001/*
002 * (C) Copyright 2006-2011 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 *     Nuxeo - initial API and implementation
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.core.schema.types;
023
024import java.io.InputStream;
025import java.util.Calendar;
026import java.util.Date;
027import java.util.Hashtable;
028import java.util.List;
029import java.util.Map;
030
031import org.nuxeo.ecm.core.schema.types.primitives.BinaryType;
032import org.nuxeo.ecm.core.schema.types.primitives.BooleanType;
033import org.nuxeo.ecm.core.schema.types.primitives.DateType;
034import org.nuxeo.ecm.core.schema.types.primitives.DoubleType;
035import org.nuxeo.ecm.core.schema.types.primitives.IntegerType;
036import org.nuxeo.ecm.core.schema.types.primitives.LongType;
037import org.nuxeo.ecm.core.schema.types.primitives.StringType;
038
039/**
040 * Maps ECM types to Java classes.
041 *
042 * @author bstefanescu
043 */
044public final class JavaTypes {
045
046    private static final Map<Class<?>, Type> class2Types = new Hashtable<Class<?>, Type>();
047
048    private static final Map<Type, Class<?>> types2Class = new Hashtable<Type, Class<?>>();
049
050    // Utility class.
051    private JavaTypes() {
052    }
053
054    public static boolean isList(Object object) {
055        return object instanceof List;
056    }
057
058    public static boolean isComplex(Object object) {
059        return object instanceof Map;
060    }
061
062    public static Type getType(Class<?> klass) {
063        return class2Types.get(klass);
064    }
065
066    public static Class<?> getClass(Type type) {
067        if (type.isSimpleType() && !((SimpleType) type).isPrimitive()) {
068            return getClass(((SimpleType) type).getPrimitiveType());
069        }
070        return types2Class.get(type);
071    }
072
073    public static Class<?> getPrimitiveClass(Type type) {
074        Class<?> k = types2Class.get(type);
075        if (k == Long.class) {
076            return Long.TYPE;
077        } else if (k == Integer.class) {
078            return Integer.TYPE;
079        } else if (k == Double.class) {
080            return Double.TYPE;
081        } else if (k == Float.class) {
082            return Float.TYPE;
083        } else if (k == Short.class) {
084            return Short.TYPE;
085        } else if (k == Byte.class) {
086            return Byte.TYPE;
087        } else if (k == Character.class) {
088            return Character.TYPE;
089        }
090        return k;
091    }
092
093    public static void bind(Type type, Class<?> klass) {
094        class2Types.put(klass, type);
095        types2Class.put(type, klass);
096    }
097
098    static {
099        bind(StringType.INSTANCE, String.class);
100        bind(LongType.INSTANCE, Long.class);
101        bind(IntegerType.INSTANCE, Integer.class);
102        bind(DoubleType.INSTANCE, Double.class);
103        bind(BooleanType.INSTANCE, Boolean.class);
104        bind(BinaryType.INSTANCE, InputStream.class);
105        bind(DateType.INSTANCE, Date.class);
106        bind(DateType.INSTANCE, Calendar.class);
107
108        // bind(typeService.getTypeManager().getType("content"), Blob.class);
109        // bind(typeService.getTypeManager().getType("content"), List.class);
110        // bind(CompType.INSTANCE, Blob.class);
111    }
112
113}