org.soulwing.credo.service.request.EditCredentialRequestServiceBean.java Source code

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Here is the source code for org.soulwing.credo.service.request.EditCredentialRequestServiceBean.java

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/*
 * File created on Apr 13, 2014 
 *
 * Copyright (c) 2014 Virginia Polytechnic Institute and State University
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.soulwing.credo.service.request;

import javax.ejb.ConcurrencyManagement;
import javax.ejb.ConcurrencyManagementType;
import javax.ejb.Singleton;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import javax.inject.Inject;

import org.apache.commons.lang.Validate;
import org.soulwing.credo.CredentialRequest;
import org.soulwing.credo.repository.CredentialRequestRepository;
import org.soulwing.credo.service.Errors;
import org.soulwing.credo.service.GroupAccessException;
import org.soulwing.credo.service.MergeConflictException;
import org.soulwing.credo.service.PassphraseException;
import org.soulwing.credo.service.credential.NoSuchCredentialException;

/**
 * A {@link EditCredentialRequestService} implemented as a simple bean.
 *
 * @author Carl Harris
 */
@Singleton
@ConcurrencyManagement(ConcurrencyManagementType.BEAN)
public class EditCredentialRequestServiceBean implements EditCredentialRequestService {

    @Inject
    protected CredentialRequestRepository requestRepository;

    @Inject
    protected CredentialRequestEditorFactory editorFactory;

    /**
     * {@inheritDoc}
     */
    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public CredentialRequestEditor editRequest(Long id) throws NoSuchCredentialException {

        CredentialRequest request = requestRepository.findById(id);
        if (request == null) {
            throw new NoSuchCredentialException();
        }

        return editorFactory.newEditor(request);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @TransactionAttribute(TransactionAttributeType.REQUIRED)
    public void saveRequest(CredentialRequestEditor editor, Errors errors) throws CredentialRequestException,
            NoSuchCredentialException, GroupAccessException, PassphraseException, MergeConflictException {

        Validate.isTrue(editor instanceof SaveableRequestEditor);
        ((SaveableRequestEditor) editor).save(errors);
    }

}