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.api.impl;
023
024import java.io.Serializable;
025import java.util.ArrayList;
026import java.util.Collection;
027import java.util.HashMap;
028import java.util.Map;
029
030import org.nuxeo.ecm.core.api.DataModel;
031import org.nuxeo.ecm.core.api.PropertyException;
032import org.nuxeo.ecm.core.api.model.DocumentPart;
033import org.nuxeo.ecm.core.api.model.Property;
034import org.nuxeo.ecm.core.api.model.PropertyNotFoundException;
035import org.nuxeo.ecm.core.api.model.impl.AbstractProperty;
036import org.nuxeo.ecm.core.api.model.impl.DocumentPartImpl;
037import org.nuxeo.ecm.core.schema.SchemaManager;
038import org.nuxeo.ecm.core.schema.types.Schema;
039import org.nuxeo.runtime.api.Framework;
040
041/**
042 * Data model implementation.
043 *
044 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
045 */
046public class DataModelImpl implements DataModel {
047
048    private static final long serialVersionUID = 1L;
049
050    private final DocumentPart dp;
051
052    /**
053     * Builds an empty data model.
054     *
055     * @param schema a schema name.
056     */
057    public DataModelImpl(String schema) {
058        this(schema, new HashMap<String, Object>());
059    }
060
061    /**
062     * Builds a data model using the given data.
063     *
064     * @param schema a schema name.
065     * @param data the data (map String&gt;Object) to put in the DataModel.
066     */
067    public DataModelImpl(String schemaName, Map<String, Object> data) {
068        assert data != null;
069        SchemaManager schemaManager = Framework.getService(SchemaManager.class);
070        Schema schema = schemaManager.getSchema(schemaName);
071        dp = new DocumentPartImpl(schema);
072        if (!data.isEmpty()) {
073            dp.init((Serializable) data);
074        }
075    }
076
077    public DataModelImpl(DocumentPart part) {
078        assert part != null;
079        dp = part;
080    }
081
082    /**
083     * Gets the underlying document part.
084     */
085    public DocumentPart getDocumentPart() {
086        return dp;
087    }
088
089    @Override
090    public String getSchema() {
091        return dp.getSchema().getName();
092    }
093
094    @Override
095    public Object getData(String key) throws PropertyException {
096        return dp.getValue(key);
097    }
098
099    @Override
100    public void setData(String key, Object value) throws PropertyException {
101        dp.setValue(key, value);
102    }
103
104    @Override
105    @SuppressWarnings("unchecked")
106    public Map<String, Object> getMap() throws PropertyException {
107        return (Map<String, Object>) dp.getValue();
108    }
109
110    @Override
111    public void setMap(Map<String, Object> data) throws PropertyException {
112        dp.setValue(data);
113    }
114
115    @Override
116    public boolean isDirty() {
117        return dp.isDirty();
118    }
119
120    @Override
121    public boolean isDirty(String name) throws PropertyNotFoundException {
122        return dp.get(name).isDirty();
123    }
124
125    @Override
126    public Collection<String> getDirtyFields() {
127        Collection<String> dirtyFields = new ArrayList<String>();
128        for (Property prop : dp.getChildren()) {
129            if (prop.isDirty()) {
130                dirtyFields.add(prop.getName());
131            }
132        }
133        return dirtyFields;
134    }
135
136    @Override
137    public String toString() {
138        return getClass().getSimpleName() + '(' + getSchema() + (dp.isDirty() ? "*" : "") + ')';
139    }
140
141    @Override
142    public void setDirty(String name) throws PropertyNotFoundException {
143        ((AbstractProperty) dp.get(name)).setIsModified();
144    }
145
146    @Override
147    public Object getValue(String path) throws PropertyException {
148        return dp.getValue(path);
149    }
150
151    @Override
152    public Object setValue(String path, Object value) throws PropertyException {
153        Property prop = dp.resolvePath(path);
154        Object oldValue = prop.getValue();
155        prop.setValue(value);
156        return oldValue;
157    }
158
159}