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 *     bstefanescu
018 */
019package org.nuxeo.ecm.automation.core.impl.adapters;
020
021import org.nuxeo.ecm.automation.OperationContext;
022import org.nuxeo.ecm.automation.TypeAdaptException;
023import org.nuxeo.ecm.automation.TypeAdapter;
024import org.nuxeo.ecm.automation.core.scripting.Scripting;
025import org.nuxeo.ecm.core.api.DocumentModel;
026import org.nuxeo.ecm.core.api.DocumentRef;
027import org.nuxeo.ecm.core.api.IdRef;
028import org.nuxeo.ecm.core.api.NuxeoException;
029import org.nuxeo.ecm.core.api.PathRef;
030
031/**
032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
033 */
034public class StringToDocModel implements TypeAdapter {
035
036    @Override
037    public DocumentModel getAdaptedValue(OperationContext ctx, Object objectToAdapt) throws TypeAdaptException {
038        try {
039            String value = (String) objectToAdapt;
040            if (value.startsWith(".")) {
041                Object obj = Scripting.newExpression("Document.resolvePathAsRef(\"" + value + "\")").eval(ctx);
042                if (obj instanceof DocumentModel) {
043                    return (DocumentModel) obj;
044                } else if (obj instanceof DocumentRef) {
045                    return ctx.getCoreSession().getDocument((DocumentRef) obj);
046                }
047                throw new TypeAdaptException(
048                        String.format("Cannot adapt value '%s' to a DocumentModel instance", value));
049
050            }
051            return ctx.getCoreSession().getDocument(createRef(value));
052        } catch (TypeAdaptException e) {
053            throw e;
054        } catch (NuxeoException e) {
055            throw new TypeAdaptException(e);
056        }
057    }
058
059    public static DocumentRef createRef(String value) {
060        return value.startsWith("/") ? new PathRef(value) : new IdRef(value);
061    }
062
063}