/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* 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 org.apache.commons.lang3.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.EnumProperty;
import org.structr.schema.Schema;
import org.structr.schema.SchemaHelper.Type;
/**
*
* @author Christian Morgner
*/
public class EnumPropertyParser extends PropertyParser {
private String enumTypeName = "";
private String enumType = "";
public EnumPropertyParser(final ErrorBuffer errorBuffer, final String className, final String propertyName, final String dbName, final String rawSource, final String defaultValue) {
super(errorBuffer, className, propertyName, dbName, rawSource, defaultValue);
}
@Override
public String getPropertyType() {
return EnumProperty.class.getSimpleName();
}
@Override
public String getValueType() {
return enumTypeName;
}
@Override
public String getPropertyParameters() {
return enumType;
}
@Override
public Type getKey() {
return Type.Enum;
}
@Override
public void parseFormatString(final Schema entity, String expression) throws FrameworkException {
final String[] enumTypes = expression.split("[, ]+");
if (StringUtils.isNotBlank(expression) && enumTypes.length > 0) {
enumTypeName = StringUtils.capitalize(propertyName);
// create enum type
enumType = ", " + enumTypeName + ".class";
// build enum type definition
final StringBuilder buf = new StringBuilder();
buf.append("\n\tpublic enum ").append(enumTypeName).append(" {\n\t\t");
for (int i=0; i<enumTypes.length; i++) {
final String element = enumTypes[i];
if (element.matches("[a-zA-Z_]+")) {
buf.append(element);
// comma separation
if (i < enumTypes.length-1) {
buf.append(", ");
}
} else {
errorBuffer.add(SchemaNode.class.getSimpleName(), new InvalidPropertySchemaToken(expression, "invalid_property_definition", "Invalid enum type name, must match [a-zA-Z_]+."));
}
}
buf.append("\n\t};");
enumDefinitions.add(buf.toString());
} else {
errorBuffer.add(SchemaNode.class.getSimpleName(), new InvalidPropertySchemaToken(expression, "invalid_property_definition", "No enum types found, please specify a list of types, e.g. (red, green, blue)"));
}
}
@Override
public String getDefaultValueSource() {
return enumTypeName.concat(".").concat(defaultValue);
}
}