/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.schema.parser;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.structr.common.error.ErrorBuffer;
import org.structr.common.error.FrameworkException;
import org.structr.common.error.InvalidPropertySchemaToken;
import org.structr.core.entity.SchemaNode;
import org.structr.core.property.CollectionNotionProperty;
import org.structr.core.property.EntityNotionProperty;
import org.structr.schema.Schema;
import org.structr.schema.SchemaHelper.Type;
/**
*
*
*/
public class NotionPropertyParser extends PropertySourceGenerator {
private final Set<String> properties = new LinkedHashSet<>();
private boolean isPropertySet = false;
private boolean isAutocreate = false;
private String parameters = "";
private String propertyType = null;
private String relatedType = null;
private String baseProperty = null;
private String multiplicity = null;
public NotionPropertyParser(final ErrorBuffer errorBuffer, final String className, final PropertyDefinition params) {
super(errorBuffer, className, params);
}
@Override
public String getPropertyType() {
return propertyType;
}
@Override
public String getValueType() {
return relatedType;
}
@Override
public String getUnqualifiedValueType() {
return relatedType;
}
@Override
public String getPropertyParameters() {
return parameters;
}
@Override
public Type getKey() {
return Type.Notion;
}
@Override
public void parseFormatString(final Schema entity, String expression) throws FrameworkException {
if (StringUtils.isBlank(expression)) {
//reportError(new InvalidPropertySchemaToken(SchemaNode.class.getSimpleName(), expression, "invalid_property_definition", "Empty notion property expression."));
throw new FrameworkException(422, "Empty notion property expression", new InvalidPropertySchemaToken(SchemaNode.class.getSimpleName(), expression, "invalid_property_definition", "Empty notion property expression."));
}
final StringBuilder buf = new StringBuilder();
final String[] parts = expression.split("[, ]+");
if (parts.length > 0) {
boolean isBuiltinProperty = false;
baseProperty = parts[0];
multiplicity = entity.getMultiplicity(baseProperty);
if (multiplicity != null) {
// determine related type from relationship
relatedType = entity.getRelatedType(baseProperty);
switch (multiplicity) {
case "1X":
// this line exists because when a NotionProperty is set up for a builtin propery
// (like for example "owner", there must not be the string "Property" appended
// to the property name, and the SchemaNode returns the above "extended" multiplicity
// string when it has detected a fallback property name like "owner" from NodeInterface.
isBuiltinProperty = true; // no break!
case "1":
propertyType = EntityNotionProperty.class.getSimpleName();
break;
case "*X":
// this line exists because when a NotionProperty is set up for a builtin propery
// (like for example "owner", there must not be the string "Property" appended
// to the property name, and the SchemaNode returns the above "extended" multiplicity
// string when it has detected a fallback property name like "owner" from NodeInterface.
isBuiltinProperty = true; // no break!
case "*":
propertyType = CollectionNotionProperty.class.getSimpleName();
break;
default:
break;
}
buf.append(", ");
buf.append(entity.getClassName());
buf.append(".");
buf.append(baseProperty);
// append "Property" only if it is NOT a builtin property!
if (!isBuiltinProperty) {
buf.append("Property");
}
buf.append(",");
final boolean isBoolean = (parts.length == 3 && ("true".equals(parts[2].toLowerCase())));
isAutocreate = isBoolean;
// use PropertyNotion when only a single element is given
if (parts.length == 2 || isBoolean) {
buf.append(" new PropertyNotion(");
isPropertySet = false;
} else {
buf.append(" new PropertySetNotion(");
isPropertySet = true;
}
for (int i=1; i<parts.length; i++) {
String propertyName = parts[i];
String fullPropertyName = propertyName;
// remove prefix from full property name
if (fullPropertyName.startsWith("_")) {
fullPropertyName = fullPropertyName.substring(1) + "Property";
}
if (!"true".equals(propertyName.toLowerCase()) && !propertyName.contains(".")) {
buf.append(relatedType);
buf.append(".");
fullPropertyName = relatedType + "." + fullPropertyName;
}
properties.add(fullPropertyName);
if (propertyName.startsWith("_")) {
propertyName = propertyName.substring(1) + "Property";
}
buf.append(propertyName);
if (i < parts.length-1) {
buf.append(", ");
}
}
buf.append(")");
} else {
throw new FrameworkException(422, "Invalid notion property expression.", new InvalidPropertySchemaToken(SchemaNode.class.getSimpleName(), expression, "invalid_property_definition", "Invalid notion property expression."));
//reportError(new InvalidPropertySchemaToken(SchemaNode.class.getSimpleName(), expression, "invalid_property_definition", "Invalid notion property expression."));
}
}
parameters = buf.toString();
}
public boolean isPropertySet() {
return isPropertySet;
}
public Set<String> getProperties() {
return properties;
}
public boolean isAutocreate() {
return isAutocreate;
}
public String getBaseProperty() {
return baseProperty;
}
public String getMultiplicity() {
return multiplicity;
}
}