001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.services;
021
022import java.lang.reflect.InvocationTargetException;
023import java.lang.reflect.Method;
024
025import org.apache.isis.core.commons.exceptions.IsisException;
026
027public final class ServiceUtil {
028
029    private ServiceUtil() {
030    }
031
032    public static String id(final Object object) {
033        final Class<?> cls = object.getClass();
034        try {
035            final Method m = cls.getMethod("getId", new Class[0]);
036            return (String) m.invoke(object, new Object[0]);
037        } catch (final SecurityException e) {
038            throw new IsisException(e);
039        } catch (final NoSuchMethodException e) {
040            final String id = object.getClass().getName();
041            return id.substring(id.lastIndexOf('.') + 1);
042        } catch (final IllegalArgumentException e) {
043            throw new IsisException(e);
044        } catch (final IllegalAccessException e) {
045            throw new IsisException(e);
046        } catch (final InvocationTargetException e) {
047            throw new IsisException(e);
048        }
049    }
050}