api.edm.EdmPrimitiveType; |
| import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeException; |
| import org.apache.olingo.commons.api.edm.EdmProperty; |
| import org.apache.olingo.commons.api.edm.EdmStructuredType; |
| import org.apache.olingo.commons.core.Encoder; |
| import org.apache.olingo.server.api.serializer.SerializerException; |
| import org.apache.olingo.server.api.uri.UriHelper; |
| import org.apache.olingo.server.api.uri.UriParameter; |
| import org.apache.olingo.server.api.uri.queryoption.ExpandOption; |
| import org.apache.olingo.server.api.uri.queryoption.SelectOption; |
| import org.apache.olingo.server.core.serializer.utils.ContextURLHelper; |
| |
| public class UriHelperImpl implements UriHelper { |
| |
| @Override |
| public String buildContextURLSelectList(final EdmStructuredType type, |
| final ExpandOption expand, final SelectOption select) throws SerializerException { |
| return ContextURLHelper.buildSelectList(type, expand, select); |
| } |
| |
| @Override |
| public String buildContextURLKeyPredicate(final List<UriParameter> keys) throws SerializerException { |
| return ContextURLHelper.buildKeyPredicate(keys); |
| } |
| |
| @Override |
| public String buildCanonicalURL(final EdmEntitySet edmEntitySet, final Entity entity) throws SerializerException { |
| StringBuilder result = new StringBuilder(edmEntitySet.getName()); |
| result.append('('); |
| final EdmEntityType entityType = edmEntitySet.getEntityType(); |
| final List<String> keyNames = entityType.getKeyPredicateNames(); |
| boolean first = true; |
| for (final String keyName : keyNames) { |
| if (first) { |
| first = false; |
| } else { |
| result.append(','); |
| } |
| if (keyNames.size() > 1) { |
| result.append(Encoder.encode(keyName)).append('='); |
| } |
| final EdmProperty edmProperty = entityType.getStructuralProperty(keyName); |
| final EdmPrimitiveType type = (EdmPrimitiveType) edmProperty.getType(); |
| final Object propertyValue = entity.getProperty(keyName).getValue(); |
| try { |
| final String value = type.toUriLiteral( |
| type.valueToString(propertyValue, |
| edmProperty.isNullable(), edmProperty.getMaxLength(), |
| edmProperty.getPrecision(), edmProperty.getScale(), edmProperty.isUnicode())); |
| result.append(Encoder.encode(value)); |
| } catch (final EdmPrimitiveTypeException e) { |
| throw new SerializerException("Wrong key value!", |
| SerializerException.MessageKeys.WRONG_PROPERTY_VALUE, edmProperty.getName(), propertyValue.toString()); |
| } |
| } |
| result.append(')'); |
| return result.toString(); |
| } |
| } |