001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Florent Guillaume 018 */ 019 020package org.nuxeo.ecm.directory.memory; 021 022import org.nuxeo.ecm.core.query.QueryParseException; 023import org.nuxeo.ecm.core.query.sql.model.Reference; 024import org.nuxeo.ecm.core.schema.SchemaManager; 025import org.nuxeo.ecm.core.schema.types.Field; 026import org.nuxeo.ecm.core.schema.types.Schema; 027import org.nuxeo.ecm.core.schema.types.primitives.BooleanType; 028import org.nuxeo.ecm.directory.Directory; 029import org.nuxeo.runtime.api.Framework; 030 031/** 032 * Evaluates an expression on a memory directory entry. 033 * 034 * @since 10.3 035 */ 036public class MemoryDirectoryExpressionEvaluator extends MapExpressionEvaluator { 037 038 protected final String directoryName; 039 040 protected final Schema schema; 041 042 public MemoryDirectoryExpressionEvaluator(Directory directory) { 043 directoryName = directory.getName(); 044 schema = Framework.getService(SchemaManager.class).getSchema(directory.getSchema()); 045 } 046 047 @Override 048 protected QueryParseException unknownProperty(String name) { 049 return new QueryParseException("No column: " + name + " for directory: " + directoryName); 050 } 051 052 @Override 053 public Object walkReference(Reference ref) { 054 if (ref.cast != null) { 055 throw new QueryParseException("Cannot use cast: " + ref); 056 } 057 String name = ref.name; 058 Field field = schema.getField(name); 059 if (field == null) { 060 throw unknownProperty(name); 061 } 062 Object value = map.get(name); 063 if (field.getType() instanceof BooleanType) { 064 value = value == null ? null : (((Boolean) value).booleanValue() ? ONE : ZERO); 065 } 066 return value; 067 } 068 069}