001/*
002 * (C) Copyright 2006-2012 Nuxeo SA (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 *     Bogdan Stefanescu
018 *     Florent Guillaume
019 *     Nicolas Chapurlat <nchapurlat@nuxeo.com>
020 */
021package org.nuxeo.ecm.core.schema.types;
022
023import java.util.HashSet;
024import java.util.Set;
025
026import org.nuxeo.ecm.core.schema.SchemaNames;
027import org.nuxeo.ecm.core.schema.types.constraints.Constraint;
028import org.nuxeo.ecm.core.schema.types.constraints.TypeConstraint;
029import org.nuxeo.ecm.core.schema.types.resolver.ObjectResolver;
030
031/**
032 * Primitive type (basic types like long, string, boolean, etc.).
033 */
034public abstract class PrimitiveType extends AbstractType implements SimpleType {
035
036    private static final long serialVersionUID = -2698475002119528248L;
037
038    protected PrimitiveType(String name) {
039        super(null, SchemaNames.BUILTIN, name);
040    }
041
042    @Override
043    public abstract boolean validate(Object object);
044
045    @Override
046    public ObjectResolver getObjectResolver() {
047        return null;
048    }
049
050    @Override
051    public Type getSuperType() {
052        return null;
053    }
054
055    @Override
056    public Type[] getTypeHierarchy() {
057        return EMPTY_SUPERTYPES;
058    }
059
060    // FIXME: IType doesn't have an isPrimitive method.
061    @Override
062    public boolean isPrimitive() {
063        return true;
064    }
065
066    @Override
067    public boolean isSimpleType() {
068        return true;
069    }
070
071    @Override
072    public PrimitiveType getPrimitiveType() {
073        return this;
074    }
075
076    /**
077     * @return true if this primitive types supports this constraints, false otherwise.
078     * @since 7.1
079     */
080    public abstract boolean support(Class<? extends Constraint> constraint);
081
082    @Override
083    public Set<Constraint> getConstraints() {
084        Set<Constraint> constraints = new HashSet<Constraint>();
085        constraints.add(new TypeConstraint(this));
086        return constraints;
087    }
088
089}